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:
Mar. 21, 1989
Filed:
Nov. 04, 1986
Applicant:
Inventors:
Masami Onishi, Kyoto, JP;
Toshikazu Masumoto, Ibaraki, JP;
Kazumi Murakami, Hirakata, JP;
Kiyoshi Yoshida, Hirakata, JP;
Assignee:
Matsushita Electric Industrial Co., Ltd., Kadoma, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ; G11B / ;
U.S. Cl.
CPC ...
360 331 ; 369 19 ; 34030915 ; 368 10 ; 368107 ;
Abstract
A video cassette recorder for rental use having a timer means for counting the preset time, a back up power-supply such as battery and so on, and a start means for starting said timer means whereby the recorder makes only the normal reproducing operation impossible to perform till the re-start is performed after the lapse of the preset time from the timer start.
Quick Actions:
Onishi, Masami. (1989). Video cassette recorder for rental use which is rendered unusable after (U.S. Patent No. 4814901). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4814901
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile