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Patent for Sale:

Private Listing: Number 4874 Private  

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Overview

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Patent Summary

U.S. Patent Classes & Classifications Covered in this listing:

Class 398: Optical Communications

This class provides for all types of communication systems in which optical signals are used to transmit modulated carrier wave information between points. Such communication includes transmitting an intelligence-bearing signal from one point to another in the form of variations in a characteristic of the light wave. The communication may be through free space, fibers or waveguides. These are used to transfer the information with an optical beam, and this beam can be used in various communication schemes to enable the most effective or desired method of moving the information, including optical multiplexing when plural information signals or plural transmitters and receivers are utilized.

Subclass 115: HYBRID COMMUNICATION SYSTEM (E.G., OPTICAL AND RF)
Subclass 116: Including specific optical interface
Subclass 135: OPTICAL TRANSCEIVER
Subclass 136: Including compensation
Subclass 137: Including feedback
Subclass 138: Single device as transmitter and receiver
Subclass 139: Including optical fiber or waveguide
Subclass 163: Including electrical oscillator
Subclass 201: Including specific optical elements
Subclass 58: Optical local area network (LAN)
Subclass 66: Broadcast and distribution system
Subclass 67: Bidirectional
Subclass 70: Hub or central office
Subclass 71: Including subscribers
Subclass 72: Bidirectional
Subclass 79: Wavelength division or frequency division (e.g., Raman, Brillouin, etc.)

Class 370: Multiplex Communications

This is the generic class for multiplexing or duplexing systems, methods, or apparatus.

Subclass 203: GENERALIZED ORTHOGONAL OR SPECIAL MATHEMATICAL TECHNIQUES
Subclass 437: Adaptive selection of channel assignment technique
Subclass 445: Carrier sense multiple access (CSMA)

Class 375: Pulse Or Digital Communications

This is the generic class for pulse or digital communication systems using electrical or electromagnetic signals. Such communication includes transmitting an intelligence bearing signal from one point to another in the form of discrete variations in some parameter of the electrical or electromagnetic signal.

Subclass 132: Frequency hopping
Subclass 327: Phase locked loop

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