JPH1169454A - Radio communication system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide the image information of an optional position to the user of a mobile radio communication service by specifying the position not only by voice but also by using the positional information of a navigation equipment such as a navigation system. SOLUTION: A first terminal (on-vehicle PS410) connected to this radio communication system is linked with the navigation system (400), and when a specified position is specified on a map database, converts the positional information to the channel connection number of a second terminal (PS456 with a camera) installed at the position. Also, the positional information of the specified position is transmitted by using a communication channel. The channel connection number is transmitted through the radio communication system by using the first terminal to enable communication with the second terminal installed at the part of the positional information. The second terminal is provided with a video processor (460) and transmits the video image of the specified position to the first terminal by using the radio communication system.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a radio communication system comprising an exchange, a plurality of base stations connected to the line, and radio terminals connected to the base station. Real-time video information of the point can be displayed on the wireless terminal

[0002] The present invention relates to a system.

2. Description of the Related Art Regarding a system for providing traffic information, ATIS (Advanced Tr.
affic Information Service) started service in 1994, and the road traffic information system VICS (Vehicle)
Information & Communica
Tion System) and a new traffic management system U
TMS (Universal Traffic Man)
A variety of systems are being considered, for example, a service is also being considered for the “Agment System”. In general, on a highway, a traffic monitoring camera system via a dedicated line is put into practical use, and images from the cameras are centrally managed by a traffic monitoring center.

[0003]

SUMMARY OF THE INVENTION Prior art ATIS, VIC
Both S and UTMS provide information on traffic congestion information, accident information, closed road information, parking lot vacancy information at specified locations,
The display format is text or graphics.

However, in a traffic jam or the like, there is a problem that a specific situation of the traffic jam cannot be grasped from a following vehicle.
In other words, in the conventional technology, various information services can be provided as a traffic information service by combining the car navigation system and the communication device, but real-time video is not provided. It cannot be confirmed and may not be good for mental health.

Accordingly, the present invention provides a multipoint real-time image using a wireless communication system including an exchange, a plurality of base stations connected to the base station, and wireless terminals connected to the base station. It is to be able to judge the situation of self-confidence. It is an object of the present invention to provide a traffic condition, a railway operation condition, and real-time image information of a station platform to roads, railway users, and the like by installing a wireless terminal having a video recording device on a station platform on a traffic signal. In addition, by installing wireless terminals with video recording devices in the vicinity of each attraction in the theme park, each lift and rest area of the ski resort, and each department store, the user will be guided to the next action The purpose is to provide information that should be.

[0006]

According to the present invention, in order to solve the above-mentioned problems, position storage means for storing position information for specifying a position where a first wireless terminal is installed among a plurality of wireless terminals, Video recording means for recording a video near the location where the first wireless terminal is installed; and generating a communication line signal based on the video information recorded by the video recording means and the position information stored in the position storage means. Communication line signal generation means, transfer means for transferring the communication line signal generated by the communication line signal generation means by line connection, and the video information provided in a second wireless terminal of the plurality of wireless terminals. Designating means for designating the recorded position information of the wireless terminal, wherein the transfer means transmits the video information corresponding to the position information designated by the designating means to the second terminal via a line.
To the wireless terminal.

The communication system according to the present invention further comprises: a video information storage means for collecting and storing the video information and the position information transferred by the transfer means via a line connection; and a second wireless terminal of the plurality of wireless terminals. Specifying means for specifying the position information of the wireless terminal provided in the terminal and recording the video information, wherein the video information corresponding to the position information specified by the specifying means via the line from the video information storage means Transmit to the second wireless terminal.

[0008] In the wireless communication system according to the present invention, the designation means is a navigation system.

Further, the radio communication system of the present invention has a table for mapping position information on map data provided in the navigation system and a line connection number of a video recording device actually installed at the position. And

[0010] Further, the wireless communication system according to the present invention comprises:
The wireless terminal includes a clock unit for measuring the time, and the video recording unit transmits the time measured by the clock unit as the shooting time together with the video information.

As described above, according to the present invention, a traffic navigation system is connected to a mobile radio terminal, and a position where a radio terminal having a video recording device is installed at a key point is designated using position information of the navigation system. Is used to transmit video information to a wireless terminal using a wireless communication system.

