CableLabs Patents
- Quantizer that uses optimum decision thresholds
US Patent No. 6,292,126 B1 granted 09/18/01
Inventors: Majid Chelehmal, Rich S. Prodan - Synchronizing services across opencable and packetcable
US Patent No. 7,093,275 granted 08/15/06
Inventors: David A. Birks, So Vang, David Broberg - Real time device polling for multiplexed transmission
US Patent No. 6,654,957 granted 11/25/03
Inventors: Thomas E. Moore, Andrew W. Sundelin, Jeff Weaver - Peak limiter for suppressing undesirable energy in a return path of a bidirectional cable network
US Patent No.5,892,865 granted 04/06/99
Inventor: Thomas H. Williams - Bidirectional cable network with a mixing tap for suppressing undesirable noise in signals from a remote end of the network
US Patent No. 5,870,513 granted 2/9/99
Inventor: Thomas H. Williams - Hybrid return gate system in a bidirectional cable network
US Patent No. 5,867,764 granted 02/02/99
CA Patent Cert. No. 2,217,338 granted 07/24/01
Inventor: Thomas H. Williams - Modulator/demodulator using baseband filtering
US Patent No. 5,825,242 granted 10/20/98
Inventors: Richard S. Prodan, Thomas H. Williams - Multiple user access method using ofdm
US Patent No.5,815,488 granted 09/29/98
Inventors: Thomas H. Williams, Richard S. Prodan - Undesirable energy suppression system in the return path of a bidirectional cable network having dynamically allocated time slots
US Patent No. 5,815,794 granted 09/29/98
CA Patent Cert. No. 2,184,527 granted 07/24/01
Inventor: Thomas H. Williams - Method for protecting publicly distributed software
US Patent No. 5,754,646 granted 05/19/98
UK Patent GB 2317476B granted 03/22/00
Inventors: Thomas H. Williams, Claude T. Baggett - Undesirable energy suppression system in a contention based communication network
US Patent No.5,745,836 granted 04/28/98
Inventor: Thomas H. Williams - Demodulation using a time domain guard interval with an overlapped transform
US Patent No. 5,886,749 granted 03/23/99
CA Patent No. 2,217,259 granted 06/25/02
Inventors: Thomas H. Williams, Majid Chelehmal, Yasuhiro Ito - System for distributing radio telephone signals over a cable television network
US Patent No. 5,381,459 granted 01/10/95
JP Letters of Patent No. 2766430 granted 4/3/98
CA Patent No. 2,067,637 granted 11/18/97
Inventor: John Lappington - System for transmission of digital data using orthogonal frequency division
US Patent No. 5,371,548 granted 12/06/94
Inventor: Thomas H. Williams