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Patent Summary

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

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
Subclass 746: Digital data error correction
Subclass 755: Double encoding codes (e.g., product, concatenated)
Subclass 780: Using symbol reliability information (e.g., soft decision)
Subclass 786: Forward error correction by tree code (e.g., convolutional)
Subclass 787: Random and burst errors
Subclass 788: Burst error
Subclass 790: Puncturing
Subclass 795: Viterbi decoding

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 141: End-to-end transmission system
Subclass 146: Transmitter
Subclass 240.19: Wavelet
Subclass 260: Plural channels for transmission of a single pulse train
Subclass 262: Maximum likelihood decoder or viterbi decoder
Subclass 267: Diversity
Subclass 295: TRANSMITTERS
Subclass 296: Antinoise or distortion (includes predistortion)
Subclass 297: Power amplifier
Subclass 308: Phase shift keying
Subclass 340: Particular pulse demodulator or detector
Subclass 341: Maximum likelihood decoder or viterbi decoder

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 5.53: Image (e.g., fingerprint, face)
Subclass 5.6: Coded record input (e.g., IC card or key)

Class 235: Registers

Machines employed for ascertaining the number of movements of various devices or machines; also, indicating devices where the purpose is to disclose the numerical extent or quantity of movement of a machine and where the device is separate and independent of the machine whose movements are to be noted; also organized machines, such as, cash-registers, fare-registers, voting machines and calculators having registering or counting devices as essential or important elements and having in addition certain other features necessary to make up the complete machines for the purposes desired.

Subclass 380: Credit or identification card systems

Class 382: Image Analysis

This is the generic class for apparatus and corresponding methods for the automated analysis of an image or recognition of a pattern. Included herein are systems that transform an image for the purpose of (a) enhancing its visual quality prior to recognition, (b) locating and registering the image relative to a sensor or stored prototype, or reducing the amount of image data by discarding irrelevant data, and (c) measuring significant characteristics of the image.

Subclass 154: 3-D or stereo imaging analysis
Subclass 201: Point features (e.g., spatial coordinate descriptors)
Subclass 233: Including details of decompression
Subclass 238: Predictive coding
Subclass 240: Pyramid, hierarchy, or tree structure
Subclass 251: Quantization
Subclass 294: Registering or aligning multiple images to one another

Class 385: Optical Waveguides

(1) An optical waveguiding element, which conveys light from one point to another through an optically transparent elongated structure by modal transmission, total internal reflection, or total reflectorization. (2) A combination of an optical waveguiding element with an additional broadly recited optical element which couples light or a combination. (3) A combination of an optical waveguiding element with structure which mechanically joins this waveguiding element with another or with a diverse optical element. (4) An optical modulator where the modulation of a light wave characteristic is performed exclusively within an optical waveguiding element. (5) Other miscellaneous devices formed of an optical waveguide (e.g., a waveguide sensing device) and supplemental devices which are limited to use with an optical waveguide (e.g., an external clamp or retainer).

Subclass 132: Channel waveguide

Class 438: Semiconductor Device Manufacturing: Process

This class provides for manufacturing a semiconductor containing a solid-state device for the following purposes: (a) conducting or modifying an electrical current, (b) storing electrical energy for subsequent discharge within a microelectronic integrated circuit, or (c) converting electromagnetic wave energy to electrical energy or electrical energy to electromagnetic energy. Also operations involving: (1) coating a substrate with a semiconductive material, or (2) coating a semiconductive substrate or substrate containing a semiconductive region. It also provides for operations involving etching a semiconductive substrate or etching a substrate containing a semiconductive region. The class provides for packaging or treatment of packaged semiconductor.

Subclass 27: Having additional optical element (e.g., optical fiber, etc.)
Subclass 29: Including integrally formed optical element (e.g., reflective layer, luminescent material, contoured surface, etc.)
Subclass 31: Optical waveguide structure
Subclass 65: Having additional optical element (e.g., optical fiber, etc.)
Subclass 69: Including integrally formed optical element (e.g., reflective layer, luminescent layer, etc.)

Class 704: Data Processing:Speech Signal Processing, Linguistics, Language Translation, And Audio Compression/Decompression

This is the generic class for apparatus and corresponding methods for constructing, analyzing, and modifying units of human language by data processing, in which there is a significant change in the data.This class also provides for systems or methods that process speech signals for storage, transmission, recognition, or synthesis of speech; and for systems or methods for bandwidth compression or expansion of an audio signal, or for time compression or expansion of an audio signal. There are three main divisions: linguistics; speech signal processing; and audio compression.

Subclass 207: Pitch
Subclass 208: Voiced or unvoiced
Subclass 217: Autocorrelation

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 211: Level multiplex

Class 330: Amplifiers

This is the generic class for amplifiers, included: Amplifiers having all types of active elements (or amplifying devices), amplifier systems having plural amplifier channels, cascade amplifiers, push-pull amplifiers and other amplifiers having plural amplifier devices. Also included are amplifiers with plural signal sources or plural loads. Amplifiers including the means coupling the signal source to the amplifier or coupling the amplifier to the load or between cascaded stages are also included. Amplifiers combined with tone control means. Amplifiers combined with amplitude (volume) control means whether by manual control, by control of an electrode D.C. bias. Amplifiers combined with power supply. Amplifiers combined with structural features of the amplifier or the amplifier circuit elements. Amplifiers having signal feedback means.


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.

Subclass 143: Differential encoder and/or decoder (e.g., delta modulation, differential pulse code modulation)
Subclass 144: Digital to analog conversion

Class 348: Television

Generating, processing, transmitting or transiently displaying a sequence of images, either locally or remotely, in which the local light variations composing the images may change with time.

Subclass 43: Signal formatting
Subclass 44: Pseudo

Class 345: Computer Graphics Processing And Selective Visual Display Systems

Processes and apparatus for selective electrical control of two or more light-generating or light-controlling display elements* in accordance with a received or stored image data signal. The image data includes character, graphical information or display attribute data. The image data may include, for example, information data from a peripheral input device, from the reception of a television signal, from the recognition of image data, or from the generation or creation of image data by a computer.

Subclass 419: Three-dimension