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Matches 701 - 750 out of 5,333

Document Document Title
JP3798430B2  
JP2006516783A
The present invention relates to the method of carrying out the copy protection of an optical disc like CD*ROM. Instead of encoding data to CD*ROM so that good dc contents of balance may be secured, in copy protection, Digital data is en...  
JP3793535B2  
JP2006157221A
To provide a biphase signal decoding apparatus with simple configuration without the need for an analog circuit and a signal decoding method.The signal decoding apparatus for decoding a signal subjected to biphase coding to reproduce an ...  
JP3772264B2
To provide a coding method without loss by using the same address for the sub-sets of the same code word in different states. After receiving p-bit input blocks 310, an encoder converts the respective input blocks 310 to corresponding q-...  
JP3771859B2
To provide an optical information recording method and an optical information recording device, in which the setting method for recording power is improved in performing intensity modulation recording with a smaller number of pulses than...  
JP3769753B2
To perform encoding by using a code conversion table such that the parities of code sequences are up to the time point where the codes became identical are different. According to the codeword allocation in the code conversion table, the...  
JP2006087127A
To provide conversion means which is suitable for reducing the low-frequency content of a modulated signal.Information pattern comprises first and second parts alternating in the direction of the track; the first parts present a first pr...  
JP2006085167A
To provide a method of reducing required data to limit the requirements in terms of external memory and bandwidth.In a method and device for generating subfield codes for a picture displayed on a display device like a plasma display pane...  
JP2006086844A
To reduce an error rate of decoding results by correctly decoding Manchester encoding data without being affected by waveform distortion due to the deviation of duty with a simple circuit structure.A phase synchronous circuit 1 generates...  
JP3760963B2
To provide a simple circuit constitution and to eliminate the need for the design of a new device by converting a code string in which a minimum run after a variable length code is converted continues for more than the prescribed number ...  
JP3760961B2
To stably reproduce a clock by dividing a data line at every m bits so as to correspond to a code word, making a minimum run a specified value or above, converting the data line of m bits to a fixed length code of n bits and limiting the...  
JP3757918B2
To provide a simple encoding modulation method and demodulation method having an encoding rate equivalent to (1, 7) modulation and suitable for high density recording with less DC components. In the encoding modulation method and a modul...  
JP3754080B2  
JP2006506773A
The method for agreement-izing a random bit stream by two dimensions for the memory in a storage medium is offered. A random bit stream is the fixed amplitude which expresses a random bit stream by two or more separated pulses only using...  
JP2006506938A
The control system and method of adjusting simultaneously operation of the switching power converter by which two or more types differ. This system is used for adjustment of the data sampled by the power converter, and a non-linear-feedb...  
JP2006506937A
The control system and method of adjusting simultaneously operation of the switching power converter by which two or more types differ. This system is used for adjustment of the data sampled by the power converter, and a non-linear-feedb...  
JP3747839B2
To provide a code conversion system in which 64B/65B conversion and inverse conversion can be performed with a little hardware resources by omitting redundant arithmetic. When a data/control flag 61 is '1', in a control code converting p...  
JP3748496B2  
JP3749281B2
PURPOSE: To constitute a data receiver of exclusive hardware with a relatively small number of parts. CONSTITUTION: A metric calculator 7 calculates a metric for a decoder 4 for each sample of a base band signal. The metric is a binary w...  
JP3744837B2
To provide a code modulation method that is immune to channel distortion and to provide a detection method that can correct a detection error in the case of detecting data produced by the modulation method. The modulation method of this ...  
JP3744824B2  
JP3746232B2  
JP2006031757A
To provide a demodulator in which an error rate can be reduced in signal reproducing processing of an optical disk device.In this demodulator 1, a slice signal input to a slice signal input terminal IN is read, a data word is demodulated...  
JP2006024356A
To reduce the number of bit cells per an information word and to prevent reduction of the number of specific bit combination.This apparatus has a state generating means generating a code state at the time of outputting code words by a co...  
JP2006503323A
Coding of audio signal (x) expressed by each set which consists of a signal value sampled about each of two or more of a series of segments is indicated. The sampled signal value is analyzed (130) and generates one or more sine wave comp...  
JP2006501595A
[Subject] Offer the bit detection method which the "eye" of the conventional eye pattern may close of offering high storage density. [Solution means] The present invention is the bit detection method of detecting the bit value of the bit...  
