JP2009224892A - Control system, elevator control system, and display article security system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To control a switch without installing the switch to a wall surface in a control system using electric field communication. <P>SOLUTION: The control system using the electric field communication includes a transmitter 1 for transmitting information via an electric field transmission medium, a receiver 3 for receiving the information transmitted by the transmitter 1, and a controller 5 connected to the receiver 3. To the transmitter 1, a transmission electrode 2 embedded in a wall or a floor is connected. To the receiver 3, a reception electrode 4 embedded in a wall or a floor is connected. The transmitter 1 transmits signals to the receiver 3 when a user as an electric field transmission medium simultaneously comes into contact with the transmission electrode 2 and the reception electrode 4 via the wall or the floor. When receiving the signals, the receiver 3 outputs the signals to the controller 5, and the controller 5 performs control to a prescribed device at timing of receiving the signals from the receiver 3. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a control technique using electric field communication in which an electric field based on information to be transmitted is induced in an electric field transmission medium, and the induced electric field is detected to transmit / receive information.

  Although wearable computers are attracting attention due to the miniaturization and high performance of portable terminals, FIG. 11 shows an example in which such wearable computers are worn and used by humans. As shown in the figure, the wearable computer 7 is mounted on a person's arm, shoulder, torso, etc. via a transceiver 9 to transmit / receive data to / from each other, and is further provided on the wall or floor so that it can be touched by the tip of a limb Communication is performed with a personal computer (PC) 8 provided outside through the transceivers 9a and 9b and the cables.

Here, the transceiver 9 used for data communication between the wearable computer 7 and between the wearable computer 7 and the personal computer 8 uses an electric field signal detection technique, and generates an electric field based on information to be transmitted. It is induced in a living body as a transmission medium, and information is transmitted and received using the induced electric field. The transceiver 9 is described in Patent Document 1 and Patent Document 2.
JP 2001-352298 A JP 2006-081111 A

  By the way, various switches such as electric lights and elevators are generally installed on a wall. The switch has a certain thickness in its configuration and is attached to the wall surface. Such a switch may be a major restriction or obstacle in terms of design or appearance in a space that places importance on the interior. For example, when a decorative wall is processed and a switch is installed, the unity of design may be lost and the appearance may deteriorate.

  The present invention has been made to solve the above-described problems, and an object of the present invention is to perform switch control without installing a switch on a wall surface using electric field communication in which information is transmitted and received through an electric field transmission medium. And

  In order to achieve the above object, the present invention is a control system using electric field communication that communicates via an electric field transmission medium, and induces an electric field based on information to be transmitted in the electric field transmission medium to transmit information. A transmitter, a receiver that detects an electric field induced in the electric field transmission medium and receives information transmitted by the transmitter, and a control device connected to the receiver, the transmitter includes: A transmitter electrode embedded in a wall or floor is connected, and a receiver electrode embedded in a wall or floor is connected to the receiver, and the transmitter is a user who is an electric field transmission medium. When a communication path between the transmitter and the receiver is established by simultaneously contacting electrodes through a wall or floor, a signal is transmitted to the receiver, and the receiver transmits the signal to the receiver. When the signal is received, the control device Output to the control device, at the timing of receiving the signal from the receiver, and summarized in that for controlling for a given device.

  Further, the present invention is an elevator control system using electric field communication that communicates via an electric field transmission medium, a transmitter that induces an electric field based on information to be transmitted in the electric field transmission medium, and transmits information; A receiver for detecting an electric field induced in an electric field transmission medium and receiving information transmitted by the transmitter; and a control device connected to the receiver; and the transmitter includes a wall or a floor. An embedded transmitting electrode is connected, and the receiver is connected to a receiving electrode embedded in a wall or a floor, and the transmitter is configured such that a user who is an electric field transmission medium places the transmitting electrode and the receiving electrode on the wall. Alternatively, when a communication path is established between the transmitter and the receiver by simultaneously contacting through the floor, a signal is transmitted to the receiver, and when the receiver receives the signal, Output signal to the controller The controller, at the timing of receiving the signal from the receiver, and subject matter to perform a control for raising and lowering the elevator.

