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Patent Summary

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

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 403.1: Involving transform coding
Subclass 462: Audio
Subclass 467: Data format
Subclass 699: Motion vector generation
Subclass E11.021: Conversion of the manner in which the individual color picture signal components are combined, e.g., conversion of color television standards (EPO)
Subclass E7.071: Direct or substantially direct transmission and handling of requests (EPO)
Subclass E5.002: Multimedia set-top circuitry for digital video services (EPO)
Subclass E5.005: Transport demultiplexing therefor (EPO)
Subclass E5.067: Scene change detection (EPO)

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 240: BANDWIDTH REDUCTION OR EXPANSION
Subclass 240.01: Television or motion video signal
Subclass 240.02: Adaptive
Subclass 240.03: Quantization
Subclass 240.04: Feed forward
Subclass 240.08: Feature based
Subclass 240.12: Predictive
Subclass 240.13: Intra/inter selection
Subclass 240.15: Bidirectional
Subclass 240.16: Motion vector
Subclass 240.17: Half-pixel refinement
Subclass 240.18: Transform
Subclass 240.2: Discrete cosine
Subclass 240.21: Subsampling
Subclass 240.24: Block coding
Subclass 240.25: Specific decompression process
Subclass 357: Synchronization failure prevention
Subclass 376: Phase locked loop
Subclass E7.012: Where the control is performed by the receiver of the video, e.g., active selection by the receiver from a scalable bitstream or selective multicast subscription (EPO)
Subclass E7.022: Involving modification of bitstream parameters, e.g., restamping of time stamps, remapping of identifiers transmultiplexing (EPO)
Subclass E7.093: Implementation arrangements, e.g., implementation by hardware of software (EPO)
Subclass E7.094: Memory arrangements (EPO)
Subclass E7.1: Motion estimation and/or compensation hardware (EPO)
Subclass E7.105: Methods (EPO)
Subclass E7.107: Multiresolution or hierarchical method (EPO)
Subclass E7.119: Search initialization, i.e., estimating a good candidate to initiate a search (EPO)
Subclass E7.121: Rate-distortion criteria (EPO)
Subclass E7.133: Predictor (EPO)
Subclass E7.138: Encoding parameters processing, e.g., initialization, alteration, compression (EPO)
Subclass E7.139: Quantizer (EPO)
Subclass E7.14: Details of quantization, normalization or weighting functions, e.g., normalization parameters or matrices, variable uniform quantizes, weighting matrices (EPO)
Subclass E7.145: Skipping or zeroing of coding units, e.g., adaptive decimation, frame skipping, transform coefficient masking (EPO)
Subclass E7.148: Refresh, i.e., intra-coding mode decision, e.g., at macroblock or picture level (EPO)
Subclass E7.15: Picture structure, e.g., interlaced/progressive (EPO)
Subclass E7.155: Using a combination of feedforward and feedback control (EPO)
Subclass E7.156: Using feedforward control (EPO)
Subclass E7.157: Based on model-estimated code amount (EPO)
Subclass E7.162: Complexity, e.g., activity, edges (EPO)
Subclass E7.163: Motion, e.g., field or frame difference (EPO)
Subclass E7.164: Using motion vectors (EPO)
Subclass E7.165: Scene cut (EPO)
Subclass E7.17: Picture or macroblock type, e.g., I,P,B (EPO)
Subclass E7.172: User input (EPO)
Subclass E7.176: Block or macroblock (EPO)
Subclass E7.177: Transform coefficient (EPO)
Subclass E7.178: Pixel (EPO)
Subclass E7.181: Picture (EPO)
Subclass E7.183: Scene or shot (EPO)
Subclass E7.184: Bit (EPO)
Subclass E7.187: Compressed domain processing (EPO)
Subclass E7.19: Involving reduction of coding artifacts, e.g., of blockiness (EPO)
Subclass E7.211: Involving transform and predictive coding , e.g., hybrid coding, Motion Picture Experts Group (MPEG) coding (EPO)
Subclass E7.214: Quantization, normalization or weighting techniques therefor, e.g., normalization parameters or matrices, variable uniform quantizers, weighting matrices (EPO)
Subclass E7.217: With feedforward control only of the data rate, e.g., formation amount estimator or sorter being used (EPO)
Subclass E7.218: With feedforward and feedback control of the data rate (EPO)
Subclass E7.222: Multiplexing arrangements therefor, e.g., suited to a video bitstream syntax (EPO)
Subclass E7.241: Involving pre-processing of the picture element samples before transform coding or post-processing of the same after transform decoding (EPO)
Subclass E7.25: With motion compensated interpolation, e.g., involving bidirectional frame interpolation, i.e., use of B-pictures (EPO)
Subclass E7.256: Using motion compensation, e.g., by means of motion vectors (EPO)
Subclass E7.258: Block-based (EPO)
Subclass E7.263: Using motion detection, e.g., with detection of moving zones (EPO)
Subclass E7.271: Said other signal being a related audio signal (EPO)
Subclass E7.272: Said other signal being a private data stream, e.g., teletext, graphics (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 250: Discrete cosine or sine transform

Class 370: Multiplex Communications

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

Subclass 389: Switching a message which includes an address header
Subclass 392: Processing of address header for routing, per se
Subclass 394: Sequencing or resequencing of packets to insure proper output sequence order
Subclass 412: Queuing arrangement
Subclass 468: Assignment of variable bandwidth or time period for transmission or reception
Subclass 473: Transmission of a single message having multiple packets
Subclass 474: Assembly or disassembly of messages having address headers
Subclass 487: Combined communication of diverse information types
Subclass 498: Combining or distributing information via time channels
Subclass 516: Adjusting for phase or jitter
Subclass 517: Including delay device
Subclass 522: Signaling (ancillary to main information)
Subclass 535: Multiplexing combined with demultiplexing
Subclass 536: Demultiplexing single signal into plural parallel channels (e.g., parallel transmission for increasing transmission speed)
Subclass 543: Different rate output channels

Class 715: Data Processing: Presentation Processing Of Document

This class provides for data processing means or steps wherein a) human perceptible elements of electronic information (i.e., text or graphics) are gathered, associated, created, formatted, edited, prepared, or otherwise processed in forming a unified collection of such information storable as a distinct entity, b) a users interaction with a computer system is used to control the presentation of display data; such interaction is interpreted and used by a data processor or computer architecture wherein system level elements of computation or data processing techniques are used prior to use with or in a specific display system, or c) a small program takes over a display screen if there are no keystrokes or mouse movements for a specified duration.

Subclass 723: For video segment editing or sequencing
Subclass 724: Cut and paste operation
Subclass 725: Trimming
Subclass 726: Effects or transitions interface
Subclass 730: Presentation to audience interface (e.g., slide show)
Subclass 731: Authoring tool
Subclass 762: User interface development (e.g., GUI builder)
Subclass 803: Window differentiation

Class 707: Data Processing:Database And File Management Or Data Structures

This is the generic class for data processing apparatus and corresponding methods for the retrieval of data stored in a database or as computer files. It provides for data processing means or steps for generic data, file and directory upkeeping, file naming, and file and database maintenance including integrity consideration, recovery, and versioning. There are three main divisions: 1. database and file accessing; 2. database schema and data structure; 3. file and database maintenance.

Subclass E17.021: Using color (EPO)
Subclass E17.024: Using shape and object relationship (EPO)
Subclass E17.025: Using texture (EPO)
Subclass E17.026: Based on bibliographical data of images (EPO)
Subclass E17.121: Optimizing the visualization of content, e.g., distillation of HTML documents, etc. (EPO)

Class G9B/27.029: