JP6744592B2 - Optical system - Google Patents

Description

The present invention relates to an optical system that can be used to guide a person to a predetermined position using an illuminating and displayable optical device.

Conventionally, a technique of displaying a space where a car is not parked in a parking lot has been proposed (Patent Document 1).

JP, 2009-174246, A

However, the technique described in Patent Document 1 could not know the empty space at the time of entering the parking lot.

The present invention provides an optical system capable of accurately grasping information by illuminating or displaying target position information and guidance information up to the target position.

An optical system according to the present invention which achieves the above object,
An entry detection unit that detects entry of an object into a predetermined area determined in advance,
A position detection unit that detects a specified position for arranging the object,
An optical device that is installed in the illuminating light and emits illumination light that illuminates at least the periphery of the illumination light ,
After the entry detector detects the entry of the object into the predetermined area, the optical device is irradiated with guide information for guiding the object to the designated position detected by the position detector. A system control unit that
Equipped with
The optical device is
A light emitting unit that emits coherent light,
A receiver for receiving a signal from the system controller,
At least a first diffusion element region including a set of element diffusion elements in which predetermined information is recorded and a second diffusion element including a set of element diffusion elements in which information different from the first diffusion element region is recorded. A diffusion portion having a diffusion element divided into regions,
A scanning unit that reflects the light emitted from the light emitting unit and scans the light so as to include at least one of the first diffusion element region and the second diffusion element region;
A control unit that drives the scanning unit according to a signal received by the receiving unit;
Have
By irradiating the first diffusing element region and the second diffusing element region with one optical device, it is possible to irradiate the illumination light and the guide information different from the illumination light to a plurality of different designated positions. <br/> It is characterized.

An optical system according to the present invention which achieves the above object,
An entry detection unit that detects entry of an object into a predetermined area determined in advance,
A position detection unit that detects a specified position for arranging the object,
An optical device that is installed in the illuminating light and emits illumination light that illuminates at least the periphery of the illumination light ,
After the entry detector detects the entry of the object into the predetermined area, the optical device is irradiated with guide information for guiding the object to the designated position detected by the position detector. A system control unit that
Equipped with
The optical device is
A light emitting unit that emits coherent light,
A receiver for receiving a signal from the system controller,
At least a first diffusion element region including a set of element diffusion elements in which predetermined information is recorded and a second diffusion element including a set of element diffusion elements in which information different from the first diffusion element region is recorded. A diffusion portion having a diffusion element divided into regions,
A scanning unit that movably supports the diffusion unit so that light emitted from the light emitting unit scans at least one of the first diffusion element region and the second diffusion element region;
A control unit that drives the scanning unit according to a signal received by the receiving unit;
Have
By irradiating the first diffusing element region and the second diffusing element region with one optical device, it is possible to irradiate the illumination light and the guide information different from the illumination light to a plurality of different designated positions. <br/> It is characterized.

Further, the optical system according to the present invention,
When the object is placed at the specified position, a system storage unit that stores the relationship between the object and the specified position,
A data reading unit for reading data of the object,
Equipped with
The system control unit acquires the relationship between the object read by the data reading unit and the designated position from the system storage unit, and causes the optical device to irradiate the guidance information up to the designated position. And

Further, in the optical system according to the present invention,
The system control unit may cause the specified position to be illuminated with illumination light as the guide information.

Further, in the optical system according to the present invention,
The system control unit may cause the optical device to irradiate an arrow as the guide information on the way to the designated position.

Further, in the optical system according to the present invention,
The guide information is illuminated in color.

Further, in the optical system according to the present invention,
The area is a parking lot,
The entry detection unit is an entry detection unit that detects entry of a vehicle,
The position detection unit is a parking detection unit that detects the designated position where the vehicle can be parked.

Further, the optical system according to the present invention,
A ticket issuing section for issuing a parking ticket when entering the vehicle,
A data writing unit that writes the data of the specified position detected by the parking detection unit to the parking ticket before the ticket is issued;
It is characterized by including.

According to the optical system of the present invention, the information can be accurately grasped by illuminating or displaying the target position information and the guide information to the target position.

