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:
Oct. 22, 1991
Filed:
Dec. 20, 1988
Gerardus C Lokhoff, Eindhoven, NL;
Rudolf Roth, Eindhoven, NL;
Wilhelmus P Raaymakers, Eindhoven, NL;
U.S. Philips Corporation, New York, NY (US);
Abstract
A recording system includes a record carrier of an inscribable type and a recording apparatus. The record carrier is preconditioned with a control information pattern which includes identification of one or more types of information for which recording is permitted on such record carrier. The recording apparatus includes means for determining the type of information received for recording, means for reading the control information represented by the control information pattern on the record carrier, and control means for inhibiting recording if the received information is not of a type identified by the control information read from the record carrier.