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:
Apr. 18, 2006
Filed:
Jun. 08, 1999
Akira Ogino, Tokyo, JP;
Yuji Kimura, Kanagawa, JP;
Tadashi Ezaki, Tokyo, JP;
Teruhiko Kori, Kanagawa, JP;
Akira Ogino, Tokyo, JP;
Yuji Kimura, Kanagawa, JP;
Tadashi Ezaki, Tokyo, JP;
Teruhiko Kori, Kanagawa, JP;
Sony Corporation, Tokyo, JP;
Abstract
An information signal reproducing apparatus for reproducing an information signal from a recording medium on which the information signal, including added copy control information is recorded, comprising a first detector for detecting whether the information signal read out from said recording medium is encrypted or not-encrypted and for producing an output representative thereof; a second detector for detecting said copy control information from the information signal read out from the recording medium and for producing an output representative thereof; and a controller for selectively restricting reproduction of the information signal based on the outposts of the first detector and the second detector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile