Interactive video distribution systems – Use surveying or monitoring – By passively monitoring receiver operation
Reexamination Certificate
2008-03-11
2008-03-11
Lonsberry, Hunter B. (Department: 2623)
Interactive video distribution systems
Use surveying or monitoring
By passively monitoring receiver operation
C725S015000, C725S017000, C725S018000
Reexamination Certificate
active
07343615
ABSTRACT:
Systems and methods for determining whether a television is on and in near proximity are provided. An example system includes a sensor, an analog-to-digital converter, and a digital signal processor. The digital signal processor processes a set of digital audio samples detected by the sensor to determine if the sensor is in near proximity to a television in an on state.
REFERENCES:
patent: 2903508 (1959-09-01), Hathaway
patent: 4574304 (1986-03-01), Watanabe et al.
patent: 4605958 (1986-08-01), Machnik et al.
patent: 5294981 (1994-03-01), Yazolino et al.
patent: 5481294 (1996-01-01), Thomas et al.
patent: 5839050 (1998-11-01), Baehr et al.
patent: 6272176 (2001-08-01), Srinivasan
patent: 6380988 (2002-04-01), Sung
patent: 6421445 (2002-07-01), Jensen et al.
patent: 6484316 (2002-11-01), Lindberg
patent: 6487719 (2002-11-01), Itoh et al.
patent: 0946012 (1999-09-01), None
International Search Report from Corresponding Patent Application No. PCT/US02/12333 Apr. 7, 2003.
Nelson Daniel J.
Peiffer John C
Srinivasan Venugopal
Hanley Flight & Zimmerman LLC
Lonsberry Hunter B.
Nielsen Media Research, Inc.
LandOfFree
Television proximity sensor does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Television proximity sensor, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Television proximity sensor will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2810022