JP2004200998A - Monitoring camera system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a monitoring camera system simple in its installation and sufficient in convenience. <P>SOLUTION: A radio communication terminal for viewing a monitored picture is provided with a position information acquiring means and a control means which automatically calls the monitoring camera when the terminal comes to a prescribed position. The monitoring camera system is composed of a control part operating a short range radio communication part for constant time by an incoming call from the radio communication terminal. <P>COPYRIGHT: (C)2004,JPO&NCIPI

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a surveillance camera system that uses a wireless communication terminal as an image display terminal.
[0002]
[Prior art]
Conventionally, there has been a surveillance camera system including a wireless communication terminal having an image display function and a surveillance camera device.
[0003]
By the way, there is one that operates a surveillance camera based on collation of a caller number or ID from a wireless communication terminal (for example, see Patent Document 1).
[0004]
[Patent Document 1]
JP 2001-266296 A [0005]
[Problems to be solved by the invention]
However, in the conventional surveillance camera system, installation of the surveillance camera device is troublesome. Further, a communication fee is always charged for a communication means of the monitoring camera device using a public wireless communication line. This is when the operator of the wireless communication terminal displaying the image is near the surveillance camera device, for example, when installing the surveillance camera device in the house and viewing the image from the entrance before entering the house But it costs communication charges. In such a case, it is desired to use another wireless communication means.
[0006]
Further, even in the case where image communication can be performed by two public wireless communication means and another wireless communication means, since the two wireless communication means are operated or the communication means are switched, especially the current consumption of the monitoring camera device, or The operation of the wireless communication terminal is complicated.
[0007]
There were many problems as described above.
[0008]
The present invention has been made by paying attention to the above points, and comprises a position information acquiring unit and a control unit for automatically calling a surveillance camera when a predetermined position is reached in a wireless communication terminal that views a monitoring image. It is another object of the present invention to provide a surveillance camera system including a control unit that operates a short-distance wireless communication unit for a predetermined time in response to an incoming call from the wireless communication terminal.
[0009]
[Means for Solving the Problems]
The present invention can solve the above problem by providing the following configuration.
[0010]
In the invention of claim 1 of the present invention, in a surveillance camera system including a wireless communication terminal having an image communication function of communicating with a public wireless base station via a wireless communication line and a wireless monitoring camera device, the wireless communication terminal includes: Short-range wireless communication means, position information acquisition means, control signal transmission means for transmitting a control signal to the wireless surveillance camera device, and detecting that the wireless communication terminal is at a predetermined position, transmitting the control signal A control means for transmitting the control signal from the means, a short-range wireless communication means, a control signal receiving means for receiving a control signal transmitted from the wireless communication terminal, and the control signal, Control means is provided for controlling the short-range wireless communication means to operate for a predetermined time when receiving.
[0011]
According to a second aspect of the present invention, in the surveillance camera system according to the first aspect, the control means controls the wireless communication terminal to operate the short-range wireless communication means for a predetermined time by a predetermined operation of the wireless communication terminal. Provided.
[0012]
According to a third aspect of the present invention, in the surveillance camera system according to the first aspect, when the wireless communication terminal detects that the wireless communication terminal is at a predetermined position, the short-range wireless communication means operates for a predetermined time. Control means for controlling the operation.
[0013]
According to a fourth aspect of the present invention, in the surveillance camera system according to any one of the first to third aspects, when the wireless communication terminal detects that the wireless communication terminal is at a predetermined position, the wireless communication terminal and the wireless monitoring camera device are connected to each other. Image communication is performed by the distance wireless communication means.
[0014]
According to a fifth aspect of the present invention, in the surveillance camera system according to any one of the first to fourth aspects, the position information acquiring means uses a global positioning system (GPS).
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
FIG. 1 is a system configuration diagram of a surveillance camera system embodying the present invention.
[0016]
As an embodiment of the present invention, a case will be described as an example where the wireless medium of public wireless communication is IMT-2000 and the wireless medium of short-range wireless communication is Bluetooth.
[0017]
In FIG. 1, 101 is a public network, 102 and 103 are communication lines connected to the public network, 104 and 105 are communication bases that accommodate the communication lines 102 and 103 and perform wireless communication with a wireless communication terminal and a monitoring camera device. A station 106 is a wireless communication terminal, and 107 is a monitoring camera device having a wireless communication function.
[0018]
FIG. 2 is a block diagram of the wireless communication terminal 106.
