JPH04159891A - Picture display device - Google Patents

Abstract

PURPOSE:To display not only picture data from a memory but also pictures from a camera by displaying the picture data stored in the memory or picture data from a camera interface section when a computer receives a picture switching signal from the camera interface section or an input device. CONSTITUTION:When a user wants to display a picture retrieved from a host CPU, the user generates a picture switching request signal by operating an input device 1. A CPU 3 informs a picture switching control section 7 of the picture switching request and the section 7 displays picture data stored in a memory 4 on a displaying section 5. When the CPU 3 receives a picture switching request signal 26 from an intercom camera side, the CPU 3 informs the section 7 of the request by generating a picture switching command signal 27 and makes a camera interface section 6 to fetch picture data 28 from the intercom camera. As a result, the picture data are sent to the displaying section 5 for display. Therefore, not only the data of a retrieved picture but also the data of camera pictures can be displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an image display device that receives and displays image data via remote communication.

[Conventional technology]

Figure 2 shows, for example, the ``14th Automatic Meter Reading Seminar'' Introduction of Automatic Meter Reading System, Dissemination Measures, and Multipurpose Utilization Technology J
(JATEC)'' is a block diagram showing a conventional image display device shown in ``. A communication control unit 3 receives image data; 3 is a CPU that processes input data from the input device 1; and 4 decodes received screen data;
5 is a memory for storing programs and screen data, and 5 is a display unit for displaying the screen. 21 is a transmission data signal and a reception data signal of screen search data, 23 is a screen search number signal that connects the communication control unit 2 and CPU 3, and 24 is a CP
A program and screen data signal connects U3 and memory 4, and a display data signal 25 connects memory 4 and display unit 5.

In this configuration, the display section 5 always displays a many-knee screen. By operating the switch on input device 1,
When the screen search is performed, screen search number data 23 is transmitted. When the CPU 3 receives this transmission, it transmits the screen search number data 21 via the communication control section 2 to a remote higher-level CPU. The retrieved image data from the host CPU is received via the communication control unit 2,
The image data of the received search image is decoded by the CPU 3. This decoded image data is stored in the memory 4 and then displayed on the display section 5.

[Problem to be solved by the invention]

In this way, the display unit 5 displays only the image (still image) of the decoded image data stored in the memory 4, so the display content is limited to this still image and other images, such as from a doorbell camera, are displayed. There was a problem in that images and the like could not be displayed on the display section 5, and the display contents were limited.

The present invention has been made to solve the above problems, and an object of the present invention is to provide an image display device that can display not only image data from a memory but also images from a camera.

[Means to solve the problem]

In order to solve the above problems, the present invention provides a computer that receives and decodes image data searched on the screen via an input device from a remote computer via a communication control unit, An image display device comprising a memory for storing image data and a display section for displaying image data stored in the memory, the image display device having a camera interface section and an image switching control section, the computer controlling image switching from the camera interface section or the input device. When the signal is received, the image data stored in the memory or the image data from the camera interface section is displayed on the display section.

[Effect]

In the present invention, by applying an image switching signal, it is possible to arbitrarily switch from a still image from a remote location to a moving image from a video camera, or from a moving image to a still image.

〔Example〕

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

In FIG. 1, a camera interface section 6 digitally processes an analog video signal from an intercom camera and sends its output (image data) 28 to the display section 5 through an image switching control section 7. 26 is an image switching request signal from the camera interface unit 6 to the CPU 3; 27
is an image switching command signal sent from the CPU 3 to the image switching control section 7. Since the other configurations are the same as those in FIG. 2, they are indicated by the same reference numerals.

In this configuration, if the user wants to display the search screen from the higher-level CPU, he operates the input device 1 and
Generates an image switching request signal.

The CPU 3 notifies the image switching control section 7 that there is an image switching request, and the image switching control section 7 causes the display section 5 to display the image data stored in the memory 4. When the CPU 3 receives the image switching request signal 26 from the doorphone camera side, it generates an image switching command signal 27 to notify the image switching control section 7 that there is an image switching request, and the camera interface section 6
import image data 28 from the doorbell camera,
This image data is sent to the display section 5 and displayed.

In the above embodiment, a dedicated display unit 5 is used, but by providing a video terminal, it can be connected to a commercially available TV.

〔Effect of the invention〕

As explained above, the present invention is provided with a camera interface section so that not only data on the search screen but also data on the camera screen can be taken in, and an image switching control section is provided so that both screens (still image and camera screen) can be taken in. By making it possible to switch and display data (images), the types of images that can be displayed can be increased compared to the past, and the range of use is expanded.

[Brief explanation of the drawing]

FIG. 1 is a block diagram showing an embodiment of the present invention, and FIG. 2 is a block diagram showing a conventional image display device. In the figure, 1...input device, 2...communication control unit,
3-CPU, 4-Memory, 5-Display unit, 6-Camera interface unit, 7-Image switching control unit. In addition, in the figures, the same reference numerals indicate the same or corresponding parts.

Claims (1)

[Claims] A computer that receives and decodes image data screen searched through an input device from a remote host computer via a communication control unit, a memory that stores the decoded image data, and a computer that decodes the image data that is stored in this memory. The image display device includes a video camera, a camera interface section, and an image switching control section, and when the computer receives an image switching signal from the camera interface section or the input device, the computer stores the image switching signal in the memory. An image display device characterized by displaying image data from a camera interface unit or image data from a camera interface unit on a display unit.