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Television signal receiver and remote control instruction device and television signal receiving method

A technology for digital broadcasting and receivers, which is applied in the field of program conversion devices and can solve problems such as difficulty in channel conversion and user disappointment.

Inactive Publication Date: 2005-06-15
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when the number of channels that can be received increases, the channel is often switched until the user determines the program (channel) to be received, so that each channel switching will require time for synchronization and decoding processing
This delay in receiving data can be a cause of frustration for users
[0004] Additionally, in addition to the aforementioned response time issues, it becomes even more difficult to switch channels quickly if the operations for channel switching are complicated

Method used

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  • Television signal receiver and remote control instruction device and television signal receiving method
  • Television signal receiver and remote control instruction device and television signal receiving method
  • Television signal receiver and remote control instruction device and television signal receiving method

Examples

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Embodiment Construction

[0048] Preferred embodiments of the present invention will be described with reference to various drawings.

[0049] figure 1 It is a diagram of a configuration example of an AV (Audio Visual) system to which the present invention is applied. In this embodiment, the AV system 1 includes an IRD (Integrated Receiver / Decoder) for demodulating a signal received from an unillustrated satellite (broadcasting satellite or communication satellite) via a parabolic antenna 3 and a monitor device 4. ). The monitor slave device 4 and the IRD2 are connected to each other by the AV line 11 and the control line 12 .

[0050] The AV system is constructed so that commands from the remote commander 5 can be input to the IRD 2 using infrared (IR) signals. In other words, when a predetermined button switch among the button switches 50 of the remote commander 5 is operated or activated, an infrared signal corresponding to the button is emitted from the IR sending part 51 and transmitted by the...

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PUM

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Abstract

A television signal receiver and remote commander therein and a television signal receiving method capable of preventing image disorder and an invisible state of images when a channel (program) is switched. When it is instructed to switch from one program to another in a state where the program picture of a predetermined channel is displayed, at step SP111, the picture of the currently received program is changed to a still picture and the sound is silenced. Then in step SP212, the receiving process of the channel starts after switching. At step SP113, the process waits until the process of channel switching is terminated, and when it is terminated, the still picture and mute set at step SP111 are released at step SP114.

Description

technical field [0001] The present invention relates to a program conversion device and its method, which are used for receiving digital TV broadcasts according to electronic program indication information, such as receiving broadcasts via satellites and converting broadcast channel programs. Background technique [0002] Recently, a system has prevailed for digitizing television signals and signals transmitted via satellites, such as broadcasting satellites and communication satellites, and for receiving the signals at remote locations, such as homes. In such a system it is possible to determine or access, for example, approximately 200 channels. Therefore, a very large amount of information may be broadcast. [0003] However, when the frequency of reception is switched and the image decoding process is started after the user's selection key operation, for example, by an MPEG decoder, the desired received image will be displayed after the time required for the synchronizat...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N5/44H04N5/445H04N5/60H04N7/025H04N21/41H04N21/422H04N21/431H04N21/438H04N21/47H04N21/482H04N21/488
CPCH04N5/60H04N7/0255H04N21/42204H04N21/4316H04N21/4384H04N21/47H04N21/482H04N21/488H04N21/4112H04N5/50
Inventor 花谷博幸汤地洋文T·太田
Owner SONY CORP