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Patent Searching and Data


Matches 251 - 300 out of 5,333

Document Document Title
WO/2002/095748A2
The present invention relates to a record carrier for storing a digital work (DW). The record carrier (10) comprises access information (KLT) for gaining access to the digital work and a secondary channel (HC) in which secondary channel ...  
WO/2002/091586A2
During decoding and encoding, the starting disparity of a current block is computed by using a disparity at some previous reference point and disparity characteristics of bytes from the reference point to a current block boundary. The ch...  
WO/2002/080373A1
The invention relates to methods and devices for converting a stream of data bits of a binary information signal (2) into a stream of data bits of a constrained binary channel signal (3) using multiple channel codes C¿st?, C¿pc?. Apart...  
WO/2002/063774A1
This invention relates to a digital modulation method and apparatus used for recording an audio or video signal, computer data, and etc on a recording medium such as an optical or magneto-optical disc. Data words of m bits are translated...  
WO/2002/050821A1
A recording method for an optical disc which records data for identifying an optical disc on the optical disc wherein the identifying data is recorded by irradiating an optical disc having a substrate made of a synthetic resin with an un...  
WO/2002/047340A1
A method of, and apparatus for, encoding a serial stream of digital data blocks (characters) comprises partitioning the stream into the data blocks; translating the blocks into corresponding encoded equivalents; and assembling the encode...  
WO2001086898A3
A method and system for decoding 8B/10B data is provided. In one embodiment, the method includes the steps of determining the presence of one of a plurality of predetermined data sequences within a first portion of a data word, translati...  
WO/2002/043251A1
The invention concerns a data transmission device comprising a turbo coder (22) comprising an interleaver operating on two interleaving blocks and means (26) for producing symbols from said codes (D, Y1, Y2) supplied by the turbo coder T...  
WO/2002/043319A2
A serial comminications architecture for communicating between hosts and data store devices. The Storage Link architecture is specially adapted to support communications between multiple hosts and storage devices via a switching network ...  
WO/2002/041500A1
In the coding device and method, m-bit information words are converted into n-bit code words such that the coding rate m/n is greater than 2/3. The n-bit code words are divided into a first type and a second type, and into coding states ...  
WO/2002/039447A1
A record carrier, and method for manufacturing such record carrier, which can be copied with the aid of a copying apparatus, whilst the copied record carrier is unreadable. During copying with the aid of the copying apparatus, merge bits...  
WO2002015183A3
The invention relates to a method for generating a primary binary signal having a predetermined spectral shape in a predetermined frequency range, in particular having a notch in the power spectrum in a predetermined frequency range. In ...  
WO/2002/039589A1
The invention concerns a device for receiving digital signals in accordance with two different standards passing through the same medium (2, 3, 4) comprising: means for converting (1) logical levels, receiving the digital signals and con...  
WO/2002/037785A1
A data transmission method for suppressing communication errors by a simple microcomputer processing. A pulse signal having an H level and an L level is used. The pulse duration of one of the levels is a first basic signal length T¿1? a...  
WO/2002/029810A1
An address decoder for decoding a wobble signal to reproduce an address signal comprising a PLL circuit (103) for generating a PLL clock signal PCLK synchronous with an external clock signal CLK, a frequency divider (104) for dividing th...  
WO2001063769A3
A data coding system for coding data represented by a number of symbols is described. The system includes representing each symbol with a unique digital waveform (4, 5). All the unique digital waveforms (4, 5) have a duty cycle greater t...  
WO/2002/029811A1
A record medium where data having a high error correctability is recorded at high effective recording density, its recorder, and its reproducing apparatus are disclosed. The recorder comprises an encoding unit that creates coded data by ...  
WO/2002/027722A1
Method and apparatus for recording data on a magnetic recording medium and writing data to a computer bus in which the data is divided into words of a predetermined length, a signal is generated for each data word, having an amplitude wh...  
WO/2002/023736A1
A circuit (12) for recovering a current sense signal which is offset by a common mode displacement, such is the case when the signal is the voltage across a current sense resistor located on the high side bus or between the switches of a...  
WO2001077782A3
A method includes a data encoding scheme that has a run length limit of (1,6) and a 25% duty cycle. With error correction, said method achieves an effective run length limit of (2,9). The method can be used in conjunction with a packetiz...  
WO/2002/017320A1
The invention relates to a method of storing a number of data bits of a secondary channel (30) in the frame of a main channel (20) and to a method of decoding a stream of bits relating to a secondary channel (30) embedded in the frames o...  
WO/2002/015185A1
The invention relates to a method and device for adding or extracting a secondary information signal to/from a runlength-limited code sequence. A polarity of a runlength at a first predetermined position of the runlength-limited code seq...  
WO/2002/015183A2
The invention relates to a method for generating a primary binary signal having a predetermined spectral shape in a predetermined frequency range, in particular having a notch in the power spectrum in a predetermined frequency range. In ...  
WO/2001/099288A1
The present invention relates to method and apparatus of converting a series of data words into modulated signals. This method divides a data word, which a sync signal is to be added in front or rear of when it is written in a recording ...  
WO/2001/099097A1
Encoding (2) a signal (A) is provided, wherein frequency and amplitude information of at least one sinusoidal component in the signal (A) is determined (20), and sinusoidal parameters (f,a) representing the frequency and amplitude inform...  
WO/2001/099287A1
The present invention relates to method and apparatus for converting a series of data words into modulated signals. This method generates for each data word a number of intermediate sequences by combining mutually different digital words...  
WO/2001/095495A1
In a device for encoding a stream of databits of a binary source signal into a stream of databits of a binary channel signal the bitstream of the source signal is divided into n-bit source words. The device comprises converting means ada...  
WO/2001/091305A1
A semiconductor integrated circuit for use in encoding and decoding in which circuit scale and power consumption are reduced and cost is reduced by reducing the chip area. The semiconductor integrated circuit for detecting the relation a...  
WO/2001/086898A2
A method and system for decoding 8B/10B data is provided. In one embodiment, the method includes the steps of determining the presence of one of a plurality of predetermined data sequences within a first portion of a data word, translati...  
WO/2001/086817A1
The invention relates to a method of converting a stream of databits of a binary information signal into a stream of databits of a constrained binary channel signal, this signal being constructed by repetitively or alternate using a chan...  
WO/2001/082540A1
A device is disclosed for encoding a stream of data bits of a binary source signal (S) into a stream of data bits of a binary channel signal (C1), wherein the bit stream of the source signal is divided into n-bit source words (x1, x2), w...  
WO/2001/080433A1
At a transmission node, at least part of control information is divided into M (M: a natural number) control information blocks of an N-bit length (N: a natural number of 1 to 7), and each control information block i (i = 1 to M) is give...  
WO/2001/077782A2
A method includes a data encoding scheme that has a run length limit of (1,6) and a 25% duty cycle. With error correction, said method achieves an effective run length limit of (2,9). The method can be used in conjunction with a packetiz...  
WO/2001/075880A1
The invention relates to a method for encoding a stream of bits of a signal relating to a binary source into a stream of bits of a signal relating to a binary channel, the binary source comprising a main source and a secondary source, th...  
WO/2001/071923A1
The present invention relates to coding information, and more particularly, to a method and apparatus for coding information having improved information density. The present invention further relates to producing a modulated signal from ...  
WO1997013348A3
The transmission of digital video data is accomplished using a block coding scheme, which embeds timing and control signals into the data stream. The code is DC balanced, achieved by selectively inverting some data blocks, as a function ...  
WO/2001/063769A2
A data coding system for coding data represented by a number of symbols is described. The system includes representing each symbol with a unique digital waveform (4, 5). All the unique digital waveforms (4, 5) have a duty cycle greater t...  
WO/2001/052213A1
An apparatus is described for reducing coherent signal interference between at least two bit streams framed with a common clock signal. The apparatus includes an internal clock signal generated from the common clock signal and a Manchest...  
WO/2001/037279A1
The invention relates to a device for reproducing a digital information signal from a channel signal. The digital information signal is runlength limited with one or more constraints. The device comprises receiving means for receiving th...  
WO/2001/003304A1
A data storage channel encoder (150) includes a data word input (152), a code word output (153) and an encoder. The encoder (150) is coupled between the data word input (152) and the code word output (153) and is adapted to encode succes...  
WO/2000/070768A1
An apparatus for decoding a serial datastream of channel words into a datastream of information words is provided. The apparatus comprises an input terminal (10) for receiving the serial data stream of channel words, a serial-parallel co...  
WO/2000/055974A1
A device is disclosed for encoding a stream of databits of a binary source signal (S) into a stream of databits of a binary channel signal (C), wherein the bitstream of the source signal is divided into n-bit source words, which device c...  
WO/2000/038328A1
A device is disclosed for encoding a stream of databits of a binary source signal (S) into a stream of databits of a binary channel signal (C), wherein the stream of databits of the source signal is divided into n-bit source words (X¿1?...  
WO/2000/038329A1
A device is disclosed for encoding a stream of databits of a binary source signal (S) into a stream of databits of a binary channel signal (C), wherein the stream of databits of the source signal is divided into n-bit source words (x¿1?...  
WO/2000/036754A1
A frequency-domain audio coder selects among different entropy coding modes according to characteristics of an input stream. In particular, the input stream is partitioned into frequency ranges according to some statistical criteria deri...  
WO2000011822A8
A SYNC bit inserting section (14) adds a synchronizing signal having a pattern breaking a maximum run to a code string after a minimum run, thereby giving a more reliable synchronizing signal pattern.  
WO/2000/025490A1
The invention relates to a method for processing a received signal transmitting coded data, wherein coding of individual data is carried out with a given coding pulse and the signal has edges produced in accordance with the coding pulse....  
WO/2000/021198A1
An apparatus is disclosed for generating a runlength limited (RLL) digital information signal, the digital information signal having a minimum runlength of d' and a maximum runlength of k', d' and k' being integers larger than zero and w...  
WO/2000/019435A1
The decoder element (DE) is used to produce an output signal with three different potentials (-2 v, 0 v, 4 v) at an output (WLi). The second potential (0 v) is located between the first (-2 v) and the third (4 v) potential. The decoder e...  
WO/2000/019436A1
The decoder element (DE) is provided with an output (WLi), whereby an output signal with three different potentials (-2 volts, 0 volts, 4 volts) is produced. The output signal is produced according to input signals at the terminal connec...  

Matches 251 - 300 out of 5,333