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Changing channel according to status of an image signal

A technology for image display equipment and image signals, which is applied in image communication, parts of color TVs, parts of TV systems, etc., which can solve the problems of users not being able to use factory mode, changing channel time, and inconvenience to users.

Inactive Publication Date: 2008-01-30
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This is inconvenient for the user and it takes a long time to enter the factory mode
As a result, the time required to change channels increases
[0008] In addition, if the factory mode is disabled in the image display device or the user cannot use the factory mode, a service must be requested
Thus, the inconvenience of the user is increased

Method used

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  • Changing channel according to status of an image signal
  • Changing channel according to status of an image signal
  • Changing channel according to status of an image signal

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Embodiment Construction

[0029] Matters such as detailed structures and elements described herein are provided to assist in a comprehensive understanding of the exemplary embodiments of the present invention, and are exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the exemplary embodiments described herein can be made without departing from the spirit and scope of the invention as defined in the claims. Also, descriptions of well-known functions and constructions are omitted for clarity and conciseness.

[0030] FIG. 1 is a block diagram of an image display device according to an exemplary embodiment of the present invention.

[0031] The image display device according to the present exemplary embodiment provides an automatic channel selection mode in which a wireless channel is automatically selected and a manual channel selection mode in which a user can manually select a wireless channel.

[0032] 1, an image display device a...

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PUM

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Abstract

Provided are a method for changing a channel according to a status of an image signal and an image display apparatus adopting the method. The method includes: determining a status of an image signal received from an external source; and if it is determined that the status of the received image signal is instable, changing a channel according to one of an automatic channel selection mode and a manual channel selection mode. Thus, a user can directly select a channel having good receiving sensitivity according to a change in a wireless environment without requesting services.

Description

technical field [0001] The method and apparatus according to the present invention relate to changing channels depending on the state of an image signal, and more particularly, to changing channels automatically or manually depending on the state of a wirelessly received image signal. Background technique [0002] An image display device is a device that displays images received wirelessly from an external source through an antenna. Examples of image display devices include, but are not limited to, mobile phones, personal digital assistants (PDAs), televisions (TVs), set-top boxes, and the like. [0003] Since such an image display device wirelessly receives an image signal, the strength of the received image signal is very important. In other words, since the displayed image is stopped or cut off according to the intensity of the received image signal, the image signal must be received through the highest intensity channel. [0004] In recent years, images received wirele...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/52H04N5/50H04N5/44H04N5/00
CPCH04N21/482H04N5/50H04N21/44209H04N21/4383
Inventor 李昌珍
Owner SAMSUNG ELECTRONICS CO LTD