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Wireless AV system, av system station selection method

A wireless, channel selection technology, applied in the field of AV system, can solve problems such as poor response

Inactive Publication Date: 2011-06-15
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the wireless AV transmission system, there is a problem of poor response to the user's input due to the delay time depending on the above-mentioned time interval related to the exchange of commands (the channel cannot be selected smoothly).

Method used

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  • Wireless AV system, av system station selection method
  • Wireless AV system, av system station selection method
  • Wireless AV system, av system station selection method

Examples

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Embodiment Construction

[0039] The wireless AV system of the present invention has a form in which a monitor (AV output device) and a wireless center equipped with a tuner are separated from each other, and is a system for communicating between the two, and in particular, the monitor side and the tuner side are wirelessly performed. Communication system. Such a system is characterized in that the monitor side stores skip information on whether or not there is a TV station corresponding to the channel number.

[0040] Skip information is, for example, when remote control input is performed on the monitor side, and when information is sent to the monitor side to request automatic search for channel setting, for example, the monitor side acquires the actual tuner side in the form of responding to the above-mentioned request. Skip information obtained, for example, from the results of an automatic channel search. By storing this information in advance in the storage unit provided on the monitor side, th...

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Abstract

A TV microcomputer makes a request to a wireless center microcomputer through a SS transmitting / receiving unit in a TV main unit and a SS transmitting / receiving unit in a wireless center, and the wireless center microcomputer sends a response for notifying reception of the request command to the TV microcomputer through the SS transmitting / receiving unit in the wireless center and the SS transmitting / receiving unit in the TV main unit. The TV microcomputer processes the received request for an auto scan, and transmits channel identification information for setting a channel, which includes skip information indicative of whether or not a station for the channel exists, to the TV microcomputer as a response for notifying completion of the process. The channel identification information is stored in the TV main unit. Further, when an up-down channel selection is performed, the channel identification information is referred to to identify a selected channel, and the identified channel is transmitted to the wireless center as a direct channel selection command. This reduces a delay time involved in the exchange of commands.

Description

[0001] field of invention [0002] The present invention relates to an AV system, in particular to a wireless AV system in which an AV output device and a wireless center are separated and can be connected by radio communication, an AV system, a wireless center, an AV output device, a channel selection method, a channel selection data generation method, A control program and a computer-readable recording medium recording the program. Background technique [0003] In recent years, many devices using a thin liquid crystal display device as a monitor portion for reproducing (displaying) video in a video and audio receiving and reproducing system (AV system) have been developed. If a liquid crystal display device is used, it has the outstanding advantage that the display device itself can be made lightweight and thin although it can display a large screen. [0004] For example, Patent Documents 1 and 2 disclose systems in which, for example, a tuner unit and a monitor unit of a ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/44G06F13/00H04N5/00H04N5/50H04N7/173H04N21/4363H04Q9/00
CPCH04N5/4401H04N21/6131H04N5/38H04N5/50H04N7/17318H04N21/4383H04N21/4126H04N21/426H04N21/41265H04N5/44
Inventor 时本豊司西田伸一
Owner SHARP KK
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