  In addition, the present invention is an exhibition crime prevention system using electric field communication that communicates through an electric field transmission medium, and a transmitter that induces an electric field based on information to be transmitted in the electric field transmission medium and transmits information. A receiver for detecting information transmitted from the transmitter by detecting an electric field induced in the electric field transmission medium, and a control device connected to the receiver, the transmitter including a wall or a floor The transmitting electrode embedded in the wall is connected to the receiver, the receiving electrode embedded in the wall or floor is connected to the receiver, and the exhibit touches the wall or floor in which the transmitting electrode or the receiving electrode is embedded. When the user who is exhibited and is an electric field transmission medium touches the exhibit, the transmitting electrode and the receiving electrode are simultaneously brought into contact with each other through a wall or a floor, and communication between the transmitter and the receiver is performed. Once the path is established, The receiver transmits a signal to the receiver, and when the receiver receives the signal, the receiver outputs the signal to the control device, and the control device receives the signal from the receiver. The gist is to activate the security device.

  According to the present invention, in a control system using electric field communication that transmits and receives information through an electric field transmission medium, switch control can be performed without installing a switch on the wall surface.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  FIG. 1 is a diagram showing a basic configuration of a control system according to an embodiment of the present invention. This control system controls various drive devices using electric field communication that transmits and receives information via an electric field transmission medium.

  The illustrated control system includes a transmission electrode 2 embedded under the decorative floor 71, a transmitter 1 connected to the transmission electrode 2, a reception electrode 4 installed on the back surface of the decorative wall 72, and a reception electrode 4. It has a connected receiver 3, a control device 5 connected to the receiver 3, and various drive devices 6.

  When the user stands on the transmission electrode 2 through the decorative floor 71 and contacts the reception electrode 4 through the decorative wall 72, the transmission electrode 2, the user's human body as the electric field transmission medium, and the reception electrode 4 The communication path between the transmitter 1 and the receiver 3 is established via The receiver 3 receives a signal transmitted from the transmitter 1 via this communication path, and outputs the received signal to the control device 5.

  The control device 5 controls the drive device 6 by generating predetermined control information (for example, an ON signal, an OFF signal, etc.) using a signal from the transmitter 1 output from the receiver 3 as a trigger. As the driving device 6, for example, an electric lamp, an air conditioner, an emergency button (fire alarm button, a machine emergency stop button, etc.), a door or window opening / closing device, a storage furniture opening / closing switch, and the like can be considered. Specifically, when the drive device 6 is an electric lamp, when the control device 5 receives a signal from the receiver 3, the control device 5 outputs an ON signal or an OFF signal, and turns on or off the electric light. A mark 73 such as a seal indicating the position of the receiving electrode 4 is affixed to the surface of the decorative wall 72.

  FIG. 2 is a schematic configuration diagram of the transmitter 1 of the present embodiment. The transmitter 1 uses an electric field signal detection technique, induces an electric field based on information to be transmitted in a living body which is an electric field transmission medium, and transmits information using the induced electric field. The illustrated transmitter 1 includes a transmitter 101 that constantly transmits a predetermined signal at a predetermined time interval, a control circuit 901, and a transmission unit 902.

  When the transmitter 1 receives the transmission data (signal) of the transmitter 101 via the control circuit 102, the transmitter 1 supplies the transmission data to the transmission electrode 2 via the transmission unit 103 and transmits the electric field via the transmission electrode 2. An electric field is induced in the medium, and this electric field is transmitted to other parts of the electric field transmission medium.

  FIG. 3 is a schematic configuration diagram of the receiver 3 of the present embodiment.

  The illustrated receiver 3 uses an electric field signal detection technique and receives information using an electric field induced in a living body that is an electric field transmission medium. For example, the receiver 3 has a configuration as shown in FIG. 3, and the electric field induced and transmitted by the electric field transmission medium is detected by the receiving electrode 4, and this electric field is coupled to the electric field detection unit 905. Convert to electrical signal. This electric signal is subjected to signal processing such as amplification and noise removal by the signal processing circuit 906, further subjected to waveform shaping by the waveform shaping circuit 907, and output to the control device 5 via the control circuit 901. ing.

  FIG. 4 shows an example of a cross-sectional structure of the control system shown in FIG.

  In the illustrated control system, the transmission electrode 2 is connected to the transmitter 1 by a cable and embedded in a predetermined position on the floor. More specifically, the transmission electrode 2 is installed between a floor building housing 75 (concrete, wood, etc.) and a decorative floor panel 71 (wood, carpet, resin, etc.).

  The receiving electrode 4 is connected to the receiver 3 by a cable and is embedded in a predetermined position on the wall. More specifically, the receiving electrode 4 is installed on the back surface of the decorative wall panel 72 (wood, resin, glass, etc.) and the wall structure 76 (wood, gypsum board, concrete, etc.). A mark seal 73 is attached to the surface of the decorative wall 72 at a position corresponding to the position of the receiving electrode 4. A user standing on the transmission electrode 2 comes into contact with the reception electrode 4 through the decorative wall panel 72 and the wall structure 76 by contacting the seal 73.

  In the control system of this embodiment, the user stands on the transmitting electrode 2 embedded in the floor and touches the mark 73 on the wall (that is, contacts the transmitting electrode 2 and the receiving electrode 4 simultaneously through the wall or the floor). Thus, a communication path between the transmitter 1 and the receiver 3 is established through the user's human body that is an electric field transmission medium. Then, by establishing this communication path, the receiver 3 receives a signal transmitted from the transmitter 1 and outputs it to the control device 5. The control device 5 performs switch control such as ON or OFF with respect to the predetermined drive device 6 at the timing when the signal from the receiver 3 is received.

  Thereby, in this embodiment, without installing switch devices, such as a button, in the decorative wall 72, a user operates a switch by contacting the transmission electrode 2 and the reception electrode 4 simultaneously via a wall or a floor. The same processing can be realized.

  In this embodiment, since the transmission electrode 2 and the reception electrode 4 are embedded in the floor or wall, the transmission electrode 2 and the reception electrode 4 are not visible from the floor upper surface and the wall surface, and the decorative floor and the decorative wall are processed. You don't have to. As a result, in this embodiment, in a space that places importance on the interior, there are no major restrictions or obstacles on the design (appearance) when installing a switch device on the wall surface, greatly improving the degree of freedom of design, Can maintain a sense of unity in design.

  Next, various specific embodiments (application examples) of the control system will be described.

<First Embodiment>
FIG. 5 is an explanatory diagram for explaining a first embodiment in which the control system shown in FIG. 1 is applied to a home elevator.

  The illustrated elevator control system includes a transmitter 1, a transmission electrode 2 connected to the transmitter 1, a receiver 3, a reception electrode 4 connected to the receiver 3, and a control device 5 connected to the receiver. And have. The control device 5 of the present embodiment raises and lowers the elevator at the timing when the signal from the receiver 3 is received. The transmitter 1 and the receiver 3 are the same as those shown in FIGS.

  The transmitting electrode 2 is embedded in the floor in the elevator car, the receiving electrode 4 is embedded in the wall in the elevator car, and the transmitting electrode 2 and the receiving electrode 4 are not visible from the floor top and the wall surface. Further, in the illustrated example, the receiving electrode 4 is extended vertically so that a plurality of users having different heights such as adults, children, and wheelchair users can touch the common receiving electrode 4, and many users' hands are It has come to reach. Moreover, the receiving electrode 4 shall be installed in the back surface of the wooden decorative wall 72 of 15 mm to 22 mm, for example. It is assumed that a mark (seal) indicating the position of the receiving electrode 4 is attached to the decorative wall.

  In this embodiment, the user gets into the elevator car in which the transmission electrode 2 is embedded in the floor and touches the decorative wall 72 at the position where the reception electrode 4 is embedded (that is, the transmission electrode 2 and the reception electrode 4 are walled). Alternatively, a communication path between the transmitter 1 and the receiver 3 is established via the user's human body that is an electric field transmission medium. Then, by establishing this communication path, the receiver 3 receives a signal transmitted from the transmitter 1 and outputs it to the control device 5. The control device 5 moves the elevator up and down or down at the timing when the signal from the receiver 3 is received. For example, the control device 5 raises the elevator to the second floor when the elevator is currently stopped on the first floor, and lowers the elevator to the first floor when the elevator is currently stopped on the second floor.

  Thereby, in this embodiment, without installing an elevator operation switch device such as a button on the wall, the user can operate the elevator by simultaneously contacting the transmission electrode 2 and the reception electrode 4 via the wall or floor. Can do.

  Further, in the present embodiment, the receiving electrode 4 embedded in the wall is greatly expanded vertically so that various users can easily touch it. Thereby, there is no need to install a plurality of switches for each user, such as for adults, children, and wheelchair users, and each user can share one receiving electrode 4.

  In the present embodiment, since the transmission electrode 2 and the reception electrode 4 are embedded in the floor or wall as described in FIG. 4, the transmission electrode 2 and the reception electrode 4 are not visible from the floor upper surface and the wall surface. The decorative floor and the decorative wall need not be processed. As a result, in this embodiment, in a space that places importance on the interior, there are no major restrictions or obstacles on the design (appearance) when installing a switch device on the wall surface, greatly improving the degree of freedom of design, Can maintain a sense of unity in design.

  In the present embodiment, the transmission electrode 2 is embedded in the floor and the reception electrode 4 is embedded in the wall. However, the reception electrode 4 may be embedded in the floor and the transmission electrode 2 may be embedded in the wall. .

<Second Embodiment>
FIG. 6 is an explanatory diagram for explaining a second embodiment in which the control system shown in FIG. 1 is applied to a general-purpose elevator.

  The elevator control system shown in the figure is connected to a plurality of transmitters 1, a transmission electrode 2 connected to each transmitter 1, a receiver 3, a reception electrode 4 connected to the receiver 3, and a receiver. And a control device 5. The control apparatus 5 of this embodiment controls an elevator according to the identification information of the said signal at the timing which received the signal from the receiver 3. FIG.

  The receiving electrode 4 is embedded in the floor of the elevator car, the plurality of transmitting electrodes 2 are embedded in the wall of the elevator car, and the transmitting electrode 2 and the receiving electrode 4 are not visible from the floor top and the wall surface. Moreover, in this embodiment, the transmission electrode 2 is extended vertically so that a plurality of users having different heights such as adults, children, and wheelchair users can touch the common transmission electrode 2. Has arrived. Moreover, each transmission electrode 2 shall be installed in the back surface of the wooden decorative wall 72 of 15 mm to 22 mm, for example.

  Each transmitter 1 of the present embodiment is different from the transmitter 1 shown in FIG. 2 described above in that the transmitter 101 always transmits a signal including identification information (ID) of the transmitter at a predetermined time interval. Others are the same as those of the transmitter 1 shown in FIG. As the identification information, as shown in FIG. 6, for example, information indicating any stop floor (1st floor to nth floor) of the elevator, information indicating opening / closing of the door, and the like can be considered. It is assumed that a mark (seal) indicating the position of each transmission electrode and identification information is attached to the decorative wall. The receiver 3 of the present embodiment is the same as that shown in FIG.

  In the present embodiment, the user gets into the elevator car in which the reception electrode 4 is embedded in the floor and touches the decorative wall 72 at the position where the desired transmission electrode 2 is embedded (that is, any one of the transmission electrodes 2 and By simultaneously contacting the receiving electrode 4 through a wall or a floor), a communication path between the predetermined transmitter 1 and the receiver 3 is established through the user's human body which is an electric field transmission medium. Then, by establishing this communication path, the receiver 3 receives a signal including identification information transmitted from a predetermined transmitter 1 and outputs the signal to the control device 5. The control device 5 controls the elevator according to the identification information included in the signal at the timing when the signal from the receiver 3 is received. For example, when receiving a signal including identification information indicating the second floor, the control device 5 raises or lowers the elevator to the second floor.

  Thereby, in this embodiment, without installing an elevator operation switch device such as a button on the wall, the user can operate the elevator by simultaneously contacting the transmission electrode 2 and the reception electrode 4 via the wall or floor. Can do.

  Further, in the present embodiment, by having a plurality of transmitters 1 and transmission electrodes 2, the user can instruct a desired operation by touching the desired transmission electrode 2. Further, in the present embodiment, as in the first embodiment, each of the plurality of transmission electrodes 2 embedded in the wall is greatly expanded vertically. Thereby, it is not necessary to install a plurality of switches for each user, such as for adults, children, and wheelchair users, and each user can share the transmission electrode 2.

  In the present embodiment, since the transmission electrode 2 and the reception electrode 4 are embedded in the floor or wall as described in FIG. 4, the transmission electrode 2 and the reception electrode 4 are not visible from the floor upper surface and the wall surface. The decorative floor and the decorative wall need not be processed. As a result, in this embodiment, in a space that places importance on the interior, there are no major restrictions or obstacles in the design (appearance) when installing a switch device on the wall surface, greatly improving the degree of freedom of design, Can maintain a sense of unity.

<Third Embodiment>
FIG. 7 is an explanatory diagram for explaining a third embodiment in which the control system shown in FIG. 1 is applied to crime prevention of exhibits such as museums.

  The exhibition security system shown in the figure includes a transmitter 1, a transmission electrode 2 connected to the transmitter 1, a receiver 3, a reception electrode 4 connected to the receiver 3, and a control device connected to the receiver. And 5. The control device 5 of the present embodiment activates the crime prevention device 6 (alarm bell, lighting / camera, abnormality notification device, door / window opening / closing device, etc.) at the timing when the signal from the receiver 3 is received. The transmitter 1 and the receiver 3 are the same as those shown in FIGS.

  In the example shown in the figure, the transmission electrode 2 is embedded under the floor 71 in the vicinity of the exhibit 77 (such as a painting), and the reception electrode 4 is embedded in the back surface of the decorative wall 72 in contact with the display 77. The receiving electrode 4 is not visible from the floor top and wall surface. The reception electrode 4 may be embedded in the floor and the transmission electrode 2 may be embedded in the wall.

  In the exhibit crime prevention system according to the present embodiment, a user (entrance, unauthorized third party, etc.) stands on the transmission electrode 2 embedded in the floor and touches the exhibit 77 displayed on the wall (that is, transmission). By simultaneously contacting the electrode 2 and the receiving electrode 4 via a wall or floor), a communication path between the transmitter 1 and the receiver 3 is established through the user's human body that is an electric field transmission medium. Then, by establishing this communication path, the receiver 3 receives a signal transmitted from the transmitter 1 and outputs it to the control device 5. The control device 5 is a security device such as sounding an alarm bell, turning on a light, operating a security camera, reporting an abnormality to a security center, locking a door / window, etc. at a timing when a signal from the receiver 3 is received. 6 is activated.

  Thereby, in this embodiment, abnormality by having someone touched the exhibit 77 can be detected, and a crime prevention apparatus can be operated quickly.

  In the present embodiment, since the transmission electrode 2 and the reception electrode 4 are embedded in the floor or wall, the transmission electrode 2 and the reception electrode 4 are not visible from the floor upper surface and the wall surface. Thereby, compared with the case where a crime prevention switch etc. are installed in the wall surface, an exhibit can be freely arrange | positioned in an exhibition space and the unified exhibition space can be constructed | assembled.

<Fourth Embodiment>
In the fourth embodiment, the transmission electrode 2 and the reception electrode 4 of the control system shown in FIG. 1 are arranged close to each other.

  FIG. 8 shows an example of the transmission electrode 2 and the reception electrode 4 of the present embodiment. In the example shown in the figure, the transmission electrode 2 and the reception electrode 4 are each formed in a comb shape, and are embedded in a wall close to each other so as to be sandwiched therebetween.

  By arranging the transmission electrode 2 and the reception electrode 4 in this manner, the transmission electrode 2 and the reception electrode 4 can be simultaneously contacted with each other through a wall or a floor with hands or clothes. Thereby, the communication path between the transmitter 1 and the receiver 3 is established through the user's human body (in the illustrated example, the hand) that is the electric field transmission medium. The signal transmitted by the transmitter 1 is received and output to the control device 5. The control device 5 performs switch control such as ON or OFF with respect to the predetermined drive device 6 at the timing when the signal from the receiver 3 is received.

  As shown in FIG. 8, by embedding the transmitting electrode 2 and the receiving electrode 4 close to each other in the wall, it is not necessary to embed the transmitting electrode 2 or the receiving electrode 4 in the floor, and the installation work is facilitated. Further, in the present embodiment, unlike the touch sensor, it is not necessary to expose the electrodes 2 and 4, so that the degree of freedom in interior design can be improved.

  Note that the comb-shaped transmission electrode 2 and reception electrode 4 as shown in FIG. 8 may be embedded in the floor.

<Fifth Embodiment>
The fifth embodiment is a modification of the transmitter 1 and the receiver 3 of the control system shown in FIG.

  FIG. 9 is a schematic configuration diagram of the transmitter 1 of the present embodiment.

A transmitter 1 shown in the figure induces an electric field based on information to be transmitted in a living body as an electric field transmission medium, and transmits information using the induced electric field, and transmits a predetermined signal at a predetermined time interval. , A transmitter 101 that always transmits, a control circuit 901, and a transmitter 802.

  When the transmitter 1 receives transmission data (signal) from the transmitter 101 via the control circuit 901, the transmitter 1 supplies the transmission data to the transmission electrode 2 via the transmission unit 802, and transmits electric field via the electrode 2. An electric field is induced in the medium, and this electric field is transmitted to other parts of the electric field transmission medium. The transmission unit 802 includes a modulation circuit 804 for modulating transmission data with a carrier wave output from the oscillator 805 and an oscillator 805 for outputting a carrier wave.

  FIG. 10 is a schematic configuration diagram of the receiver 3 of the present embodiment. The receiver 3 receives information using an electric field induced in a living body, which is an electric field transmission medium, and includes a control circuit 901 and a receiving unit 803. The receiver 3 converts the electric field detected by the reception electrode 4 into reception data by the reception unit 803 and outputs it to the control device 5 via the control circuit 901. Based on the received signal and the correction circuit 806 for determining and correcting whether the H and L levels of the demodulated signal have been inverted, and the carrier wave reproduced by the carrier wave reproduction circuit 808. A demodulation circuit 807 for reproducing data and a carrier wave reproduction circuit 808 for extracting a carrier wave from the received signal are provided.

In the present embodiment, processing similar to the processing described in FIG. 1 is performed using the transmitter 1 and the receiver 3 described in FIG. 9 and FIG. Further, the transmitter 1 and the receiver 3 of the present embodiment are the first
The present invention may be applied to the fourth embodiment. As described above, each embodiment of the present invention has been described. However, various modifications can be made to the embodiment of the present invention without departing from the gist of the present invention. And changes can be made.

It is a basic lineblock diagram of a control system of an embodiment. It is a schematic block diagram of a transmitter. It is a schematic block diagram of a receiver. FIG. 2 is a cross-sectional structure diagram of the control system shown in FIG. 1. It is a schematic block diagram of the elevator control system of 1st Embodiment. It is a schematic block diagram of the elevator control system of 2nd Embodiment. It is a schematic block diagram of the exhibit crime prevention system of 3rd Embodiment. It is a modification of the transmission electrode and reception electrode of 4th Embodiment. It is a schematic block diagram of the transmitter of 5th Embodiment. It is a schematic block diagram of the receiver of 5th Embodiment. It is explanatory drawing which shows the example in the case of mounting | wearing and using a wearable computer for a person via a transceiver.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Transmitter 2 Transmitting electrode 3 Receiver 4 Receiving electrode 5 Control apparatus 6 Various drive devices 71 Dressing floor 72 Dressing wall 73 Mark 75 Building frame 76 Wall structure 77 Exhibit

Claims (8)

A control system using electric field communication for communicating via an electric field transmission medium,
A transmitter that induces an electric field based on information to be transmitted in the electric field transmission medium and transmits information; a receiver that detects the electric field induced in the electric field transmission medium and receives information transmitted by the transmitter; and A control device connected to the receiver,
The transmitter is connected to a transmitting electrode embedded in a wall or floor,
The receiver is connected to a receiving electrode embedded in a wall or floor,
In the transmitter, when a user who is an electric field transmission medium simultaneously contacts the transmission electrode and the reception electrode through a wall or a floor, a communication path between the transmitter and the receiver is established. , Send a signal to the receiver,
When the receiver receives the signal, the receiver outputs the signal to the control device,
The control system controls a predetermined apparatus at a timing when a signal from the receiver is received. The control system according to claim 1,
The control system characterized in that the transmission electrode is embedded under the floor and the reception electrode is embedded in the back of the wall, or the transmission electrode is embedded in the back of the wall and the reception electrode is embedded under the floor. A control system according to claim 1 or claim 2, wherein
A plurality of the transmitters, each transmitter is connected to a transmission electrode embedded in a wall,
Each of the plurality of transmitters transmits a signal including identification information of the transmitter to the receiver when the user simultaneously contacts the transmission electrode and the reception electrode of the transmitter through a wall or a floor. And
The control system performs control according to identification information included in the signal at a timing when the signal from the receiver is received. The control system according to any one of claims 1 to 3, wherein
The transmission system and the reception electrode are each comb-shaped, and are placed close to each other so as to sandwich each other, and are installed under the wall or under the floor. An elevator control system using electric field communication that communicates through an electric field transmission medium,
A transmitter that induces an electric field based on information to be transmitted in the electric field transmission medium and transmits information; a receiver that detects the electric field induced in the electric field transmission medium and receives information transmitted by the transmitter; and A control device connected to the receiver,
The transmitter is connected to a transmitting electrode embedded in a wall or floor,
The receiver is connected to a receiving electrode embedded in a wall or floor,
In the transmitter, when a user who is an electric field transmission medium simultaneously contacts the transmission electrode and the reception electrode through a wall or a floor, a communication path between the transmitter and the receiver is established. , Send a signal to the receiver,
When the receiver receives the signal, the receiver outputs the signal to the control device,
The said control apparatus performs the control which raises / lowers an elevator at the timing which received the signal from the said receiver. The elevator control system characterized by the above-mentioned. The elevator control system according to claim 5,
A plurality of the transmitters, each of the transmitters is connected to a transmission electrode,
Each of the plurality of transmitters transmits a signal including identification information of the transmitter to the receiver when the user simultaneously contacts the transmission electrode and the reception electrode of the transmitter through a wall or a floor. And
The said control apparatus raises / lowers an elevator to the floor corresponding to the identification information contained in the said signal at the timing which received the signal from the said receiver. The elevator control system characterized by the above-mentioned. The elevator control system according to claim 6,
The elevator control system, wherein the plurality of transmission electrodes are embedded in a back surface of the wall, and the reception electrodes are embedded under the floor. An exhibition crime prevention system using electric field communication that communicates via an electric field transmission medium,
A transmitter that induces an electric field based on information to be transmitted in the electric field transmission medium and transmits information; a receiver that detects the electric field induced in the electric field transmission medium and receives information transmitted by the transmitter; and A control device connected to the receiver,
The transmitter is connected to a transmitting electrode embedded in a wall or floor,
The receiver is connected to a receiving electrode embedded in a wall or floor,
The exhibit is displayed in contact with the wall or floor in which the transmitting electrode or the receiving electrode is embedded,
When a user who is an electric field transmission medium touches the exhibit, the transmission electrode and the reception electrode are simultaneously contacted via a wall or a floor, and a communication path between the transmitter and the receiver is established. When
The transmitter transmits a signal to the receiver;
When the receiver receives the signal, the receiver outputs the signal to the control device,
The display device crime prevention system, wherein the control device operates a crime prevention device at a timing of receiving a signal from the receiver.

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