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:
Jul. 21, 1992
Filed:
Jul. 21, 1989
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358335 ; 358341 ; 358343 ; 358310 ;
Abstract
An apparatus for recording main information signals in tracks formed on a recording medium, wherein the track is not only made up from the recording area for the main information signals, but also provided with a recording area for additional information signals, whereby digital additional information signals and analog additional information signals are recorded in frequency-multiplexed relation on the additional information signal recording area, thus forming an information signal recording apparatus.