[0019]
In FIG. 2, 201 is a wireless communication terminal main unit, 202 is an RF unit for transmitting and receiving, 203 is an antenna for transmitting and receiving radio waves, 204 is a modulation and demodulation unit for modulating transmission data and demodulating received data, and 205 is an IMT-2000. A transmission processing unit that performs transmission signal processing from layer 1 to layer 3 of IMT-2000, a reception processing unit that performs reception signal processing from layer 1 to layer 3 of IMT-2000, and a data error 207 during data communication. A data communication processing unit that performs detection and correction processing; a control unit that performs various control processes; an RF unit that transmits and receives Bluetooth; an antenna that transmits and receives radio waves; a modulation and a transmission data transmission and reception unit; A modulation / demodulation for demodulating received data, and a baseband processing unit for performing other baseband signal processing, Reference numeral 12 denotes a data communication processing unit which performs data error detection and correction processing when performing data communication in Bluetooth, 213 denotes a control signal communication processing unit which communicates control signals with the monitoring camera device 107, and 214 denotes a compressed image signal. 215 is a GPS receiving unit, 216 is an antenna for receiving a GPS signal from a communication satellite, and 217 is a position for calculating position information from a GPS signal received by the GPS receiving unit 215 A calculation unit 218 is an operation unit of the wireless communication terminal, and 219 is a display unit of the wireless communication terminal.
[0020]
FIG. 3 is a block diagram of the monitoring camera device 107.
[0021]
In FIG. 3, reference numeral 301 denotes a monitoring camera device main unit; 302, an RF unit for transmitting and receiving; 303, an antenna for transmitting and receiving radio waves; 304, a modulation / demodulation unit for modulating transmission data and demodulating received data; The transmission processing unit 306 performs transmission signal processing from layer 1 to layer 3 of IMT-2000, the reception processing unit 306 performs reception signal processing from layer 1 to layer 3 of IMT-2000, and 307 is a data error when performing data communication. A data communication processing unit that performs detection and correction processing, a control unit 308 that performs various control processes, an RF unit 309 that transmits and receives Bluetooth, an antenna 310 that transmits and receives radio waves, 311 that modulates transmission data of Bluetooth, Modulation / demodulation for demodulating received data and baseband processing unit for performing other baseband signal processing Reference numeral 312 denotes a data communication processing unit which performs data error detection and correction processing when performing data communication in Bluetooth, 313 denotes a control signal communication processing unit which communicates control signals with the wireless communication terminal 106, and 314 denotes an image signal compression processing. 315 is a lens, and 316 is an image input processing unit that processes image pickup input to the lens as an image input signal and converts the image into an image signal that can be processed by the image signal compression processing unit 314. .
[0022]
Next, the operation of the embodiment of the present invention will be described.
[0023]
FIG. 4 is an operation flowchart for explaining the embodiment of the present invention.
[0024]
Here, as an example, the surveillance camera device 107 is installed in the home of the wireless communication terminal operator, and a predetermined operation of the operation unit 218 sets the position in front of the operator's home, and this information is Description will be given assuming that the state is managed by the control unit 208.
[0025]
In the wireless communication terminal 106, the position information is always calculated by the position calculating unit 217 based on the signal received by the GPS receiving unit 215 (S401).
[0026]
Upon detecting that the position information calculated by the position calculation unit 217 has reached the front of the home based on the signal received by the GPS reception unit 215 (S402), the control unit 208 notifies the control signal communication processing unit. 213 is notified. The control signal communication processing unit 213 controls the transmission processing unit 205 and the reception processing unit 206 so as to call the monitoring camera device 107.
[0027]
When a call is made to the surveillance camera device 107 (S403), and the surveillance camera device 107 receives a call (S404), the surveillance camera device 107 checks whether the call has been received from the wireless communication terminal 106 to transmit the call. Confirm the user number. Here, a description will be given assuming that the caller number of wireless communication terminal 106 is registered in advance.
[0028]
If the incoming call is from the wireless communication terminal 106 (S405), the process waits for reception of control data from the wireless communication terminal 106.
[0029]
Next, when the wireless communication terminal 106 detects that the surveillance camera device 107 has responded to the incoming call (S406), the control signal communication processing unit 213 sends the surveillance camera device 107 a control signal of a request to start operation of the Bluetooth communication unit (S407). ).
[0030]
In the monitoring camera device 107, when the control signal communication processing unit 213 detects that the control signal has been received (S408), it notifies the control unit 308 of that fact. The control unit 308 controls the RF unit 309, which is a Bluetooth communication unit, the baseband processing unit 311, and the data communication processing unit 312 to operate for a predetermined time (S409).
[0031]
Next, when the operator performs a predetermined operation for performing image communication, the control unit 208 causes the RF unit 209, which is a Bluetooth communication unit, the baseband processing unit 211, and the data communication processing unit 212 to operate for a predetermined time. To control.
[0032]
Then, a command signal of an image transmission request is sent from the wireless communication terminal 106 to the monitoring camera device 107 by Bluetooth wireless communication (S410). When the monitoring camera device 107 receives this signal, the monitoring camera device 107 sends the image signal being captured to the wireless communication terminal 106 by wireless communication using Bluetooth (S411). The wireless communication terminal 106 receives this image signal and sequentially displays it on the display unit 219 (S412).
[0033]
In this embodiment, the surveillance camera device 107 checks the caller number in order to check whether the call has been received from the wireless communication terminal 106. However, another method, such as a password transmission, may be used.
