JP2000295358A - Radio communication equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide multifunctional radio communication equipment which is easy to handle about ratio communication equipment for performing speech communication in accordance with visitor's calling by an interphone, etc. SOLUTION: This equipment has an outdoor master unit 3 which is arranged on an entrance and a gate and transmits a calling signal in accordance with the operation of a calling button, an indoor master unit 4 which is connected to the unit 3 through a connection line 6, can answer calling from the unit 3, also feeds power supply and can also communicate with slave units 5-1 to 5-n by spread spectrum communication and the units 5-1 to 5-n which are portable and can be communicated with the unit 4 by spread spectrum communication.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio communication device, and more particularly to a radio communication device for making a call in response to a call of a visitor such as an interphone.

[0002]

2. Description of the Related Art FIG. 7 is a block diagram showing an example of a conventional interphone. Conventional intercom system 45
Is composed of an outdoor unit 46 and an indoor unit 47. The outdoor unit 46 is fixedly installed at a place in the house 48 that can be operated by a visitor such as an entrance or a gate. The indoor unit 47 is fixedly arranged in a place where a person of the house relatively exists among houses 48 such as a living room and a kitchen.

The outdoor unit 46 and the indoor unit 47 are connected by a connection cable 49. For this reason, at the time of installation, it is necessary to lay the connection cable 49. Further, the outdoor unit 46 and the indoor unit 47 need to be fixed to a place where the laid connection cable 49 exists.

[0004]

However, in the conventional interphone, the outdoor unit 46 is arranged outdoors, the indoor unit 47 is arranged indoors, and the outdoor unit 46 and the indoor unit 47 are connected by the connection cable 49. Since the outdoor unit 46 and the indoor unit 47 are both fixed at predetermined positions, a visitor comes when a person is not present near the indoor unit 47, and makes a call from the outdoor unit 46. Even indoor people cannot respond to visitors.

In order for an indoor person to respond to a visitor, the person must move to the living / kitchen where the indoor unit 47 exists. Further, since it is necessary to lay the connection cable 49 in order to install the interphone, there is a problem that the installation is not easy. The present invention has been made in view of the above points, and has as its object to provide a multifunctional wireless communication device that is easy to handle.

[0006]

According to the present invention, there is provided information acquisition means which is arranged at a predetermined place, outputs a call signal in response to operation of a call switch, and acquires surrounding information.
Connected to the information acquisition means by a connection line, supplies drive power to the information acquisition means via the connection line, transmits the call signal and acquisition information obtained by the information acquisition means, and acquires the information First communication means for receiving the call signal supplied from the means, and enabling information exchange with the information acquisition means in response to operation of a response switch;
A second communication unit that receives the call signal supplied from the information acquisition unit via the first communication unit and enables information exchange with the information acquisition unit in response to operation of a response switch; And the communication between the first communication means and the second communication means is performed by spread spectrum communication.

According to the present invention, the information acquisition means and the first communication means are connected by a connection line, and power can be supplied from the first communication means to the information acquisition means via the connection line. The means does not need to have a power supply, and can eliminate the need for battery replacement and the like. In addition, since the first communication unit and the second communication unit perform communication by spread spectrum communication, excellent noise characteristics and confidentiality can be maintained.

Further, in the present invention, the information acquisition means and the first communication means are fixed at predetermined positions, and the second communication means is installed so as to be portable. According to the present invention, since the second communication means is portable, it is possible to respond to a call from the information acquisition means in any room by carrying the second communication means. Further, the present invention provides a second method.
The communication means is provided with an interface for connection with an external device. Also, a personal computer is connected to the interface.

According to the present invention, by providing an interface to the second communication means and connecting an external device such as a personal computer, a message of a visitor when going out can be easily transmitted to the second communication means by the external device. Functions such as storing images can be easily added. Further, in the present invention, the second communication means is provided with a recording / reproducing means for recording / reproducing information transmitted from the first communication means.

According to the present invention, the first communication means includes the first communication means.
By providing recording / reproducing means for recording / reproducing information transmitted from the communication means, the message of the visitor can be stored without connecting to an external device. Further, the present invention provides the first
Power is supplied to the communication means from a power supply line, power is supplied to the information acquisition means from the first communication means, and the second communication means is driven by a battery. Power is supplied to the first communication unit from a power supply line, power is supplied to the information acquisition unit from the first communication unit, and the second communication unit is driven by a battery, so that the information acquisition unit has power. No need,
Battery replacement and the like become unnecessary, and the second communication means can be made portable, so that each room can be carried.

