JP2011087002A - Non-contact input device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a non-contact input device capable of securing security and preventing erroneous input to an external apparatus to be used. <P>SOLUTION: The non-contact input device includes: a non-contact input interface composed of an input portion having a tag guide plate 3, a radio wave shielding plate 5 and a reader 2d etc., a signal selection portion and an output portion; and a radio tag 1 storing the identification information of a user. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to a non-contact type input device that performs non-contact input operations associated with operations and settings for external devices such as various electronic devices.

  2. Description of the Related Art Conventionally, for example, keyboards, mice, button switches, touch panels, and the like are input devices used in widely used electronic devices such as personal computers and mobile phones. These input devices are contact type input devices that a user presses with a finger or contacts to input information.

  Since the input operation is performed by directly touching the device itself with the contact type input device, for example, when the input operation is performed with a dirty hand or finger, dirt may adhere to the input device or the electronic device. In particular, in recent years, in public electronic devices, non-contact input of information is desired from the viewpoint of hygiene problems and infectious disease prevention. For example, non-contact input using an optical sensor as a detection means An apparatus is proposed in US Pat.

  In Patent Document 1, the number of times detection is performed within a predetermined time by a detection means using a single optical sensor, the order in which objects are detected by a plurality of detection means, and the detection means that has detected an object are not. A non-contact type input device is disclosed in which an object detection / non-detection pattern is identified by a detection method of detection means, and a signal is generated by signal generation processing.

JP 2005-141542 A

  However, in a non-contact type input device using a conventional optical sensor as a detection means, the installed optical sensor outputs a signal upon detecting the blockage of light. There is a problem in that the ability to detect light blockage is reduced due to the adhesion of dirt, making it impossible to input information or inputting incorrect information.

  In addition, a conventional non-contact type input device using an optical sensor as a detection means does not have an authentication identification function for a user who performs an input operation, and a person other than the authorized person can also perform the input operation. There was a problem that security could not be secured.

  An object of the present invention is to provide a non-contact type input device capable of solving the above-described problems, ensuring security, and preventing erroneous input to an external device to be used.

  According to the present invention, the wireless tag includes a wireless tag and a contactless input interface that obtains information of the wireless tag through wireless communication, and the contactless input interface includes an input having a plurality of wireless tag readers. A signal selection unit having a function of comparing the input information with information stored in advance and a function of selecting one signal from a predetermined signal group according to the input information; A non-contact input device including an output unit that outputs an input signal to an external device, wherein user identification information is stored in the wireless tag in advance, and the wireless device is configured to perform the wireless communication in a predetermined order with respect to the reading device. A wireless communication is performed by holding a tag, the identification information is read from the wireless tag by the reading device, and the identification information read and the reading device from which the identification information is read from the wireless tag. And combination information is input to the signal selection unit, the user selection identification of the user and selection of a setting input signal of an external device are performed by the signal selection unit, and the setting input signal is transmitted to the external device via the output unit. A non-contact type input device characterized by outputting is obtained.

  According to the present invention, the input unit has a radio wave shield plate having the same number of through holes as the reader, and the radio wave shield plate is placed in the through hole so as to overlap the radio wave shield plate. The above-described non-contact type input device is obtained in which the communication area of the reading device is limited by the area of the opening of the through hole.

  According to the present invention, the input unit includes a tag guide plate having a groove partially overlapping the through hole, the surface of the tag guide plate opposite to the side where the groove is provided, and the reading device. The non-contact type input device described above, wherein the radio wave shield plate on the side opposite to the provided side is provided so as to overlap, and the wireless tag is moved along the groove and conveyed to the communicable region. can get.

  According to the present invention, the tag guide plate is formed in a cross shape formed by a rectangular groove formed by four grooves on one surface and two grooves formed by connecting diagonals inside the rectangular groove. The non-contact type input described above, wherein a groove is provided and the through hole and the reading device are arranged in a pair on the other surface at an overlapping position in the vicinity of each inner angle formed by the square groove. A device is obtained.

  In the present invention, the wireless communication function of a wireless tag and a wireless tag reader (hereinafter referred to as a reader) is used as the input means of the non-contact input device, and a conventional optical sensor or the like is used as the detection means. Thus, it is possible to prevent input failure or incorrect input that may occur in the non-contact input device.

