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, 2005
Filed:
May. 30, 2002
Applicant:
Tomohiro Yamada, Osaka, JP;
Inventor:
Tomohiro Yamada, Osaka, JP;
Assignee:
Sanyo Electric Co., Ltd., Osaka, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 700 ;
U.S. Cl.
CPC ...
Abstract
A content reproduction apparatus includes a CPU, and the CPU measures a power-on time period Ton, which is from a point of time that a main power switchis turned-on until a point of time that it is turned-off, and a power-off time period Toff, which is from a point of time that the main power switchis turned-off until a point of time that it is turned-on once again. Furthermore, a total sum T of the measured time periods Ton and Toff is evaluated, and the audio data is rendered invalid (not reproducible) when the evaluated total sum T exceeds a term of validity Ta of the audio data recorded in a memory card