1
Donald W Rouse, Lawrence B Horwitz: Correlation detectors for use in direct sequence spread spectrum signal receiver. Sangamo Weston, Dale Gaudier, December 24, 1985: US04561089 (136 worldwide citation)

A plurality of transmitters synchronized to a common clock each transmit a data signal spread by a common bipolar pseudo-random code having a different assigned code sequence shift. A receiver, synchronized to the clock, discriminates the signal transmitted by a predetermined transmitter from signal ...


2
John W Jerrim: Synchronization system for use in direct sequence spread spectrum signal receiver. Sangamo Weston, Dale Gaudier, January 28, 1986: US04567588 (109 worldwide citation)

A plurality of transmitters synchronized to a common clock each transmit a data signal spread by a common bipolar pseudo-random code having a different assigned code sequence shift. A receiver, synchronized to the clock, discriminates the signals transmitted by a predetermined transmitter from signa ...


3
Lawrence B Horwitz: System for improving signal-to-noise ratio in a direct sequence spread spectrum signal receiver. Sangamo Weston, Dale Gaudier, February 17, 1987: US04644523 (100 worldwide citation)

A plurality of transmitters synchronized to a common clock each transmit a data signal spread by a common bipolar pseudo-random code having a different assigned code sequence shift. A receiver, synchronized to the clock, discriminates the signal transmitted by a predetermined transmitter from signal ...


4
Lawrence B Horwitz, Eugene T Wiggins: Code division multiplexer using direct sequence spread spectrum signal processing. Sangamo Weston, Dale Gaudier, July 15, 1986: US04601047 (99 worldwide citation)

A plurality of transmitters synchronized to a common clock each transmit a data signal spread by a common bipolar pseudo-random code having a different predetermined assigned code sequence shift. A receiver, synchronized to the clock, discriminates the signal transmitted by a predetermined transmitt ...


5
Bruce W Boyle, Raghu Madhavan, Jacques Jundt: Low-loss inductive couplers for use in wired pipe strings. Schlumberger Technology Corporation, John L Lee, William B Batzer, Dale Gaudier, March 15, 2005: US06866306 (95 worldwide citation)

A first flux-loop inductive coupler element electrically couples with a second flux-loop inductive coupler element. The first flux-loop inductive coupler element comprises a first ring-like core having high magnetic permeability and a conical-section annular first face transverse to the plane of the ...


6
Christopher Harrison, Oliver C Mullins, Olivier Vancauwenberghe, Eric P Donzier, Akihito Chikenji, Anthony Robert Holmes Goodwin, Julian J Pop: Protective barriers for small devices. Schlumberger Technology Corporation, Matthias Abrell, Jaime Castano, Dale Gaudier, March 9, 2010: US07673679 (93 worldwide citation)

Protective barriers for small devices, such as sensors, actuators, flow control devices, among others, protect the devices from erosive and/or corrosive fluids, for example, formation fluids under harsh downhole conditions. The protective barriers include protective coatings and fluid diverting stru ...


7
Joseph M Daszkowski: Thermal link. Fairchild Weston Systems, Stephen A Becker, Benjamin J Hauptman, Dale Gaudier, March 31, 1987: US04654754 (80 worldwide citation)

A thermal link provides a thermal path between a heat source and a heat sink which compensates for irregularities on the surface of the heat source and/or heat sink and/or nonuniformity in the spacing therebetween. One embodiment utilizes a spring metal device having a free arm which allows the link ...


8
Toru Terabayashi, Akihito Chikenji, Tsutomu Yamate, Oliver C Mullins, Andrew L Kurkjian, Hani Elshahawi: Methods and apparatus of downhole fluid analysis. Schlumberger Technology Corporation, Matthias Abrell, Jaime Castano, Dale Gaudier, December 9, 2008: US07461547 (60 worldwide citation)

Methods and apparatus for downhole analysis of formation fluids by isolating the fluids from the formation and/or borehole in a pressure and volume control unit that is integrated with a flowline of a fluid analysis module and determining fluid characteristics of the isolated fluids. Parameters of i ...


9
Gerald N Minerbo, Dzevat Omeragic, Richard A Rosthal: Directional electromagnetic measurements insensitive to dip and anisotropy. Schlumberger Technology Corporation, Kevin P McEnaney, Victor H Segura, Dale Gaudier, November 29, 2005: US06969994 (57 worldwide citation)

Systems and methods are provided for directional propagation-type logging measurements not sensitive to dip and anisotropy over a wide frequency range. Estimates of the distance of the logging tool to a bed boundary are obtained using “up-down” measurements with antenna configurations having tilted ...


10
Stephen Terepin: Digital signal processor. Schlumberger Measurement & Control, Dale Gaudier, December 30, 1986: US04633386 (57 worldwide citation)

A digital signal processor (10) has a crossbar network (110) interconnecting a control and timing circuit (100), a multiplier (112), a serial access data memory (128), temporary storage registers (122, 124, 126), an accumulator (120) and input and output inferfaces (130, 132). Instructions in an ext ...