JP3733115B2  
JP2006005651A
To provide a transmitting method capable of improving the efficiency of power supply from a reader to an RF tag to improve frequency use efficiency of wireless communication from the reader to the RF tag without increasing the bandwidth ...  
JP2005538489A
As for the present invention, an information preservation medium, data recording, reproduction, detection and/or evaluation equipment, and its method are indicated. The modulator which modulates the present invention with a predetermined...  
JP2005538632A
The present invention relates to the electronic circuit for coding the method and information for coding information in an electronic circuit. The above-mentioned circuit is equipped with at least two electrically connected signal routes...  
JP2005537551A
It is related with the method and equipment which change data into a format efficiently storable in nonvolatile memory. According to one mode of the present invention, to the method of storing in a memory system, the information on the 1...  
JP2005339792A
To provide a method for converting a series of m-bit information words to a modulated signal.For each information word from the series, delivered code words are converted to the modulated signal. The code words are distributed over at le...  
JP2005332567A
To provide a method for performing copy protection of an optical disk by applying a destructive data having a scarce DSV characteristic.For encoding by using multi-codal codes, it is necessary for an encoder to select a data symbol which...  
JP3722331B2
To conduct DSV control with low redundancy. A DSV bit decision insert section 11 inserts a DSV-bit to a received data string. A modulation section 12 has a conversion table. Each of the element of the table is an element which is uniquel...  
JP3719367B2
To obtain a decoding device, capable of making a circuit scale smaller by simplifying the circuit configuration and reducing power consumption. This decoding device, which divides a signal recorded with pulse width modulation into two da...  
JP2005535056A
The information preservation medium by which drive information and the information about the state of an information preservation medium were recorded, and its record method are indicated. The domain where this indicated information pres...  
JP3716421B2
To attain the stable reproduction of clocks. A constraint length decision part 12 stores a table which converts a variable length code having its basic length of (n) bits into the data having its basic length of (m) bits and decides the ...  
JP2005318593A
To reformat binary image data on two or more flat surfaces.There are various exemplary embodiments, however, this system includes a segmenter to segment binary image data of text on a first flat surface. A subtracter subtracts a binary i...  
JP2005303570A
To provide a transceiver capable of decoding a reception signal without using a PLL circuit, and therefore, being small and having low power consumption.The transceiver is provided with a transmitting means for outputting an AC signal ha...  
JP2005302154A
To provide a recording reproducing device which can be used for an RLL (Run Length Limited) code for high coding ratio for satisfying multiple conditions of constraint regarding zero run.A recording reproducing device 20 has an RLL encod...  
JP2005286773A
To solve a problem that a digital signal detection circuit at a receiver side is made complicated in the case that a transmission side apparatus connected to a network system outputs a biphase modulation digital signal.An interface appar...  
JP2005531097A
A method and apparatus for overwriting data in a probe-based data storage device wherein data is represented by the presence and absence of pits formed in a storage surface by a probe of the device is provided. Input data is first coded ...  
JP2005531214A
A suitable bi phase decoder to use for a broadcasting router (100), and the related method of extracting the subframe of digital audio data from a digital audio-data stream. The logic circuit inside a bi phase decoder the subframe of dig...  
JP2005530303A
Data which restricts the absolute value of RDS of the codeword generated by this coda to coda is supplied. This is attained by making for RDS of the 1st codeword to be compensated by RDS of the 2nd codeword in the group of two codewords ...  
JP3699380B2
To determine digital data stream coded by Run Length Limited (hereinafter RLL) swiftly and precisely so as to record data on a recording medium. The digital data modulating method includes the steps of: comparing a preset critical value ...  
JP3696812B2
To reduce power consumption by transmitting a huge amount data with a few number of signal lines in an input output interface that transmits/ receives a signal. The input output interface expresses logical values according to the sequenc...  
JP3695329B2
To provide a device and method for bus-encoding/decoding for a low power digital signal processor system using a narrow data bus. This device is provided with a conditional inverting means for inverting lower (n-1) bit data by bit units ...  
JP3687873B2
To provide a means to extract valid data from data of Manchester codes used for digital data transmission or the like. The data extract circuit is provided with a counter 3 that counts number of clock pulses by using input data of Manche...  
JP2005223669A
To enable the mean value formation method of a value conversion means output to be built at low cost, and with a high accuracy and a high degree of freedom.As opposed to the input of a plurality of values, a method including a value conv...  

Matches 701 - 750 out of 5,333