JP2010200254A - Handle device for living body communication, door with the same, and housing device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To stably execute living body communication when executing the living body communication via a handle. <P>SOLUTION: This handle device 40 for living body communication that is attachable to a door includes a handle part 42 and a first electrode plate 44. The handle part 42 includes a separate conductive part 42a formed with a conductive member and arranged in a state spaced from a principal surface of the door. The first electrode plate 44 is electrically connected to the separate conductive part 42a, and arranged along the principal surface of the door 12 in a state spaced from the separate conductive part 42a. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a technique for authenticating unlocking authority and the like using inter-vivo communication.

  Conventionally, as this kind of technology, there is one disclosed in Patent Document 1.

  Patent Document 1 discloses an authentication system including a terminal device possessed by a person and an authentication lock device incorporated in an entrance door or a cabinet door. Further, it is disclosed that a handle attached to a door such as a cabinet is used as an electrode for communication in an authentication lock device.

  Then, when a person touches the handle of a door such as a cabinet while holding the human body communication terminal device, human body communication is performed between the human body communication terminal device and the authentication lock device via the human body and the handle. . Predetermined authentication processing is performed using this human body communication, and when it is determined that the user has authority to use the door, the door of the cabinet or the door of the cabinet is unlocked.

JP 2008-283480 A

  By the way, the doors of the cabinet or the like are usually formed entirely or partially of metal or the like, and act as a kind of ground. For this reason, when the handle as described above is used as an electrode for communication, the handle is attached to the door while being electrically insulated from the door.

  However, even if the handle is attached in a state of being electrically insulated from the door as described above, the handle is attached in a state close to the door to some extent, so depending on how to grip the handle by a human hand, The handle is capacitively coupled to the door, or the capacitive coupling state is changed. For this reason, the human body communication using the handle as an electrode becomes unstable, and further, the authentication operation using the inter-biological communication becomes unstable.

  In view of the above, an object of the present invention is to enable stable inter-biological communication when performing inter-biological communication via a handle.

  In order to solve the above-described problem, the biological communication handle device according to the first aspect is a biological communication handle device that can be attached to a door, and is formed of a conductive member and from the main surface of the door. A handle portion having a spaced conductive portion disposed in a spaced state; and the door electrically connected to the spaced conductive portion and spaced from the spaced conductive portion of the handle portion. And a first electrode plate disposed along the main surface.

  The biological communication handle device according to the second aspect is the biological communication handle device according to the first aspect, and is arranged opposite to the opposite side of the handle portion with respect to the first electrode plate. And a second electrode plate provided.

  The biological communication handle device according to the third aspect is the biological communication handle device according to the second aspect, and includes a resonance circuit together with a capacitor constituted by the first electrode plate and the second electrode plate. And a circuit board on which a circuit for forming is formed.

  The biological communication handle device according to a fourth aspect is the biological communication handle device according to any one of the first to third aspects, further comprising a base plate attachable to the door, A handle portion is fixed to the base plate.

  The door with the handle device for living body communication according to the fifth aspect includes a handle device for living body communication according to any one of the first to fourth aspects, and a door to which the handle device for living body communication is attached. , Are provided.

  A storage device according to a sixth aspect includes a biological communication handle device according to any one of the first to fourth aspects, a storage main body having an open storage space, and the biological communication handle device. And a door that is attached and covers the opening of the storage main body so as to be openable and closable.

  According to the biological communication handle device according to the first aspect, the separated conductive portion of the handle portion and the first electrode plate disposed with a space therebetween function as one conductor, and therefore the handle for the door The capacitive coupling state of the part is difficult to change. For this reason, when performing communication between living bodies via a handle, living body communication can be performed stably.

  According to the handle device for inter-vivo communication according to the second aspect, a characteristically stable capacitor can be configured by the first electrode plate and the second electrode plate connected to the separated conductive portion of the handle portion. . By configuring a resonance circuit or the like using this capacitor, more stable inter-vivo communication can be performed.

  According to the handle device for living body communication concerning the 3rd mode, the function as an electrode part and its resonance circuit are built into handle device itself. For this reason, the system construction for this living body communication becomes easy.

  According to the 4th aspect, since a handle part is attached to a door via a base plate, a handle part can be attached to a door as firmly as possible.