The initial state of the optical system of this embodiment is shown. The system diagram of the optical system of this embodiment is shown. An example of the flow chart at the time of entry of the optical system of the present embodiment is shown. An example of the operating state of the optical system of the present embodiment when entering the vehicle is shown. An example of the flowchart at the time of leaving of the optical system of this embodiment is shown. An example of the operation state of the optical system of the present embodiment when leaving the vehicle is shown. An example of using the optical system of the present embodiment in an indoor warehouse will be shown. The system diagram of the optical device of this embodiment is shown. It is a side view in the 1st state of the irradiation part of the optical device of a 1st embodiment. It is a side view in the 2nd state of the irradiation part of the optical device of a 1st embodiment. 6 is another example of the optical device of the first embodiment. It is a side view in the 1st state of the irradiation part of the optical device of a 2nd embodiment. It is a front view in the 1st state of the irradiation part of the optical device of a 2nd embodiment. It is a front view in the 2nd state of the irradiation part of the optical device of a 2nd embodiment.

An optical system according to the present invention will be described below with reference to the drawings.

FIG. 1 shows an initial state of the optical system of this embodiment.

The optical system 100 according to the present embodiment will be described as an example where it is installed in a parking lot. The parking lot may be a commonly used facility. For example, as shown in FIG. 1, an entry gate 91 that passes when entering a vehicle, an exit gate 92 that passes when exiting, and a settlement machine 93 that settles a charge before leaving the vehicle are provided. The parking lot may be indoors.

The optical system 100 of the present embodiment illuminates the illumination light 11 from the irradiation unit 10 of the illumination lamp L optical device 1 into the parking lot at night in a normal initial state. For example, the illumination lamp L may irradiate only the minimum illumination light 11 at night when there is no moving body. The irradiation position may be around the illumination lamp L.

FIG. 2 shows a system diagram of the optical system of the present embodiment.

The optical system 100 includes a vehicle entry detection unit 51 as an entry detection unit, a parking detection unit 52 as a position detection unit, a data reading unit 53, a system control unit 70, a data writing unit 76, and a ticket issuing unit 77. And a system storage unit 60 and the optical device 1.

The entry detection unit 51 is provided at the entry gate 91 and detects that a vehicle as an object has entered the parking lot. The data writing unit 76 writes the designated position data instructed in the parking lot on the parking ticket issued by the ticket issuing unit 77 when entering the vehicle. The ticket issuing unit 77 issues a parking ticket in which the designated position data is written by the data writing unit 76. The system storage unit 60 stores the designated position data written on the parking ticket.

The parking detection unit 52 detects that the entering vehicle is parked at the designated position. It is preferable that the method of detecting that the entering vehicle is parked is monitored by a camera or the like. It is advisable to store the number when entering the vehicle and detect the parking position of the vehicle of that number. When detected, the system control unit 70 is notified of which parking position in the parking lot. The data reading unit 53 transmits the parking position data written on the parking ticket to the reading system control unit 70 when the payment is performed by the payment adjusting device 93 before leaving the vehicle.

Next, the operation of the optical system of this embodiment will be described. First, the control when entering the vehicle will be described.

FIG. 3 shows an example of a flow chart when the optical system of the present embodiment enters a vehicle. Note that in the flowchart in FIG. 3, the determination of YES is represented by “Y”, and the determination of No is represented by “N”.

First, in step 1, the system control unit 70 determines whether or not there is an entry from the entry detection unit 51 (ST1). If there is no entry, return to step 1.

When the vehicle is entered, the system control unit 70 selects and stores the designated position in step 2 before issuing a ticket (ST2). The designated position is selected from an empty space in the parking lot. After that, the system control unit 70 stores the selected designated position data in the system storage unit 60.

Next, in step 3, the system control unit 70 writes the designated position data in the parking ticket stored in the system storage unit 60 at the entry gate 91 and issues the parking ticket (ST3).

Next, in step 4, at least one optical device 1 is operated (ST4). The optical device 1 emits information for guiding the vehicle to a designated position based on the designated position data selected by the system control unit 70.

FIG. 4 shows an example of an operating state of the optical system of this embodiment when entering a vehicle.

In the optical system 100 of the present embodiment, the optical device 1 in the illuminating lamp L is operated to irradiate the irradiation unit 10 with information for guiding to the parking position based on the parking position data. For example, as illustrated in FIG. 4, the system control unit 70 causes the designated position T to be illuminated with illumination light from the optical device 1 as guidance information. Further, the system control unit 70 causes the optical device 1 to irradiate the arrow 12 on the way to the designated position T as guide information. Note that the guidance information may be illuminated not only in white light but also in color.

Next, in step 5, the system control unit 70 determines whether or not the entered vehicle is parked at the designated position T (ST5). The system control unit 70 compares the parking position detected by the parking detection unit 52 with the designated position based on the designated position data.

When the entered vehicle is not parked at the designated position T in step 5, the designated position data stored in the system storage unit 60 is erased in step 6 (ST6). Then, it progresses to step 7.

When the entered vehicle is parked at the designated position T in step 5, the operation of the optical device 1 is stopped in step 7 (ST7). That is, the irradiation of information in step 4 is stopped, the illumination light 11 in the normal initial state is emitted from the irradiation unit 10 of the illumination lamp L, and the control ends.

As described above, according to the optical system 100 of the present embodiment, by illuminating or displaying the target position information and the guidance information up to the target position, the information can be accurately grasped.

Next, the control when leaving the vehicle will be described.

FIG. 5 shows an example of a flow chart when the optical system according to the present embodiment leaves the vehicle. Note that in the flowchart in FIG. 5, the determination of YES is represented by “Y”, and the determination of No is represented by “N”.

First, in step 11, the system control unit 70 determines whether or not a parking ticket has been read from the data reading unit 53 of the settlement machine 93 (ST11). When the parking ticket is not read, the process returns to step 11.

When the parking ticket is read, the system control unit 70 confirms the designated position written in the parking ticket from the data writing unit 76 in step 12 (ST12). Next, in step 13, the system control unit 70 confirms whether or not the designated position is stored in the system storage unit 60 (ST13).

In step 13, when the designated position is not stored in the system storage unit 60, it is determined that the vehicle has not parked at the designated position when entering, and the control ends.

When the designated position is stored in the system storage unit 60 in step 13, the optical device 1 is operated and counting is started in step 14 (ST14). The optical device 1 emits information for guiding a person heading for a designated position based on the designated position data selected by the system control unit 70.

FIG. 6 shows an example of an operating state of the optical system according to the present embodiment when leaving the vehicle.

In the optical system 100 of the present embodiment, the irradiation unit 10 of the optical device 1 in the illumination lamp L is operated to irradiate information for guiding to the parking position based on the parking position data. For example, as shown in FIG. 6, the system control unit 70 causes the optical device 1 to illuminate the designated position T as guidance information. Further, the system control unit 70 causes the optical device 1 to irradiate the arrow 12 on the way to the designated position T as guide information. Note that the guidance information may be illuminated not only in white light but also in color.

Next, in step 15, the system control unit 70 determines whether the vehicle has left the designated position T (ST15). The system control unit 70 compares the position of the leaving vehicle detected by the parking detection unit 52 with the designated position based on the designated position data.

When the vehicle has not left the designated position T in step 15, it is determined in step 16 whether a predetermined time has elapsed (ST16). If the predetermined time has not elapsed in step 16, the process returns to step 15. When the predetermined time has elapsed in step 16, the process proceeds to step 17.

When the vehicle leaves the designated position T in step 15, the designated position data stored in the system storage unit 60 is erased in step 17 (ST17). Then, in step 18, the operation of the optical device 1 is stopped (ST18). That is, the irradiation of information in step 14 is stopped, the illumination light 11 in the normal initial state is emitted from the irradiation unit 10 of the illumination lamp L, and the control ends.

As described above, according to the optical system 100 of the present embodiment, by illuminating or displaying the target position information and the guidance information up to the target position, the information can be accurately grasped.

FIG. 7 shows an example in which the optical system of this embodiment is used in an indoor warehouse.

The optical system 100 of this embodiment can also be used for indoor lighting. For example, as shown in FIG. 7, it can be used for a plurality of illumination lights L installed on a ceiling C of a warehouse as a predetermined area.

In the example shown in FIG. 7, it is assumed that the person in charge M holds a card or the like that stores a shelf S at a predetermined designated position in order to store or acquire the goods in the warehouse. In this case, it is preferable to use the moving body sensor 54 as the approach detection unit instead of the entry detection unit 51 shown in FIG. In the case of this embodiment, the object is a luggage or a person carrying the luggage.