[0011]

FIG. 1 is a block diagram showing an embodiment of the present invention. The wireless communication system 1 of the present embodiment is installed in a house 2 and is used as an intercom in the house 2. The wireless communication system 1 includes an outdoor master device 3, an indoor master device 4, and a plurality of slave devices 5-1 to 5-n.

The outdoor parent device 3 corresponds to the information acquisition means described in the claims, and is fixedly arranged at the entrance, the gate, or the like. The outdoor parent device 3 is operated by a visitor to the house 2. Outdoor master device 3 is connected to indoor master device 4 by connection line 6. The indoor parent device 4 corresponds to a first communication unit in the claims. The indoor master unit 4 is connected to the outdoor master unit 3 and the connection line 6.
To communicate with the outdoor parent device 3 and the child devices 5-1 to 5-n, and to perform communication between the outdoor parent device 3 and the child devices 5-1 to 5-5.
-N is enabled. Indoor master unit 4 is house 2
Operated by residents.

The plurality of slave units 5-1 to 5-n correspond to the second communication means in the claims, and are disposed in the house 2 so as to be portable. The plurality of slave units 5-1 to 5-n are house 2
Operated by residents. FIG. 2 is a block diagram showing an outdoor parent device according to an embodiment of the present invention. The outdoor parent device 3 includes a call button 7, a camera 8, a microphone 9, a speaker 10, a control circuit 11, a signal processing circuit 12, a signal demultiplexing circuit 13, a signal / power supply separating circuit 14, and a power supply circuit 15.

The call button 7 is operated when a visitor visits the house 2. The call button 7 is connected to the control circuit 11. When the call button 7 is operated, a call signal is generated by the control circuit 11. The calling signal generated by the control circuit 11 is supplied to the signal processing circuit 12.
Also, the camera 8 captures an image of the front of the outdoor parent device 3,
Take a picture of the visitor. The imaging result of the camera 8 is converted into an electric signal and supplied to the signal processing circuit 12.

The microphone 9 converts the sound around the outdoor parent device 3 into an electric signal. The electric signal converted by the microphone 9 is supplied to the signal processing circuit 12. The signal processing circuit 12 processes the calling signal generated by the control circuit 11, the electric signal converted by the camera 8, and the electric signal converted by the microphone 9, and supplies the processed signal to the signal demultiplexing circuit 13.

The signal multiplexing / demultiplexing circuit 13 multiplexes a calling signal, an image signal, a voice signal, etc.
4 Further, the signal demultiplexing circuit 13 separates a calling signal, an image signal, and a voice signal from information supplied from the indoor parent device 4. The signal power supply separation circuit 14 includes a coil L and a capacitor C, and separates a power supply and a signal that are supplied by being superimposed on the connection line 6 and a signal. Signal power supply separation circuit 14
Are supplied to the signal demultiplexing circuit 13. The power component separated by the signal power separation circuit 14 is supplied to the power circuit 15.

The power supply circuit 15 generates a drive power supply for driving the outdoor parent device 3 from the power supply component supplied from the signal power supply separation circuit 14, and supplies the drive power supply to each unit. The call signal, the image signal, and the audio signal obtained by the outdoor parent device 3 are supplied to the indoor parent device 4 via the connection line 6. Next, the indoor parent device 4 will be described.

FIG. 3 is a block diagram of an indoor master unit according to one embodiment of the present invention. The indoor master unit 4 includes the signal power supply separation circuit 1
6, a power supply circuit 17, a wireless communication unit 18, and an information processing unit 19. The signal power supply separation circuit 16 includes a coil L and a capacitor C, and separates a signal component on the connection line 6 from a power supply component. The power supply circuit 17 is connected to a commercial AC power supply, converts the commercial AC power supply to a DC power supply, outputs the DC power supply as a drive power supply for the indoor parent unit 4, and outputs a signal power supply separation circuit 16 and a connection line 6 to the outdoor parent unit 3. To supply.

