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Patent Summary

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

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 106: Coding by table look-up techniques
Subclass 107: To or from code based on probability
Subclass 50: DIGITAL CODE TO DIGITAL CODE CONVERTERS

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 147: Receiver
Subclass 148: Multi-receiver or interference cancellation
Subclass 150: Correlation-type receiver
Subclass 152: Matched-filter-type receiver
Subclass 219: TRANSCEIVERS
Subclass 220: Transmission interface between two stations or terminals
Subclass 222: Modems (data sets)
Subclass 240: BANDWIDTH REDUCTION OR EXPANSION
Subclass 240.01: Television or motion video signal
Subclass 240.12: Predictive
Subclass 240.16: Motion vector
Subclass 240.26: Associated signal processing
Subclass 257: CABLE SYSTEMS AND COMPONENTS
Subclass 258: Transformer coupling
Subclass 260: Plural channels for transmission of a single pulse train
Subclass 262: Maximum likelihood decoder or viterbi decoder
Subclass 265: Trellis encoder or Trellis decoder
Subclass 295: TRANSMITTERS
Subclass 316: RECEIVERS
Subclass 341: Maximum likelihood decoder or viterbi decoder
Subclass 354: SYNCHRONIZERS
Subclass 356: Network synchronizing more than two stations
Subclass E1.032: The interference being multi path interference, e.g., RAKE receivers (EPO)

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 165: Pattern recognition or classification using color
Subclass 170: With pattern recognition or classification
Subclass 190: Feature extraction

Class 455: Telecommunications

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

Subclass 347: Cabinet, housing, or chassis structure
Subclass 39: TRANSMITTER AND RECEIVER AT SEPARATE STATIONS
Subclass 412.1: Message storage or retrieval
Subclass 412.2: Having message notification
Subclass 414.3: Based on request (e.g., news, weather, etc.)
Subclass 418: Programming control
Subclass 558: Card control element
Subclass 73: TRANSMITTER AND RECEIVER AT SAME STATION (E.G., TRANSCEIVER)
Subclass 91: TRANSMITTER

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 208: Particular set of orthogonal functions
Subclass 209: Walsh functions
Subclass 210: Fourier transform
Subclass 231: End-to-end flow control
Subclass 232: Based on data flow rate measurement
Subclass 235: Flow control of data transmission through a network
Subclass 253: Measurement of flow rate of messages having an address header
Subclass 272: SEXTUPLEX
Subclass 273: QUADRUPLEX
Subclass 276: DUPLEX
Subclass 286: Echo suppression or cancellation
Subclass 297: DIPLEX
Subclass 324: Synchronization
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 464: COMMUNICATION TECHNIQUES FOR INFORMATION CARRIED IN PLURAL CHANNELS
Subclass 503: Synchronizing

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 748: Request for retransmission

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 156: MULTI-LINE OR KEY SUBSTATION SYSTEM WITH SELECTIVE SWITCHING AND CENTRAL SWITCHING OFFICE CONNECTION
Subclass 398: LINE EQUALIZATION OR IMPEDANCE MATCHING
Subclass 399.01: SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE
Subclass 406.14: Sub-band analysis
Subclass 93.01: Having transmission of a digital message signal over a telephone line

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 159: Reducing distortion or dispersion
Subclass 162: Including feedback from receiver
Subclass 193: Precompensation (e.g., prechirping, predistortion

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 200: SPEECH SIGNAL PROCESSING
Subclass 200.1: Psychoacoustic
Subclass 201: For storage or transmission
Subclass 205: Frequency
Subclass 222: Vector quantization
Subclass 229: Adaptive bit allocation
Subclass 230: Quantization
Subclass 500: AUDIO SIGNAL BANDWIDTH COMPRESSION OR EXPANSION
Subclass 501: With content reduction encoding
Subclass 503: AUDIO SIGNAL TIME COMPRESSION OR EXPANSION (E.G., RUN LENGTH CODING)
Subclass 504: With content reduction encoding

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 208: Scaling
Subclass 403: Fourier
Subclass 404: Fast Fourier Transform (i.e., FFT)
Subclass 405: Discrete Fourier Transform (i.e., DFT)
Subclass 406: Pipeline
Subclass 407: Systolic
Subclass 408: Radix greater than two
Subclass 409: Butterfly circuit

Class 439: Electrical Connectors

This is the generic class for a pair of mated conductors comprising at least two electrically conducting elements which are interconnected to permit relative motion of such conducting elements during use without a break in electrical conductivity therebetween. Also, this is the generic class for a device constituting an electricity conducting contact between conductors of electricity; wherein the joint is of a type which may be readily made and broken, repeatedly by attachment and detachment of contact supporting structure on each conductor.

Subclass 301: Retaining means requiring destruction of element before separation

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 486: Holding devices

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 304: Conductive sidewall component
Subclass 345: Walled emitter

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 20: Tokens (e.g., smartcards or dongles, etc.)
Subclass 35: Theft prevention

Class 327: Miscellaneous Active Electrical Nonlinear Devices, Circuits, And Systems

This is the residual class for electrical devices, circuits or systems having an output not directly proportional to its input and comprising at least one component which can provide gain or can route electrical current and which device, circuit or system does not form a complete system such as is classified specifically elsewhere or a subcombination of utility only in such elsewhere classified system.

Subclass 108: Current driver

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 5.52: Biometrics