1
Lee R Johnson, Luis A Rovira, Leo Montreuil, William E Wall Jr: Remote control for digital music terminal with synchronized communications. Scientific Atlanta, William A Marvin, Frederick W Powers III, January 25, 1994: US05282028 (273 worldwide citation)

A remote control system including a hand held remote control unit with an alphanumeric information display, for controlling and communicating with a first controlled device, such as a digital music tuner connected to a community antenna television (CATV) cable, and for controlling a selected one of ...


2
Leo Montreuil: Method and apparatus for partial response demodulation. Scientific Atlanta, William A Marvin, Frederick W Powers III, May 25, 1993: US05214390 (33 worldwide citation)

A digital audio communication system includes a digital modulation and demodulation scheme which efficiently uses the bandwidth and channel spacing of a cable television system. A 30 channel digital bit stream is demultiplexed into six groups of five channels. Each group of channels thereafter modul ...


3
Leo Montreuil: Method and apparatus for QPR carrier recovery. Scientific Atlanta, Frederick W Powers III, December 14, 1993: US05271041 (26 worldwide citation)

A digital audio communication system includes a digital modulation and demodulation scheme which efficiently uses the bandwidth and channel spacing of a cable television system. A 30 channel digital bit stream is demultiplexed into six groups of five channels. Each group of channels thereafter modul ...


4
James O Farmer, Anatoly Kozushin, Herman A Kruse, William P LaFay, Christopher P Lewis, Frank R Little Jr, Leo Montreuil, Leo J Thompson, Lamar E West Jr, Joseph G Mobley II: Jamming signal scrambling and descrambling systems for CATV. Scientific Atlanta, Martin LuKacher, May 31, 1988: US04748667 (22 worldwide citation)

Scrambling and descrambling systems utilizing jamming signals provide improved pictures with minimal distortion due to ghosts and artifacts. The television signal is combined with a jamming signal or signals located preferably in the vestigial sideband (VSB) of the modulated picture carrier and at a ...


5
Leo Montreuil: Digital quadrature amplitude and vestigial sideband modulation decoding method and apparatus. Scientific Atlanta, Banner & Allegretti, December 19, 1995: US05477199 (19 worldwide citation)

A synchronous detector for demodulating and decoding a digital data signal modulated either according to a vestigial sideband or a quadrature amplitude modulation scheme is based upon the principle of recognizing that a vestigial sideband signal may be regarded and treated as an offset-keyed QAM sig ...


6
Leo Montreuil: Synchronous detector and methods for synchronous detection. Scientific Atlanta, Banner & Witcoff, January 21, 1997: US05596606 (17 worldwide citation)

A synchronous detector has first and second mixer circuits and a voltage controlled oscillator. The voltage controlled oscillator provides a local oscillator signal directly to the second mixer circuit and indirectly to the first mixer circuit through a phase transformer. The output of the first and ...


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Leo Montreuil: Apparatus and method for block phase estimation. Scientific Atlanta, Kenneth M Massaroni, Hubert J Barnhardt III, Kelly A Gardner, September 28, 1999: US05960044 (11 worldwide citation)

A block phase estimator include a phase averaging circuit. A first embodiment of the phase averaging circuit includes a phase differencing circuit coupled to an averager input, a first modulo circuit coupled to the phase differencing circuit, a filter coupled to the first modulo circuit, and a summa ...


9
Leo Montreuil, Wayne B Williams, Samuel H Russ, Robert A Kriete: Analog set top calibration patterns in manufacturing. Cisco Technology, March 3, 2009: US07499822 (4 worldwide citation)

Included are systems and methods for performing a functionality test to an STT. At least one embodiment of a method includes storing at least one test pattern in a storage device, decoding the at least one stored test pattern, and sending the test pattern from a output port to an input port, the inp ...


10
Bruce Joseph Currivan, Richard Stephen Prodan, Thomas Joseph Kolze, Hanli Zou, Ramon Alejandro Gomez, Leo Montreuil, Mark Edward Laubach, Roger Wayne Fish, Lisa Voigt Denney, Niki Roberta Pantelias, Jonathan Sooki Min: Communication system with proactive network maintenance and methods for use therewith. BROADCOM CORPORATION, Garlick & Markison, Bruce E Stuckman, February 16, 2016: US09264101 (3 worldwide citation)

A transmitter for use in a cable modem termination system includes a data processing module that generates a plurality of OFDM symbols from a data packet. A probe symbol generator generates a probe symbol, as one of a plurality of probe symbol types. The probe symbol is selectively inserted within t ...