Usually, the optical system 100 emits the illumination light 11 from the irradiation unit 10 of the optical device 1. In order to save power, the illumination light 11 may be emitted when the moving body sensor 54 detects a moving body.

The person in charge M holds information such as the information on the shelf S at a predetermined designated position in the data writing unit 76 and the ticket issued by the ticket issuing unit 77 or the like.

When the data reading unit 53 shown in FIG. 2 receives a signal indicating information on the shelf S at a predetermined designated position from a card or the like and inputs the signal to the system control unit 70, the system control unit 70 preliminarily stores it in the system storage unit 60. Information on the location of the shelf S at the specified designated position is obtained. The system control unit 70 irradiates the floor F with the arrow 12 as the guide information for guiding the irradiation unit 10 of the plurality of illumination lamps L to the shelf S at the predetermined specified position, and the shelf S of the predetermined position specified at the predetermined position. Control is performed so that the irradiation unit 10 of the nearby illumination lamp L irradiates the shelf S itself at a predetermined designated position with the illumination light 13 as guide information. Note that the data reading unit 53 may configure the entry detection unit and the position detection unit.

As described above, according to the optical device 1 of the present embodiment, it becomes possible for a person to accurately grasp desired position information even indoors.

Next, a specific structure of the optical device 1 will be described.

FIG. 8 is a system diagram of the optical device of the present embodiment. FIG. 9 is a side view of the optical device of the present embodiment in the first state. FIG. 10 is a front view of the optical device of the present embodiment in the first state.

The optical device 1 of the present embodiment includes a receiving unit 5, a storage unit 6, a control unit 7, and an irradiation unit 10. The irradiation unit 10 includes a light emitting unit 2, a scanning unit 3, and a diffusion unit 4.

The light emitting unit 2 emits coherent laser light having a directivity and a predetermined wavelength. The light emitting unit 2 may be a laser array in which a plurality of elements are bundled. Further, the light emitting section 2 may be provided with laser light having a plurality of wavelengths. Further, in order to optimize the incident light incident on the scanning unit, a light uniformizing element such as a rod integrator or a fly eye integrator, or a light shaping element such as a lens or a diaphragm may be provided. There may be a function of switching the light emission timing by switching the power ON/OFF or a function of switching the light emission timing by using a shutter or the like. In addition, the light emitting unit 2 may be one that can irradiate laser light having a plurality of wavelengths. For example, the illumination light or the display light can be colored by irradiating laser light corresponding to R (red), G (green), and B (blue), respectively. In addition, you may utilize the light source which shows other peak wavelengths. For example, color notation may be performed with two or more types of non-limiting light sources.

The scanning unit 3 has a function of making light from the light emitting unit 2 incident on a predetermined position on the incident surface of the diffusion unit 4. For example, an optical member such as a mirror or a prism is mechanically rotated and vibrated, and the incident light from the light emitting unit is applied to a predetermined position of the diffusion unit 4 by using reflection or refraction. For example, a member called an optical scanner such as a MEMS (Micro Electro Mechanical System) scanner or a polygon scanner is not limited to this. The scanning unit 3 may be a member that movably supports the diffusion unit 4.

The diffusing unit 4 has a diffusing element 40, and the diffusing element 40 is an assembly of a plurality of element diffusing elements. The diffusing element 40 is, for example, a hologram. Each of the adjacent element holograms of the hologram basically has a separate irradiation region or a corresponding wavelength region of different coherent light, but some regions may overlap. Different wavefronts are formed from the respective points on the element hologram emission surface, and the wavefronts are independently overlapped in the corresponding illuminated area. Therefore, it is possible to obtain a uniform illuminance distribution in the illuminated region by making the incident surface of the element hologram incident from a plurality of positions using scanning light or a laser array light source. The shape of the irradiation region of the element hologram is a line and an arrow in this case, but is not limited to this.

The above-mentioned element hologram is produced, for example, by using a hologram photosensitive material such as a photopolymer or a silver salt material and using the scattered light from the scattering plate as object light. Laser light that is coherent light is used as the reference light. Then, when laser light is irradiated from the focal position of the reference light used for fabrication toward the hologram, the reproduced image of the scattering plate is reproduced at the arrangement position of the original scattering plate used as the object light. This reproduced image becomes the irradiation area of the element hologram. If a scattering plate in the shape of an arrow is used, the irradiation area in the shape of the arrow can be reproduced. A relief type (embossed type) hologram may be used. It is also possible to design using a computer without using actual object light or reference light. The hologram thus obtained is called a computer generated hologram (CGH). A Fourier transform hologram having the same diffusion angle characteristic at each point on the hologram may be formed by computer synthesis. Further, it may be a reflection hologram or a transmission hologram.

The advantage of providing a hologram as the diffusing element 40 is that the light energy density of the laser light can be reduced by diffusion and it can be used as a directional surface light source, so it is the same as a point light source such as a conventional lamp. That is, it is possible to reduce the light source brightness for realizing the illuminance distribution. Therefore, distant lighting can be performed more safely.

The diffusing element 40 may be various diffusing members that can be finely divided into a plurality of element diffusing regions, such as a microlens array.

The receiver 5 receives the signal from the system controller 70 and inputs it to the controller 6. The storage unit 6 stores the area of the diffusion unit 4 corresponding to the content received by the reception unit 5. The storage unit 6 may be included in the control unit 7. The control unit 7 drives the light emitting unit 2 and the scanning unit 3 according to instructions from the receiving unit 5 and the storage unit 6.

In the optical device 1 of the first embodiment, the irradiation light from the light emitting unit 2 is reflected by the mirror 31 which is one type of the scanning unit 3 and is incident on the transmission hologram 40 of the diffusing element 40. The mirror 31 is configured to be movable in the X-X' direction by being rotated about the rotation axis O by a motor (not shown) or the like. In the optical device 1 according to the first embodiment, based on the control command from the control unit 7 shown in FIG. 2, the motor is driven and the reflected light of the mirror 31 is reflected by the first hologram area 41 of the hologram 40 and the second hologram area of the hologram 40. It can be applied to any one of the hologram areas 42. Here, "rotation" means that the object rotates within a regulated angle range around a certain axis.

In the irradiation unit 10 of the optical device 1 of the first embodiment as described above, for example, in the first state shown in FIG. 9, the light emitted from the light emitting unit 2 is reflected by the mirror 31, and the first hologram area 41 is reflected. The illumination light 11 is emitted after passing through. Then, in the second state in which the mirror 31 shown in FIG. 10 is rotated, the light emitted from the light emitting unit 2 is reflected by the mirror 31, passes through the second hologram area 42, and displays the arrow 15.

With the configuration described above, it is possible to project a plurality of hologram reproduced images with one optical device 1. In the optical device 1 according to the first embodiment, the hologram reproduction image of the illumination light 11 and the arrow 15 is projected. However, for example, the hologram reproduction image of characters such as “STOP” and “BRAKE” is displayed. It is also possible to

FIG. 11 is another example of the optical device of the first embodiment.

As shown in FIG. 11, the mirror 31, which is one type of the scanning unit 3, may be configured to be rotatable with respect to the first axis 3a and the second axis 3b orthogonal to the first axis 3a. Also in this case, it is possible to project a plurality of hologram reproduction images with one optical device 1.

Next, the optical device 1 of the second embodiment will be described.

FIG. 12 is a side view of the irradiation unit of the optical device according to the second embodiment in the first state. FIG. 13 is a front view of the irradiation unit of the optical device according to the second embodiment in the first state.

The scanning unit 3 in the irradiation unit 10 of the optical device 1 according to the second embodiment includes a support rail 31 as an outer frame portion that surrounds the outer periphery of the hologram 40 as the diffusion element 40, and the hologram 40 two-dimensionally with respect to the support rail 31. And a guide rail 32 serving as a guide unit that guides the movable unit in a movable manner. Both ends of the guide rail 32 are movably supported by the support rails 31 facing each other, and each side of the hologram 40 is movably supported with respect to each guide rail 32. That is, although the position of the incident light from the light emitting unit 2 does not change, the position of the hologram 40 itself allows the incident light to selectively enter a predetermined position of the hologram 40.

For example, in the first state, the fifth hologram area 45 of the diffusing element 4 is illuminated from the light emitting unit 2 and the illumination light 11 is illuminated in a predetermined direction.

Next, the operation of the optical device 1 according to the second embodiment will be described.

FIG. 14 is a front view of the optical device according to the second embodiment in the second state.

To move from the first state in which the light emitted from the light emitting unit 2 illustrated in FIG. 13 is applied to the fifth hologram area 45 to the second state in which the light is emitted to the sixth hologram area 46 illustrated in FIG. First, a switching signal is input to the control unit 7 from the detection unit 5 shown in FIG. The control unit 7 acquires from the storage unit 6 the area of the hologram 40 corresponding to the input content from the detection unit 5. After that, the control unit 7 drives the scanning unit 3 so that the region of the hologram 40 acquired from the storage unit 6 is irradiated with the light emitting unit 2.

For example, in the second embodiment, the signal of the place of the destination is input from the detection unit 5 to the control unit 7. The control unit 7 acquires the signal stored in the storage unit 6 that the area displaying the arrow is the sixth hologram area 46. Then, the control unit 7 drives the scanning unit 3 so that the sixth hologram region 46 of the hologram 40 is illuminated by the light emitting unit 2.

As described above, according to the optical device 1 of the present embodiment, it is possible to switch the projection content quickly and accurately according to the change of the state. In addition, it is possible to accurately illuminate a predetermined position.

As described above, according to the optical system 100 of the present embodiment, the entrance detection unit 51 that detects the entrance of the target object into the predetermined area and the position detection unit that detects the designated position T for disposing the target object. 52, the optical device 1 for irradiating at least one of the illumination light and the display light, and the position detection unit 52 after the entrance detection unit 51 detects the entrance of the target object into a predetermined area. Since the system control unit 70 that irradiates the optical device 1 with the guide information for guiding the object to the detected designated position is provided, by illuminating or displaying the designated position information and the guidance information up to the designated position T, It is possible to quickly find the designated position T.

Further, according to the optical system 100 of the present embodiment, when the object is placed at the designated position T, the system storage unit 60 that stores the relationship between the object and the designated position T, and the data that reads the data of the object. The reading unit 53 is provided, and the system control unit 70 acquires the relationship between the object read by the data reading unit 53 and the designated position T from the system storage unit 60, and provides the guide information up to the designated position T with the optical device 1. Since the irradiation is performed from, it is possible to quickly find the object placed at the designated position T.

Further, according to the optical system 100 of the present embodiment, as the guide information, the illumination light is emitted from the optical device 1 to the designated position T, so that the designated position T or the object arranged at the designated position T can be accurately grasped. It becomes possible.

Further, according to the optical system 100 of the present embodiment, as the guide information, an arrow is emitted from the optical device on the way to the designated position, so that the designated position T or the object arranged at the designated position T is accurately identified. Can be grasped by.

Further, according to the optical system 100 of the present embodiment, since the guide information is illuminated in color, it is possible to more accurately grasp the designated position T or the object arranged at the designated position T.

Further, according to the optical system 100 of the present embodiment, the area is the parking lot, the entry detection unit 51 is the entry detection unit 51 that detects entry of the vehicle, and the position detection unit 52 is the vehicle. Since it is the parking detection unit 52 that detects the designated position where parking is possible, it becomes possible to accurately grasp the designated position T of the parking lot.

Further, according to the optical system 100 of the present embodiment, a ticket issuing unit 77 that issues a parking ticket when entering the vehicle, and a data document that writes data of the designated position T detected by the parking detection unit 52 to the parking ticket before the ticket is issued. Since the insertion portion 76 is provided, it is possible to accurately grasp the vehicle arranged at the designated position T of the parking lot.

Further, according to the optical device 1 of the present embodiment, at least information different from the first hologram area 41 and the first hologram area 41 formed of a set of element holograms in which predetermined information is recorded is recorded. At least one of the first hologram area 41 and the second hologram area 42 that reflects the light emitted from the light emitting section 2 and the diffusion section having the hologram 40 divided into the second hologram area 42 formed of a set of element holograms. Since the scanning unit 3 that scans the light so as to include one is provided, it is possible to switch the projection content quickly and accurately according to the input. Further, it becomes possible to precisely illuminate a predetermined position.

Further, according to the optical device 1 of the present embodiment, at least information different from the first hologram area 41 and the first hologram area 41 formed of a set of element holograms in which predetermined information is recorded is recorded. The hologram portion 4 having the hologram 40 divided into the second hologram area 42 formed of a set of element holograms, and the light emitted from the light emitting portion 2 causes at least one of the first hologram area 41 and the second hologram area 42 to be emitted. Since the scanning unit 3 that movably supports the hologram unit 4 so as to scan is provided, it is possible to quickly and accurately switch the projection content according to the input. In addition, it is possible to accurately illuminate a predetermined position.

Although the optical system 100 has been described above based on some embodiments, the present invention is not limited to these embodiments and various combinations or modifications are possible.

DESCRIPTION OF SYMBOLS 1... Optical device 2... Light emitting part 3... Scanning part 4... Diffusion part 5... Receiving part 6... Storage part 7... Control part 8... Driving part 100...
52... Parking detector (position detector)
53... Data reading unit (entry detection unit, position detection unit)
54... Moving object detection unit (entry detection unit)
60... System storage unit 70... System control unit 76... Data writing unit 77... Ticket issuing unit

Claims (8)

An entry detection unit that detects entry of an object into a predetermined area determined in advance,
A position detection unit that detects a specified position for arranging the object,
An optical device that is installed in the illuminating light and emits illumination light that illuminates at least the periphery of the illumination light ,
After the entry detector detects the entry of the object into the predetermined area, the optical device is irradiated with guide information for guiding the object to the designated position detected by the position detector. A system control unit that
Equipped with
The optical device is
A light emitting unit that emits coherent light,
A receiver for receiving a signal from the system controller,
At least a first diffusion element region including a set of element diffusion elements in which predetermined information is recorded and a second diffusion element including a set of element diffusion elements in which information different from the first diffusion element region is recorded. A diffusion portion having a diffusion element divided into regions,
A scanning unit that reflects the light emitted from the light emitting unit and scans the light so as to include at least one of the first diffusion element region and the second diffusion element region;
A control unit that drives the scanning unit according to a signal received by the receiving unit;
Have
By irradiating the first diffusing element region and the second diffusing element region with one optical device, it is possible to irradiate the illumination light and the guide information different from the illumination light to a plurality of different designated positions. <br/> An optical system characterized by the following. An entry detection unit that detects entry of an object into a predetermined area determined in advance,
A position detection unit that detects a specified position for arranging the object,
An optical device that is installed in the illuminating light and emits illumination light that illuminates at least the periphery of the illuminating light ,
After the entry detector detects the entry of the object into the predetermined area, the optical device is irradiated with guidance information for guiding the object to the designated position detected by the position detector. A system control unit that
Equipped with
The optical device is
A light emitting unit that emits coherent light,
A receiver for receiving a signal from the system controller,
At least a first diffusion element region including a set of element diffusion elements in which predetermined information is recorded, and a second diffusion element including a set of element diffusion elements in which information different from the first diffusion element region is recorded. A diffusion portion having a diffusion element divided into regions,
A scanning unit that movably supports the diffusion unit so that light emitted from the light emitting unit scans at least one of the first diffusion element region and the second diffusion element region;
A control unit that drives the scanning unit according to a signal received by the receiving unit;
Have
By irradiating the first diffusing element region and the second diffusing element region with one optical device, it is possible to irradiate the illumination light and the guide information different from the illumination light to a plurality of different designated positions. <br/> An optical system characterized by the following. When the object is placed at the specified position, a system storage unit that stores the relationship between the object and the specified position,
A data reading unit for reading data of the object,
Equipped with
The system control unit acquires the relationship between the object read by the data reading unit and the designated position from the system storage unit, and causes the optical device to irradiate the guidance information up to the designated position. The optical system according to claim 1 or 2. The optical system according to any one of claims 1 to 3, wherein the system control unit causes the optical device to illuminate the designated position with illumination light as the guide information. The optical system according to any one of claims 1 to 4, wherein the system control unit causes the optical device to emit an arrow in the middle of the designated position as the guide information. The optical system according to claim 1, wherein the guide information is illuminated in color. The area is a parking lot,
The entry detection unit is an entry detection unit that detects entry of a vehicle,
7. The optical system according to claim 1, wherein the position detection unit is a parking detection unit that detects the designated position where the vehicle can be parked. A ticket issuing section for issuing a parking ticket when entering the vehicle,
A data writing unit that writes the data of the specified position detected by the parking detection unit to the parking ticket before the ticket is issued;
The optical system according to claim 7, further comprising:

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