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:
Dec. 20, 1988
Filed:
Jun. 27, 1986
Applicant:
Inventors:
Fumio Watanabe, Zama, JP;
Yoshikazu Itoh, Tokyo, JP;
Assignee:
Video Research Limited, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ; H04N / ; H04N / ;
U.S. Cl.
CPC ...
358335 ; 358 84 ; 360-6 ; 360 331 ;
Abstract
A system is disclosed for detecting the recording data of a video tape recorder, which is enabled to detect data concerning the time and channel a program played back was recorded at and through, by adding both calendar data such as the date and time and channel data indicating a channel to be recorded in the recording operation of the video tape recorder and by extracting the above-specified data in the playback operation.