1
Joseph E Augenbraun, Larry A Pearlstein, Michael A Plotnick: Broadcast interactive multimedia system. Hitachi America, Peter L Michaelson, John T Peoples, Michaelson & Wallace, April 1, 1997: US05617565 (509 worldwide citation)

A procedure for selecting and storing data elements communicated from a common database to users of the database utilizing a communication link between each transmitter and a concomitant receiver accessible by the user. The transmitted information is augmented with attributes which are used at the r ...


2
Frank A Lane, Jill M Boyce, Jack S Fuhrer, John G N Henderson, Michael A Plotnick: Digital video recorder compatible receiver with trick play image enhancement. Hitachi America, Kenyon & Kenyon, December 27, 1994: US05377051 (451 worldwide citation)

A video recorder compatible receiver for receiving video data from a video recorder such as a video tape recorder ("VTR"). The receiver includes an error concealment circuit, a digital VTR port adapted for coupling to a VTR and/or a tuner module. The receiver receives digital video data from the VTR ...


3
Carl G Scarpa: Apparatus for NTSC signal interference cancellation through the use of digital recursive notch filters. Hitachi America, Kenyon & Kenyon, January 25, 1994: US05282023 (207 worldwide citation)

An NTSC interference canceler for eliminating NTSC signal interference from a HDTV signal uses recursive notch filters with independently adjustable gains and center frequencies to isolate an NTSC signal's major components, i.e. the picture carrier signal, the chrominance subcarrier signal and the a ...


4
Carl G Scarpa: Narrowband interference cancellation through the use of digital recursive notch filters. Hitachi America, Kenyon & Kenyon, June 28, 1994: US05325204 (198 worldwide citation)

A digital notch filter apparatus for removing narrowband interference signals from a wideband communication signal. The apparatus includes a recursive digital passband interference acquisition filter, an acquisition mode center frequency control circuit, a recursive digital passband interference tra ...


5
Jill MacDonald Boyce, Jack Selig Fuhrer, John Goodchilde Norie Henderson, Frank Anton Lane, Michael Allen Plotnick: Video recording device compatible transmitter. Hitachi America, Peter L Michaelson, Michael P Straub, Michaelson & Wallace, September 8, 1998: US05805762 (151 worldwide citation)

A device for transmitting digital packetized video and audio data is disclosed. The transmitter includes a video encoder, a prioritizer, and a packetizer. The video encoder receives video signals and encodes the video signals into a digital video data stream including codewords. The video encoder al ...


6
Jill M Boyce, Larry Pearlstein: Digital video decoder for decoding digital high definition and/or digital standard definition television signals. Hitachi America, Michael P Straub, Peter L Michaelson, Michaelson & Wallace, March 25, 1997: US05614952 (142 worldwide citation)

Methods and apparatus for reducing the complexity of decoder circuitry and video decoder memory requirements are disclosed. The described video decoders are capable of decoding HDTV pictures at approximately the resolution of standard definition television pictures and can be used to decode HDTV and ...


7
Carl G Scarpa: Method and apparatus for NTSC signal interference cancellation using recursive digital notch filters. Hitachi America, Kenyon & Kenyon, March 21, 1995: US05400084 (138 worldwide citation)

A complex NTSC interference canceler for eliminating NTSC signal interference from in-phase and quadrature phase received television signals including both a desired HDTV signal and NTSC interference signal. The complex NTSC interference canceler uses a bank of complex recursive notch filters with a ...


8
Kazushige Hiroi: Methods and apparatus for recording video files and for generating a table listing the recorded files and links to additional information. Hitachi America, Michael P Straub, Straub & Pokotylo, July 3, 2001: US06256071 (134 worldwide citation)

A receiver arranged to receive and store broadcast data transported by elementary stream of a multiplexed and modulated digital television signal in a rewritable memory during a low power consumption mode for later recall by a user of the receiver. For recall, the receiver is fully energized, and th ...


9
Jill M Boyce, Larry Pearlstein: Low cost joint HD/SD television decoder methods and apparatus. Hitachi America, Michael P Straub, Peter L Michaelson, Michaelson & Wallace, June 3, 1997: US05635985 (131 worldwide citation)

Methods and apparatus for implementing a reduced cost HDTV/SDTV video decoder are disclosed. The described joint video decoder is capable of decoding HDTV pictures at approximately the resolution of standard definition television pictures and can be used to decode HDTV and/or SDTV pictures. The desc ...


10
Joshua L Koslov: Carrier recovery system using acquisition and tracking modes and automatic carrier-to-noise estimation. Hitachi America, Peter L Michaelson, November 28, 1995: US05471508 (124 worldwide citation)

A carrier recovery system for use in illustratively a passband QAM (quadrature amplitude modulation) demodulator (10) and specifically such a system, including apparatus and accompanying methods, that employs separate acquisition and tracking modes and automatic carrier-to-noise estimation. In parti ...