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Technology Stocks : Newbridge Networks -- Ignore unavailable to you. Want to Upgrade?

To: jeff greene who wrote (12002)	6/23/1999 11:59:00 PM
From: Don Johnstone	Respond to of 18016

Here's 33 US patents, from IBM's site: patents.ibm.com Patent Issued Title Score US05553064 09/03/1996 High speed bidirectional digital cable transmission system 84% US05412352 05/02/1995 Modulator having direct digital synthesis for broadband RF transmission 84% US05878335 03/02/1999 Composite direct digital synthesizer 80% US05815046 09/29/1998 Tunable digital modulator integrated circuit using multiplexed D/A converters 80% US05881100 03/09/1999 Method and apparatus for coherent correlation of a spread spectrum signal 77% US05872810 02/16/1999 Programmable modem apparatus for transmitting and receiving digital data, design method and use method for said modem 77% US05856998 01/05/1999 Method and apparatus for correlating a continuous phase modulated spread spectrum signal 77% US05832028 11/03/1998 Method and apparatus for coherent serial correlation of a spread spectrum signal 77% US05790591 08/04/1998 Spread spectrum transmitter and communications system using multiple spreading codes 77% US05761239 06/02/1998 Method and apparatus for despreading spread spectrum signals 77% US05757847 05/26/1998 Method and apparatus for decoding a phase encoded signal 77% US05754585 05/19/1998 Method and apparatus for serial noncoherent correlation of a spread spectrum signal 77% US05754584 05/19/1998 Non-coherent spread-spectrum continuous-phase modulation communication system 77% US05751624 05/12/1998 Complex number calculation circuit 77% US05729558 03/17/1998 Method of compensating for Doppler error in a wireless communications system, such as for GSM and IS54 77% US05724383 03/03/1998 Method for generating and encoding signals for spread spectrum communication 77% US05721756 02/24/1998 Digital receiver with tunable analog parameters and method therefor 77% US05692007 11/25/1997 Method and apparatus for differential phase encoding and decoding in spread-spectrum communication systems with continuous-phase modulation 77% US05680414 10/21/1997 Synchronization apparatus and method for spread spectrum receiver 77% US05659574 08/19/1997 Multi-bit correlation of continuous phase modulated signals 77% US05648982 07/15/1997 Spread spectrum transmitter 77% US05629956 05/13/1997 Method and apparatus for reception and noncoherent serial correlation of a continuous phase modulated signal 77% US05627856 05/06/1997 Method and apparatus for receiving and despreading a continuous phase-modulated spread spectrum signal using self-synchronizing correlators 77% US05627500 05/06/1997 Phase modulator having individually placed edges 77% US05610940 03/11/1997 Method and apparatus for noncoherent reception and correlation of a continous phase modulated signal 77% US05592514 01/07/1997 Method of performing signal reconstruction at the receiving end of a communications system, such as for GSM 77% US05574754 11/12/1996 Sliding correlator 77% US05481230 01/02/1996 Phase modulator having individually placed edges 77% US05394117 02/28/1995 Direct digital synthesizer-based injection locked oscillator 77% US05381446 01/10/1995 Digital implementation of spread spectrum communications system 77% US05321401 06/14/1994 Method and apparatus for digital to analog conversion with minimized distortion 77% US05303412 04/12/1994 Composite direct digital synthesizer 77% US05179348 01/12/1993 Progression of states numerically controlled oscillator 77%