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:
May. 08, 2007
Filed:
Jun. 26, 2002
Applicants:
Yasuhiro Ogura, Kanagawa, JP;
Tadao Suzuki, Tokyo, JP;
Inventors:
Yasuhiro Ogura, Kanagawa, JP;
Tadao Suzuki, Tokyo, JP;
Assignee:
Sony Corporation, , JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04B 3/46 (2006.01); H04B 17/00 (2006.01); H04Q 1/20 (2006.01);
U.S. Cl.
CPC ...
Abstract
A signal level detector to detect the level of 1-bit digital signal is provided. It includes a level detector () supplied with a sequence of 1-bit digital signals decoded by an audio decoder () and which counts the number of 0 (zeros) or 1 (ones) included in the row of a predetermined number n of 1-bit digital signals to detect the level of the 1-bit digital signal, and an indication unit () to indicate the signal level detected by the level detector ().