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Paul M. Hill Patents
Hill; Paul M.
Millis, MA
No. of patents:

Patent Number Title Of Patent Date Issued
5546190 Carrier and clock recovery for lightwave systems August 13, 1996
An optical communication system includes a transmitter for generating a subcarrier multiplexed optical signal from a pilot tone, a receiver and an optical fiber for coupling the optical signal from the transmitter to the receiver. At the transmitter, an optical carrier is modulated with
5418785 Multiple-channel token ring network with single optical fiber utilizing subcarrier multiplexing May 23, 1995
Apparatus for and method of communicating over a local area network is disclosed. Multiple nodes are connected by an optical fiber in a ring architecture. The cable supports multiple subcarrier multiplexed data communication channels for transmitting and receiving message data between
4953156 Wideband subcarrier multiplexed optical communication system operating over more than one octave August 28, 1990
An optical communication system includes an optical transmitter for transmitting a subcarrier multiplexed optical signal through a single mode optical fiber to an optical receiver. The optical transmitter includes a semiconductor laser diode for generating a light beam. The laser diode i

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