JPH053511B2 - - Google Patents

Description

[Detailed description of the invention]

(Field of Industrial Application) The present invention relates to a vehicle locking/unlocking device for locking/unlocking an opening/closing body such as a door or a trunk of an automobile using a key card having a recited code. (Prior art) Conventionally, in this type of vehicle lock/unlock device,
When locking/unlocking an opening/closing body such as a door or trunk of a car, etc., by inserting a key card with a recited code into a removable hole provided in the driver's side door, a transmission provided on the key card can be performed. The device transmits the recited code to a receiver installed on the vehicle body side, and when the code registered in the vehicle body memory and the recited code match, the vehicle is locked or unlocked depending on the locked/unlocked state of the vehicle opening/closing body. It is to be locked. (Problems to be Solved by the Invention) However, in the vehicle lock/unlock device shown in the prior art, when a vehicle opening/closing body such as a door or trunk is in a locked state by inserting a key card, the vehicle opening/closing body can be unlocked. However, when it is in the unlocked state, it only has the function of locking the opening/closing body.
It is not possible to receive tourist spot information etc. from an external database. (Means for Solving the Problems) The present invention aims to solve the above problems, and as a means thereof, the transmitter is equipped with a keyboard, a display section, and a RAM, and the transmitter is equipped with a keyboard, a display section, and a RAM. The receiving means can also communicate with an external database. (Example) Hereinafter, an example of the present invention will be described based on the drawings. Fig. 1 is a perspective view of a vehicle locking/unlocking device according to the present invention installed in an automobile, Fig. 2 is a partially enlarged view of the mounting portion B of the vehicle locking/unlocking device in Fig. 1, and Fig. 3 is a front view of the transmitter, FIG. 4 is a side sectional view when the transmitter is inserted into the vehicle body, FIG. 5 is a block diagram of the vehicle lock/unlock device, and FIG. 6 is the block diagram shown in FIG. 5. FIG. 2 is a processing flow diagram. In the figure, 1 is a transmitter, 3a is a slot, and 3 is an out handle. Vehicle lock/unlock device is transmitter 1
and a receiver 2 installed inside the driver's side door 4 of automobile A.
By inserting the key into the slot 3a provided at the top of the door, information such as key information is sent and received, and the door 4 and the like are locked and unlocked. To lock and unlock the vehicle doors, etc., when the transmitter 1 is inserted into the slot 3a, a unique key code pre-stored in the ROM inside the transmitter 1 is transmitted to the receiver 2 on the door side. The key code is compared with the registration code pre-stored in the ROM in the receiver 2 on the door side, and if the two match, the opening/closing body is automatically locked/unlocked according to the lock state of the vehicle opening/closing body. It is set as. In addition to this mechanism, this device also transmits the lock status of opening/closing objects such as doors stored in the RAM in the receiver 2 on the vehicle body side to the transmitter 1 side.
By storing the information in the side RAM, it is possible to selectively lock and unlock opening/closing objects such as vehicle doors and trunks. In addition to the above-mentioned mechanism, this device stores forgotten alarm information such as forgetting to apply the brake, door ajar alarm, and forgetting to close the trunk in the RAM in the receiver 2 on the vehicle side. If you forget to close it,
The warning is issued by a buzzer built into the transmitter 1 when the driver leaves the car, and then when the transmitter 1 is removed from the vehicle body, the forgetting alarm information is displayed on the transmitter 1. be. Figures 3 and 4
As shown in the figure, the surface of the transmitter 1 includes a vehicle door,
A display section 5 using an LCD is provided to display information such as the locked/unlocked state of an opening/closing body such as a trunk or forgetting to turn off a light on the vehicle body side. Below the display section 5 are three numeric switches 6. ,7,8
and two scroll switches 9 and 10 arranged on both sides thereof. The numerical switches 6, 7, and 8 switch from automatic mode to manual mode and manual mode when selectively locking and unlocking vehicle doors, etc., and when forgetting warning information on the vehicle body side is displayed on the display. This is used both when switching from to automatic mode. The scroll switches 9 and 10 are used to advance the information displayed on the display section 5 of the transmitter 1 one item at a time in the manual mode, with the scroll switch 9 forwarding forward and the scroll switch 10 forwarding forward one item at a time. used. As shown in FIGS. 3 and 4, three magnetic heads 12, 13, and 14 are provided on the upper surface of the transmitter 1, and when the transmitter 1 is inserted into the slot 3a, Synchronization pulses and transmission/reception data pulses are simultaneously communicated between the three magnetic heads 15, 16, 17 on the side of the receiver 2 provided and the magnetic heads 12, 13, 14 (FIG. 5). still,
In FIG. 5, 22 indicates a CPU (central processing unit). Next, the operation of this apparatus will be explained according to the block diagram in FIG. 5 and the processing flow diagram in FIG. In FIG. 5, 1 indicates the transmitter side and 2 indicates the receiver side. When the transmitter 1 is inserted into the slot 3a provided in the driver's side door 4 of the car A, the key code pre-stored in the ROM 18 on the transmitter 1 side is transmitted to the receiver 2 side via the magnetic heads 14 and 17. be done. At this time, the receiver 2 side receives the key code, and the receiver 2 side receives the key code and the receiver 2 side.
Compare and check with the registration code stored in advance in the ROM 19. As a result of the comparison, if the two codes match, a code matching signal is sent from the receiver 2 side to the transmitter 1 side, the buzzer in the transmitter 1 sounds, and the vehicle body opens/closes depending on the lock state of the vehicle opening/closing body. The body will automatically lock and unlock. Furthermore, the lock state of the vehicle opening/closing body is displayed on the display section 5 of the transmitter 1. Here, the relationship between automatic locking and unlocking according to the door lock status on the driver side (driver side) and assist side (passenger seat side), displaying the results on the display unit 5 of the transmitter 1, and sounding the buzzer. The details are as shown in the table below (marks in parentheses in the table indicate the parts that worked). [Automatic lock/unlock]

[Table] If the two codes do not match as a result of verification,
None of the above instructions work and the process ends. Furthermore, in this device, at the same time the key code is transmitted from the transmitter 1 to the receiver 2, the main light on the vehicle side
Vehicle information such as auxiliary light lighting, brake position, door ajar, etc. is sent from the RAM 20 on the receiver 2 side to the transmitter 1 side.
The information is transferred to the RAM 21 via the magnetic heads 16 and 13, and is sent when the driver leaves the vehicle after executing the automatic locking/unlocking process and there are any unoperated parts, such as lights being turned on or doors left ajar. The buzzer built into device 1 sounds. In this case, when the transmitter 1 is removed from the slot 3a, the display section 5 on the transmitter 1 will display characters specifically indicating the forgotten location, such as "Headlight Tent", "P Brake Missed".
etc. will be displayed. This allows the driver to know where there are unoperated parts. In automatic display mode, this display is displayed repeatedly every 1 or 2 seconds starting from the highest priority.
When the □ two-number switch 7 is pressed to switch to the manual display mode, each time the □← scroll key 9 is pressed, the vehicle information is displayed one item at a time. Furthermore, the transmitter 1 not only receives information from the receiver 2, but also receives restaurant and tourist spot information from an external database, stores this in the RAM 21 on the transmitter 1 side, and stores it in the RAM 21 on the transmitter 1 side. It is arranged so that it can be displayed on the display section 5. At this time, the program is written in the RAM of the transmitter 1, and the above-mentioned information on restaurants, tourist spots, etc. is transmitted by connecting the transmitter 1 to a database installed at the store or rental car store and transmitting the above-mentioned external information. inside vessel 1
It is stored in RAM. Here, an example will be shown in which restaurant information received from an external database is displayed on the display unit 5 of the transmitter 1. For example, when receiving information such as "Gourmet: Tokyo. Washiyoku", "Gourmet: Tokyo. Washiyoku", "Gourmet: Tokyo. The "Washiyoku" information that is entered will be displayed sequentially. Further, the □← scroll switch 9 and the □→scroll switch 10 are used to display the information contents within the "washiyoku" information. □Other menus (“Gourmet: Tokyo.Yoshiyoku”, etc.) can be accessed by operating the 2-number switch 7.
is displayed on the display board. (Effects of the Invention) As described above, the present invention includes a transmitter equipped with a keyboard, a display unit, and a RAM, and also allows the receiving means of the transmitter to communicate with an external database, so that information on restaurants, tourist spots, etc. can be obtained. It has the excellent effect of being able to receive information from an external database and display it on the display unit as needed.

[Brief explanation of the drawing]

FIG. 1 is a perspective view of a vehicle locking/unlocking device according to the present invention installed in an automobile, FIG. 2 is a partially enlarged view of the mounting portion of the vehicle locking/unlocking device in FIG. 1,
Figure 3 is a front view of the transmitter, Figure 4 is a side sectional view when the transmitter is inserted into the vehicle body, Figure 5 is a block diagram of the vehicle lock/unlock device, and Figure 6 is the same as Figure 5. FIG. 6 is a processing flow diagram of the block diagram shown in FIG. 1... Transmitter, 2... Receiver, 3... Out handle, 3a... Slot, 5... Display section, 6,
7, 8... Number switch, 9, 10... Scroll switch, 11... Buzzer, 12, 13, 14
...Magnetic head, 18...Transmitter ROM, 19...
...Receiver side ROM, 20...Receiver side RAM, 2
1...Transmitter side RAM.

Claims (1)

[Claims] 1 A transmitter that is equipped with a unique key code and transmits the key code to a receiving means on the door side via a transmitting means, and a transmitter that compares the received key code with the registration code registered on the door side and determines that they match. In a vehicle lock/unlock device comprising a receiver capable of locking or unlocking a vehicle opening/closing body at times, the transmitter is provided with a keyboard, a display section, and a RAM, and the transmitter includes a receiving means. A locking/unlocking device for a vehicle, characterized in that the device is capable of communicating with an external database.