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Whitaker, Jr.; Norman A.
Atlantic Highlands, NJ
No. of patents:

Patent Number Title Of Patent Date Issued
5570355 Method and apparatus enabling synchronous transfer mode and packet mode access for multiple serv October 29, 1996
STM traffic, e.g. voice and video telephony (VT), as well as packet mode (e.g. ATM) traffic, e.g. broadcast digital video, interactive television, and data, are transmitted via a multiple access broadband fiber/coaxial cable network. Customer premises equipment (CPE) at stations, and a
5442474 Self-routing optical communication node using Sagnac gates August 15, 1995
A Sagnac gate-based self-routing optical signal switching node demultiplexes each channel of data bits of an N channel multiplexed optical data signal to one of a plurality of output terminals in accordance with the routing bit(s) of each data channel received in the N channel multip
5369520 Optical regeneration circuit November 29, 1994
An optical regenerator includes a clock recovery circuit which recovers an optical clock signal from a received deteriorated optical data signal. The recovered optical clock signal is used to generate a new optical clock signal. The new optical clock signal and the received deteriorated
5301008 Optical crossbar exchange arrangement April 5, 1994
An optical crossbar exchange arrangement is implemented using a modified Sagnac switch. During the absence of a control signal, two separately numbered inputs are coupled to the same numbered outputs of the Sagnac switch (i.e., input1 to output1, etc.). During the presence of a control
5208705 Optical linear feedback shift register May 4, 1993
An optical linear feedback shift register arrangement includes an optical encoding means implemented using a modified Sagnac switch. The encoding means encodes a received optical clock signal with a value derived from an exclusive-or of a first and second delayed version of an encoded si
5155779 Optical circulating shift register October 13, 1992
An all-optical circulating shift register encodes a received optical clock signal with a value derived from an encoded optical signal received at a control port thereof. A data input to the shift register is used to modify an encoded optical signal. The resulting encoded clock signal, ap
5146517 Low distortion all-optical threshold device September 8, 1992
Transmission capabilities of optical fibers are enhanced with all-optical means for removing noise from signal pulses and for creating clean output pulses with specified characteristics. This is accomplished with a nonlinear interferometer that is designed to operate on an amplified

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