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Patent Summary

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

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 133: End-to-end transmission system
Subclass 136: Receiver
Subclass 139: Chirp
Subclass 141: End-to-end transmission system
Subclass 142: Having correlation-type receiver
Subclass 147: Receiver
Subclass 148: Multi-receiver or interference cancellation
Subclass 149: Having specific code synchronization
Subclass 150: Correlation-type receiver
Subclass 152: Matched-filter-type receiver
Subclass 222: Modems (data sets)
Subclass 335: More than two frequencies
Subclass 340: Particular pulse demodulator or detector
Subclass 347: Diversity (frequency or time)
Subclass 367: Pseudo noise
Subclass E1.012: Parallel schemes (EPO)
Subclass E1.016: Using a code tracking loop, e.g., a delay locked loop (EPO)
Subclass E1.035: Arrangements for generation of hop sequences (EPO)

Class 340: Communications: Electrical

Communications - the handling of information or intelligence, restricted to the conveying of said information or intelligence between geographically spaced points. Information or intelligence is defined as being, matter which is handled by signaling systems or signaling devices (such as telegraph systems) or by that portion of nonsignaling systems or nonsignaling devices (such as power supply systems) which is designated in the arts as having a control function (such as the supervisory circuits which control the circuit breakers of an electric power network). Handling, as used above, is defined as being the active coaction between the tangible communication system or device and the intangible information or intelligence, and such coaction may assume various forms, such as transmission, storage, exhibiting, etc.

Subclass 539.1: Radio
Subclass 539.11: Including personal portable device
Subclass 539.13: Tracking location (e.g., GPS, etc.)
Subclass 539.21: Signal strength
Subclass 573.4: House arrest system, wandering, or wrong place
Subclass 7.2: Code responsive (i.e., paging)

Class 370: Multiplex Communications

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

Subclass 208: Particular set of orthogonal functions
Subclass 311: Signaling for performing battery saving
Subclass 320: Code division (CDMA)
Subclass 324: Synchronization
Subclass 330: Having both time and frequency assignment
Subclass 332: Based upon a particular signal quality measurement
Subclass 335: Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA)
Subclass 342: Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA)
Subclass 350: Synchronization
Subclass 503: Synchronizing
Subclass 527: Superimposed or modulated on principal information

Class 377: Electrical Pulse Counters, Pulse Dividers, Or Shift Registers: Circuits And Systems

This is the generic class for circuits or devices for making a count of electrical pulses; for circuits or devices for producing output pulses which are a fraction of the number of input. Also included are pulse multipliers which make use of pulse dividing circuits.

Subclass 63: Charge-coupled device

Class 455: Telecommunications

This is the generic class for modulated carrier wave communications not elsewhere classifiable.

Subclass 404.1: Emergency or alarm communication
Subclass 404.2: Location monitoring
Subclass 456.1: Location monitoring
Subclass 456.3: Position based personal service
Subclass 456.5: At system equipment (i.e., base station)
Subclass 456.6: At remote station (i.e., mobile station)
Subclass 457: Location display
Subclass 12.1: Space satellite
Subclass 502: Synchronized stations
Subclass 506: Rayleigh or multipath fading
Subclass 517: To or from mobile station
Subclass 522: Transmission power control technique
Subclass 63.1: Distortion, noise, or other interference prevention, reduction, or compensation
Subclass 65: Anti-multipath
Subclass 67.13: Noise, distortion, or unwanted signal detection (e.g., quality control, etc.)
Subclass 277.2: By signal quality (e.g., noise)

Class 342: Communications: Directive Radio Wave Systems And Devices (E.G., Radar, Radio Navigation)

Systems and processes for transmission or reception of radio wave energy for obtaining or utilizing information (using radio wave transmitters or receivers), as to an object, or as to the directional characteristics of the radio wave energy, per se. his class includes radar systems wherein radio wave energy from a transmitter is reflected or otherwise returned from an object to a receiver which may be at the same location as the transmitter; includes subsystems, components, and related processes which are limited to use in connection with the above. This class is limited to electromagnetic radio frequency waves in the radiation field.

Subclass 127: Phase comparison
Subclass 195: Digital processing
Subclass 361: Including polarized signal communication transmitter or receiver
Subclass 386: With transmisson of bearing or position determinative signals
Subclass 387: Iso-chronic type
Subclass 418: Doppler
Subclass 422: With self-orienting antenna pattern
Subclass 457: Land vehicle location (e.g., bus, police car
Subclass 458: Distance
Subclass 463: Having plural transmitters or receivers
Subclass 464: Plural transmitters only
Subclass 465: Plural receivers only

Class 708: Electrical Computers: Arithmetic Processing And Calculating

This is the generic class for electrical apparatus and corresponding methods for performing calculation operations. There are three main divisions: 1. electrical hybrid calculating computers; 2. electrical digital calculating computers; 3. electrical analog calculating computers.

Subclass 250: Random number generation

Class 701: Data Processing:Vehicles, Navigation, And Relative Location

This class provides for electrical computers, digital data processing systems, and data processing processes for transferring data between computers or processes wherein the computers or processes employ the data before or after transferring and the employing affects the transfer of data therebetween. This class is for electricalapparatus and corresponding methods for performing data processing operations in which there is a significant change in the data or for performing calculation operations wherein the electrical data processing system or calculating computer functions to indicate a condition of a vehicle, to regulate the movement of a vehicle, to monitor the operation of a vehicle, or to solve a diagnostic problem with the vehicle. It also provides electrical apparatus and corresponding methods wherein the electrical data processing system or calculating computer function to determine the course, position, or distance traveled. It further provides electrical apparatus and corresponding methods wherein the electrical data processing system or calculating computer functions to determine the relative location of an object (e.g., person or vehicle) and may include communication of the determined relative location to a remote location. In this class there are three main divisions: 1. vehicle control, guidance, operation or indication; 2. navigation; 3. relative location

Class 380: Cryptography

Equipment and processes which (a) conceal or obscure intelligible information by transforming such information so as to make the information unintelligible to a casual or unauthorized recipient, or (b) extract intelligible information from such a concealed representation, including breaking of unknown codes and messages.

Subclass 274: Synchronization
Subclass 37: Block/data stream enciphering
Subclass 42: Data stream/substitution enciphering
Subclass 44: Having particular key generator
Subclass 47: Plural generators

Class 714: Error Detection/Correction And Fault Detection/Recovery

This class provides for process or apparatus for detecting and correcting errors in electrical pulse or pulse coded data; it also provides for process or apparatus for detecting and recovering from faults in electrical computers and digital data processing systems, as well as logic level based systems.

Subclass 701: Data formatting to improve error detection correction capability

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 154: Including synchronization