JPH07225884A - Image transmitting device with monitor - Google Patents

Abstract

PURPOSE:To provide an image transmitting device which digitally stores the person who is detected by a sensor and photographed by a camera and displayed the stored person on a TV monitor or transmitting the person to a public circuit as necessary. CONSTITUTION:An image transmitting device is provided with an input means 1 for the requested information, a RAM 2, a MODEM 3, an NCU 4, a VRAM 5 which stores the image data, a D/A converter means 6, an output part 8 which transmits the signals to a TV monitor 40, etc., a control means 10 which controls the RAM 2, etc., by the program of a ROM 11, a camera input part 9a, an A/D converter means 12, a 1st VRAM 13 and a 2nd VRAM 14 which store the digital image data, an image comparator means 15 which compares the data of both VRAM 13 and 14 with each other, and a sensor input part 16. The video signals of a camera, etc., are stored in the VRAM 14 by a sensor signal. When the sensor signal is not available, the video signals of the camera are compared with the image data of the VRAM 13. When only the image data of the VRAM 14 different from those of the VRAM 13 are displayed on the monitor 40 or transmitted to a public circuit.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an image transmitting apparatus, and more particularly to an image transmitting apparatus with monitoring which is also used as a monitoring apparatus for monitoring an operator or the like entering a screen.

[0002]

2. Description of the Related Art As shown in FIG. 3, a conventional image transmission apparatus includes an input means for inputting request information, a memory for temporarily storing data, a modem for transmitting the data stored in the memory to a public line, and An NCU (network control unit), a VRAM for temporarily storing the data received from the public line through the NCU and the modem in the memory, storing the image data stored in the memory, and D for converting the image data into an analog signal. A / A conversion means, a TV monitor for displaying the analog image data, and a control means for controlling the memory, modem, NCU, VRAM, D / A conversion means and the like according to a program written in ROM, Request information from the input means is sent to the center from the public line, and reply information from the center for the request is received, It has been displayed in the V monitor. However, since such an image transmission device is often installed and used in an unmanned place, it may be used or destroyed by a child or a careless person for an unintended purpose.

[0003]

In order to solve such a problem, the present invention detects a person with a sensor, digitizes and stores a video signal from a camera or the like, and reads the stored data as necessary. It is an object of the present invention to provide a device that can be displayed on a TV monitor or transmitted from a public line to a center or the like.

[0004]

In order to solve the above-mentioned problems, the present invention sends an input means for inputting request information, a memory for temporarily storing data, and the data stored in the memory to a public line. The modem and NCU (network control unit) and data received from the public line through the NCU and the modem are temporarily stored in the memory,
VRAM for storing image data stored in the memory
A D / A converter for converting the image data into an analog signal; an output unit for sending the analog image data to a TV monitor or the like; the memory, the modem, the NCU, the VRAM, according to the program written in the ROM. An image transmission device comprising a D / A conversion means and other control means for controlling the D / A conversion means, sending request information from the input means to the center through the public line, receiving reply information to the request from the center, and displaying the information on a TV monitor. In, a camera input unit for inputting a video signal of a camera, an A / D conversion unit for converting the analog signal into a digital signal, a first VRAM and a second VRAM for storing the digital image data, and the first VRAM.
The first VRAM is compared by comparing the data in the RAM and the second VRAM.
An image comparison means for inputting image data of a second VRAM different from the above to the RAM and a sensor input section for inputting a signal from an infrared sensor or the like are provided, and the control means controls by the sensor signal input to the sensor input section. VR for storing the video signal of the camera or the like in the second VRAM and storing the video signal of the camera or the like when there is no sensor signal
The second which is different from the first VRAM as compared with the image data of AM
Display only VRAM image data on TV monitor, or
I try to send it to the public line.

[0005]

With the above construction, in the image transmission device with monitoring according to the present invention, when the sensor detects a person, the image signal from the camera or the like is digitized and stored, and compared with the image data when there is no person. Then, it is possible to selectively store only the signal of the person, display it on the TV monitor as needed, and transmit it to the nearest place such as the center through the public line.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an image transmission device with monitoring according to the present invention will be described below in detail with reference to the drawings. FIG. 1 is a block diagram of essential parts showing an embodiment of an image transmission apparatus with monitoring according to the present invention. In the figure, reference numeral 1 denotes an input means, which is a means such as a keyboard for an operator such as a customer to input request information.
A RAM 2 temporarily stores data from the input means 1 and the like. Reference numeral 3 is a modem, and 4 is an NCU (network control unit), which sends the data stored in the RAM 2 to a public line. A VRAM 5 temporarily stores in the RAM 2 the data received from the public line through the NCU and the modem, and stores the image data stored in the RAM 2. A D / A conversion unit 6 converts the image data into an analog signal. Reference numeral 7 denotes a video signal switching means, which switches between a camera input section 9a for inputting a video signal from the camera 30 and the like, a TV input section 9b for inputting a broadcast reception signal from the TV, and a signal from the D / A converting section 6. ing. Reference numeral 8 is an output means for sending the switched signal to the TV monitor 40. 10 is a control means, R
R according to the program written in OM11
It controls the AM 2, the modem 3, the NCU 4, the VRAM 5, the D / A conversion means 6 and the like. Reference numeral 12 is an A / D conversion means, which converts the video signal of the camera 30 into a digital signal.
The digital image data is stored in the first VRAM 13 and the second VR.
Stored in the AM 14, and the first VRAM 13 and the second VRA
The data of M14 are compared and different signal data are sent to the RAM.
Image comparison means 15 input to 2 and infrared sensor 5
A sensor input unit 16 for inputting a signal from 0 is provided,
The control unit controls the sensor signal input to the sensor input unit to control the video signal of the camera 30 or the like to the second V
Compared with the image data of the first VRAM 13 that stores the video signal of the camera 30 or the like stored in the RAM 14 when there is no sensor signal, only a different signal is displayed on the TV monitor 40 or sent to the public line via the modem 3. I am trying. Reference numeral 17 denotes an I / F which sends and receives the data in the RAM 2 to the storage device 60 and the printer 70 in the same data format.

The operation of the above arrangement will be described below. First, as a normal operation, in this apparatus, an operator such as a customer inputs request information from the input means 1 and sends the data to the center or the like from the public line via the modem 3 and NCU.
The answer information to the request is sent from the center etc. to the modem 3, N
The image information or the like is received in the VRAM 5, stored in the VRAM 5, converted into an analog signal by the D / A conversion means 6, and displayed on the TV monitor 40 via the signal switching means 7.
The received TV broadcast is used by being displayed on the TV monitor 40 via the signal switching means 7 and the output means 8. Next,
The operation of this device as a monitoring device will be described. Figure 2-a,
2B shows an image captured by the surveillance camera 30, and FIG. 2A shows an image when there is no operator such as a customer, and FIG.
-B is an image in which an operator such as a customer is present. FIG. 2C is shown in FIG.
-B and the image of FIG. 2-a are compared, and FIG.
FIG. 2B is an image in which the image of FIG. 2-B different from the image of FIG.
First, the image signal of FIG. 2-a in which there is no operator such as a customer from the surveillance camera 30 is digitally converted by the A / D conversion means 12 and stored in the first VRAM 13. Next, when the sensor 50 detects an operator such as a customer, the image signal of FIG. 2-b in which the operator such as a customer is present from the surveillance camera 30 is digitally converted by the A / D conversion means 12 and stored in the second VRAM 14. To do. The image comparing means 15 shown in FIG. 2-a stored in the first VRAM 13 and the image shown in FIG. 2-b stored in the second VRAM 14.
Image of FIG. 2C and the image data of FIG.
Temporarily store in M2. The image data of FIG. 2C stored in the RAM 2 is stored in the storage device 60 via the I / F 17, and is also output to the public line via the modem 3 and NCU 4 and transmitted to the image transmission device such as the center. It The storage device 60 is also operated by inputting a command from the input device.
The image data stored in the
It can be output and displayed on the TV monitor via the output means 8. Further, when receiving a data transfer command from the center or the like through the public line, the image data stored in the storage device 60 can be read and the data can be transferred to the center or the like through the public line.

[0008]

As described above, according to the image transmission device with monitoring according to the present invention, the operator such as a customer can be detected by the sensor 50.
Is detected, the video signal from the camera etc. 30 is digitized and temporarily stored, and the data amount is reduced and stored in the storage device as the data only for the operator as compared with the screen when the operator is not present. Since it is possible to speedily read the stored data and display it on the TV monitor or transmit it to the center or the like through the public line as needed by the output command from the input means 1 or the output command from the center or the like through the public line. It is useful for crime prevention and theft investigation of the device or theft by a mindless person.

[Brief description of drawings]

FIG. 1 is a block diagram of essential parts showing an embodiment of an image transmission device with monitoring according to the present invention.

FIG. 2 is an image example for explaining the operation of the image transmission device with monitoring according to the present invention.

FIG. 3 is a principal block diagram showing an embodiment of a conventional image transmission device.