[0012]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 shows an embodiment of the present invention. In FIG. 1, a camera-equipped wireless terminal (101) provided with position information and mounted on a traffic signal is connected to a base station 1 via a wireless line.
(102) and to the exchange (103). The exchange (103) has a video processing device (104) and a video database (10
5) is attached. On the other hand, the wireless terminal (107) mounted on the automobile (108) is connected to the base station 2 (106) via a wireless line, and is connected to the exchange (103).

The wireless terminal with camera (101) is a base station 1 (102)
And a wireless line can be set, and are connected to the video processing device (104) via the exchange (103). The video such as the traffic congestion state captured by the camera may be transmitted to the video processing device (104) via this communication line, and may be stored in the video database (105) or may be directly transmitted without being stored.

From a car (108) to a wireless terminal with a camera (101)
If you want to refer to the video taken at, from the car, connect the line from the wireless terminal (107) to the video processing device (104) and input the position information of the wireless terminal with camera (101) from the terminal (107) By doing so, the location information is
Is converted to a line connection number, and the line is connected. Car (1
According to the service request content from the wireless terminal (107) of 08), the video information captured by the wireless terminal with camera (101) can be referred to by the automobile (108).

FIG. 2 describes in detail the embodiment shown in FIG. A detailed description of the configuration of this embodiment in FIG. 2 and its operation will be described with reference to FIG. First, the configuration will be described.

In the present embodiment, in an existing wireless communication system, a video information management / processing device is directly connected to an exchange of an exchange, and the video information is collected at a video information terminal station adjacent to the exchange and concentrated. Managed, the user obtains the video service by connecting to the video information terminal of the exchange.

An in-vehicle PS having a function as a car telephone
(200) sets the line with the base station (CS) (220),
(230), and a communication line can be set. In this embodiment, the in-vehicle PS (200) is used as a radio unit (202), a baseband processing unit (203), a control unit (204), a subscriber database (DB) (205), and an MMI (Man-Machine Interface). A pad (206) and a microphone / speaker (207) are provided. Further, a video processing interface (IF) (208) for converting a transmission signal into a video signal is provided. The video processing IF (208) is connected to a video processing unit (209) for displaying a video signal on a display device and conversely converting a signal input from the display device into a transmission video signal.
When handling map information, the map information processing device
(210) and a map information management table (211) as a database of map information are connected.

The exchange (233) to which the in-vehicle PS (200) is connected via the base station (220) has a terminal number management table (231) as a database for managing terminals and base stations, and a base station number management. In addition to having a table (232), in this embodiment, a map image information terminal (234) is attached and connected to a line. The map video information terminal (234) is connected to a map video signal processing unit (235) and a video information management database (236) and a location information management database (237) as databases connected to the map video signal processing unit (235). The video information management database (236) stores video information captured by a camera. In the position information management database (237), registered map data and a management number for specifying a designated point are assigned and stored.

A base station (240) is connected to the exchange (233), and video data accommodated in the map video information terminal (234) of the exchange (230) is connected to the base station (240) through a line. Collected from the camera-equipped PS (250). The camera-equipped PS (250) has a camera (251), a video processing unit (259) for transmitting captured video information and a position information DB (260), and has a wireless terminal function by a video processing IF (258). Connected to PS (250) with camera. The wireless terminal function includes a wireless unit (252), a baseband processing unit (253), a control unit (254), and a PS database (255) which is a database of information on the subscriber terminal itself.

Next, the operation of each component in this embodiment will be described.

The PS with camera (250) switches the communication line to the switching center in response to a start request from the video processing device (280) (step 301).
Set to the map video information terminal station (234) of (230). That is,
The communication line is connected to the exchange (233) via the base station (240), and further connected to the map video information terminal (234) (steps 302-304). The video information captured by the camera (251) of the video processing device (280) is subjected to signal processing for conversion into a wireless signal by the video processing unit (259), and is provided with a camera together with the positional information of the positional information database (260). Transmitted to PS (250). The video information received by the video processing interface (258) of the camera-equipped PS (250) is converted into a wireless signal by the camera-equipped PS (250), and is transmitted via the base station (240) and the exchange (233). It is transmitted to the map image information terminal station (234) (steps 311, 312). In the map video information terminal (234), signal processing is performed in the map video signal processing unit (235), and the video information is stored in the video information management database (236), and the position information is stored in the location information management database (237). And store it (step 313). When the storage is completed, the line between the camera-equipped PS (250) and the map image information terminal (234) is disconnected (step 371-3).
73). When a line setting (activation) request is made again from the video processing device (280), the communication line is set.

When the user wants to access the video information from the vehicle-mounted PS (200) side, the user can access the map information terminal station (234) of the exchange (230) from the vehicle-mounted PS (200) by a normal car telephone procedure. Enter the number and connect to the line (Step 821-82
3). The signal from the in-vehicle PS (200) passes through the base station (220),
It is transmitted to the exchange (230). The user designates a necessary menu on the map information / video display device (270) according to the service menu of the map information terminal by keypad input or the like (steps 331-333).

The user inputs (designates) a point on the map to obtain video information on the display device (201).
For example, the input signal is converted to a code
The video processing unit (209) accesses the map information processing device (210) to specify a point on the map.
Here, a code such as a coordinate corresponds to a latitude, a longitude, an address, or the like corresponding to position information. Map information processing device (21
(0) pulls out the map information management table (211), compares the point input with the map information, specifies the designated point, and transfers it to the video processing unit (209) as position information (step 84).
1). The video information processing unit (209) converts the input on the screen thus specified into position information, transmits the position information to the in-vehicle PS (200),
The in-vehicle PS (200) transmits the signal to the upstream line via the wireless line. The signal of the in-vehicle PS (200) is transmitted to the exchange (233) of the exchange (230) via the base station (220). In such a procedure, the service request of the map image information terminal station (234) and the transmission of the position information are performed from the vehicle-mounted PS (200) to the exchange (233). The exchange (233) connects the line to the map video information terminal (234).
Is connected to (step 342).

The map video signal processing unit (235) is a vehicle-mounted PS (200)
The video information and the position information are extracted according to the data of the designated point from the server (step 343), and the video information is put on the line in the form of the request for the position request service and put on the down line so that the vehicle-mounted PS
(200) (step 351).

The in-vehicle PS (200) transmits the received video information to the video processing IF (208) by the control unit (204), and
The data is transmitted to 9) (step 352). The video processing unit (209) converts the video signal into a display signal format for the display device (201) and displays it on the display. The line is cut off when the service ends, and the communication ends (steps 361 and 36).
2).

FIG. 4 shows another embodiment. In FIG.
A camera-equipped wireless terminal (401) provided with position information and mounted on a traffic signal is connected to a base station 3 (402) via a wireless line and to an exchange (403). The camera-equipped wireless terminal (401) has an image processing device (404) and an image database
(405) is attached. The video captured by the camera may be transmitted to the video processing device (404), subjected to signal processing, and stored in the video database (405), or may be transmitted without being stored.

On the other hand, the wireless terminal (407) mounted on the car (408) is connected to the base station 4 (406) by a wireless line.
The line is connected to the exchange (403).

From a car (408) to a wireless terminal with a camera (401)
When the user wants to refer to the video captured by the camera, the user inputs the position information of the wireless terminal with camera (401) from the wireless terminal (407) from the automobile and calls the wireless terminal with camera (401). The position information input from the wireless terminal (407) is converted into the line connection number of the camera-equipped wireless terminal (401), and the line is connected.
The camera-equipped wireless terminal (401) connects to the video processing device (404), performs line setting with the base station 3 (402), and responds to a service request from the wireless terminal (407) of the automobile (408). Video information captured by the camera-equipped wireless terminal (401) is
Send to 8).

FIG. 5 describes the embodiment of FIG. 4 in detail. That is, in this example, a video processing unit, a position information database, a video information management database, and the like are directly connected to an existing wireless communication system, and services are provided by each user connecting to the terminal.

In-vehicle PS having a function as a car telephone
(510) sets the line with the base station (CS) (520),
It is connected to the exchange (531) in (530) and sets up a communication line.

In this embodiment, the in-vehicle PS (510) is connected to the radio unit (51).
1), baseband processing unit (512), control unit (514), subscriber database (DB) (517), and MMI (Man-Machine Interface)
As ce), a keypad (516) and a microphone / speaker (515) are prepared. Further, a video processing interface (IF) (513) for converting a transmission signal into a video signal is prepared. Video processing IF (513) displays video signal on display device
A video processing unit (502) for converting a signal input from the display device into a transmission video signal on the reverse of the display is connected to (501). When handling map information, a map information processing device (503) and a map information management table (304) as a database of map information are connected to the video processing unit.

The user inputs the number of the camera-equipped PS (550) from the in-vehicle PS (510) in the call setting procedure of the mobile phone and connects to the line. The signal from the in-vehicle PS (510) passes through the base station (520), exchange (531), base station (540), and the PS with camera (550)
Transmitted to.

The camera-equipped PS (550) includes a radio section (551), a baseband processing section (552), a control section (553), and a PS database (5).
55) and a video processing unit interface (554), and are connected to the video processing unit (563) via the interface.
The video processing unit (563) is connected to the monitor camera (561), the position information database (564), and the image information management table (562). The image captured by the camera (561) is stored in the image management table via the image processing unit, and is connected to the wireless transmission path via the image processing unit interface of the PS with camera (550) with the positional information. You.

The in-vehicle PS user selects the necessary menu according to the service menu of the camera-equipped PS by using the keypad (51).
6) Specify by input or voice (515) input.

The user inputs (designates) a point on the map at which the user wants to obtain video information on the display device (501). The input signal is sent to the video processing unit (502), and the video processing unit (502)
03) is accessed. The map information processing device (503) pulls out the map information management table (504), compares the point input with the map information, specifies the designated point, and transfers the information to the video processing unit (502). The video information processing unit (502) converts the designated input on the screen into map input position data, transmits the data to the in-vehicle PS (510), and transmits the data via the wireless line to the upstream line.

Base station (520), exchange (531), base station (540)
The signal of the in-vehicle PS (510) via the PS (550) with camera
Transmitted to

When there is a service request for providing map image information from the vehicle-mounted PS (510) to the camera-mounted PS (550), the camera-mounted PS (550) sends an image processing unit interface (354) from the control unit (553). Connect to the video processing unit (563) via The video processing unit (563) transmits the video information according to the data request of the designated point from the in-vehicle PS (510).
62), the video information is loaded onto the line in the form corresponding to the service request, such as extracting the position information from the position information database (564) or providing the image of the camera in real time. ).

The in-vehicle PS (510) connects the received video information to the video processing IF (554) by the control unit (553), and
Transmit to 2). The video processing unit (502) converts the video signal into a display signal format for the display device (501) and displays it on the display.

FIG. 6 shows an embodiment shown in FIG. 5, in which a navigation system is connected to a vehicle-mounted radio terminal, position information of a video information terminal is extracted from map information of the navigation system, and connected to a partner terminal. This is an embodiment in the case of obtaining a video information service. The signal flow is also shown in FIG.

This embodiment comprises a first wireless terminal of a vehicle type equipped with a navigation system, a second wireless terminal equipped with a camera, a base station and an exchange.

The first wireless terminal, the in-vehicle PS (610), has a wireless unit (611) and a baseband processing unit in the same manner as a normal wireless terminal.
(612), a control unit (617), a subscriber database (616), a keypad (615), and a microphone / speaker (614). In this embodiment, for transmitting and receiving image signal and position information data. Data interface (613).

The navigation system (600) has a data interface (601), and is connected to the in-vehicle PS (610) via the data interface (601). Navigation system
(600) is a GPS receiver (602), a navigation device (607), a map information database (603), and a navigation control unit having a function of calculating from these data and displaying a result on a display device (608) ( 606). The location information stored in the map information database (603) is mapped to the location information of the partner terminal by the location data / PS # conversion unit (604), or the location information is previously the same between the two terminals. Is given. The position information itself may be associated with the number of the connection destination terminal. The video signal conversion unit (605) converts a signal so that video information transmitted via the in-vehicle PS (610) can be displayed on the display device (608).

Second wireless terminal, PS with camera (650)
Is composed of a wireless terminal unit (656) and a video processing device (660). The wireless terminal unit is a wireless unit (651), a baseband processing unit (65
2) a control unit (654), a terminal database (655), and a data interface (653) with the video processing device (660). The connected video processing device (660) includes a position information database (663), a video information management database (664), and a camera (6
61) and a video processing unit for temporarily storing these signals and performing conversion processing and the like.

