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. 11, 1989
Filed:
May. 07, 1987
Applicant:
Inventor:
Hiroaki Furuyama, Higashiyamato, JP;
Assignee:
Teac Corporation, Musashino, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 32 ; 360 60 ; 360 721 ; 360 7804 ; 360 69 ; 362 54 ;
Abstract
A method and apparatus for automatically searching a desired track position or one or a plurality of recording regions on an information recording medium which comprises pre-recorded tracks pre-recorded with an information signal and unrecorded tracks. The search is carried out based on the existence and non-existence of a reproduced radio frequency (RF) signal which is reproduced from the information recording medium.
Quick Actions:
Furuyama, Hiroaki. (1989). Method and apparatus for automatically searching desired track position (U.S. Patent No. 4847708). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4847708
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile