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WO/2004/047272A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047261A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047265A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047267A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047276A1 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047260A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047271A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047270A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047266A2 |
A digital signal to pulse converter comprising a content addressable memory having at least a write port and a read port, wherein the write port is used to write a first set of data into the content addressable memory as stored data, and...
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WO/2004/047268A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047264A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/047263A2 |
A control system and method for simultaneously regulating the operation of a plurality of different types of switching power converters. The system utilizes in regulating the power converters sampled data and nonlinear feedback control l...
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WO/2004/045089A2 |
A pulse modulation system increases the available bandwidth in an ultra-wideband or impulse radio communications. The system employs a set of different pulse transmission or emission rates (115) to represent different groups (110) of bin...
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WO/2004/039089A2 |
There is provided a method for encoding a random bit stream in two-dimensions for storage on a storage medium. The random bit stream is encoded (3310) using Variable Aperture Coding (VAC) so as to generate a constant amplitude, varying p...
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WO/2004/032334A1 |
The present invention relates to a bit detection method for detecting the bit values of bits of a channel data stream stored on a record carrier, wherein the channel data stream resides on an N-dimensional lattice of bits and comprises a...
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WO/2004/029955A1 |
An apparatus has a conversion circuit, a precoder circuit, and a selection circuit. The conversion circuit converts user data b1, b2, b3 . . . bk to a coded sequence c0, c1, c2 . . . cq. The selection circuit selects c0 in the coded sequ...
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WO/2004/029962A1 |
A system and method to modulate coding based on an ECC interleave structure include a first encoder encoding an input stream of bits comprising input blocks sorted into interleaves. A second encoder encodes a subset of the input blocks t...
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WO2002043319A9 |
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 ...
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WO/2004/025838A1 |
The present invention relates to a method for coding information in an electronic circuit and an electronic circuit for coding information, said circuit comprising at least two electrically coupled signal paths (X0, X1). The invention is...
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WO/2004/025647A1 |
A data recording, reproducing, detecting and/or evaluating apparatus includes a modulator which modulates input information data by a predetermined modulation method, according to a first clock signal having a basic clock period (T) for ...
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WO/2004/023662A1 |
A method of encoding digital information in a system is provided (fig.2). The method includes receiving (202) a sequence of user bits and calculating an RDS of the system. Also, a codeword is generated (216) based on the sequence of user...
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WO/2004/021576A1 |
Methods and apparatus for transforming data into a format which may be efficiently stored in a non-volatile memory are disclosed. According to one aspect of the present invention, a method for storing information of a first data format i...
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WO/2004/012185A2 |
An information storage medium (a disc) includes an area and a user data area. The area includes a recordable zone having a drive & disc zone in which information on a drive and information on a state of the disc are recorded. The drive &...
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WO/2004/003909A1 |
Methods and apparatus are provided for overwriting data in a probe-based data storage device (1) wherein data is represented by the presence and absence of pits formed in a storage surface (4) by a probe of the device. Input data is firs...
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WO/2004/001747A2 |
A coder is fed with precoded data such that the absolute value of the RDS of the code words as produced by the coder is limited. This is achieved by ensuring that in a group of 2 code words the RDS of the first code word is compensated b...
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WO/2004/002040A2 |
A bi-phase decoder (296-1) suitable for use in a broadcast router (100) and an associated method for extracting subframes of digital audio data from a stream of digital audio data. Logical circuitry (298) within the bi-phase decoder (296...
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WO/2003/107538A1 |
The invention relates to a decoding logic for generating a n-bit binary output signal (4) on the basis of an intermediate n-bit Gray signal (6), comprising a first series connection of respective logic units of a first kind (8) for gener...
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WO/2003/098625A1 |
A recording medium comprising a first area in which data error-corrected and encoded by a first error correction code is recorded, and a second area in which data error-corrected and encoded by the first error correction code and data de...
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WO/2003/096343A1 |
A recording method, for use when m-bit data is converted to run-length-restricted n-bit (n>m) data for recording the converted data on a recording medium, wherein, when at least the preceding data is data including a special data pattern...
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WO/2003/096344A1 |
A recording method, for use when m-bit data is converted to run-length-restricted n-bit (n>m) data for recording the converted data on a recording medium, wherein first data is selected so that the accumulation value of the DC component ...
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WO/2003/094166A1 |
A CD which substantially cannot be copied. A recording method for recording main data by encoding a part of the main data by a first encoding method and the other part of the main data by a second encoding method. The data encoded by the...
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WO/2003/094165A1 |
A recording method includes a step of converting m-bit data into a n-bit (m < n) data symbol and a step of adding a connection bit reducing the accumulation value of the DC component per unit time selected from a plurality of connection ...
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WO/2003/088501A2 |
The invention relates to a signal comprising a runlength limited (RLL) encoded binary d,k channel bitstream 3, wherein parameter d defines a minimum number and parameter k defines a maximum number of zeroes between any two ones of said b...
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WO/2003/088499A1 |
A method is disclosed for coding data communication between an interrogator and electronically coded tags. In the method the data is encoded by an active time period of sub-carrier modulation and an inactive time period of no modulation....
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WO/2003/085667A1 |
When recording data on a record carrier control of the DC content of the data as recorded is important in order to allow accurate reproduction of the data. The Digital Sum Value represents the DC content, The Digital Sum Value can be con...
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WO/2003/079557A1 |
A method of encoding data includes representing the data as number(s) in a first base. The method further includes converting the number(s) into a number(s) in a second base. The resultant number in the second base can be viewed as data ...
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WO/2003/067765A1 |
A method and apparatus for variable length coding is described. A method comprises receiving a set of data having a set of significant values, identifying a set of positions of the set of significant values within the set of data without...
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WO/2003/063358A2 |
A method of converting m-bit information words to a runlength constrained modulated signal is described. The available code words are distributed over at least one group (G1) of a first type and at least one group (G2) of a second type. ...
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WO/2003/063163A1 |
A modulation apparatus and method, and a DSV control bit generation method capable of deciding a DSV control bit value to be inserted into a data string accurately. A 1-7PP data conversion unit (52) supplies a modulation break detection ...
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WO/2003/061136A1 |
A method and apparatus for a pulse width modulated (PWM) signal (30, 130) is provided. The input is a digital signal which is a modulated signal (24, 124). In the illustrated form, the modulated input signal is either a PDM signal or a P...
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WO/2003/060912A1 |
A modulation apparatus and a modulation method having a simple circuit structure for realizing a modulation apparatus and capable of being easily applied to another system. According to a conversion table, a pattern converter (32) conver...
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WO/2003/054877A2 |
The present invention relates to a method for coding a data stream (DS), in which the digital sum value (DSV) of the coded data stream (CS) should be close to zero and two alternative code words (CWa, CWb) can be used for the coding at l...
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WO/2003/050958A1 |
A modulating apparatus, a modulating method and a DSV control bit producing method that can suppress increase of circuit scale of the modulating apparatus. An input data string is supplied to a DSV control bit deciding part (31), which d...
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WO/2003/049101A2 |
In the present invention asymmetric run length constraints with different minimum run lengths for first and second patterns representing binary data are introduced, like dm=0 for the first pattenr, i.e. shortest sequence of first pattern...
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WO/2003/047110A1 |
The invention relates to a digital modulator circuit (1) that converts PCM signals (2) to PWM signals (7), the PCM signals (2) being fed at a data rate (3). The digital modulator circuit (1) comprises a digital interpolation filter (9) f...
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WO/2003/047111A2 |
Methods of encoding and decoding, as well as an encoding system and a digital communications system are provided for encoding data words into code words and decoding code words into data words. The data words are encoded according to a r...
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WO/2003/044964A1 |
An image coding apparatus (103) for coding a quantization coefficient of an image signal as data to be processed includes a run length coder (RLE2) for assigning a variable length code to the quantization coefficient by using a coding ta...
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WO/2003/045065A2 |
According to the present invention, an image coding apparatus provides a run-length encoding unit (RLE1) that subjects quantized coefficients which are obtained by quantizing frequency components of an image signal to a variable length c...
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WO/2003/039008A2 |
A decoding system iterative decoding techniques to decode signals encoded with lattice codes and/or multilevel coset codes.
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WO/2003/038822A1 |
A method for additionally recording data on a recording medium where data created by modulating M−bit data into N−bit (M
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