1
Wachob David E: Method and apparatus for providing demographically targeted television commercials.. Gen Instrument, May 2, 1991: EP0424648-A2 (208 worldwide citation)

Different commercial messages are broadcast to different demographically targeted audiences in a cable television system or the like. A first television channel contains television programs and periodic commercial messages. A second television channel contains alternate commercial messages. Demograp ...


2
Wachob David E: Selection of compressed television signals from single channel allocation based on viewer characteristics.. Gen Instrument, April 14, 1993: EP0536628-A1 (14 worldwide citation)

A plurality of television signals are transmitted and selectively received on a single television channel allocation. Headend apparatus compresses a set of television signals, such as a main program signal and a plurality of different demographically targeted commercials. The plurality of compressed ...


3
Wachob David E: Catv subscriber apparatus with intelligent remote control.. Gen Instrument, March 13, 1991: EP0416455-A2 (9 worldwide citation)

Subscriber apparatus for a cable television system or the like comprises a converter/descrambler and a programmable remote control. All authorization data for premium services and features a subscriber is entitled to receive are stored in the remote control. Program/interface apparatus is provided t ...


4
Wachob David E: Communications distribution system.. Gen Instrument, July 5, 1989: EP0323258-A2 (3 worldwide citation)

A video distribution system (e.g., CATV or MATV) employs at least one channel having a reception-defeating jamming signal which changes frequency periodically or, preferably, randomly. The signal originating head end distributes information characterizing the operative frequency of the jamming wave. ...


5
Krisbergh Hal M, Augenbraun Joseph E, Jesup Randell E, Reavy Maire D, Gort Randall J, Kannan Navneeth, Blackmon Whitney D, Westerfer Richard E, Wachob David E: Adaptive video telephone system. Worldgate Service, Krisbergh Hal M, Augenbraun Joseph E, Jesup Randell E, Reavy Maire D, Gort Randall J, Kannan Navneeth, Blackmon Whitney D, Westerfer Richard E, Wachob David E, BLAKE William A, November 24, 2005: WO/2005/112449 (3 worldwide citation)

A videophone system providing high resolution video transmission between videophones utilizes compressed video signals and audio signals which may be transmitted through any communications network, with the system providing real time adaptive error recovery and synchronization between the audio and ...


6
Krisbergh Harold M, Wachob David E, Augenbraun Joseph E, Lee Jae Hea Edward, Dill David A: Systeme dacces et procede assurant un acces interactif a une source dinformations par lintermediaire dun systeme de distribution de television, Access system and method for providing interactive access to an information source through a television distribution system. World Gate Communications, Sedna Patent Services, GOWLING LAFLEUR HENDERSON, October 16, 1997: CA2251085 (2 worldwide citation)

An interactive access system and method for accessing an information source through a television distribution system (11) is disclosed. The distribution system includes a television distribution network (12), headend distribution equipment (36), and a plurality of terminals. An input device and an u ...


7
Berkman William H, Wachob David E: Dynamically addressable communication. Berkman William H, July 13, 1994: GB2274185-A

A dynamically-addressable communications system 10 provides either a list or set of dynamic addresses to selected receivers 100 for broadcasting information packets from a transmission source 12 to the selected receivers. Each dynamic address provided in the list or set is associated with a particul ...


8
Wachob David E: A vcr interface for receiving cable tv signals.. Gen Instrument, January 7, 1988: EP0252058-A2

A novel VCR interface (10) for use with scrambled cable TV signals includes a conventional splitter (12), band reject filter (16) and combiner (20). The VCR interface is configured so that the signal channels normally made unavailable by the cable TV converter/descrambler (14) are recombined and pre ...


9
Krisbergh Harold M, Wachob David E, Augenbraun Joseph E, Lee Jae Hea Edward: Access system and method for providing interactive access to an information source through a television distribution system. World Gate Communications L L, January 27, 1999: EP0893026-A1

An interactive access system and method for accessing an information source through a television distribution system (11) is disclosed. The distribution system includes a television distribution network (12), headend distribution equipment (36), and a plurality of terminals. An input device and an u ...


10
Wachob David E: Methode et appareil de diffusion demographique dannonces de television, Method and apparatus for providing demographically targeted television commercials. General Instrument Corporation, General Instrument Corporation, RIDOUT & MAYBEE, January 2, 2001: CA2024868

Different commercial messages are broadcast todifferent demographically targeted audiences in acable television system or the like. A firsttelevision channel contains television programs andperiodic commercial messages. A second televisionchannel contains alternate commercial messages. Demographic c ...