  According to the door with the handle device for inter-vivo communication according to the fifth aspect, the separated conductive portion of the handle portion of the handle device and the first electrode plate disposed with a space therebetween function as one conductor. Therefore, the capacitive coupling state of the handle portion with respect to the door is unlikely to change. For this reason, when performing communication between living bodies via a handle, living body communication can be performed stably.

  According to the storage device of the sixth aspect, since the separated conductive portion of the handle portion of the handle device and the first electrode plate disposed with a space therebetween function as one conductor, the handle portion for the door The capacitance coupling state of the is difficult to change. For this reason, when performing communication between living bodies via a handle, living body communication can be performed stably.

It is explanatory drawing which shows the whole schematic structure of the authentication system which concerns on embodiment. It is a block diagram which shows the electric constitution of a biomedical communication terminal device. It is a flowchart which shows the example of authentication operation | movement by an authentication control part. It is a block diagram which shows the electric constitution of an authentication locking device. It is a flowchart which shows operation | movement of an authentication lock control part. It is a front view which shows a handle apparatus. It is the VII-VII sectional view taken on the line of FIG.

  Hereinafter, the handle device for living body communication, the door with the handle device for living body communication, and the storage device according to the embodiment will be described.

<1. Overall configuration>
First, the entire configuration of an authentication system to which the present inter-vivo communication handle device, the door with the inter-biological communication handle device and the storage device are applied will be described. FIG. 1 is an explanatory diagram showing an overall schematic configuration of the authentication system.

  This authentication system is a system that performs authentication related to locking and unlocking of the door 12, and includes an inter-vivo communication terminal device 20 and an authentication lock device 30.

  The door 12 may be a member that partitions various spaces from the outside, such as a door attached to a cabinet or the like, or a door attached to a room or a building entrance. Here, an example in which the cabinet 10 with a door is assumed as a storage device will be described.

  The cabinet 10 with a door includes a storage main body 11 having a storage space in which documents and the like can be stored. The storage space is open on one side (front side) of the cabinet 10 with a door. Moreover, the said opening of the cabinet 10 with a door is covered by the door 12 so that opening and closing is possible. And in the state which closed the door 12, the taking in / out of the storage thing in the cabinet 10 with a door is restrict | limited, and in the state which opened the door 12, it will be in the state in which the storage in the cabinet 10 with a door can be taken in and out.

  The inter-biological communication terminal device 20 is given to the user P of this system, and the authentication lock device 30 is attached to the cabinet 10. Schematically, when the user P holds the living body communication terminal device 20 and touches the handle portion 42 (described later) of the standing door 12 in front of the door 12 of the cabinet 10, the authentication lock device 30 moves between the living body. Biological communication is performed with the communication terminal device 20 to determine whether or not the usage authority exists, and when it is determined that the usage authority exists, the door 12 is switched to the unlocked state. As a result, the authorized user P can use the cabinet 10 by opening the door 12.

  FIG. 2 is a block diagram showing an electrical configuration of the inter-vivo communication terminal device 20. As shown in FIGS. 1 and 2, the inter-vivo communication terminal device 20 is configured to perform inter-vivo communication with the authentication lock device 30 so as to execute an authentication process, and the electrode unit 22 and the resonance circuit 23 are configured. A transmission circuit 24, a reception circuit 25, and an authentication control unit 26.

  The electrode portion 22 has two flat members (hereinafter referred to as conductive plates) arranged to face each other with a certain gap. Both conductive plates are capacitively coupled to each other by electric charges moving through the gaps between them. The inter-vivo communication terminal device 20 is held with respect to the human body P such that one conductive plate faces the human body and the other conductive plate faces the outside. Then, one of the conductive plates is capacitively coupled to the human body via the stray capacitance, whereby the electrode portion 22 and the human body are electrically connected. Further, the other conductive plate is capacitively coupled to earth ground or the like via a stray capacitance, whereby the electrode portion 22 and the earth or the like are electrically connected. As a result, the human body P and the ground are electrically connected, and inter-body communication is performed using this characteristic.

  The electrode unit 22 is connected to the transmission circuit 24 and the reception circuit 25 via the resonance circuit 23. The transmission circuit 24 and the reception circuit 25 are connected to the authentication control unit 26, respectively.

