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Class Information
Number: 369/59.21
Name: Dynamic information storage or retrieval > Binary pulse train information signal > Including sampling or a/d converting
Description: Subject matter including a) means for obtaining an instantaneous value of a read signal or b) means for performing a conversion of a read signal from an analog form into a digital form.


Sub-classes under this class:

Class Number Class Name Patents
369/59.22 By interpolating or maximum likelihood detecting 212


Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
7616547 High-speed mixed analog/digital PRML data detection and clock recovery apparatus and method for data storage Nov. 10, 2009
7599271 Optical disk apparatus Oct. 6, 2009
7590041 Playback signal processing device Sep. 15, 2009
7567491 Slicer bias loop Jul. 28, 2009
7558171 Optical disc recording/playback apparatus Jul. 7, 2009
7548504 Input sampling circuit and method for processing disc read back signal Jun. 16, 2009
7545721 Optical recording medium and recording apparatus, the medium including a linking region between unit block regions Jun. 9, 2009
7518963 Phase difference detection circuit and optical disk device Apr. 14, 2009
7515517 Method and apparatus for data detection in blue laser optical disk drives Apr. 7, 2009
7512866 Information recording/reproducing apparatus, and information recording medium Mar. 31, 2009
7492690 Statistical circuit Feb. 17, 2009
7484163 Information recording/reproducing apparatus, and information recording medium Jan. 27, 2009
7484164 Information recording/reproducing apparatus, and information recording medium Jan. 27, 2009
7480221 Method for generating control parameters for optimum write power and apparatus therefor Jan. 20, 2009
7480849 Information recording/reproducing apparatus, and information recording medium Jan. 20, 2009
7477584 Recording and/or reproducing apparatus and method with a signal quality determining device and method Jan. 13, 2009
7471607 Mixed mode data slicer with auto calibration and method thereof Dec. 30, 2008
7446685 Read signal processing circuit, read signal processing method, and optical disc drive Nov. 4, 2008
7423949 Reproducing apparatus and method, and recording and reproducing apparatus Sep. 9, 2008
7408861 Recording or reproduction apparatus for optical recording media having means for increasing the resolution of a digital-to-analog converter in the servo regulating circuit Aug. 5, 2008
7385900 Reproducing apparatus Jun. 10, 2008
7372797 Data reproduction device May. 13, 2008
7355938 Timing recovery method and storage apparatus for suppressing control of sampling positions Apr. 8, 2008
7333568 Data slicer capable of calibrating current mismatch Feb. 19, 2008
7313069 Optical recording medium and recording apparatus, the medium including a linking region between unit block regions Dec. 25, 2007
7307936 Disk drive device and address detection method with binarized push-pull signal Dec. 11, 2007
7295502 Optical desk apparatus Nov. 13, 2007
7289409 Method for processing a wobble signal Oct. 30, 2007
7286458 Quality-testing apparatus and method Oct. 23, 2007
7280455 Optical information recording condition adjustment method, recording/reproducing method and apparatus Oct. 9, 2007
7272092 Adaptive level-cutting method of CD-ROM drive's radio frequency ripple signal Sep. 18, 2007
7269105 Digital audio recording medium and reproducing apparatus thereof Sep. 11, 2007
7263054 Sample-and-hold interface circuit of a pickup head Aug. 28, 2007
7248188 Encoder and decoder Jul. 24, 2007
7242652 Optical recording system with optimal recording laser beam power control, and method and device for generating a mark formation effectiveness signal in an optical recording system Jul. 10, 2007
7215623 Reproduction signal processing apparatus May. 8, 2007
7200092 Method and device for adjusting reference level Apr. 3, 2007
7193942 Phase difference correction apparatus and data reproduction apparatus including data header detection apparatus Mar. 20, 2007
7177244 Optical disc apparatus Feb. 13, 2007
7167328 Synchronizing an asynchronously detected servo signal to synchronous servo demodulation Jan. 23, 2007
7167432 Read and write sample and hold signal generation Jan. 23, 2007
7158463 High-density disk recording medium and apparatus and method of reproducing data recorded therein Jan. 2, 2007
7154830 RF ripple signal compensator used with defect detection and fingerprint detection with help of dual A/D converter Dec. 26, 2006
7123560 Apparatus for enabling PLL to lock on to a correct frequency and phase during the reproduction of a continuous-wave-corresponding signal and repetition of a specific pattern Oct. 17, 2006
7099256 Bi-phase mark reproduction apparatus and optical disk drive device with the same Aug. 29, 2006
7075875 Disk evaluation device Jul. 11, 2006
7065027 Method for recovering data and control chip utilizing the same Jun. 20, 2006
7012872 Image reading device for an optical device Mar. 14, 2006
7002889 Data reproduction method and apparatus Feb. 21, 2006
7002888 Optical recording apparatus and related method Feb. 21, 2006

1 2 3 4


 
 
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