  Further, the non-contact input device of the present invention includes a plurality of reading devices having a communication range limited by radio wave shield plates that block radio waves, and wireless tags that store identification information of users who have permission to use, By performing wireless communication over a predetermined reading device in order from among the reading devices, it is possible to perform authentication and identification of the person who operates, and to limit the persons who operate. Furthermore, it is possible to select the setting input signal of the external device to be used from the order and combination of the readers that communicate with the wireless tag and send it to the external device to input the setting of the external device. Can be prevented.

  According to the present invention, identification information of a user who is authorized to use a radio tag and a reader having a wireless communication function as an input means of the non-contact input device and having a plurality of readers whose communication range is limited by a radio wave shield plate Wireless communication is performed by holding the wireless tag storing the URL over a predetermined reading device in order from among these reading devices, authenticating and identifying the user, limiting who operates, and communicating with the wireless tag. By selecting the setting input signal of the external device to be used from the order and combination of the reading devices and performing the setting input of the external device, security can be ensured, and erroneous input to the external device to be used can be prevented. A mold input device is obtained.

The block diagram which shows schematic structure of the non-contact-type input interface of this invention. The disassembled perspective view which shows the structure of the input part which concerns on the non-contact-type input interface of this invention. The perspective view which shows the non-contact type input device before the input operation | work of this invention. Explanatory drawing which shows the outline | summary of the input method in the non-contact-type input device of this invention.

  An embodiment of a non-contact type input device of the present invention will be described with reference to the drawings. The non-contact input device of the present invention includes a non-contact input interface and a wireless tag. First, a non-contact input interface according to the non-contact input device of the present invention will be described.

  FIG. 1 is a block diagram showing a schematic configuration of a contactless input interface according to the present invention.

  The non-contact type input interface of the present invention includes, for example, an input unit 22 having four readers 2 dedicated for wireless tags, a signal selector 7 electrically connected to each reader 2, and the signal selection The output unit 8 is electrically connected to the unit 7.

  The contactless input interface of the present invention operates as follows. First, the reading device 2 provided in the input unit 22 performs wireless communication with a wireless tag (not shown), and outputs user identification information obtained from the wireless tag to the signal selection unit 7. Next, the signal selection unit 7 performs authentication and identification of the user identification information input from the reading device 2 and, based on the order and combination of the four reading devices provided only when the identification information matches. Then, the setting input information of the external device stored in advance is selected and output to the output unit 8. Next, the output unit 8 is electrically connected to an input terminal of an external device (not shown), and outputs the setting input information of the external device input from the signal selection unit 7 to the external device.

  The reading device 2 may be any communication device that can wirelessly communicate with a wireless tag via wireless communication. Any frequency may be used for wireless communication, for example, 13.56 MHz, 860 MHz to 960 MHz, and 2.45 GHz. Can be used.

  The signal selection unit 7 is a device having a function of comparing input information with information stored in advance and a function of selecting one signal from a predetermined signal group according to the input information. For example, information storage means such as RAM (Random Access Memory), information processing means such as CPU (Central Processing Unit), and equipment provided with information processing means can be used and can be selected as appropriate.

  The output unit 8 may be any device having a function of transmitting information. For example, a device connected to an input terminal of an external device such as a connector can be used and can be selected as appropriate.

  Next, an input unit according to the contactless input interface of the present invention will be described.

  FIG. 2 is an exploded perspective view showing the configuration of the input unit according to the non-contact input interface of the present invention.

  The input unit according to the non-contact type input interface of the present invention includes a tag guide plate 3, a radio wave shield plate 5, a reading device 2a, a reading device 2b, a reading device 2c, and a reading device 2d.

  As shown in FIG. 2, the input unit according to the non-contact input interface of the present invention faces a wireless tag when performing wireless communication, and is a reading device 2a, a reading device 2b, a reading device 2c, and a reading device 2d. Are arranged so that the openings of the through-hole 6a, the through-hole 6b, the through-hole 6c, and the through-hole 6d of the radio wave shield plate 5 overlap each other, and the reader is placed on one surface of the radio wave shield plate 5 2a, the reading device 2b, the reading device 2c, and the reading device 2d are joined in the vicinity of the inner corner of each of the quadrilateral grooves 4 of the cross-shaped groove 4 connecting the square formed in the tag guide plate 3 and the diagonal inside thereof. It arrange | positions so that each opening part of the through-hole 6a of the radio wave shield board 5, the through-hole 6b, the through-hole 6c, and the through-hole 6d may overlap, and it is opposite to the surface which provided the groove | channel 4 in the other surface of the radio wave shield board 5 And the tag guide plate 3 is joined .

