Litton Systems, Inc.

Moog Gmbh

Fuchs Petrolub Se

Michael P Duncan

Norris E Lewis

Anthony L Bowman

Michael B Miller

Robert Thomas Rogers

Robert T Rogers, Sr

Barry Kent Witherspoon

Larry Dean Vaught

Heinz Gerhard Theis

Paul Roger Littley

D James Deodhar

Gema Del Olmo Tomás

Kanwai P Lo

Norris Earl Lewis

Barry K Witherspoon

Gema Del Olmo Tomas

A processing fluid that is free of boron and secondary amines includes a petroleum-based or non-petroleum-based oil; water; and an additive composition comprising a long chain primary amine; an tertiary cycloalkylamine; and an amino acid.

Additive compositions and industrial process fluids

A fiber optic transceiver () is adapted for use in transmitting and receiving optical signals in a fiber-optic network (). The improved transceiver comprising: a multi-mode optical fiber () having a longitudinal axis (x&#x2014;x) and having a proximal end (). The fiber is adapted to convey optical signals in either direction therealong. A photodetector () is arranged in longitudinally-spaced relation to the fiber proximal end. The photodetector has a sensitive surface () operatively arranged to receive light energy exiting the fiber through the proximal end. A light source () is arranged between the fiber proximal end and the photodetector surface. The light source is arranged to selective emit light energy into the fiber through the proximal end.

Fiber-optic transceiver

Unidirectional and bi-directional fiber optic rotary joints are disclosed for coupling at least one optical signal across a rotary interface. The unidirectional joint includes a stator having a waveguide. A rotor is rotatable through a full 360.degree. revolution and is concentric to the stator. Light transmitters are positioned on a first circumference and connected to one of the stator and the rotor. Each of the transmitters emits an optical signal. Light receivers are positioned on a second circumference and connected to the other one of the stator and the rotor. Each of the transmitted optical signals is emitted tangentially into the waveguide and is reflected in short chordal lengths along the waveguide. Each optical signal is received by at least one of the second plurality of light receivers through the full 360.degree. revolution of the rotor. The number of light receivers is greater than the number of light transmitters. Certain receivers do not receive an optical signal during a portion of the 360.degree. revolution of the rotor.

Fiber optic rotary joint

Unidirectional and bidirectional fiber optic rotary joints are disclosed for coupling at least one optical signal across a rotary interface. The unidirectional joint includes a stator having a waveguide. A rotor is rotatable through a full 360.degree. revolution and is concentric to the stator. Light transmitters are positioned on a first circumference and connected to one of the stator and the rotor. Each of the transmitters emits an optical signal. Light receivers are positioned on a second circumference and connected to the other one of the stator and the rotor. Each of the transmitted optical signals is emitted tangentially into the waveguide and is reflected in short chordal lengths along the waveguide. Each optical signal is received by at least one of the second plurality of light receivers through the full 360.degree. revolution of the rotor. The number of light receivers is greater than the number of light transmitters. Certain receivers do not receive an optical signal during a portion of the 360.degree. revolution of the rotor.

A hybrid fiber optic transceiver is described which includes a transmitter for converting electrical data signals to corresponding light energy, a receiver for converting optical data signals back to electrical data signals and a clock recovery mechanism to maintain the electrical data signals outputs from the receiver in their proper order. The transceiver includes an optical splitter or coupler that allows light signals to be transmitted and received over a single fiber. The opto-electrical hybrid circuitry of the transceiver and the fiber optic coupler are enclosed in a small light weight package which is hermetically sealed.

Fiber optic transceiver with integrated coupler

Growing community of inventors

Pulaski, VA, United States of America

Michael P Duncan