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Out-hung type method and device for controlling TV set to search programmes

A TV and plug-in technology, which is applied in the field of controlling TV to search channels, to achieve low cost, improve production efficiency, and ensure autonomy

Inactive Publication Date: 2006-02-22
SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the above problems and provide a method and device for solving the problem of automatic channel search of the instrument control TV without changing any components of the current movement

Method used

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  • Out-hung type method and device for controlling TV set to search programmes
  • Out-hung type method and device for controlling TV set to search programmes
  • Out-hung type method and device for controlling TV set to search programmes

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Embodiment Construction

[0027] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.

[0028] An external device for controlling TV channel search, such as figure 1 As shown, it includes a processing unit, a liquid crystal display circuit, a start-up circuit and a reset circuit, wherein the liquid crystal display circuit, start-up circuit and reset circuit are respectively connected to corresponding input and output ports of the processing unit. During work, the clock line of the processing unit and the data line input and output port are correspondingly connected with the machine core IIC bus of the machine to be searched, and are used to detect the data on the TV IIC bus, and another input and output port of the processing unit is connected with the TV set. It is connected with the remote control REMOTE interface of the TV set, and is used to send the remote control modulation signal to the remote control REMO...

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Abstract

The invention relates to an external control method for controlling the TV to search programs and its relative device, which uses the external processing unit to send the open remote signal to the TV remote control interface, judges that the TV is opened according the caught data of IIC bus at right time, sends a remote code of one program to control the TV switch into said program and sends the remote orders of entering the 'searching program' and the 'starting searching' while catching the data of bus as feedback signal at right time. The inventive device comprises a single chip device, whose input-output port is connected to the IIC bus of TV chip when in working to detect the data of IIC bus, and another input-output port of said single chip device is connected and transmit the remote control signal to the remote interface of TV. The invention can solve the problem of using apparatus to control the TV to search program automatically without changing any structure of present TV.

Description

technical field [0001] The invention relates to a method and a device for controlling a TV, in particular to a method and a device for controlling a TV to search channels. Background technique [0002] Serial I 2 C-bus technology has been widely used in TV cores. It plays a very active role in shortening the development cycle, simplifying circuits, improving reliability, and automatically debugging during mass production. When the TV core starts to work, The master device passes data (SDA) and clock (SCL) two I 2 C line will be pre-stored in E 2 The parameters in the PROM are read out, and then directly D / A by the main control device or through the I 2 The C bus sends the data to the high-frequency tuner, decoding, audio, field IC and related auxiliary circuits for analog or logic control; during mass production and debugging, just operate and debug the remote control, send infrared remote control code instructions, and the TV infrared receiver decodes. Send the data to ...

Claims

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Application Information

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IPC IPC(8): H04N5/50H03J9/00H03J7/18
Inventor 王勇杨军治吴伟
Owner SHENZHEN SKYWORTH RGB ELECTRONICS CO LTD
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