  The tag guide plate 3 is a flat plate provided on one surface with a cross-shaped groove 4 that connects a square and a diagonal inside thereof. The material of the tag guide plate 3 may be any material as long as it has a function that does not hinder wireless communication. For example, a flat plate made of acrylic resin having a vertical dimension of 500 mm, a horizontal dimension of 500 mm, and a thickness of 10 mm. Can be used and can be selected as appropriate.

  The groove 4 has a function of a guide when moving the wireless tag. The width and depth of the groove 4 are preferably approximate to the external dimensions of the wireless tag so that the wireless tag to be used can move smoothly. For example, when a coin-shaped wireless tag having a diameter of 30 mm and a thickness of 3 mm is used, the width of the groove 4 can be set to about 35 mm, and the depth of the groove 4 can be set to about 2 mm, which can be selected as appropriate. The dimensions of the cross-shaped groove 4 connecting the square and the diagonal inside thereof are, for example, a square having a side length of 300 mm and the diagonal of the square connected to the diagonal inside the square. Can be selected as appropriate.

  The radio wave shield plate 5 includes a through-hole 6a, a through-hole 6b, a through-hole 6c, and a through-hole 6d at positions in a plane corresponding to the four rectangular internal corners of the groove 4 provided in the tag guide plate 3. It is. The radio wave shield plate 5 may be made of any material as long as it has a function of blocking radio waves, such as an aluminum flat plate having a vertical dimension of 500 mm, a horizontal dimension of 500 mm, and a thickness of 0.5 mm. Can be used and can be selected as appropriate.

  The shape and size of the opening of the through-hole 6 may be any shape and size that allows the wireless tag to be used and a specific reading device to communicate with each other. good. For example, when a coin-shaped wireless tag having a diameter of 30 mm and a thickness of 3 mm is used, the opening of the through hole 6 can be a circle having a diameter of about 40 mm and can be selected as appropriate.

  The communication device described in FIG. 1 can be used as the reading device 2a, the reading device 2b, the reading device 2c, and the reading device 2d, and can be selected as appropriate.

  Next, the non-contact input device of the present invention will be described.

  FIG. 3 is a perspective view showing a non-contact type input device before input work according to the present invention.

  The non-contact type input device according to the present invention includes a non-contact type input interface including a tag guide plate 3, a radio wave shield plate 5, a reading device 2d, etc., a signal selection unit, and an output unit. It is comprised with the wireless tag 1 which memorize | stored information.

  The non-contact type input device of the present invention sets a base point for input work in an area where the wireless tag 1 does not wirelessly communicate with any reading device. For example, as shown in FIG. 3, the non-contact type input device of the present invention before the input work is performed by setting the wireless tag 1 as a base point at the crossed portion of the groove 4 provided in the tag guide plate 3 and at the base point. Get.

  The non-contact type input device of the present invention is operated as follows. First, the user moves the wireless tag 1 along the groove 4, and near the square inner corner of the groove 4, that is, the through hole 6a, the through hole 6b, the through hole 6c, and the through hole 6d provided in the radio wave shield plate 5. Are arranged at positions that overlap with any one of the through holes, and perform wireless communication with any one of the reading devices 2d, the reading device 2a, the reading device 2b, and the reading device 2c (FIG. 2). Next, the reading device reads the user identification information from the wireless tag 1 and outputs it to the signal selection unit 7 (FIG. 1). Next, the signal selection unit 7 (FIG. 1) performs authentication and identification of the identification information of the user, and only when the identification information matches, for example, based on the order and combination of the input readers, for example, Table 1 As described above, the corresponding setting input information is selected from the correspondence table of the setting input information of the external device set and stored in advance, and is output to the output unit 8 (FIG. 1). Next, the output unit 8 (FIG. 1) outputs the input setting input information to an external device (not shown) to set the external device.

