The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 01, 1982
Filed:
Aug. 21, 1980
Asaka Company Limited, Tokyo, JP;
Abstract
An apparatus for automatically adjusting phases of composite synchronizing signals and burst flag signals of a plurality of composite video signals supplied from a plurality of television cameras in order to effect cut-switching, mixing, etc. without a deviation in phase at a video cross point, comprising commonly for the plurality of television cameras a reference signal generator for producing a reference composite synchronizing signal and a reference subcarrier signal, and for each television camera a pair of phase comparators for detecting phase differences between the composite synchronizing signal and burst flag signal at the cross point and the reference composite synchronizing signal and reference subcarrier signal, respectively, a pair of phase shifting circuits for producing composite synchronizing signal and subcarrier signal, respectively having a predetermined phase relationship with respect to the reference signals and a composing circuit for generating a black burst signal including the phase adjusted composite synchronizing signal and the burst flag signal to be supplied to the related television camera.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile