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:
Feb. 08, 2000
Filed:
Aug. 06, 1997
Jill MacDonald Boyce, Manalapan, NJ (US);
Frank Anton Lane, Medford Lakes, NJ (US);
Hitachi America, Ltd., , US;
Abstract
Method and apparatus for extracting intra-coded video frames from a video data stream including inter-coded video frames and intra-coded video frames to produce reduced resolution intra-coded video frames suitable for recording in trick play tape segments of a tape for later play back and display during video tape recorder trick play operation. A plurality of methods and apparatus for buffering and selecting received intra-coded video frames for recording in trick play tape segments to support a plurality of trick play modes of operation are disclosed. In addition, a plurality of different data reduction methods and apparatus are disclosed for generating reduced resolution intra-coded frames from the received full resolution intra-coded video frames.