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:
Dec. 19, 2000
Filed:
Oct. 28, 1997
Applicant:
Inventors:
Mitsumasa Tanaka, Tokyo, JP;
Takashi Sameshima, Tokyo, JP;
Masaru Terashima, Tokyo, JP;
Hideki Sawada, Tokyo, JP;
Assignee:
NEC Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N / ;
U.S. Cl.
CPC ...
386 96 ; 386 98 ; 386111 ; 386112 ;
Abstract
To provide an apparatus for a synchronized playback of compressed digital data of audio-video signals with a simple configuration to be applied to a system having comparatively low data processing ability, independent of resolution of a software timer of the system, the apparatus of the invention obtains a reference time indicating reproduction time passage of the audio signal component from reproduced data amount of the audio signal component, and detects progress of the video signal component in reference to the reference time.