[Explanation of symbols]

 1 Input Means 2 RAM 3 Modem 4 NCU 5 VRAM 6 D / A Converter 7 Image Signal Switching Means 8 Output Means 9a Camera Input 9b TV Input 10 Control Means 11 ROM 12 A / D Converter 13 First VRAM 14th VRAM 15 of 2 Comparing means 16 Sensor input unit 17 I / F 30 Surveillance camera 40 TV monitor 50 Sensor 60 Storage device 70 Printer

Claims (3)

[Claims] 1. An input unit for inputting request information, a memory for temporarily storing data, a modem and an NCU (network control unit) for sending data stored in the memory to a public line, and an NCU and a modem from the public line. Temporarily stores the data received through the memory,
VRAM for storing image data stored in the memory
A D / A converter for converting the image data into an analog signal; an output unit for sending the analog image data to a TV monitor or the like; the memory, the modem, the NCU, the VRAM, according to the program written in the ROM. An image transmission device comprising a D / A conversion means and other control means for controlling the D / A conversion means, sending request information from the input means to the center through the public line, receiving reply information to the request from the center, and displaying the information on a TV monitor. In, a camera input unit for inputting a video signal of a camera, an A / D conversion unit for converting the analog signal into a digital signal, a first VRAM and a second VRAM for storing the digital image data, and the first VRAM.
The first VRAM is compared by comparing the data in the RAM and the second VRAM.
An image comparison means for inputting image data of a second VRAM different from the above to the RAM and a sensor input section for inputting a signal from an infrared sensor or the like are provided, and the control means controls by the sensor signal input to the sensor input section. VR for storing the video signal of the camera or the like in the second VRAM and storing the video signal of the camera or the like when there is no sensor signal
The second which is different from the first VRAM as compared with the image data of AM
Display only VRAM image data on TV monitor, or
An image transmission device with monitoring, which transmits to a public line. 2. An input unit for inputting request information, a memory for temporarily storing data, a modem and an NCU (network control unit) for sending data stored in the memory to a public line, and an NCU and a modem from the public line. Temporarily stores the data received through the memory,
VRAM for storing image data stored in the memory
A D / A converter for converting the image data into an analog signal; an output unit for sending the analog image data to a TV monitor or the like; the memory, the modem, the NCU, the VRAM, according to the program written in the ROM. An image transmission device comprising a D / A conversion means and other control means for controlling the D / A conversion means, sending request information from the input means to the center through the public line, receiving reply information to the request from the center, and displaying the information on a TV monitor. In, a camera input unit for inputting a video signal of a camera, an A / D conversion unit for converting the analog signal into a digital signal, a first VRAM and a second VRAM for storing the digital image data, and the first VRAM.
The first VRAM is compared by comparing the data in the RAM and the second VRAM.
Image comparing means for inputting image data of a second VRAM different from the above to the RAM, a sensor input section for inputting a signal from an infrared sensor or the like, and an I / F for outputting the image data from the RAM to a storage device, a printer or the like. Means is provided, and the control means controls the sensor signal input to the sensor input section to control the video signal of the camera or the like to the second V
Compared with the image data of the first VRAM which is stored in the RAM and stores the video signal of the camera etc. when there is no sensor signal, only the image data of the second VRAM different from the first VRAM is displayed on the TV monitor or sent to the public line. With
An image transmission device with monitoring, which is stored in a storage device or printed out as needed. 3. Input means for inputting request information, a memory for temporarily storing data, a modem and an NCU (network control unit) for sending data stored in the memory to a public line, and an NCU and a modem from the public line. Temporarily stores the data received through the memory,
VRAM for storing image data stored in the memory
A D / A converter for converting the image data into an analog signal; an output unit for sending the analog image data to a TV monitor or the like; the memory, the modem, the NCU, the VRAM, according to the program written in the ROM. An image transmission device comprising a D / A conversion means and other control means for controlling the D / A conversion means, sending request information from the input means to the center through the public line, receiving reply information to the request from the center, and displaying the information on a TV monitor. In, a camera input unit for inputting a video signal of a camera, an A / D conversion unit for converting the analog signal into a digital signal, a first VRAM and a second VRAM for storing the digital image data, and the first VRAM.
The first VRAM is compared by comparing the data in the RAM and the second VRAM.
Image comparing means for inputting image data of a second VRAM different from the above to the RAM, a sensor input section for inputting a signal from an infrared sensor or the like, and an I / F for outputting the image data from the RAM to a storage device, a printer or the like. Means, and a camera input section, a TV input section for inputting a broadcast reception signal from a TV monitor, and an output signal switching section for switching and outputting a signal from the output section, and a sensor input to the sensor input section The video signal of the camera or the like is controlled by the signal to be stored in the second VRAM, and only the different signal is compared with the image data of the first VRAM which stores the video signal of the camera or the like when there is no sensor signal.
An image transmission device with monitoring characterized in that it is displayed on a V monitor or sent to a public line and stores or prints out necessary data in a storage device as needed.