JP5450197B2 - Non-contact reading / writing device - Google Patents

Description

  The present invention relates to a structure capable of optimizing communication sensitivity in a non-contact reading / writing device that transmits and receives data to and from a non-contact IC card and a non-contact IC tag (hereinafter referred to as “non-contact communication body”). .

  Generally, a non-contact reading / writing device such as a non-contact IC card reader / writer includes a non-contact reading / writing unit composed of a control circuit and an antenna substrate, and information from the control circuit is approached by emitting an electromagnetic wave from the antenna substrate. Data is transmitted to and received from the contactless IC card, and data is read from or written to the contactless IC card.

  And since the distance between the antenna substrate and the non-contact IC card that can obtain the optimum communication sensitivity differs depending on the sensitivity of the non-contact IC card, the antenna substrate and the non-contact IC are vibrated by vertically vibrating the antenna substrate. There was a technology for changing the distance of the card, a technology for changing the distance between the antenna substrate and the non-contact IC card during transportation by tilting the conveyance path of the non-contact IC card, and a technology for changing the output of the antenna substrate (for example, Patent Document 1).

JP 2007-18357 A

  However, in the above conventional non-contact reading / writing device, when the conveying path is inclined, the device becomes large, and when the antenna substrate is vibrated up and down, a driving unit and its control means are required, and the cost increases. The noise generated by the signal affects communication, and even when the output level of the antenna substrate is changed, the output unit and its control means are required, resulting in a high cost. There is also a problem that communication is not stable because the communication distance and output level change during communication.

The present invention employs the following configuration in order to solve the above-described problems. That is, a non-contact reading / writing unit having a non-contact reading / writing unit for guiding a non-contact communication body guided by an up / down conveyance guide and bringing the non-contact communication body close to each other and communicating with the non-contact communication body A height adjusting means for stepwisely changing the height of the fixing base on which the non-contact reading / writing unit is placed, the height adjusting means includes a plurality of fixing bases and a fixing base for the plurality of stages. and struts respectively top with a slit die, by inserting both end portions in the slits consists of a fixing member which holds and fixes the non-contact reader and writer unit, before Symbol contactless communication object and the non-contact reading document The distance from the indentation can be set by adjusting it step by step.

  According to the non-contact reading / writing device of the present invention, the non-contact communication body is guided by the upper and lower transport guides, and the non-contact communication body is brought close to the non-contact communication body to communicate with the non-contact communication body. A non-contact reading / writing apparatus having a contact reading / writing unit, comprising: a height adjusting means for stepwisely changing a height of a fixing base on which the non-contact reading / writing unit is placed, and the non-contact by the height adjusting means. Since the distance between the communication body and the non-contact reading / writing unit can be adjusted stepwise, even with non-contact communication bodies with different sensitivities, stable communication can be performed at the optimal communication distance. It is possible to reduce the size, cost, and noise.

1 is a configuration diagram of a non-contact reading / writing device of Embodiment 1. FIG. 1 is a configuration diagram of a non-contact reading / writing device of Embodiment 1. FIG. 1 is a configuration diagram of a non-contact reading / writing device of Embodiment 1. FIG. FIG. 6 is a configuration diagram of a non-contact reading / writing apparatus according to a second embodiment. FIG. 6 is a configuration diagram of a non-contact reading / writing apparatus according to a second embodiment. FIG. 10 is a configuration diagram of a non-contact reading / writing apparatus according to a third embodiment. FIG. 6 is a configuration diagram of a non-contact reading / writing apparatus according to a fourth embodiment. FIG. 10 is a configuration diagram of a non-contact reading / writing apparatus according to a fifth embodiment. FIG. 10 is an operation explanatory diagram of the non-contact reading / writing apparatus according to the fifth embodiment. FIG. 10 is a configuration diagram of a non-contact reading / writing apparatus according to a sixth embodiment.

  Embodiments of the present invention will be described below with reference to the drawings. Elements common to the drawings are given the same reference numerals. In the following description of the embodiments, a non-contact IC card reading / writing device will be described as an example, but a non-contact IC tag reading / writing device may be used.

(Constitution)
1 to 3 are block diagrams of the non-contact reading / writing apparatus according to the first embodiment. As shown in the figure, the non-contact reading / writing apparatus 100 according to the first embodiment has a conveyance guide for guiding conveyance of the non-contact IC card 1 inserted from the front of the apparatus as indicated by an arrow A in FIGS. 2a, 2b, a transport roller 3 for transporting the non-contact IC card 1, a non-contact read / write comprising an antenna substrate 4 provided on the transport guide 2a for emitting electromagnetic waves as indicated by an arrow Ev, and a control circuit (not shown). It comprises a plurality of stages of antenna substrate fixing bases 5a on which a portion is placed and antenna substrate fixing columns 5b.

