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:
Feb. 21, 1995
Filed:
May. 17, 1993
Masayuki Takezawa, Tokyo, JP;
Sony Corporation, Tokyo, JP;
Abstract
A recording and/or reproducing apparatus records and/or reproduces a recording medium on which musical information is recorded discretely together with management information for managing the recorded musical information. The apparatus calculates, based on the management information, a playing time of each musical piece, a total playing time of all of the musical pieces recorded on the recording medium, a remaining time for which the recording medium can be further recorded, and a remaining number of musical pieces which can be further recorded onto the recording medium, and displays the result of the calculation.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile