1
Gary A Naden, Robert E Rouquette, H Britton Sanderford Jr, Dale E Reiser, Charles A Hwang, Marc L Reed: Direct sequence spread spectrum method, computer-based product, apparatus and system tolerant to frequency reference offset. Sanconix, Oblon Spivak McClelland Maier & Neustadt P C, December 7, 1999: US05999561 (274 worldwide citation)

A method, apparatus, computer-based product and system employs a digital receiver (or transceiver) to receive, digitize and process a direct sequence spread spectrum signal using efficient, low-cost digital signal processing components. A radio front end portion of the receiver receives and digitize ...


2
H Britton Sanderford Jr, Robert E Rouquette, James D Arthur: Radio position determination method and apparatus. Axonn Corporation, David B Newman Jr, January 17, 1989: US04799062 (227 worldwide citation)

A method and apparatus for radio position determination is provided including an unknown position transmitter for transmitting a radio wave having compensation for multipath, a plurality of base repeaters having a synchronized pulse for time reference, for receiving the radio wave emitted by the unk ...


3
Gary A Naden, Robert E Rouquette, Dale E Reiser: Direct sequence spread spectrum method computer-based product apparatus and system tolerant to frequency reference offset. Axonn L L C, Oblon Spivak McClelland Maier & Neustadt P C, October 28, 2003: US06639939 (227 worldwide citation)

A method, apparatus, computer-based product and system employs a digital receiver (or transceiver) to receive, digitize and process a direct sequence spread spectrum signal using efficient, low-cost digital signal processing components. A radio front end portion of the receiver receives and digitize ...


4
Robert E Rouquette: Electrical power distribution and communication system for an underwater cable. Input Output, Leydig Voit & Mayer, February 13, 2007: US07176589 (176 worldwide citation)

An underwater cable arrangement includes systems and method for distributing and/or transferring power and/or data to internal devices and external devices disposed along an underwater cable. Under water coupling systems and underwater electrical devices may be used in the distribution and/or transf ...


5
H Britton Sanderford Jr, Robert E Rouquette, Robert J Davis: Direct sequence frequency ambiguity resolving receiver. Sanconix, Oblon Spivak McClelland Maier & Neustadt P C, August 29, 2000: US06111911 (138 worldwide citation)

A system and method for receiving direct sequence spread spectrum transmissions with both chip code and frequency uncertainty including a parallel frequency acquisition technique for increasing receiver sensitivity and increasing process gain while reducing a preamble duration required for spread sp ...


6
James D Arthur, H Britton Sanderford Jr, Robert E Rouquette: Wireless alarm system. Axonn Corporation, David B Newman Jr & Associates, December 11, 1990: US04977577 (115 worldwide citation)

A wireless alarm system using spread spectrum transmitters, fast frequency shift keying, spread spectrum receivers and computer with a display. The spread spectrum transmitter includes an oscillator coupled to a microprocessor with chip code generation means, preamble register, address register and ...


7
H Britton Sanderford Jr, Robert J Davis, Robert E Rouquette: Enhanced frequency agile radio. Axonn L L C, Oblon Spivak McClelland Maier & Neustadt P C, January 1, 2002: US06335953 (104 worldwide citation)

A method utilizing intentionally generated in-band frequency harmonics to compensate for frequency error and frequency drift in a voltage controlled oscillator of a receiver, thereby eliminating the frequency synthesizer and RF divider required in conventional designs. The method includes modulating ...


8
James D Arthur, H Britton Sanderford Jr, Robert E Rouquette, Robert J Davis: Wireless alarm system. Axonn Corporation, David B Newman Jr, November 19, 1991: US05067136 (94 worldwide citation)

A wireless alarm system using spread spectrum transmitters, fast frequency shift keying, spread spectrum receivers and computer with a display. The spread spectrum transmitter includes an oscillator coupled to a microprocessor with chip code generation means, preamble register, address register and ...


9
H Britton Sanderford Jr, Robert J Davis, Robert E Rouquette: Enhanced frequency agile radio. Sanconix, Oblon Spivak McClelland Maier & Neustadt P C, September 16, 1997: US05668828 (92 worldwide citation)

An enhanced frequency-agile radio for avoiding undesired signal energy, based on a prediction, by scanning an available radio spectrum, measuring a receiver output, identifying an occupied portion of the available spectrum, predicting a level of undesired signal energy in a future scan, and storing ...


10
Robert E Rouquette, Gary A Naden, H Britton Sanderford: Direct sequence spread spectrum DSP system. Sanconix, Oblon Spivak McClelland Maier & Neustadt P C, July 6, 1999: US05920589 (91 worldwide citation)

A direct sequence spread spectrum (DSSS) DSP implementation technique utilizing a unique combination of multiple filters, transforms, despreading algorithm and spectral compression, all in a single coefficient set, providing a highly efficient system requiring relatively nominal computational hardwa ...