[0034]
By a predetermined operation of the wireless communication terminal 106, the control unit 208 of the wireless communication terminal 106 causes the RF unit 209, which is a Bluetooth communication unit, the baseband processing unit 211, and the data communication processing unit 212 to operate for a predetermined time. When the wireless communication terminal 106 is at a predetermined position, the control unit 208 operates the RF unit 209, which is a Bluetooth communication unit, the baseband processing unit 211, and the data communication processing unit 212 for a predetermined time. May be controlled as described above.
[0035]
(Other embodiments)
In the above embodiment, IMT-2000 is used as a medium for wireless communication, but the same operation can be performed with other wireless communication medium, and the same effect can be obtained.
[0036]
【The invention's effect】
As described above, according to the present invention, in a surveillance camera system including a wireless communication terminal having an image communication function of communicating with a public wireless base station via a wireless communication line and a wireless monitoring camera device, the wireless communication terminal includes: Short-range wireless communication means, position information acquisition means, control signal transmission means for transmitting a control signal to the wireless surveillance camera device, and detecting that the wireless communication terminal is at a predetermined position, transmitting the control signal A control means for transmitting the control signal from the means, a short-range wireless communication means, a control signal receiving means for receiving a control signal transmitted from the wireless communication terminal, and the control signal, When receiving, a control means for controlling the short-range wireless communication means to operate for a predetermined time is provided. A control means for controlling the short-range wireless communication means to operate for a predetermined time by an operation is provided, so that when the wireless communication terminal is at a predetermined position, a simple operation does not require a communication fee and the proximity is possible. Images can be viewed using range wireless communication means. In particular, the power consumption of the wireless monitoring camera device can be reduced. Therefore, the wireless surveillance camera device can perform a battery operation for a long time, and depending on the usage form, a power cord is not required in many cases, and installation is simplified.
[0037]
Further, when the wireless communication terminal detects that the wireless communication terminal is at a predetermined position, control means for controlling the short-distance wireless communication means to operate for a predetermined time is provided, so that it is simpler. The image can be viewed using the short-range wireless communication means without requiring a communication fee by a simple operation.
[0038]
There are extremely excellent effects as described above.
[Brief description of the drawings]
FIG. 1 is a block diagram of a system embodying the present invention. FIG. 2 is a block diagram of a wireless communication terminal. FIG. 3 is a block diagram of a monitoring camera device. FIG. 4 is an operation flow diagram for explaining an embodiment of the present invention. [Explanation of symbols]
101 public network 102, 103 communication line 104, 105 wireless base station 106 wireless communication terminal 107 monitoring camera device 201 wireless communication terminal main unit 202 RF unit 203 antenna 204 modulation / demodulation unit 205 transmission processing unit 206 reception processing unit 207 data communication processing unit 208 Control unit 209 RF unit 210 Antenna 211 Baseband processing unit 212 Data communication processing unit 213 Control signal communication processing unit 214 Image signal decompression processing unit 215 GPS receiving unit 216 Antenna 217 Position calculation unit 218 Operation unit 219 Display unit 301 Monitoring camera device body Unit 302 RF unit 303 antenna 304 modem unit 305 transmission processing unit 306 reception processing unit 307 data communication processing unit 308 control unit 309 RF unit 310 antenna 311 baseband processing unit 312 data communication processing unit 313 control signal communication processing Processing unit 314 image signal compression processing unit 315 lens 316 image input processing unit

Claims (5)

In a monitoring camera system including a wireless communication terminal having an image communication function for communicating with a public wireless base station via a wireless communication line and a wireless monitoring camera device,
The wireless communication terminal includes a short-range wireless communication unit, a position information acquiring unit, a control signal transmitting unit that transmits a control signal to the wireless monitoring camera device, and detecting that the wireless communication terminal is at a predetermined position. A control means for transmitting the control signal from the control signal transmitting means is provided,
The wireless monitoring camera device includes a short-range wireless communication unit, a control signal receiving unit configured to receive a control signal transmitted from the wireless communication terminal, and receiving the control signal. A surveillance camera system, comprising a control unit for controlling operation. In the surveillance camera system,
The surveillance camera system according to claim 1, wherein the wireless communication terminal is provided with control means for controlling the short-range wireless communication means to operate for a predetermined time by a predetermined operation of the wireless communication terminal. In the surveillance camera system,
The wireless communication terminal further comprises control means for controlling the short-range wireless communication means to operate for a predetermined time when the wireless communication terminal detects that the wireless communication terminal is at a predetermined position. Item 2. The surveillance camera system according to Item 1. In the surveillance camera system,
4. The wireless communication terminal and the wireless monitoring camera device perform image communication by the short-range wireless communication unit when detecting that the wireless communication terminal is at a predetermined position. The surveillance camera system according to the above. In the surveillance camera system,
The surveillance camera system according to any one of claims 1 to 4, wherein the position information acquisition unit is a global positioning system (GPS).

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