A base station (620) between the first and second wireless terminals,
The connection is made via an exchange (630) and a base station (640).

When the in-vehicle PS (610) connects to the camera-equipped PS (650) and requests a video information service, the following operation is performed, for example.

The vehicle-mounted PS (610) and the camera-equipped PS (650) are turned on. The operation mode of the navigation system is set to the video service by input from the display device. On the screen of the display device, a map of an area requesting the video information is called, and a position where the video information is provided or a specific PS with a camera is designated by a touch panel or key operation. By specifying the position information, the navigation system converts the position information into a camera-equipped PS number in the position data / PS # conversion unit (604). This number is transmitted to the in-vehicle PS (61) via the data interfaces (601) and (613).
0) to the communication network to establish a communication line with the wireless terminal unit (656) of the camera-equipped PS (650) (step 701),
The communication phase is entered (step 702). The navigation system (600) issues a video service request to the camera-equipped PS (650) (step 703), and upon completion of the reception (step 704), the navigation system (600) transmits the required video position information. (Step 705).

When the position information is received by the camera-equipped PS (650), the wireless terminal unit (656) operates as a data interface.
The attached image processing device (660) is called via (653), and the position information database (663) is called and the position information is collated. If OK, the result is transmitted to the vehicle-mounted PS (610) (step 706). ). Here the DT from the in-vehicle PS (610)
When various requests for the video service menu are made by operation from the MF or the navigation system, the menu is switched and designated by the video processing unit (662) of the camera-equipped PS (650). These menus are managed in the video information management database (steps 707, 70
8). If the location information, the service type, and the like match in both terminals, the video service is started (step 709).

In this embodiment, the navigation system (6
00), the video service end is activated (step 71).
0). Thus, the video service from the camera-equipped PS (650) ends (step 711). Navigation system
(600) notifies the in-vehicle PS (610) of the end of the video service (step 712), and the in-vehicle PS (610) and the PS with camera (650)
The wireless terminal unit (656) disconnects the line (step 713).

Referring to FIGS. 8 and 9, a detailed operation when the navigation system and the wireless terminal in the embodiment shown in FIG. 6 are connected will be described.

An ordinary navigation system includes a GPS receiver (811), a map information database (812), and a navigation device (81).
3), navigation control unit (815) and display device
(820). High-accuracy position detection is performed by synthesizing navigation data and GPS position data on the map information database. In this embodiment, only the map information is used.

In this embodiment, the navigation system (8
In 10), in addition to the above devices, a position information / connection number conversion unit (817), a conversion database (816) for mapping the position information and the connection number, a position designation unit (814), and a video signal conversion unit (818) ), Video and navigation information switch (819), and data interface with wireless terminal (82
It consists of 1). The connected wireless terminal (800) has a data interface (801). An operation example is shown below.

Wireless terminal (800) and navigation system
The power supply of (810) is turned on (steps 901 and 902). A video service is specified from the display device (820) of the navigation system (step 903), and the map information database (812) is called via the navigation control unit and a map for navigation is displayed on the display (step 903).
904). Here, a position at which a video service is requested is designated on the map by a touch panel or key operation (step 905).
The position specifying unit (814) checks whether the specified information input from the display device is in the map information database (812), and if the position specification is registered (step 906), the position information / connection is performed. The number conversion unit (817) converts the position information into the connection number (eg, telephone number) of the terminal to be connected (step 907). If the designated position is not registered in the map information database (812) as position information, the designation is changed (step 915), but if this is not possible, this service is disabled (step 91).
6). The position information / connection number conversion unit (817) is connected to a database (816) in which mapping between the position information of the navigation system and the terminal connection number is registered, and requests data for the position information conversion. When the conversion of the position information and the number is completed, each data interface (821) is transmitted from the navigation system (810) to the wireless terminal (800).
(Step 909) via the wireless terminal (80).
0) sets a communication line with the terminal of the other party using the number (step 910). When the communication line is established (step 911), the service is started (step 912). When the service ends (step 913), an end signal is notified from the navigation system to the wireless terminal, the communication line is disconnected (step 914), and the operation ends.

[0053]

As described above, by specifying the position or position information at which information is desired to be obtained by the wireless terminal, it becomes possible to connect to the target video information source. Images can be received by an automobile telephone using a mobile communication network, and images can be displayed on various displays mounted on the automobile. In particular, by using the navigation system together with the navigation system, it is possible to easily specify a position at which information is desired by using the position information of the map database of the navigation system.

Further, in a traffic information service, it is possible to receive a video image of a destination by simply designating the destination using a wireless communication network, thereby providing real-time traffic information and the like. Becomes possible.

The video captured by the video recording device is transferred to a video processing device for recording or transferring the video via a communication line. The video recording device and the video processing device can be connected by a communication line or a dedicated line. A line is connected from the wireless terminal to the video processing device using a wireless communication line. A user who desires a video service can receive a video by connecting a communication line from the wireless terminal and designating the location of the video from the wireless terminal. In addition, when a user wants to refer to an image recorded from a mobile terminal such as a car telephone connected to a communication network via a wireless communication line, it is necessary to specify a position. Generally, if information such as an address is known and can be mapped as position information on the video processing device side, it can be used as position information. Also, by using the GPS system,
Latitude and longitude can be obtained with considerable accuracy, and it is possible to use location information. If a car navigation system is used, the position can be specified directly on the map by specifying the position based on the position information of the map information system mounted on the vehicle. Furthermore, if the connection number of the video processing device and the location information have been mapped, the video information can be accessed simply by specifying the location on the map.

[Brief description of the drawings]

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

FIG. 2 is a diagram showing a detailed configuration of FIG. 1;

FIG. 3 is a diagram showing a signal flow in FIG. 2;

FIG. 4 is a diagram showing another embodiment of the present invention.

FIG. 5 is a diagram showing a detailed configuration of FIG. 4;

FIG. 6 is a diagram showing an embodiment in which a navigation system is connected in FIG. 5;

FIG. 7 is a diagram showing a signal flow in FIG. 6;

FIG. 8 is a diagram showing a connection between a navigation system and a wireless terminal.

FIG. 9 is a diagram showing operations of the navigation system and the connection wireless terminal in FIG. 8;

[Explanation of symbols]

 101: wireless terminal with camera 102: base station 1 103: exchange 104: video processing device 105: video database 106: base station 2 107: wireless terminal 108: car (with wireless terminal)

Claims (5)

[Claims] 1. In a wireless communication system in which a plurality of wireless terminals communicate with each other via a line connection, position storage means for storing position information for specifying a position where a first wireless terminal is installed among the plurality of wireless terminals. Image recording means for recording an image near the location where the first wireless terminal is installed; and generating a communication line signal based on the image information recorded by the image recording means and the position information stored in the position storage means. Communication line signal generating means, transfer means for transferring the communication line signal generated by the communication line signal generating means by line connection, and the video information and the position information transferred by the transfer means by line connection. Video information storage means for collecting and storing, and designating position information of a wireless terminal provided in a second wireless terminal of the plurality of wireless terminals and recording the video information Comprising a constant section, wherein the designation means and the second image information corresponding to the designated position information over a line from said image information storing means by
A wireless communication system for transmitting to a wireless terminal. 2. In a wireless communication system in which a plurality of wireless terminals communicate by line connection, position storage means for storing position information for specifying a position where a first wireless terminal of the plurality of wireless terminals is installed. Image recording means for recording an image near the location where the first wireless terminal is installed; and generating a communication line signal based on the image information recorded by the image recording means and the position information stored in the position storage means. Communication line signal generation means, transfer means for transferring the communication line signal generated by the communication line signal generation means by line connection, and the video information provided in a second wireless terminal of the plurality of wireless terminals Designating means for designating the position information of the wireless terminal having recorded therein, wherein the transfer means forwards video information corresponding to the position information designated by the designating means via a line. Wireless communication system, characterized by transferring to the second wireless terminal. 3. The wireless communication system according to claim 2, wherein said specifying means is a navigation means. 4. The wireless communication system according to claim 3, further comprising a table for mapping position information on map data provided in the navigation system and a line connection number of a video recording device actually installed at the position. A wireless communication system, comprising: 5. The wireless communication system according to claim 3, wherein said first wireless terminal includes a time keeping means for keeping time, and said video recording means takes the time kept by said time keeping means as a photographing time. A wireless communication system for transmitting with video information.