The signal components on the connection line 6 separated by the signal power supply separation circuit 16 are transmitted to the radio communication unit 18 and the information processing unit 19.
Supplied to The wireless communication unit 18 includes the information modem 2
0, a spread modulation / demodulation circuit 21, a spread signal supply circuit 22, and an antenna 23. A signal is supplied to the information modulation / demodulation circuit 20 from the signal power supply separation circuit 16 or the information processing unit 19. The information modulation / demodulation circuit 20 includes a signal power supply separation circuit 1
6 or the signal supplied from the information processing section 19 is modulated. The signal modulated by the information modulation circuit 20 is supplied to a spread modulation / demodulation circuit 21.

The spread modulation / demodulation circuit 21 is supplied with a signal to be transmitted from the information modulation / demodulation circuit 20 and a spread signal from a spread signal supply circuit 22. When modulating the signal supplied from the information modulation / demodulation circuit 20, the spread modulation / demodulation circuit 21 performs frequency hopping on the carrier frequency according to the spread signal and spreads the carrier. So-called spread spectrum is performed. The signal frequency-spread by the information modulation / demodulation circuit 20 is
It is radiated from the antenna 23 to the outside.

The antenna 23 is connected to the slave units 5-1 to 5-
n. Slave units 5-1 to 5-n
Are supplied to the spread modulation / demodulation circuit 21. The spread modulation / demodulation circuit 21 demodulates the signal supplied from the antenna 23 based on the spread signal supply circuit 21. The signal demodulated by the spread modulation / demodulation circuit 21 is supplied to the information modulation / demodulation circuit 20.

The information modulation / demodulation circuit 20 is a spread modulation / demodulation circuit 2.
The original information is restored from the signal demodulated in step 1. The signal restored by the information modulation / demodulation circuit 20 is supplied to the information processing unit 19 and is also supplied to the outdoor parent device 3 via the signal power supply separation circuit 16 and the connection line 6. The information processing unit 19 includes a signal demultiplexing circuit 24, a signal processing circuit 25, a display 26, a microphone 27, a speaker 28, an operation panel 29, and a control circuit 30.

The signal demultiplexing circuit 24 separates a calling signal, an image signal, and an audio signal from the signal supplied from the power signal separating circuit 16 or the information modulating circuit 20. The signal separated by the signal demultiplexing circuit 24 is supplied to a signal processing circuit 25. The signal processing circuit 25 performs signal processing on the image signal supplied from the signal demultiplexing circuit 24 and
To supply. The display 26 displays an image corresponding to the supplied image signal on a screen. Also, the signal processing circuit 2
5 processes the audio signal supplied from the signal demultiplexing circuit 24 and supplies the processed signal to the speaker 28.

The speaker 28 outputs a sound in accordance with the sound signal supplied from the signal processing circuit 25. Microphone 27
Converts the sound around the indoor parent device 4 into an electric signal. The electric signal obtained by the microphone 27 is supplied to the signal processing circuit 25. The signal processing circuit 25 processes the audio signal supplied from the microphone 27 and supplies the processed signal to the signal demultiplexing circuit 24.

The operation panel 29 is composed of a plurality of operation buttons, and performs a response to a call from the outdoor parent device 3 and the child devices 5-1 to 5-n and a call to the child devices 5-1 to 5-n. Be operated on. The operation panel 29 is connected to the control circuit 30. The control circuit 30 controls each part of the indoor parent device 4 according to the operation on the operation panel 29, and controls the operation panel 29 according to a calling signal from the outdoor parent device 3 or the child devices 5-1 to 5-n. Control. Further, the control circuit 30 activates the display 26, the microphone 27, and the speaker 28 in response to a response operation on the operation panel 29, and enables communication with the outdoor parent device 3 or the child devices 5-1 to 5-n. .

Next, the slave units 5-1 to 5-n will be described. FIG. 4 shows a block diagram of a slave unit according to one embodiment of the present invention. Slave units 5-1 to 5-n have antenna 31,
Diffusion modulation / demodulation circuit 32, diffusion signal supply circuit 33, information modulation / demodulation circuit 34, signal processing circuit 35, control circuit 36, operation panel 37, display 38, microphone 39, speaker 4
0, recording / reproducing device 41, interface 42, battery 43
Consists of

Antenna 31 receives a signal transmitted from indoor master unit 4. The signal received by the antenna 31 is
The signal is supplied to the spread modulation / demodulation circuit 32. Diffusion modulation / demodulation circuit 32
Is connected to a spread signal supply circuit 33, which modulates and demodulates information based on the spread signal. The signal transmitted from the indoor master unit 4 after spread spectrum is transmitted to the spread modulation / demodulation circuit 32.
After being demodulated to the original information, the information is supplied to the information modulation / demodulation circuit 34. The information modulation / demodulation circuit 34 modulates information to be transmitted to the base unit 3 and demodulates information supplied from the indoor base unit 4.

