Matches 101 - 150 out of 188 < 1 2 3 4 >
Match Document Document Title
5946352 Method and apparatus for downmixing decoded data streams in the frequency domain prior to conversion to the time domain  
A data processing device is programmed to decode and transform a stream of data representing a plurality of subband encoded channels of audio data into one or more channels of PCM encoded data for...
5931904 Method for reducing the delay between the time a data page is requested and the time the data page is displayed  
The apparent speed of a connection between a browser at a user station and a proxy or gateway on a network such as the Internet is increased by providing a local proxy at the user station which...
5929792 Method and apparatus for encoding multiple character sets  
Each character in a message is segregated into a range depending on the value of the character and encoded based on the range of the character. The encoding techniques may include removing all but...
5930399 Data encoding for a communication channel supporting a subset of the characters to be transmitted  
Characters that are not among those recognized for use in page messages are encoded using a subset of the recognized printable characters to enable the data comprising a page object to be...
5923272 Serial bitstream code for timing-based servo  
Disclosed is a coding technique which takes advantage of the use of an internal synchronization technique for a timing-based servo which employs alternating 4 and 5 transition bursts of servo to...
5898393 Data translating memory system  
A data translating memory system useful in a liquid ink printer. The data translating memory system is organized such that the process of writing information and the process of reading the...
5889818 Adaptive display refresh and data compression in a radio frequency environment  
An adaptive display refresh and data compression solution for use in an RF network environment is described, where a network controller and portable terminals maintain an adaptive history of...
5818877 Method for reducing storage requirements for grouped data values  
A method generates a reduced number of values representing a sequence of grouped data values and partitions the reduced number of values by first mapping data values into groups of symbols and then...
5812072 Data conversion technique  
The present invention discloses a mathematical technique which finds substantial utility in electrical engineering, particularly in the general field of data transformation, which occurs in...
5805632 Bit rate doubler for serial data transmission or storage  
The invention doubles the bit rate for a given media bandwidth as compared to, for example, Manchester encoding. It is applicable to serial transmission or storage of digital data. An arbitrary NRZ...
5802522 Method and system of storing data blocks that have common data elements  
In a method and system for storing a plurality of data blocks in a memory device, blocks of data elements are stored in a two-dimensional address space such that blocks overlap in the address...
5798718 Sliding window data compression method and apparatus  
A method for compressing a data stream, where a first portion of the data stream is read into a window having a history buffer and look-ahead buffer. An index, based on a fourth portion of the data...
5790705 Compression techniques for substantially lossless digital image data storage  
A method for compressing digital image of more than a first predetermined number into the first predetermined number of bits in a substantially lossless manner includes determining a plurality of...
5786777 Data compression communication method between a main control unit and terminals  
The decimal numbers in ASCII code are converted into base n number codes, where the base n is greater than ten, and then are transmitted between the main control unit and the terminals including...
5761536 System and method for reducing memory fragmentation by assigning remainders to share memory blocks on a best fit basis  
A system and method for storing variable length objects such that memory fragmentation is reduced, while avoiding the need for memory reorganization. A remainder of a variable length object may be...
5745734 Method and system for programming a gate array using a compressed configuration bit stream  
A generalized data decompression engine is incorporated within a field programmable gate array ("FPGA"). The generalized data decompression engine uses a general purpose data decompression...
5739778 Digital data formatting/deformatting circuits  
Digital data formatting/deformatting circuits perform digital data formatting/deformatting operations separately from a digital signal processor to reduce the required time and power consumption in...
5724383 Method for generating and encoding signals for spread spectrum communication  
A method for communicating using a plurality of spread spectrum codes. A plurality of spreading codes are generated by use of one or more linear feedback shift registers configured with feedback...
5724572 Method and apparatus for processing null terminated character strings  
A method and apparatus for detecting the null byte at the end of a character string. The method and apparatus first logically concatenates two 32-bit input values into a single 64 bit value. Next,...
5703907 Method for data compression  
Methods for compressing data including methods for compressing highly randomized data are disclosed. Nibble encode, distribution encode, and direct bit encode methods are disclosed for compressing...
5689639 Method and apparatus for updating and transmitting line-oriented data sets  
A method for the transmission of line-oriented data sets. This method employs two data set structures which keep the images of the data sets at different time stages and which are filled...
5675139 Interface arrangement for use with consumer devices  
A data processing system includes a head for electro-optically reading coded indicia to generate digital decoded data in a predetermined data exchange format. An interface arrangement is used for...
5652878 Method and apparatus for compressing data  
A data compression apparatus including a circuit for receiving a data element, a storage circuit for sequentially storing previously received data elements at sequentially addressed fixed...
5644569 Transmission of messages  
A coding scheme for transmitting messages particularly between computers is described. Messages are transmitted in packets which include at least a data portion and a terminator. Out of a...
5623262 Multi-word variable length encoding and decoding  
Decoding and encoding of variable length data words and data strings is accelerated by testing for and processing more than one word or string per encoding or decoding cycle. In an encoding scheme...
5617552 Lossless data compression system and method  
A lossless data compression system and method compresses a set of M data words stored in a computer memory. A first table stores data representing last occurrence positions among those of the M...
5602764 Comparing prioritizing memory for string searching in a data compression system  
A method and apparatus that allows very fast string searches, wherein a new type of data structure called a Comparing and Prioritizing (CAP) Memory is utilized. The CAP memory allows data stored...
5577069 Signalling method and structure suitable for out-of-band information transfer in communication network  
A high-speed out-of-band signalling technique for transferring information such as station status information between stations in a communication network, typically a local-area network, involves...
5537551 Data compression method for use in a computerized informational and transactional network  
A method for compressing and subsequently decompressing digital data communicated in an interactive computer network, the network designed to provide informational and transactional services to a...
5530645 Composite dictionary compression system  
A composite dictionary data compression process for use with a computer system comprising the steps of: receiving into the computer system an uncompressed input data string; searching a composite...
5515048 Sensor voltage reading circuit  
A sensor voltage reading circuit for reading an analog sensor value is provided which can remove electromagnetic wave noise inputted to an input terminal of an A/D conversion circuit. The sensor...
5488717 MTree data structure for storage, indexing and retrieval of information  
Data storage space and data access time are significantly decreased by utilizing a tree structure to store data in memory. Only one copy of each data element common to different data units is...
5473328 Method and apparatus for transmitting digital data  
A transmission method for transmitting data containing inhibition code data that cannot be recorded in a digital recording and/or reproducing apparatus. The method includes a step of converting the...
5473327 Method and apparatus for data encoding with reserved values  
In a string of characters on a storage medium in which a normally reserved character can appear in an inappropriate position, the field of characters is examined for a character which is not used...
5450562 Cache-based data compression/decompression  
A system for compressing bilevel data includes a first cache memory having a plurality of assigned levels of usage, a first usage level assigned to a most recently used data segments and a second...
5426779 Method and apparatus for locating longest prior target string matching current string in buffer  
An apparatus and method are disclosed for finding a target string in a history buffer, where the found target string matches a given current string to a maximum practical length. A presorted array...
5392036 Efficient optimal data recopression method and apparatus  
A method for convening an input data character stream into an encoded data stream in a dictionary-based data compression system, which includes determining possible parsing options of the input...
5389924 Multiple character code set input/output conversion system  
In a computer system provided with a plurality of computers handling different types of character code sets, a multiple character code set input/output conversion system according to the present...
5355132 Method for transmitting digital data  
In a method for recording and/or reproducing digital data, such as digital audio signals recorded simultaneously with video signals, dividing sampling data composed of a plurality of bits into...
5347276 Serial binary pattern generator  
The disclosed invention is a digitally configurable sequential logic circuit which produces serial binary data patterns. The circuit is configured by specifying two non-negative integers A and B....
5319779 System for searching information using combinatorial signature derived from bits sets of a base signature  
This invention encodes information (such as the field values of a database record, or the words of a text document) so that the original information may be efficiently searched by a computer. An...
5315300 AES/EBU C block generator  
The invention relates to a C block generator for generating the C bits for a plurality of devices using the AES/EBU format. The C block generator preferably comprises an eight switch dip switch for...
5313203 Coding apparatus and method for coding information symbol strings by assigning fixed length codes thereto  
A coding apparatus for coding symbolized information signals includes a coding unit for assigning fixed-length code words to a plurality of information symbol strings consisting of at least one...
5298895 Data compression method and apparatus utilizing an adaptive dictionary  
The present invention provides a method and apparatus for compressing user data and for storing the user data on magnetic tape. The user data is accepted and organized into a plurality of records....
5281967 Data compression/decompression method and apparatus  
A method and apparatus for compressing digital data uses data which has been previously compressed as a dictionary of substrings which may be replaced in an input data stream. The method and...
5270713 Decode circuit capable of decreasing the amount of hardware required by selectively using one of a plurality of clock signals  
In a decode circuit comprising a decoding section for decoding an input signal in response to a controlled clock signal into an intermediate signal having a variable pattern, the decode circuit...
5257287 Automatic polarity detection and correction method and apparatus employing linkpulses  
A differential receiver incorporated into a MAU which receives both Manchester packets and linkpulses according to the IEEE 802.3 10Base-T standard has polarity detection and correction circuit for...
5229768 Adaptive data compression system  
A system for data compression and decompression is disclosed. A series of fixed length overlapping segments, called hash strings, are formed from an input data sequence. A retrieved character is...
5210535 O S I data communication for dealing with abstract syntaxes which are and are not preliminarily negotiated  
Being operable as a presentation layer defined by the International Standard ISO 7498, each data communication system comprises (A) a syntax transforming unit and (B) an abstract syntax storing...
5155484 Fast data compressor with direct lookup table indexing into history buffer  
A cooperating data compressor, compressed data format, and data decompressor. The compressor compresses an input data block (HB) to a compressed data block having the format. The decompressor...
Matches 101 - 150 out of 188 < 1 2 3 4 >