  When a signal received by the electrode unit 22 is input to the resonance circuit 23, a signal having a predetermined frequency component of a carrier wave used for inter-body communication is extracted from the signal by the resonance circuit 23, and the reception circuit 25 receives the signal. Entered. The receiving circuit 25 includes a demodulating circuit, an amplifying circuit, and the like, and demodulates and amplifies the signal input from the resonant circuit 23 and supplies the signal to the authentication control unit 26.

  The transmission circuit 24 includes a modulation circuit, an amplification circuit, and the like. The transmission circuit 24 modulates and amplifies a signal supplied from the authentication control unit 26 and sends the processed signal to the electrode unit 22 via the resonance circuit 23. Output.

  The authentication control unit 26 is configured by a general microcomputer including a CPU, a ROM, a RAM, and the like. The authentication control unit 26 performs an arithmetic operation using a software program stored in advance and executes processing described later. The authentication control unit 26 has a storage unit 26a composed of a rewritable nonvolatile memory such as a flash memory or a non-rewritable memory, and a personal identification ID or the like is stored in advance in the storage unit 26a. ing.

  The authentication control unit 26 performs a predetermined authentication process by performing inter-biological communication via the electrode unit 22. FIG. 3 is a flowchart showing an example of the authentication operation performed by the authentication control unit 26. That is, the authentication control unit 26 is activated when a signal from the authentication lock device 30 is input, and executes authentication processing. In step S <b> 1 after activation, biometric communication is performed with the authentication lock device 30, which is an external device, and it is determined whether the signal from the authentication lock device 30 includes a request for reading the personal identification ID. . Here, if it is determined that the read request is not included, the process of step S1 is repeated. If another command that is not a read request is given from an external device, processing according to the command may be performed.

  If it is determined in step S1 that a read request is included, the process proceeds to step S2. In step S2, the personal identification ID of the user is read from the storage unit 26a and transmitted to the outside through inter-vivo communication, and the process ends. Thereby, the authentication lock device 30 can acquire the personal identification ID of the inter-vivo communication terminal device 20 that performed inter-biological communication.

  The circuits constituting the resonance circuit 23, the transmission circuit 24, the reception circuit 25, and the authentication control unit 26 are formed on a predetermined mounting board, and this mounting board is held in a holder (not shown). . An annular string member 28 is connected to the holder. By arranging the string member 28 around the neck of the human body P, the inter-body communication terminal device 20 is supported in a state of hanging from the neck (see FIG. 1). Moreover, the electrode part 22 is drawn out from the mounting substrate via a predetermined wiring, and is provided at a position where it can be placed close to the human body. For example, the electrode part 22 is provided in the middle in the longitudinal direction of the string member 28 via an electric wire drawn from the mounting substrate.

  However, the configuration in which the human body P has the inter-body communication terminal device 20 is not limited to the above example, and may be a configuration such as a bracelet or a configuration that is attached to clothes with a clip or the like.

  FIG. 4 is a block diagram showing an electrical configuration of the authentication lock device 30. FIG. 4 conceptually shows a communication path when communication is established between the inter-vivo communication terminal device 20 and the authentication lock device 30.

  The authentication lock device 30 includes a handle device 40 for biological communication, a transmission / reception unit 32, an authentication lock control unit 36, and an electric lock 38.

  The handle device 40 includes a handle portion 42 that functions as an electrode portion for inter-vivo communication, a first electrode plate 44 that is electrically connected to the handle portion 42, and a first electrode plate 44 that is opposed to the first electrode plate 44. The second electrode plate 48 and the circuit board 52 are provided. The handle portion 42 is provided on the front surface of the door 12 and is a portion that can be manually gripped when the door 12 is opened and closed. A capacitor 50 is formed by the first electrode plate 44 and the second electrode plate 48 that are electrically connected to the handle portion 42. The circuit board 52 is a board on which an inductor 52 a and the like are mounted, and is electrically connected to the capacitor 50. The circuit board 52 and the capacitor 50 constitute a resonance circuit 54 that emphasizes and extracts a signal component of a predetermined frequency component of a carrier wave used for inter-vivo communication. The resonance circuit 54 may be a circuit that resonates with a configuration having at least one capacitor 50, such as a series resonance circuit or a parallel resonance circuit.

