Automatic level adjusting system for a television receiver

Details Automatic level adjusting system for a television receiver Automatic level adjusting system for a television receiver

H - Electricity

04

N

350/83

H04N 5/44 (2006.01) H04N 9/73 (2006.01)

Patent

CA 1305789

ABSTRACT OF THE DISCLOSURE An automatic level adjusting system for a television receiver which is suitable as its automatic white balance adjusting circuit. In the manufacturing- process of the television receiver, desired data is selected from a positional data group of black or white reference pulse signal to be inserted into a video signal and is stored in a non-volatile memory, whereby when an image is reproduced, black or white level of the video signal is adjusted automatically on the basis of the data stored in the non-volatile memory. Thus, the insertion position of black or white reference pulse signal can be changed without modifying the hardware of the television receiver so that the automatic level adjusting system can be applied commonly to different types of television receivers.

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