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:
Jan. 23, 1990
Filed:
Jul. 28, 1987
Applicant:
Inventors:
Masamichi Sato, Tokyo, JP;
Takashi Matsumoto, Tokyo, JP;
Kazukiyo Tamada, Tokyo, JP;
Hiroichi Naito, Tokyo, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
358328 ; 358340 ; 358342 ; 360 21 ;
Abstract
A method and apparatus for magnetic recording which permits two information signals to be recorded so that they overlay one another. The first and second tracks cross each other without generating crosstalk during reproduction of the two information signals.
Sato, Masamichi. (1990). Magnetic recording method and magnetic recording head used therefor (U.S. Patent No. 4896220). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4896220
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile