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Patent Summary

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

Class 455: Telecommunications

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

Subclass 101: Diversity
Subclass 102: Plural modulation
Subclass 103: Plural separate transmitters or channels
Subclass 111: Including distributed parameter structure
Subclass 115.1: Measuring, testing, or monitoring of transmitter
Subclass 127.1: Power control, power supply, or bias voltage supply
Subclass 13.4: Power control
Subclass 132: Plural receivers
Subclass 133: With output selecting
Subclass 226.3: Signal-to-noise ratio
Subclass 296: Noise or interference elimination
Subclass 302: Image frequency suppression
Subclass 303: Using plural separate signal paths
Subclass 342: Reflex type
Subclass 406: Billing
Subclass 410: Security or fraud prevention
Subclass 411: Privacy, lock-out, or authentication
Subclass 414.4: Format conversion (e.g., text, audio, etc.)
Subclass 423: Diagnostic testing, malfunction indication, or electrical condition measurement
Subclass 424: System equipment
Subclass 425: Subscriber equipment
Subclass 428: Switching or routing
Subclass 432.1: Roaming
Subclass 432.2: System format conversion
Subclass 433: Home location registration (HLR) or visitor location registration (VLR) detail
Subclass 435.1: Registration
Subclass 436: Handoff
Subclass 441: Based upon unit velocity
Subclass 450: Channel allocation
Subclass 452.1: Dynamic allocation
Subclass 452.2: Based on service quality (e.g., bandwidth, etc.)
Subclass 517: To or from mobile station
Subclass 522: Transmission power control technique
Subclass 561: Base station detail
Subclass 562.1: Having specific antenna arrangement
Subclass 67.11: Having measuring, testing, or monitoring of system or part
Subclass 67.13: Noise, distortion, or unwanted signal detection (e.g., quality control, etc.)
Subclass 69: Transmitter controlled by signal feedback from receiver

Class 341: Coded Data Generation Or Conversion

1) originating or emitting a coded set of discrete signals or 2) translating one code into another code wherein the information signal content remains the same but the formats may differ. For classification herein, at least one of the codes must be a set of pulses or digits and electrical in nature.


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 142: Having correlation-type receiver
Subclass 145: Having specific signaling for code synchronization
Subclass 148: Multi-receiver or interference cancellation
Subclass 150: Correlation-type receiver
Subclass 225: Data rate
Subclass 244: Differential
Subclass 246: Length coding
Subclass 260: Plural channels for transmission of a single pulse train
Subclass 261: Quadrature amplitude modulation
Subclass 267: Diversity
Subclass 285: Antinoise or distortion
Subclass 295: TRANSMITTERS
Subclass 298: Quadrature amplitude modulation
Subclass 299: Plural diversity
Subclass 316: RECEIVERS
Subclass 324: Particular demodulator
Subclass 325: Including coherent detector
Subclass 329: Phase shift keying
Subclass 335: More than two frequencies
Subclass 340: Particular pulse demodulator or detector
Subclass 341: Maximum likelihood decoder or viterbi decoder
Subclass 342: Locating predetermined portion of pulse
Subclass 346: Interference or noise reduction
Subclass 349: Plural signal paths in receiver
Subclass 365: Synchronization word
Subclass 367: Pseudo noise
Subclass E1.002: Using direct sequence modulation (EPO)
Subclass E1.031: Parallel interference cancellation (EPO)
Subclass E1.032: The interference being multi path interference, e.g., RAKE receivers (EPO)

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 210: Fourier transform
Subclass 252: Determination of communication parameters
Subclass 260: Conferencing
Subclass 318: Including power control
Subclass 320: Code division (CDMA)
Subclass 321: Time division (TDMA)
Subclass 328: Having a plurality of contiguous regions served by respective fixed stations
Subclass 329: Channel assignment
Subclass 330: Having both time and frequency assignment
Subclass 332: Based upon a particular signal quality measurement
Subclass 334: Using multiple antennas at a station
Subclass 335: Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA)
Subclass 338: Contiguous regions interconnected by a local area network
Subclass 342: Combining or distributing information via code word channels using multiple access techniques (e.g., CDMA)
Subclass 343: Combining or distributing information via frequency channels
Subclass 348: Channel reservation scheme
Subclass 349: Using messages having an address field as header
Subclass 350: Synchronization
Subclass 352: Combined circuit switching and packet switching
Subclass 353: Switching network having common elements to handle both circuit switched traffic and packet switched traffic
Subclass 355: Routing packets through a circuit switching network
Subclass 356: Routing circuit switched traffic through a packet switching network
Subclass 389: Switching a message which includes an address header
Subclass 392: Processing of address header for routing, per se
Subclass 395.1: Message transmitted using fixed length packets (e.g., ATM cells)
Subclass 395.2: Connection set-up/disconnect (e.g., Connection Admission Control)
Subclass 395.21: Based on traffic contract (including using setup messages, QoS, delay/bandwidth requirement)
Subclass 395.52: Internet Protocol (including TCP/IP or UDP/IP) over fixed length packet network (e.g., IP over ATM)
Subclass 398: Centralized switching
Subclass 401: Bridge or gateway between networks
Subclass 402: Bridge between bus systems
Subclass 403: At least one bus is a ring network
Subclass 436: Combined time and frequency assignment
Subclass 463: Details of circuit or interface for connecting user to the network
Subclass 467: Conversion between signaling protocols
Subclass 468: Assignment of variable bandwidth or time period for transmission or reception
Subclass 469: Processing multiple layer protocols
Subclass 474: Assembly or disassembly of messages having address headers
Subclass 475: Address transmitted
Subclass 480: Combining or distributing information via frequency channels
Subclass 491: Pilot
Subclass 498: Combining or distributing information via time channels

Class 709: Electrical Computers And Digital Processing Systems: Multicomputer Data Transferring

This class provides for an electrical computer or digital data processing system or corresponding data processing method including apparatus or steps for transferring data or instruction information between a plurality of computers wherein the computers employ the data or instructions before or after transferring and the employing affects said transfer of data or instruction information. The class includes - process or apparatus for transferring data among a plurality of spatially distributed (i.e., situated, at plural locations) computers or digital data processing systems via one or more communications media (e.g., computer networks).

Subclass 203: Compression/decompression
Subclass 204: Format conversion

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 205: Normalization

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 18: Transmission data record (e.g., for retransmission)
Subclass 704: Error count or rate
Subclass 746: Digital data error correction
Subclass 748: Request for retransmission
Subclass 765: Error pointer
Subclass 786: Forward error correction by tree code (e.g., convolutional)
Subclass 790: Puncturing

Class 379: Telephonic Communications

(1) Systems, processes and instruments for the two-way electrical transmission of intelligible audio information having arbitrary content over a link including an electrical conductor, between spaced apart locations, so as to enable conversation therebetween, and intended for the private use of a listener or a group of listeners. The term "intelligible" used above is intended to include the capability for transmission of speech or the like (e.g., music), rather than restriction to a specified audible signal, such as a bell or buzzer. (2) Switching, signalling or signal transmission peculiar to, or specified as for a telephone or a telephone system, except for multiplex communications as indicated in Lines With Other Classes.

Subclass 114.2: Pre-paid calling account or card
Subclass 21: Using portable test set (e.g., handset type)
Subclass 392: Suppression (e.g., antisidetone)

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.


Class 713: Electrical Computers And Digital Processing Systems: Support

Subclass 153: Particular node (e.g., gateway, bridge, router, etc.) for directing data and applying cryptography
Subclass 156: By certificate

Class 726: Information Security

This class provides, within a computer or digital data processing system, for processes or apparatus for increasing a system s extension of protection of system hardware, software, or data from maliciously caused destruction, unauthorized modification, or unauthorized disclosure. It provides for protection of data processing systems, apparatus, and methods as well as protection of information and services. Subject matter included in this class includes security policies, access control, monitoring, scanning data, countermeasures, usage control, and data protection from maliciously caused destruction, unauthorized modification, or unauthorized disclosure, and includes protection of hardware, and user protection, e.g., privacy, etc.

Subclass 27: Access control
Subclass 28: By authorizing user
Subclass 3: Network
Subclass 4: Authorization
Subclass 5: Credential
Subclass 6: Management