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.:

US 7689304 B1

PDF
Full Text
Expired
Date of Patent:
Mar. 30, 2010

Filed:

Feb. 06, 2004
Applicant:

Yoshio Sasaki, Kanagawa, JP;

Inventor:

Yoshio Sasaki, Kanagawa, JP;

Assignee:

Sony Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 17/00 (2006.01); G11B 21/08 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention is intended to provide an audio playback apparatus which is capable of randomly reproducing music on an album basis or a folder basis. In a sound source in which a plurality of music files are hierarchically recorded, a unit of music file groups in each of which music files are reproduced in a batch is specified, music file groups are randomly selected in the specified unit, and all music files included in each of the selected music file groups are reproduced.


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Sasaki, Yoshio. (2010). Audio playback apparatus, audio playback method, and program (U.S. Patent No. 7689304). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/7689304

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