  Antenna substrate fixing slits 5s for inserting both ends of the antenna substrate fixing component 5b for pressing and fixing the antenna substrate 4 are provided on the upper portions of the antenna substrate fixing bases 5a of the antenna substrate fixing column 5b. Yes.

  The antenna substrate fixing component 5b may be formed of a non-metallic plastic plate having flexibility as shown in the figure.

(Operation)
With the above configuration, the non-contact reading / writing apparatus according to the first embodiment operates as follows. That is, the non-contact reading / writing unit, that is, the antenna substrate 4 and a control circuit (not shown) are placed on any one of the antenna substrate fixing bases 5a having the optimum distance La according to the sensitivity of the non-contact IC card. Both ends of the antenna fixing component 6 are inserted into the antenna substrate fixing slits 5s above the antenna substrate fixing base 5a, and the antenna substrate 4 is pressed and fixed.

  In the illustrated example, the antenna substrate 4 is shown in the middle stage. However, when the read / write of the non-contact IC card 1 with low sensitivity is performed, the antenna board 4 is placed on the lower antenna board fixing base 5a. By inserting both ends of the antenna fixing component 6 into the antenna substrate fixing slit 5s above the antenna substrate fixing base 5a and pressing and fixing the antenna substrate 4, the distance La from the antenna substrate 4 to the non-contact IC card 1 is set. The electromagnetic wave level required for data transmission / reception can be reduced, and stable data transmission / reception can be performed.

  On the other hand, when reading / writing the non-contact IC card 1 having high sensitivity, the antenna substrate 4 is placed on the upper antenna substrate fixing base 5a, and the antenna fixing component 6 is inserted into the antenna substrate fixing slit 5s of the antenna substrate fixing base 5a. The distance La between the antenna substrate 4 and the non-contact IC card 1 is increased, the optimum electromagnetic wave level is achieved, and stable data transmission / reception can be performed.

  In the above description of the embodiment, the antenna substrate fixing support 5a of the antenna substrate fixing column 5b is provided with the antenna substrate fixing slits 5s, and both ends of the antenna substrate fixing component 5b are used for fixing the antenna substrate. In the above description, the antenna substrate 4 is pressed and fixed by being inserted into the slit 5s. However, the antenna substrate 4 may be pressed and fixed from above by a biasing means such as a non-metallic plastic spring. In this case, it is not necessary to provide the antenna substrate fixing slit 5s in the antenna substrate fixing column 5b.

(Effect of Example 1)
As described above, according to the non-contact reading / writing apparatus of the first embodiment, the non-contact IC card is transported by being guided by the upper and lower transport guides, and the non-contact IC card is brought close to communicate with the non-contact IC card. In a non-contact reading and writing apparatus having an antenna substrate for performing the above, a plurality of fixing bases on which the antenna substrate is placed, a support column having slits on the fixing bases of the plurality of stages, and both ends inserted into the slits. And a fixing member that holds and fixes the antenna substrate, and the distance between the non-contact IC card and the antenna substrate can be adjusted stepwise so that even a non-contact IC card with different sensitivity can be set. Stable communication can be performed at an appropriate communication distance, and miniaturization, cost reduction, and noise reduction are possible. In addition, since it has a simple configuration, no tool is required when adjusting and setting the communication distance.

(Constitution)
FIG. 4 shows the configuration of the non-contact reading / writing apparatus of the second embodiment. As shown in the figure, the non-contact reading / writing device 100 according to the second embodiment includes an antenna substrate fixing base 15a having an inner claw portion and an outer claw portion, and a plurality of nail portions on which the outer claw portion is hooked. It is the structure provided with the support | pillar 15b for antenna board | substrates provided with. The antenna substrate fixing base 15a is preferably a molded product for cost reduction and flexibility. Since other configurations are the same as those of the first embodiment, detailed description thereof is omitted for the sake of brevity.

(Operation)
With the above configuration, the non-contact reading / writing apparatus according to the second embodiment operates as follows. That is, the antenna substrate 4 is pushed into the claw portion inside the antenna substrate fixing base 15a and fixed on the antenna substrate fixing base 15a as shown in FIG. 4, and the upper portion (dashed line a portion) of the antenna substrate fixing base 15a is fixed. By pinching, the hook position of the outer claw portion of the antenna substrate fixing base 15a and the inner claw portion of the antenna substrate fixing column 15b is changed, and the height of the antenna substrate 4 is set in accordance with the sensitivity of the non-contact IC card 1. Adjust and set the communication distance appropriately.

  In the description of the above embodiment, the antenna board fixing base 15a includes the inner claw part and the outer claw part on both the left and right sides, and the antenna board fixing base 15b is hooked on the outer claw part to hold the antenna board fixing base. Although the description has been made so that the left and right claws are provided on both the left and right sides to support 15a, as shown in FIG. 5, for example, the antenna substrate fixing column 15b is provided only on the right side, and only the right end of the antenna substrate fixing table 15a is provided. Although not shown, the antenna substrate fixing column 15b is provided only on the left side, and the nail portion is provided only on the left end of the antenna substrate fixing table 15a. It may be.

(Effect of Example 2)
As described above, according to the non-contact reading / writing apparatus of the second embodiment, the antenna substrate fixing base having the inner claw portion and the outer claw portion and having flexibility on the inner side, and the antenna substrate by hooking the outer claw portion. An antenna substrate fixing column having a plurality of steps of claw portions for supporting the fixing base, and the distance between the non-contact IC card and the antenna substrate can be adjusted stepwise and set. Similar to the effect of Example 1, even non-contact IC cards having different sensitivities can perform stable communication at an appropriate communication distance, and can be reduced in size, cost, and noise. In addition, since it has a simple configuration, no tool is required when adjusting and setting the communication distance.

(Constitution)
FIG. 6 shows a configuration of the non-contact reading / writing apparatus 100 according to the third embodiment. As shown in the figure, the non-contact reading / writing apparatus 100 according to the second embodiment includes a claw portion for fixing the antenna substrate 4 to the antenna substrate fixing base 35a, the antenna substrate 4, the non-contact IC card 1, and the like. The height adjustment screw 37 that can adjust the distance La is provided. The antenna substrate fixing base 35a is preferably a molded product for cost reduction and flexibility. Since other configurations are the same as those of the first embodiment, detailed description thereof is omitted for the sake of brevity.

(Operation)
With the above configuration, the non-contact reading / writing apparatus of the third embodiment operates as follows. That is, the antenna substrate 4 is fixed to the antenna substrate fixing base 35a by the claw portion using the flexibility of the molded product of the antenna substrate fixing base 35a, and the height adjustment attached to the molded antenna substrate fixing base 35a is adjusted. By turning the screw 37, the height adjusting screw 37 protrudes or returns to the conveyance guide 2a side, and the distance La between the antenna substrate 4 and the non-contact IC card 1 can be changed.

(Effect of Example 3)
As described above, in the non-contact reading / writing apparatus according to the third embodiment, the distance between the antenna substrate fixing base having the claw portion for fixing the antenna substrate and the fixed antenna substrate and the non-contact IC card can be adjusted. Since the height adjusting screw is provided so that the distance between the antenna substrate and the non-contact IC card can be continuously adjusted, in addition to the effects of the first embodiment, even a non-contact IC card having different sensitivity can be used. Stable communication can be performed at an optimal communication distance, and miniaturization, cost reduction, and noise reduction are possible. In addition, since it has a simple configuration, no tool is required when adjusting and setting the communication distance.

(Constitution)
FIG. 7 shows the configuration of the non-contact reading / writing apparatus 100 according to the fourth embodiment. As shown in the figure, in the non-contact reading / writing device 100 of the fourth embodiment, the antenna substrate fixing base 45a is formed in a U-shape having flexibility on the inner side, and an inner claw portion is provided near the bottom portion, and the upper portion is provided. A screw hole is provided, a slide hole 45c is provided in the antenna substrate fixing column 45b, and a height adjusting screw 47 is attached to the screw hole of the antenna substrate fixing base 45a through the slide hole 45c.

  The antenna substrate fixing base 45a is preferably a molded product in order to reduce the cost and to make the claw portion flexible. Since other configurations are the same as those of the first embodiment, detailed description thereof is omitted for the sake of brevity.

(Operation)
With the above configuration, the non-contact reading / writing apparatus of the fourth embodiment operates as follows. That is, the antenna substrate 4 is fixed to the antenna substrate fixing base 45a by the flexible claw portion of the antenna substrate fixing base 45a, the height adjusting screw 47 is loosened, and the antenna substrate fixing base 45a is shown in FIG. The antenna substrate fixing base 45a is moved up and down by sliding in the arrow B direction on the right side to adjust the distance La between the antenna substrate 4 and the non-contact IC card 1, and is fixed by the height adjusting screw 47.

(Effect of Example 4)
As described above, according to the non-contact reading / writing apparatus of the fourth embodiment, the antenna substrate fixing base is provided with the claw portion for fixing the antenna substrate and the screw hole for attaching the height adjusting screw, and is slid on the antenna substrate fixing column. Since the hole is provided so that the distance between the antenna substrate and the non-contact IC card can be continuously adjusted, the optimum communication can be achieved even with the non-contact IC card having different sensitivities as in the effect of the third embodiment. Stable communication can be performed at a distance, and miniaturization, cost reduction, and noise reduction are possible. In addition, since it has a simple configuration, no tool is required when adjusting and setting the communication distance.

(Constitution)
FIG. 8 shows a configuration of the non-contact reading / writing apparatus 100 according to the fifth embodiment. As shown in the figure, in the non-contact reading / writing apparatus 100 of Example 5, antenna substrate fixing slits 55s for inserting both ends of the antenna fixing component 6 are provided on the antenna substrate fixing column 55b, and provided on the transport guide 2a. The fixed base 57b is provided with an eccentric cylindrical height adjusting component 57 fixed by a fixing screw 57a, and the distance La between the antenna substrate 4 and the non-contact IC card 1 is changed by changing the mounting angle of the height adjusting component 57. It has a configuration that can be adjusted. Since other configurations are the same as those of the first embodiment, detailed description thereof is omitted for the sake of brevity.

  The height adjusting part 57, the fixing screw 57a, and the fixing base 57b are preferably made of a non-metallic material such as plastic, and the material of the antenna fixing part 6 is preferably made of a non-metallic elastic material such as a plastic plate.

(Operation)
With the above configuration, the non-contact reading / writing apparatus of Embodiment 5 operates as follows. That is, the antenna substrate 4 is placed between the antenna substrate fixing component whose both ends are inserted into the antenna substrate fixing slit 55s and the height adjusting component 57, and the height adjusting component 57 is attached as shown in FIG. By changing the angle, the distance La between the antenna substrate 4 and the non-contact IC card 1 is adjusted, and the antenna is fixed with a fixing screw 57a.

  At this time, since the material of the antenna fixing component 6 is a non-metallic elastic material such as a plastic plate, the antenna fixing component 6 is deformed according to the top and bottom of the antenna substrate 4.

(Effect of Example 5)
As described above, according to the non-contact reading / writing apparatus of the first embodiment, the antenna substrate fixing slit is provided in the antenna substrate fixing column so that both ends of the antenna fixing component are inserted, and fixed to the fixing table of the conveyance guide with the fixing screw. Since the height adjustment part of the eccentric cylindrical shape is provided, and the distance between the antenna substrate and the non-contact IC card can be continuously adjusted and set, as in the effects of the third and fourth embodiments, Even non-contact IC cards having different sensitivities can perform stable communication at an optimal communication distance, and can be reduced in size, cost, and noise.

(Constitution)
FIG. 10 shows a configuration of the non-contact reading / writing apparatus 100 according to the sixth embodiment. As shown in the figure, in the non-contact reading / writing apparatus 100 of the fifth embodiment, the antenna substrate fixing column 65b is provided with antenna substrate fixing slits 65s into which both ends of the antenna fixing component 6 are inserted, and on the conveyance guide 2a. A height adjustment component 67 having a predetermined thickness is provided in an overlapping manner so that the distance La between the antenna substrate 4 and the non-contact IC card 1 can be adjusted. Since other configurations are the same as those of the first embodiment, detailed description thereof is omitted for the sake of brevity.

  The height adjusting component 67 is preferably a non-metallic material such as plastic, and the antenna fixing component 65 is preferably a non-metallic elastic material such as a plastic plate.

(Operation)
With the above configuration, the non-contact reading / writing apparatus of the sixth embodiment operates as follows. That is, the antenna substrate 4 is placed between the antenna substrate fixing component 6 having both ends inserted into the antenna substrate fixing slit 65 s and the height adjustment component 67, and the number of the height adjustment components 67 is changed to change the antenna substrate 4. The distance La between the contactless IC card 1 and the contactless IC card 1 is adjusted.

  At this time, since the material of the antenna fixing component 6 is a non-metallic elastic material such as a plastic plate, the antenna fixing component 6 is deformed according to the top and bottom of the antenna substrate 4.

(Effect of Example 6)
As described above, according to the non-contact reading / writing apparatus of the first embodiment, the antenna substrate fixing slit is provided on the antenna substrate fixing column to insert both ends of the antenna fixing component, and the height of the predetermined thickness is provided on the conveyance guide. Since the adjustment part is provided so that the distance between the antenna substrate and the non-contact IC card can be adjusted stepwise, it is a non-contact IC card having different sensitivities as in the effects of the first and second embodiments. However, stable communication can be performed at an appropriate communication distance, and miniaturization, cost reduction, and noise reduction are possible. In addition, since it has a simple configuration, no tool is required when adjusting and setting the communication distance.

  As described above, the present invention can be widely used in non-contact reading / writing devices that transmit / receive data to / from a non-contact IC card or non-contact IC tag to read / write data.

DESCRIPTION OF SYMBOLS 1 Non-contact IC card 2a, 2b Conveying guide 3 Conveying roller 4 Antenna substrate 5a, 15a, 25a, 35a, 45a Antenna substrate fixing stand 5b, 15b, 25b, 45b, 55b, 65b Antenna substrate fixing column 5s Antenna substrate fixing Slit 6 Antenna board fixing parts 37, 47 Height adjusting screw 45c Slide hole 100 Non-contact reading / writing device La Distance between non-contact IC card and antenna board

Claims (7)

In a non-contact reading / writing device having a non-contact reading / writing unit that guides by a conveyance guide to convey a non-contact communication body, brings the non-contact communication body close to each other, and communicates with the non-contact communication body ,
A height adjusting means for changing the height of the fixing table for placing the non-contact reading / writing unit in stages;
The height adjusting means includes a plurality of stages of fixing bases, support columns each provided with a slit at the top of the plurality of stages of fixing bases, and both ends inserted into the slits to hold down the non-contact reading / writing unit. A non-contact reading / writing apparatus comprising: a fixing member configured to adjust a distance between the non-contact communication body and the non-contact reading / writing unit in a stepwise manner. In a non-contact reading / writing device having a non-contact reading / writing unit that guides by a conveyance guide to convey a non-contact communication body, brings the non-contact communication body close to each other, and communicates with the non-contact communication body ,
A height adjusting means for changing the height of the fixing table for placing the non-contact reading / writing unit in stages;
The height adjustment means supports the fixing base by hooking the dropping prevention claw portion at one end thereof and a fixing base provided with a claw portion for preventing the dropping and rotation of the fixing base by its own weight. And a non-contact communication body and a non-contact reading / writing unit that can be set by adjusting the distance step by step. Contact reading / writing device. In a non-contact reading / writing device having a non-contact reading / writing unit that guides by a conveyance guide to convey a non-contact communication body, brings the non-contact communication body close to each other, and communicates with the non-contact communication body ,
A height adjusting means for changing the distance between the non-contact communication body and the non-contact reading / writing unit stepwise;
The height adjusting means is composed of a height adjusting part having a predetermined thickness placed on a conveyance guide, and the distance between the non-contact communication body and the non-contact reading / writing unit is obtained by overlapping the height adjusting parts. A non-contact reading / writing device characterized in that it can be set by adjusting in stages. It said height adjusting means includes a strut having a slit in the conveyance guide and the conveying guide upper, further comprising a fixing member which holds and fixes the non-contact reading and writing portion by inserting the both end portions in the slit The non-contact reading / writing device according to claim 3. Non-contact reading / writing apparatus having a non-contact reading / writing unit that guides by a vertical conveyance guide to convey a non-contact communication body, and brings the non-contact communication body closer to communicate with the non-contact communication body In
Comprising a height adjusting means for continuously changing the height of the fixing base on which the non-contact reading / writing unit is placed;
The height adjusting means includes a fixing base having a screw hole, a fixing column having a slide hole, and a height adjusting screw fixed by the slide hole and the screw hole, and the non-contact communication body. A non-contact reading / writing apparatus characterized in that the distance between the non-contact reading / writing unit can be continuously adjusted and set.     6. The non-contact reading / writing apparatus according to claim 5, wherein the height adjusting means is a U-shaped flexible member and further includes an inner claw portion in the vicinity of the bottom portion. Non-contact reading / writing apparatus having a non-contact reading / writing unit that guides by a vertical conveyance guide to convey a non-contact communication body, and brings the non-contact communication body closer to communicate with the non-contact communication body In
Comprising a height adjusting means for continuously changing the height of the fixing base on which the non-contact reading / writing unit is placed;
The height adjusting means is configured to hold and fix the non-contact reading / writing unit by inserting a plurality of stages of fixing bases, a column having a slit at the top of the plurality of stages of fixing bases, and inserting both ends into the slit. A distance between the non-contact communication body and the non-contact reading / writing unit, comprising a fixing member and an eccentric cylindrical height adjustment component fixed to a fixing base provided in the conveyance guide with a fixing screw. A non-contact reading / writing apparatus characterized in that it can be set by continuously adjusting.

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