The information demodulated by the information modulation / demodulation circuit 34 is
The signal is supplied to the signal processing circuit 35. The signal processing circuit 35
The signal processing is performed on the information demodulated by the information modulation / demodulation circuit 34 to restore a calling signal, an image signal, and a voice signal. The calling signal processed by the signal processing circuit 35 is transmitted to the control circuit 36.
Supplied to When receiving the calling signal from the signal processing circuit 35, the control circuit 36 operates the operation panel 37 as described later.
And the speaker 40 is operated, the button of the call partner is blinked on the operation panel 37, and a ringing tone is output from the speaker 40. The control circuit 36 enables a call with the called party by operating the operation panel 37.

When the answering machine function is set, the recording / reproducing apparatus 41 operates in response to a call signal from the outdoor base unit 3 to record the image and voice of the visitor, or An image and a sound are output via the terminal. The operation panel 37 has a response button corresponding to the outdoor parent device 3, the indoor parent device 4, and the child devices 5-1 to 5-n, and an operation mode switching button for switching an operation mode. The response button is capable of emitting light. For example, the response button is controlled to be turned off when not in use, to blink when a call is made, and to be turned on when a response is being made.

The display 38 is composed of a liquid crystal display or the like, and displays an image corresponding to the image signal supplied from the signal processing circuit 35. The microphone 39 converts the surrounding sound into an electric signal and supplies the electric signal to the signal processing circuit 35.
The speaker 40 outputs the audio signal processed by the signal processing circuit 35 as audio. The recording / reproducing device 41 records the image and audio information supplied from the outdoor parent device 3 when the recording mode is set, and reproduces the recorded image and audio by the reproducing operation of the operation panel 37.

The interface 42 is connected to a personal computer and enables information exchange with the personal computer. Next, the operation of the outdoor parent device 3 will be described. FIG. 5 is a flowchart illustrating a process performed by the outdoor parent device according to the embodiment of the present invention. When the call button 5 is operated by the visitor (step S1-1), the outdoor base unit 3 sends the call signal to the indoor base unit 4 and the child units 5-1 to 5- through the indoor base unit 4.
n (step S1-2).

Next, the outdoor parent device 3 responds to the call signal transmitted in step S1-2 by using the indoor parent device 4 or the child devices 5-1 to 5-5.
Wait for a response from -n (step S1-3). In step S1-3, when there is a response from the indoor parent device 4 or the child devices 5-1 to 5-n, the outdoor parent device 3 becomes the indoor parent device 4 or the child devices 5-1 to 5-1.
It is determined whether the response from 5-n is for a call or for recording (step S1-4).

In step S1-4, the indoor master unit 4 or the slave unit 5
If the response from -1 to 5-n is for a call,
A state in which the state of the outdoor base unit 3 can be communicated, that is, an image is captured by the camera 8 and a voice is acquired by the microphone 9, and the indoor base unit 4 or the slave units 5-1 to 5-1 through the indoor base unit 4
5-n. In addition, the outdoor parent device 3 includes child devices 5-1 to 5-1.
The audio signal supplied from 5-n can be output from the speaker 10 (step S1-5).

Next, when the call is disconnected by the slave units 5-1 to 5-n (step S1-6), the operations of the camera 8, the microphone 9, and the speaker 10 are stopped (step S1-).
7). In step S1-4, the child devices 5-1 to 5-n
When the response is from the recording mode, the speaker 10 is driven to output a voice to record the message (step S1-8), and the camera 8 inputs an image and the microphone 9 inputs a voice. Alternatively, the data is transmitted to the slave units 5-1 to 5-n (step S1-9).

