VIDEO DISPLAY CONTROL APPARATUS AND VIDEO MONITORING APPARATUS

PROBLEM TO BE SOLVED: To obtain a video display control apparatus capable of realizing a function of adjusting a video signal synchronized with a synchronization signal, at low cost.SOLUTION: A horizontal position detector 35 receives a digital video signal 31a and a horizontal synchronization pulse...

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Bibliographic Details
Main Authors FURUHATA TAKASHI, WADA TETSURO
Format Patent
LanguageEnglish
Published 17.11.2011
Subjects
ADVERTISING
ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICESUSING STATIC MEANS TO PRESENT VARIABLE INFORMATION
CRYPTOGRAPHY
DISPLAY
EDUCATION
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PHYSICS
PICTORIAL COMMUNICATION, e.g. TELEVISION
SEALS
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Summary:PROBLEM TO BE SOLVED: To obtain a video display control apparatus capable of realizing a function of adjusting a video signal synchronized with a synchronization signal, at low cost.SOLUTION: A horizontal position detector 35 receives a digital video signal 31a and a horizontal synchronization pulse 31b, and outputs a video delay control signal 35a and a horizontal synchronization delay control signal 35b corresponding to a shift amount between a timing of the digital video signal 31a synchronized with the horizontal synchronization pulse 31b and a timing of the digital video signal 31a that is actually inputted. A delay selection circuit 46 for a video signal and a delay selection circuit 47 for a synchronization signal select any one output of flip-flop circuits 36-40 and flip-flop circuits 41-45, respectively, based on the delay control signal 35a, and output the selected output as a horizontal position adjusted digital video signal 32a and a horizontal position adjusted horizontal synchronization pulse 32b, respectively.
Bibliography:Application Number: JP20100101945