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. 27, 1998
Filed:
Nov. 18, 1996
Applicant:
Inventors:
Yoshizumi Inazawa, Tokyo, JP;
Tadao Suzuki, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
369 59 ; 369 58 ;
Abstract
A recording method for a disc-shaped recording medium formed by cementing two disc members having a recording layer on one surface, a diameter of approximately 12 cm and a thickness of approximately 0.6 mm, includes the steps of generating a digital audio signal that is generated by performing the standard compact disc sampling; .SIGMA..DELTA.-modulation for converting an analog audio signal with a sampling frequency set to a multiple of a frequency fs=44.1 kHz, and recording the generated digital audio signal to the disc-shaped recording medium.