After a lapse of a predetermined time (step S1-1)
0), input of images and sounds is stopped, and the process ends (step S1-11). Next, the operation of the slave units 5-1 to 5-n will be described. FIG. 5 shows a processing flowchart of the slave unit according to the embodiment of the present invention. When the slave units 5-1 to 5-n receive a call signal from the outdoor master unit 3, the indoor master unit 4, and another slave unit (step S2-1), the slave units 5-1 to 5-n generate a ring tone by controlling the speaker 40. Then, the operation panel 37 is controlled to blink the call partner button corresponding to the call partner (step S2-2). By blinking the call partner button on the operation panel 37, the call partner can be recognized.

Next, the slave units 5-1 to 5-n determine whether or not the state of the system is the normal call mode (step S).
2-3). In step S2-3, if it is the normal call mode, it is determined whether or not the blinking call partner button has been operated (step S2-4). In step S2-4, when the call partner button is operated, the call partner button is changed from the blinking state to the lighting state, a response to the call is returned to the outdoor base unit 3, the image and the voice are taken, and the call is made possible. (Step S2-5).

When the call with the visitor is completed, the lit call partner button is operated. When the call partner button is operated, the slave units 5-1 to 5-n turn off the call partner button and disconnect the call with the call partner (step S2-).
7). In step S2-3, the child devices 5-1 to 5-n
Is a recording mode, a message output instruction signal is transmitted to the outdoor parent device 3 (step S2-8). In response to the message output instruction signals from the slave units 5-1 to 5-n, the outdoor master unit 3 outputs a voice indicating that a message is to be recorded as shown in step S1-8 in FIG.

In the slave units 5-1 to 5-n, step S2-
When the message output instruction signal is output to the outdoor parent device 3 in step 8, the recording / reproducing device 26 is controlled to record the image and sound supplied from the outdoor parent device 3 for a predetermined time (step S).
2-9, S2-10). At this time, the time recorded in the image and the sound is recorded. By displaying the time recorded at the time of reproduction, the visit time of the visitor can be known.

After a lapse of a predetermined time in step S2-10, the recording / reproducing device 26 is controlled to stop recording images and sounds (step S2-11). The images and sounds recorded in the recording / reproducing device 26 are read from the recording / reproducing device 26 by operating the operation panel 37,
Displayed on the display 38 and the speaker 25
Output from

As described above, it is possible to communicate with the visitor, and when the user is out of the office, the message of the visitor can be recorded on the recording / reproducing device 26. Furthermore, by connecting the slave units 5-1 to 5-n to the personal computer 44 through the interface 42, a message from a visitor can be recorded on the personal computer 44. By connecting the slave units 5-1 to 5-n to the personal computer 44, many messages can be recorded, and the outdoor master unit 3, the indoor master unit 4, and the child master unit can be recorded by application software stored in the personal computer 44. Various functions can be realized by controlling the devices 5-1 to 5-n. In addition, functions can be easily upgraded.

In this embodiment, mainly the slave units 5-1 to 5
Although the description has been given of the communication of the image and the voice between the −n and the outdoor parent device 3, the communication between the indoor parent device 4 and the child devices 5-1 to 5-n can also be used. That is, the present invention can be applied to a portable extension telephone in a house. In this case, the indoor parent device 4,
Of the call partner buttons provided on the operation panels 29 and 37 of the slave units 5-1 to 5-n, a button corresponding to a device to be called is operated. By operating the call partner button of the device to be called, the call partner button of the device to be called blinks. The blinking of the call partner button can notify the operator that the call is being made.

At this time, in the device to be called, the call partner button corresponding to the called device flashes,
A ringing tone is output. It can be recognized from this ringing tone that the call is being made. When the blinking call partner button is operated on the called device, a call can be made between the devices. When a call is made between the devices, the other party's call partner button changes from blinking to lighting. When the call partner button is lit, it indicates that the call is in progress.

Next, by operating the lit call partner button on the device that is talking, the call is terminated, and the call partner button is turned off. As described above, communication between the indoor parent device 4 and the child devices 5-1 to 5-n becomes possible. By providing a camera in the indoor master unit 4 and the slave units 5-1 to 5-n in the same manner as the outdoor master unit 3, the indoor master unit 4 and the slave unit 5-
During a call between 1 and 5-n, a call can be made while viewing the other party's image.

Further, according to the present embodiment, the outdoor master unit 3 and the indoor master unit 4 obtain the driving power from the commercial power supply by the indoor master unit 4, are connected by the connection line 6, and are connected through the connection line 6. Since the signals and the power are exchanged, the outdoor parent device 3 and the indoor parent device 4 do not need to replace batteries or the like. In addition, since the wiring may be connected between the outdoor parent device 3 and the indoor parent device 4, the wiring operation is also easy. Furthermore, by carrying the slave units 5-1 to 5-n indoors, it is possible to respond to visitors in any room.

[0045]

As described above, according to the present invention, the information acquired by the information acquisition means is transmitted to the second communication means by the spread spectrum communication via the first communication means, so that the visitor can receive the information. When one communication means is operated,
If the user carries the second communication means, the visitor can be known no matter where he is indoors, and a call can be made with the visitor. Also, at this time, since the first communication means and the second communication means perform communication by spread spectrum communication, they have features such as excellent confidentiality and prevention of interference with neighboring houses.

According to the present invention, by providing an interface to the second communication means and connecting an external device such as a personal computer, a message of a visitor when going out can be easily transmitted to the second communication means by the external device. It has features such as easy addition of functions such as storing images. According to the present invention, by providing the second communication unit with the recording / reproducing unit for recording / reproducing information from the first communication unit,
It has features such as storing a visitor's message without connecting to an external device.

According to the present invention, power is supplied to the first communication means from a power supply line, power is supplied to the information acquisition means from the first communication means, and the second communication means is driven by a battery. Accordingly, the information acquisition means does not need to have a power supply, battery replacement or the like is not required, and the second communication means can be made portable and each room can be carried.

[Brief description of the drawings]

FIG. 1 is a schematic configuration diagram of an embodiment of the present invention.

FIG. 2 is a block diagram of an outdoor parent device according to an embodiment of the present invention.

FIG. 3 is a block diagram of an indoor parent device according to an embodiment of the present invention.

FIG. 4 is a block diagram of a slave unit according to an embodiment of the present invention.

FIG. 5 is a processing flowchart of the outdoor parent device according to the embodiment of the present invention.

FIG. 6 is a processing flowchart of a slave unit according to the embodiment of the present invention.

FIG. 7 is a block diagram showing an example of a conventional interphone.

[Explanation of symbols]

 REFERENCE SIGNS LIST 1 wireless communication system 2 house 3 outdoor master unit 4 indoor master unit 5-1 to 5-n slave unit 6 connection line 7 call button 8 camera 9, 27, 39 microphone 10, 28, 40 speaker 11, 30, 36 control circuit 12, 25, 35 signal processing circuit 13, 24 signal demultiplexing circuit 14, 16 signal power separation circuit 15, 17 power supply circuit 18 wireless communication unit 19 information processing unit 20, 34 information modulation / demodulation circuit 21, 32 spread modulation / demodulation circuit 22, 33 Spreading signal supply circuit 23, 31 Antenna 26, 38 Display 29, 37 Operation panel 41 Recording / reproducing device 42 Interface 43 Battery 44 Personal computer

Claims (6)

[Claims] An information acquisition unit that is arranged at a predetermined location, outputs a call signal in response to operation of a call switch, and acquires surrounding information; and is connected to the information acquisition unit by a connection line; Transmitting the calling signal and the obtained information obtained by the obtaining means, receiving the calling signal supplied from the information obtaining means, and enabling information exchange with the information obtaining means in response to operation of a response switch. A first communication unit that receives the call signal supplied from the information acquisition unit via the first communication unit, and enables information exchange with the information acquisition unit in response to operation of a response switch. And a communication between the first communication means and the second communication means,
A wireless communication device, which is performed by spread spectrum communication. 2. The information processing apparatus according to claim 1, wherein the information acquisition unit and the first communication unit are fixed at predetermined positions, and the second communication unit is installed so as to be portable. Wireless communication device. 3. The wireless communication device according to claim 2, wherein said second communication means has an interface for connecting to an external device. 4. The interface according to claim 3, wherein a personal computer is connectable.
The wireless communication device according to claim 1. 5. The wireless communication according to claim 1, wherein the second communication unit has a recording / reproducing unit for recording / reproducing information from the first communication unit. apparatus. 6. The first communication unit is supplied with power from a power supply line, the information acquisition unit is supplied with power from the first communication unit, and the second communication unit is a battery. The wireless communication device according to claim 1, wherein the wireless communication device is driven.