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Display device, center device, video display system, display device control method and center device control method

A technology of display device and central device, which is applied to the components of TV system, TV, image communication, etc., and can solve the problem of long disappearing time

Inactive Publication Date: 2008-04-16
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In this way, there is a problem that the erasing time needs to be set to be longer than the time when the visual disturbance actually occurs.

Method used

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  • Display device, center device, video display system, display device control method and center device control method
  • Display device, center device, video display system, display device control method and center device control method
  • Display device, center device, video display system, display device control method and center device control method

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Embodiment approach 1

[0059] Hereinafter, as a wireless AV system of a preferred embodiment of the present invention, a television receiving and reproducing system is taken as an example, and description will be made with reference to the accompanying drawings. FIG. 1 is a diagram showing a configuration example of a television receiving and reproducing system of this embodiment. FIG. 2 is a functional block diagram showing a configuration example of a wireless center unit (tuner side device) in the television receiving and reproducing system shown in FIG. 1. Fig. 3 is a block diagram showing the composition of a television (TV) main unit (monitor side device, TV side device) of the television receiving and reproducing system shown in Fig. 1. 4 is a diagram showing an example of the composition of data transmitted and received between the wireless center unit and the TV main unit in the television receiving and reproducing system shown in FIG. 1. Figure 5 It is a plan view showing an example of the co...

Embodiment approach 2

[0099] Next, a television receiving and reproducing system according to another embodiment of the present invention will be described with reference to FIGS. 8 and 9. Also refer to Figure 1~ Figure 6 . The components having the same functions as those described in the above-mentioned embodiment are denoted by the same reference numerals, and the description thereof will be omitted.

[0100] The television receiving and reproducing system 1 of this embodiment is characterized in that the wireless center 3 has a time stamp information acquiring unit that acquires first time stamp information during broadcast information encoding processing, and has a first time stamp acquired by this unit The information or predicted value is sent to the function of the TV main body 5 side. There are also two features: output the second time stamp information on the decoder side to the TV microcomputer 65; control the erasing timing based on the first time stamp information and the second time stamp...

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PUM

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Abstract

A TV microcomputer (65) transmits a channel switching processing request command to a wireless center microcomputer (41) via an SS transmission / reception unit (61) and an SS transmission / reception unit (45). The wireless center microcomputer (41) returns a response indicating that the channel switching processing request command has been received to the TV microcomputer (65) via the SS transmission / reception unit (45) and the SS transmission / reception unit (61). Next, the wireless center microcomputer (41) executes a request processing (118) relating to the channel switching processing request received and transmits processing completion information indicating that the request processing has been completed to the TV microcomputer (65). Upon reception of the processing completion information, a TV main body (5) performs screen mute processing for a predetermined period of time starting at the reception time and conceals the display turbulence attributed to the delay at the channel switching, thereby reducing the screen mute time.

Description

Technical field [0001] The present invention relates to a display device, a center device, a video display system, a display device control method, a center device control method, a display device control program, a center device control program, and a recording medium that records the program. Background technique [0002] In recent years, in the audiovisual receiving and reproducing system (AV (Audio Visual) system), many devices using thin liquid crystal displays have been developed as monitors (AV output devices) for reproducing (displaying) videos. When using a liquid crystal display, it has the big advantage that it can be used as a large-screen display and the display itself can be made light and thin. [0003] Taking advantage of this advantage, for example, a system that separates the tuner section and the monitor section of a television receiver and transmits video signals and audio signals from the tuner section to the monitor section is disclosed. In this system, an a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/44H04N21/438
Inventor 时本豊司
Owner SHARP KK