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:
Jan. 04, 1994
Filed:
Apr. 20, 1990
Tsutomu Oohashi, Shinjuku-ku, Tokyo, JP;
Moritada Niitsu, Tokyo, JP;
The Tokyo Electric Power Co., Inc., , JP;
Other;
Abstract
A disc recording device for recording left channel signals and right channel signals having a super audio-frequency signal range up to 40 kHz on a left master disc and a right master disc respectively comprises a left disc recording control portion, a right disc recording control portion, and a common control portion. An another disc recording device for recording the left channel signals and the right channel signals having sounds of super audio-frequency signal range up to 40 kHz onto one face and other face of a master disc respectively comprises a disc inverse face playback control portion, a disc front face playback control portion, and a common control portion. A signal frame as a channel bit used in the above mentioned devices has 316 bits per one left channel signal and one right channel signal, respectively.