  The handle device 40 will be described later.

  The handle device 40 is connected to the authentication lock control unit 36 via the transmission / reception unit 32. The authentication lock control unit 36 is connected to an electric lock 38.

  The transmission / reception unit 32 includes a transmission circuit 33 and a reception circuit 34. The transmission circuit 33 includes a modulation circuit, an amplification circuit, and the like, modulates and amplifies the signal supplied from the authentication lock control unit 36, and outputs the processed signal to the handle device 40. The receiving circuit 34 has a demodulating circuit, an amplifying circuit, and the like, and demodulates and amplifies a signal received through the handle device 40 and gives it to the authentication lock control unit 36.

  The authentication lock control unit 36 is configured by a general microcomputer including a CPU, a ROM, a RAM, and the like, and performs an arithmetic operation using a software program stored in advance to execute processing to be described later. The authentication lock control unit 36 has a storage unit 36a composed of a rewritable non-volatile memory such as a flash memory or a non-rewritable memory, and the personal identification ID and the use are stored in the storage unit 36a in advance. Authentication information in which the presence / absence of authority is associated is stored.

  The authentication lock control unit 36 performs biometric communication with the biomedical communication terminal device 20 via the transmission / reception unit 32 and the handle device 40 to execute a predetermined authentication process. The authentication lock control unit 36 controls the locking / unlocking operation of the electric lock 38 via a predetermined drive circuit.

  In addition, the transmission / reception unit 32 and the authentication lock control unit 36 are usually incorporated in appropriate parts in the cabinet 10 or outside.

  The electric lock 38 is integrally incorporated in the door 12, and includes an actuator constituted by a motor, an electromagnetic planer, or the like, and a lock mechanism capable of switching the door 12 to a locked or unlocked state in response to the operation of the actuator. have. Such a locking mechanism can be realized by various configurations including well-known techniques applied to various electronic locking devices, and therefore description thereof is omitted here.

  When the human body P carrying the inter-vivo communication terminal device 20 touches the handle portion 42, the inter-biological communication terminal device 20 is electrically connected to the handle portion 42 that is an electrode through the human body P that is a living body. In this state, the inter-body communication terminal device 20 and the authentication lock control unit 36 are capacitively coupled to a ground such as a metal wall, a floor surface, or the ground by a stray capacitance. Thereby, between the living body communication terminal device 20 and the authentication lock device 30, the living body P that is a living body is used as a route, and the living body communication becomes possible.

  FIG. 5 is a flowchart showing the operation of the authentication lock control unit 36. In the initial state, the electric lock 38 is maintained in a locked state.

  First, after the processing is started, the authentication lock control unit 36 transmits an activation signal through the handle unit 42 in step S11. The activation signal may be transmitted constantly or intermittently.

  Here, when the activation signal is received by the inter-biological communication terminal device 20 and the inter-biological communication terminal device 20 is activated, the personal identification ID is transmitted from the inter-biological communication terminal device 20.

  In the next step S12, it is determined whether or not a personal identification ID has been received by inter-body communication. If it is determined that there is no reception, the process is terminated and the locked state is maintained. On the other hand, if it is determined that there is reception, the process proceeds to the next step S13.

  In step S13, it is determined whether or not the authentication is successful based on the received personal identification ID and the authentication information stored in the storage unit 36a. In the case of failure, that is, when no use authority is associated with the received personal identification ID, the process is terminated and the locked state is maintained. On the other hand, if the authentication is successful, that is, if the received personal identification ID is associated with the use authority, the process proceeds to the next step S14.

  In step S14, the authentication lock control unit 36 causes the electric lock 38 to perform an unlocking operation. As a result, the door 12 is unlocked, and the user can use the door 12 by opening the door 12.

<2. About the handle device>
The handle device 40 will be described. 6 is a front view showing the handle device 40, and FIG. 7 is a sectional view taken along line VII-VII in FIG. In each drawing, there is a part drawn exaggerated for easy understanding.

  The handle device 40 is configured to be attachable to the door 12, and includes a handle portion 42, a first electrode plate 44, an insulating plate 46, a second electrode plate 48, a circuit board 52, and a base plate 56.

  The handle portion 42 includes a spaced conductive portion 42 a that is formed of a conductive member and disposed in a state spaced from the main surface of the door 12. Here, the handle portion 42 is formed in a substantially U shape by a conductive rod-shaped member such as metal, and the whole is a conductive portion. And the substantially linear part of the intermediate part of the longitudinal direction among this handle part 42 is set as the separated electroconductive part 42a. Screw holes 42S into which screws S2 can be screwed are formed at both ends of the handle portion 42. The handle portion 42 is attached and fixed to the door 12 via the base plate 56 as described later.

  However, the entire handle portion does not need to be formed by the conductive member, the middle portion in the longitudinal direction of the substantially U-shaped portion of the handle portion is formed by the conductive member, and both end portions thereof are formed by the non-conductive member. It may be. Moreover, the outer periphery of the handle part may be covered with a thin non-conductive member such as a resin sheet, and in this case, the non-conductive part may be covered with a thin non-conductive member. Further, the handle portion is formed in a substantially L shape, and one end portion thereof is attached and fixed to the door 12, and the other end side portion is disposed at a position spaced from the main surface of the door 12. May be. In short, the handle portion has a portion disposed with a space from the main surface of the door 12, and the portion only needs to be formed of a conductive member. It is preferable that the part arrange | positioned at intervals with respect to the main surface of the door 12 among handle parts is a rod-shaped part arrange | positioned in the substantially parallel attitude | position with respect to the main surface of the said door 12. FIG.

  The first electrode plate 44 is a member formed of a conductive plate material such as a metal plate (for example, an aluminum plate). The first electrode plate 44 is electrically connected to the separated conductive portion 42a of the handle portion 42, and is separated from the separated conductive portion 42a. It is comprised so that arrangement | positioning is possible along the main surface of the said door 12 in the state which left the space | interval. Here, the first conductive plate 44 is formed in a long plate shape larger than the projection region of the handle portion 42 with respect to the door 12. The first electrode plate 44 is formed with screw insertion holes 44S through which the screws S2 can be inserted at positions corresponding to the screw holes 42S formed at both ends of the handle portion 42.

  The second electrode plate 48 is configured to be opposed to the first electrode plate 44 with an interval on the opposite side of the handle portion 42. Here, the second electrode plate 48 is a member formed of a conductive plate material such as a metal plate (for example, an aluminum plate), and is formed in a long plate shape substantially the same size as the first electrode plate 44. Yes. The second electrode plate 48 does not necessarily have the same size as the first electrode plate 44. Further, at both ends of the second electrode plate 48, screw insertion holes 48S through which the screws S2 can be inserted are formed at positions corresponding to the screw holes 42S formed at both ends of the handle portion 42. The screw insertion hole 48S is formed in a hole larger than the diameter of the screw S2 to such an extent that the screw S2 can be inserted without contacting the screw S2.

  The insulating plate 46 is a plate-like member formed of a resin plate (for example, a polyacetal plate having a dielectric constant of 3.7) or the like. The insulating plate 46 is formed as a long plate member having substantially the same size as the first electrode plate 44 and the second electrode plate 48. And it is arrange | positioned so that it may be pinched | interposed between the 1st electrode plate 44 and the 2nd electrode plate 48, and while fulfilling the non-contact state, it plays the role as a capacitor dielectric interposed between them. . Further, at both ends of the insulating plate 46, screw insertion holes 46S into which the screws S2 can be inserted are formed at positions corresponding to the screw holes 42S formed at both ends of the handle portion 42.

  By laminating the first electrode plate 44, the insulating plate 46, and the second electrode plate 48 in this order, a kind of capacitor 50 is formed.

  The first electrode plate 44, the insulating plate 46, and the second electrode plate 48 are not necessarily the same size. For example, the insulating plate 46, the second electrode plate 48, etc. are formed larger than the others. May be. That is, the first electrode plate 44, the insulating plate 46, and the second electrode plate 48 may constitute a kind of capacitor. Further, instead of the insulating plate 46, an insulating film formed on both or one of the first electrode plate 44 and the second electrode plate 48 may be used. Further, the insulating plate 46 may be omitted if the non-contact state between the first electrode plate 44 and the second electrode plate 48 can be maintained by a holding structure by a base plate 56 described later.

  As described above, the circuit board 52 is a mounting board electrically connected to the capacitor 50, and an electric circuit for forming a predetermined resonance circuit 54 is formed together with the capacitor 50. An example of the connection configuration between the circuit board 52 and the capacitor 50 will be described later. Here, the circuit board 52 is a board smaller than the first electrode plate 44, the insulating plate 46, and the second electrode plate 48.

  The base plate 56 is formed of an insulating member such as resin and is formed in a plate shape. The base plate 56 is entirely non-conductive, and is formed in a long plate shape that is sufficiently larger than the first electrode plate 44. One main surface of the base plate 56 is formed into a flat surface, and screw insertion holes 56ha through which the screws S1 are inserted are formed at both ends of the base plate 56. Then, with the flat surface of the base plate 56 in surface contact with the main surface of the door 12, the screw S1 is inserted into the screw insertion hole 56ha, and a nut or the like is screwed into the screw S1 on the inner surface side of the door 12. By doing so, the base plate 56 is fixed to the door 12.

  An accommodation recess 57 is formed on the other main surface of the base plate 56, and a substrate accommodation recess 57 a is formed at the bottom of the accommodation recess 57. The housing recess 57 is formed in a concave shape having a width and a depth that can accommodate the laminate of the first electrode plate 44, the insulating plate 46, and the second electrode plate 48. 52 is formed in a concave shape having a width and a depth dimension capable of accommodating 52. In addition, screw insertion holes 56hb through which screws S2 for fixing the handle portion 42 are inserted are formed at both ends of the portion of the base plate 56 where the accommodating recess 57 is formed.

  The circuit board 52 is accommodated in the substrate accommodating recess 57 a, and the laminate of the first electrode plate 44, the insulating plate 46, and the second electrode plate 48 is accommodated in the accommodating recess 57. Further, in a state in which both end portions of the handle portion 42 are disposed so as to contact the peripheral edge portion of the screw insertion hole 44S in the first electrode plate 44, the screw S2 is formed from one flat main surface side of the base plate 56, The screw insertion hole 56hb, the screw insertion hole 48S, the screw insertion hole 46S, and the screw insertion hole 44S are threaded and fastened to the screw holes 42S at both ends of the handle portion 42. Then, the handle portion 42 is fixed to the base plate 56, and the laminated body of the first electrode plate 44, the insulating plate 46, and the second electrode plate 48 is interposed between the base plate 56 and both ends of the handle portion 42. It is held in a fixed position while being sandwiched. In this state, the handle portion 42 is electrically connected to the first electrode plate 44 by contacting both ends of the handle portion 42 with the first electrode plate 44 at the peripheral edge of the screw insertion hole 44S. Further, the screw part S2 is screwed into the screw hole 42S at both ends of the handle part 42, so that the handle part 42 and the screw S2 are also electrically connected.

  The circuit board 52 is electrically connected to the second electrode plate 48 by a separate wiring 53a. The circuit board 52 is electrically connected to the screw S2 by a separate wiring 53b, and is also electrically connected to the handle portion 42 by the wiring material 53b and the screw S2. The circuit board 52 can also be connected to an external transmission / reception unit 32 via a separate wiring 53c.

  In addition, the structure which electrically connects the handle part 42 and the 1st electrode plate 44 is not restricted to the said example, You may electrically connect both by another wiring.

  Then, the handle device 40 is attached to the door 12 using the screw S1 as described above, whereby the door 12 with the handle device 40 or the cabinet with a door (storage device) 10 with the handle device 40 is manufactured. It will be. In addition, the door 12 is preferably formed with a hole in which the screw head of the screw S2 can be disposed, and electrical contact between the door 12 and the screw S2 is avoided.

  According to the handle device 40 for living body communication configured as described above and the door 12 or the cabinet 10 with such a handle device 40, the spaced conductive portions 42a of the handle portion 42 are spaced apart from each other. Since the first electrode plate 44 arranged in this manner functions as one conductor, the capacitive coupling state of the handle portion 42 with respect to the door 12 is unlikely to change. In other words, even if there is a manpower between the handle portion 42 and the door 12 by the hand gripping the handle portion 42, the first electrode plate 44 and the second electrode plate 48 are formed. The capacitance of the capacitor is not significantly affected. For this reason, when the handle part 42 is used as an electrode for living body communication and the living body communication is performed via the handle part 42, the living body communication can be stably performed.

