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AssigneesHitachi, Ltd., Hitachi Video Engineering, Inc.
InventorsNobufumi Nakagaki, Toshiyuki Kurita, Toshinori Murata, Kazuhiro Kaizaki, Sadao Kubota, Masanori Kamiya, Hiroshi Sekiya, Kenichi Fujiwara
Estimating the term…
In a television receiver in which scanning for an incoming video signal is performed at a frequency n times as high as the input horizontal synchronous frequency by suitably controlling writing and reading on its video memory, the signals for writing and reading on the video memory unit are generated by a horizontal synchronization/deflection circuit. The horizontal synchronization/deflection circuit is arranged by having a clock generation/synchronous deflection circuit for generating reference signals to control the writing and reading on the video memory unit provided with a phase comparator such that a horizontal drive signal to drive a horizontal deflection circuit and a flyback pulse are brought in phase.
A television receiver for performing scanning for an incoming video signal at a frequency m times as high as an input horizontal synchronous frequency by controlling a signal for writing and a signal for reading of a video signal memory unit, comprising a horizontal synchronization/deflection circuit for generating a signal to control the signal for writing and the signal for reading of said video memory unit, said horizontal synchronization/deflection circuit including means for automatically controlling the horizontal position of a picture image displayed on the screen of said television receiver to a predetermined position on the screen, wherein m is an integer.
Dependencies are inferred from the claim text.