  Table 1 shows an example of a correspondence table of setting input information of external devices stored in the signal selection unit. In this correspondence table, setting input information in which an output signal corresponding to the operation content of the external apparatus is set in advance, and is associated with the order and combination of inputs from the reading apparatus.

  The correspondence between the setting input information and the order and combination of inputs from the reading device is simple and the order and combination of the reading devices corresponding to the setting input information are simple, considering the ease of input and certainty. Is better and can be selected as appropriate. For example, as shown in Table 1, when the order and combination of inputs from the reading device are 2a, 2b, 2c, and 2d in order, the signal selection unit initializes “item A” of the operation content of the external device. "00000001" which is a digital signal corresponding to "" is selected and output to the output unit. When the order and combination of inputs from the reading device are 2a, 2b, 2c, 2d, and 2a in order, the signal selection unit corresponds to “set item A to 10” of the operation content of the external device. The digital signal “00000011” is selected and output to the output unit. When the order and combination of inputs from the reading device are 2a, 2b, 2c, 2d, and 2b in order, the signal selection unit corresponds to “set item A to 20” of the operation content of the external device. The digital signal “00000101” is selected and output to the output unit. When the order and combination of inputs from the reading device are 2a, 2b, 2c, 2d, and 2c in order, the signal selection unit corresponds to “set item A to 30” of the operation content of the external device. The digital signal “00000101” is selected and output to the output unit. When the order and combination of inputs from the reading device are 2d, 2c, 2b, and 2a in order, the signal selection unit is a digital signal “10000000” corresponding to “end of setting” of the operation content of the external device. "Is selected and output to the output unit.

  The wireless tag 1 may be any wireless tag having an IC chip having a wireless communication function and an antenna for wireless communication. In consideration of durability against impact and wear, the IC chip and the antenna are embedded in resin or the like. Good ones can be used, such as a wireless tag manufactured by integral injection molding, and the dimensions of the tag should be selected as appropriate.

  Next, the input method of the non-contact input device of the present invention will be described.

  FIG. 4 is an explanatory diagram showing an outline of an input method in the non-contact input device of the present invention.

  The input of the non-contact input device of the present invention is performed as follows. The identification information of the user who has permission to use is stored in advance in the wireless tag 1, and the signal selection unit 7 (FIG. 1) stores the identification information input from the reading device and the identification that is permitted to be used in advance. The information input is collated, and only when it matches, the setting input information selection processing of the external device is performed. When the information does not match, the process ends.

  When the collation matches, the signal selection unit continues to obtain information input from the reading device. Next, when the same reading device is continuously input, it is assumed that the input operation of one setting for the external device is completed with the input, and the order and combination of the reading devices up to the reading device that has performed the input are 1 It is input information for making one setting.

  For example, as shown in FIG. 4, the wireless tag 1 is placed at the base point with the cross-shaped crossing portion of the cross-shaped groove connecting the square provided on the tag guide plate and the diagonal inside thereof as the base point.

  Next, according to the movement path 9a, the wireless tag 1 is moved from the base point to the through hole 6a, wirelessly communicates with the reading device 2a, the identification information of the wireless tag 1 is read by the reading device 2a, and is output to the signal selection unit. .

  Next, the wireless tag 1 is moved from the through-hole 6a to the through-hole 6b along the movement path 9b, wirelessly communicates with the reading device 2b, the identification information of the wireless tag 1 is read by the reading device 2b, and the signal selection unit Output.

  Next, according to the movement path 9c, the wireless tag 1 is moved from the through hole 6b to the through hole 6c, wirelessly communicates with the reading device 2c, the identification information of the wireless tag 1 is read by the reading device 2c, and the signal selection unit Output.

  Next, the wireless tag 1 is moved from the through hole 6c to the through hole 6d through the movement path 9d, wireless communication is performed with the reading device 2d, the identification information of the wireless tag 1 is read by the reading device 2d, and the signal selection unit Output.

  Next, as shown in the movement path 10a, the wireless tag 1 is moved from the through hole 6d to the base point, and wireless communication with the wireless tag 1 and any of the reading devices 2a, 2b, 2c, and 2d is impossible. Put it in a state.

  Next, as shown in the movement path 10b, the wireless tag 1 is moved from the base point to the through hole 6d, wirelessly communicates with the reading device 2d, the identification information of the wireless tag 1 is read by the reading device 2d, and is output to the signal selection unit. .

  The signal selection unit compares the identification information input from the reading device 2a with the identification information that is stored in advance and permitted to be used, confirms the match, and continues to the reading device 2b, the reading device 2c, and the reading device. The identification information input from the device 2d is compared with the identification information that has been stored in advance and permitted to be used to confirm the match, and is input as input information for making one setting for the external device. Obtain the order and combination of the reading devices.

  For example, as illustrated in FIG. 4, the signal selection unit sequentially reads “2a → 2b → 2c → 2d” with respect to the input from the reading device 2a, the reading device 2b, the reading device 2c, the reading device 2d, and the reading device 2d. From the correspondence table shown in Table 1, select “initialize item A” of the operation content of the external device, and output “00000001” of the digital signal to the output unit 8 (FIG. 1). .

  With the configuration described above, a non-contact input device that can ensure security and prevent erroneous input to an external device to be used can be obtained.

  As mentioned above, although embodiment of this invention was described, this invention is not restricted to these embodiment, Even if there is a change of a member and a structure in the range which does not deviate from the meaning of this invention, it is contained in this invention. It is. For example, in the above-described embodiment, four reading devices are used. However, such a structure is not necessarily required, and two, three, and five or more devices may be used similarly. Form the embodiment. Further, in the above embodiment, the shape of the groove is a cross-shaped groove connecting a square and the diagonal inside thereof, but it is not always necessary to have such a structure, and the outer shell may be circular. In addition, other shapes such as a letter, a letter B, and the like also form the embodiment of the present invention. In the embodiment, the shape of the opening of the through hole is circular. However, it is not always necessary to have such a structure, and other shapes such as a triangle, a quadrangle, and the like may be used. Form the embodiment. That is, it goes without saying that the present invention also includes various modifications and corrections that would be obvious to those skilled in the art.

DESCRIPTION OF SYMBOLS 1 Wireless tag 2, 2a, 2b, 2c, 2d Reading device 3 Tag guide plate 4 Groove 5 Electric wave shield plate 6a, 6b, 6c, 6d Through-hole 7 Signal selection part 8 Output part 9a, 9b, 9c, 9d, 10a, 10b Movement path 22 Input section

Claims (4)

  The wireless tag includes a wireless contact and a contactless input interface that obtains information of the wireless tag through wireless communication. The contactless input interface is input with an input unit having a plurality of wireless tag readers. A signal selection unit having a function of comparing information and information stored in advance, and a function of selecting one signal from a predetermined signal group according to the input information; A non-contact type input device having an output unit for outputting to a device, wherein user identification information is stored in advance in the wireless tag, and wireless communication is performed by holding the wireless tag over the reader in a predetermined order. And reading the identification information from the wireless tag by the reading device, and information on the order and combination of the read identification information and the reading device from which the identification information has been read from the wireless tag. To the signal selection unit, the user selection identification of the user and selection of the setting input signal of the external device are performed by the signal selection unit, and the setting input signal is output to the external device via the output unit. A non-contact type input device.   The input unit includes a radio wave shield plate having the same number of through holes as the reading device, and the radio wave shield plate is placed in the through hole so as to overlap the radio wave shield plate, and the through hole is opened during wireless communication. The non-contact type input device according to claim 1, wherein a communicable region of the reading device is limited by an area of a part.   The input unit includes a tag guide plate having a groove partially overlapping with the through hole, the surface of the tag guide plate opposite to the side where the groove is provided, and the side opposite to the side where the reading device is provided The non-contact type input device according to claim 2, wherein the radio wave shield plate is provided so as to overlap, and the wireless tag is moved along the groove and conveyed to the communicable region.   The tag guide plate includes a rectangular groove formed by four grooves on one surface, and a cross-shaped groove formed by two grooves connecting diagonals inside the rectangular groove. 4. The non-contact type input device according to claim 3, wherein the through-hole and the reading device are arranged in a pair at a position on the surface where each of the square grooves overlaps in the vicinity of each inner angle.

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