  In addition, the first electrode plate 44 and the second electrode plate 48 connected to the separated conductive portion 42a of the handle portion 42 are disposed to face each other with a gap therebetween, and other dielectrics such as a manpower are disposed between the two. The body does not enter. For this reason, the capacitor 50 stable in characteristics can be configured. By configuring a resonance circuit or the like using this capacitor 50, more stable inter-vivo communication can be performed.

  In addition, since the capacitor is formed by the first electrode plate 44 electrically connected to the first electrode plate 44 and the second electrode plate 48 opposed thereto, the capacitance of the capacitor can be increased. As a result, when performing inter-biological communication via a living body, it is possible to reduce the influence of the capacity difference caused by the difference between the living bodies as much as possible. From this point, the inter-biological communication can be performed stably. Become.

  Further, the circuit board 52 for forming the resonance circuit 23 may be provided in a place different from the handle device 40. That is, it is only necessary that a capacitor can be formed between the first electrode plate 44 electrically connected to the separated conductive portion 42a of the handle portion 42 and any electrode plate facing the first electrode plate 44.

  Further, since the handle device 40 itself has a function as an inter-biological communication electrode and a function as the resonance circuit 23, the input / output of the handle device 40 is connected to the transmission / reception unit 32, thereby An authentication system using inter-communication can be easily constructed.

  Moreover, since the handle part 42 is attached to the door 12 through the base plate 56, the handle part 42 can be attached to the door 12 as firmly as possible.

<3. Modification>
Although the handle device for inter-vivo communication and the door 12 with the handle device or the storage device with the door have been described in detail as described above, the above description is merely an example in all aspects. Thus, the present invention is not limited to this. Many modifications and changes can be made within the scope of the present invention, and countless variations not illustrated can be envisaged without departing from the scope of the present invention.

  For example, in the above embodiment, the second electrode plate 48 is not essential. For example, the first electrode plate 44 is attached to the door 12 made of metal or the like so as to be spaced via an insulating plate or the like, and a capacitor is formed between the first electrode plate 44 and the door 12. You may do it.

  Further, the base plate 56 may be omitted, and the handle portion 42 may be directly fixed to the door 12. In this case, an insulating member may be interposed between the base end portion of the handle portion 42 and the door 12.

DESCRIPTION OF SYMBOLS 10 Cabinet with door 11 Storage main body part 12 Door 40 Handle apparatus 42 Handle part 42a Separation conductive part 44 1st electrode plate 46 Insulation plate 48 2nd electrode plate 50 Capacitor 52 Circuit board 54 Resonance circuit 56 Base plate

Claims (6)

A handle device for inter-vivo communication that can be attached to a door,
A handle having a spaced apart conductive portion formed by a conductive member and disposed in a state spaced from the main surface of the door;
A first electrode plate electrically connected to the spaced apart conductive portion and disposed along the main surface of the door in a state spaced from the spaced apart conductive portion of the handle portion;
A handle device for communication between living bodies. The handle device for inter-vivo communication according to claim 1,
A second electrode plate disposed opposite to the handle portion with respect to the first electrode plate;
A handle device for inter-vivo communication further comprising: A handle device for inter-vivo communication according to claim 2,
A handle device for inter-vivo communication, further comprising a circuit board on which a circuit for forming a resonance circuit is formed together with a capacitor composed of the first electrode plate and the second electrode plate. It is a handle apparatus for living body communications given in any 1 paragraph of Claims 1-3,
A base plate attachable to the door;
A handle device for inter-vivo communication, wherein the handle portion is fixed to the base plate. The handle device for inter-vivo communication according to any one of claims 1 to 4,
A door to which the inter-vivo communication handle device is attached;
A door with a handle device for communication between living bodies. The handle device for inter-vivo communication according to any one of claims 1 to 4,
A storage body having an open storage space;
The door to which the inter-vivo communication handle device is attached and covers the opening of the storage main body so as to be openable and closable;
A storage device comprising:

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