Digital broadcast receiver

Details Digital broadcast receiver Digital broadcast receiver

2011-08-23

2011-08-23

Tran, Trang U (Department: 2422)

Television

Receiver circuitry

Tuning

C348S725000, C348S726000

Reexamination Certificate

active

08004618

ABSTRACT:
A broadcast channel detection system enabling search of channels providing a digital television broadcast from among a large number of channels at a high speed.This is configured by a periodic signal detecting function unit21receiving as input a selected received signal when a channel selecting function unit12selects a desired channel and detecting periodic signals (P) appearing at substantially constant timings, a periodicity distribution finding function unit22for finding a state of distribution of the cluster of periodic signals (P) detected a plurality of times, and a decision function unit23deciding the presence of a digital broadcast according to whether a width of the distribution of the cluster detected fits in a predetermined width.

REFERENCES:
patent: 5598429 (1997-01-01), Marshall
patent: 5877822 (1999-03-01), Tazine et al.
patent: 7260824 (2007-08-01), Du et al.
patent: 7468762 (2008-12-01), Ishihara et al.
patent: 2006/0038926 (2006-02-01), Mayer et al.
patent: 1142158 (1997-02-01), None
patent: 1419372 (2003-05-01), None
patent: 5-218811 (1993-08-01), None
patent: 7-212800 (1995-08-01), None
patent: 7-231245 (1995-08-01), None
patent: 10-150346 (1998-06-01), None
patent: 2001-230689 (2001-08-01), None
patent: 2001-313622 (2001-11-01), None
patent: 2001-320290 (2001-11-01), None
patent: 2002-320165 (2002-10-01), None
patent: 2003-339061 (2003-11-01), None
patent: 2004-15315 (2004-01-01), None
patent: 2004-64304 (2004-02-01), None
patent: WO 03/043210 (2003-05-01), None
Office action dated Feb. 16, 2010, corresponding Japanese Patent Application No. 2004-142153; including English Translation; 6pp.
International Search Report, dated Aug. 30, 2005, corresponding to PCT/JP2005/008381.
Patent Abstracts of Japan, Publication No. 05218811 A, Published on Aug. 27, 1993, in the name of Hirata, et al.
Patent Abstracts of Japan, Publication No. 07212800 A, Published on Aug. 11, 1995, in the name of Miyahara.
Patent Abstracts of Japan, Publication No. 07231245 A, Published on Aug. 29, 1995, in the name of Takagi.
Patent Abstracts of Japan, Publication No. 10150346 A, Published on Jun. 2, 1998, in the name of Hamasuna.
Patent Abstracts of Japan, Publication No. 2001230689 A, Published on Aug. 24, 2001, in the name of Sato, et al.
Patent Abstracts of Japan, Publication No. 2001320290 A, Published on Nov. 16, 2001, in the name of Sawano.
Patent Abstracts of Japan, Publication No. 2002320165 A, Published on Oct. 31, 2002, in the name of Fujimoto.
Patent Abstracts of Japan, Publication No. 2003339061 A, Published on Nov. 28, 2003, in the name of Kondo.
Patent Abstracts of Japan, Publication No. 2004015315 A, Published on Jan. 15, 2004, in the name of Kondo.
Patent Abstracts of Japan, Publication No. 2004064304 A, Published on Feb. 26, 2004, in the name of Takahashi, et al.
Supplemental European Search Report for corresponding European patent application No. 05736809.4, dated Aug. 27, 2010, 3pp.

Affiliated with

Also associated with

Rating

Digital broadcast receiver does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Digital broadcast receiver, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Digital broadcast receiver will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2763433