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Class 725/17 - By monitoring sync or blanking pulse


Subclass of Class 725 - Interactive video distribution systems
Definition: Subject matter comprising means or steps for performing
No. of patents: 19
Last issue date: 09/02/2008


NumberTitleIssue Date
7421723Detection of media links in broadcast signals
A detection apparatus includes a tuner tuned to the program and a meter coupled to the tuner and arranged to detect content ancillary information from the program tuned by the tuner. The content ancillary information may be a media link, closed captioning informatio...
09/02/2008
7343615Television proximity sensor
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 samp...
03/11/2008
7149798Method and system for adaptively setting a data refresh interval
A method and system is disclosed for adaptively refreshing a data using system. The data using system includes a data source and a data using device for utilizing data from the data source. The data using device has an initial refresh interval. A communication link ...
12/12/2006
7116056Dimmer control system having remote infrared transmitters
A control system includes an electrical load control device responsive to radiant energy and a transmitter. The transmitter includes two sets of radiant energy generators connected to an electrical circuit such that polarity of the sets is reversed. A transmissive e...
10/03/2006
7100181Television proximity sensor
Systems and methods for determining whether a television is on and in as 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 s...
08/29/2006
6804826Radio frequency leakage detection system for CATV system
A communication circuit carries at least one signal including synchronizing intervals by which output of the signal by first apparatus coupled to the communication circuit is to be synchronized. A communication method includes selecting and modulating at least a por...
10/12/2004
6766524System and method for encouraging viewers to watch television programs
Described are methods and apparatus for encouraging viewers to pay attention to television programs, commercials in particular, by offering viewers some incentive to watch. In one embodiment, viewers are notified that they can receive frequent-flier miles for answer...
07/20/2004
6487719Method and apparatus for monitoring TV channel selecting status
A monitoring apparatus connected to a TV set selects, from a plurality of internal sources, such as VHF/UHF and BS tuners and built in said TV, and a plurality of external sources connected to the TV set from the outside thereof, such as a CATV tuner and ...
11/26/2002
6484316Television audience monitoring system and apparatus and method of aligning a magnetic pick-up device
A signal strength meter for use in determining an optimal position of a magnetic pick-up device. The signal strength meter includes a vertical synchronization processing circuit, and audio processing circuit and a power and control circuit. The signal str...
11/19/2002
6112053Television viewership monitoring system employing audio channel and synchronization information
The present invention provides an system, apparatus, and method of recording a viewer's television viewership habits. Sensors passively monitor the audio signal and video signal emanating from the television. By matching the audio signal in the source and...
08/29/2000
5889548Television receiver use metering with separate program and sync detectors
An apparatus for acquiring a modified baseband video signal from a CRT of a receiver includes a capacitive pick-up disposed on an external surface of a housing of the receiver and adjacent to a socket of the CRT, and two inductive pick ups having substant...
03/30/1999
5850249Receiver monitoring system with local encoding
An audience measurement system meters tuning of a receiver which receives a plurality of program signals transmitted over a plurality of channels. The receiver is located in an audience site within a dwelling, and the plurality of program signals enter th...
12/15/1998
5631995Video recorder having circuitry for causing the tuner therein to tune to the same received signal as the tuner in a television receiver connected to the video recorder
In a video recorder (2) having an electronically tunable tuner (19) and a connector (4) to which a cabling (6) can be connected, which cabling can also be connected to a connector (5) of a television receiver (3) which also has a tuner (46), at least one ...
05/20/1997
5608445Method and device for data capture in television viewers research
A device for the monitoring of a video installation is disclosed which does not need any intervention into the video sets (television set (4), video recorders (2, 3)). Signal pulses are superimposed on the television or the video signals at the antenna co...
03/04/1997
5294977Television signal detection apparatus
An apparatus and method for detecting and logging video outputs from a central control unit to one or more television receivers in which a remote unit in or in proximity to the or each television receiver detects by means of a tuned circuit the horizontal...
03/15/1994
5294981Television video synchronization signal monitoring system and method for cable television system
A cable television system provides television signals in multiple predefined television signal formats. Each television has a multi-standard receiver for receiving television signals in those predefined television signal formats. Hidden behind each televi...
03/15/1994
4764808Monitoring system and method for determining channel reception of video receivers
A system and method are provided for determining the broadcast signal source for the signal being displayed by a video wave receiver, whether tuned by the monitored receiver or an associated tuner device, such as a cable converter or video cassette record...
08/16/1988
4635109Method and device for remotely identifying TV receivers displaying a given channel by means of an identification signal
A method and device for remotely identifying TV receivers tuned to a certain TV channel and displaying the video signal thereof. An identification signal is introduced in the television signal of the TV channel at its source before its transmission toward...
01/06/1987
4388644Apparatus for monitoring a multichannel receiver
A system for monitoring the operation of a multichannel receiver includes a channel monitor coupled to the sync separator of the receiver for collecting and transmitting channel information to a central collector station. The collector station selectively...
06/14/1983
 
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