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Class Information
Number: 369/53.16
Name: Dynamic information storage or retrieval > Condition indicating, monitoring, or testing > Including radiation storage or retrieval > Having abnormal condition indicating > Due to unwanted operational condition of record carrier > Defect > Including storage or retrieval of auxiliary signal
Description: Subject matter including means for recording or reproducing a secondary information from the record medium.










Sub-classes under this class:

Class Number Class Name Patents
369/53.17 Defect location indicating 493


Patents under this class:
1 2 3

Patent Number Title Of Patent Date Issued
7554887 Recording medium for storing defect management information for recording real time data, defect managing method therefor, and real time data recording method Jun. 30, 2009
7554888 Recording medium for storing defect management information for recording real time data, defect managing method therefor, and real time data recording method Jun. 30, 2009
7551528 Method and apparatus for tracking servo control of an optical disc playback apparatus Jun. 23, 2009
7545710 Method of overwriting data in write-once information storage medium and data recording and/or reproducing apparatus for write-once information storage medium Jun. 9, 2009
7532551 Method for managing defective area on write-once optical recording medium, and optical recording medium using the same May. 12, 2009
7499384 Recording medium for storing defect management information for recording real time data, defect managing method therefor, and real time data recording method Mar. 3, 2009
7483355 Write-once optical disc, and method and apparatus for recording/reproducing data on/from the optical disc Jan. 27, 2009
7460454 Method and apparatus for managing disc defect using temporary DFL and temporary DDS including drive & disc information disc with temporary DFL and temporary DDS Dec. 2, 2008
7457212 Defect management in disc reproducing/rewriting system Nov. 25, 2008
7457355 Method for an equalizer computation in a media system using a data set separator sequence Nov. 25, 2008
7423946 Disc with temporary disc definition structure (TDDS) and temporary defect list (TDFL), and method of and apparatus for managing defect in the same Sep. 9, 2008
7417928 Optically recorded data discrimination apparatus and associated methodology Aug. 26, 2008
7406010 Data recording/reproducing method with robust error handling capability and data recording/reproducing apparatus thereof Jul. 29, 2008
7400564 Disc with temporary disc definition structure (TDDS) and temporary defect list (TDFL), and method of and apparatus for managing defect in the same Jul. 15, 2008
7379402 Disc with temporary disc definition structure (TDDS) and temporary defect list (TDFL), and method of and apparatus for managing defect in the same May. 27, 2008
7366963 Data recording/reproduction device, data recording/reproduction method, and digital camera Apr. 29, 2008
7362679 Information storage medium and method of recording and/or reproducing with respect to the medium Apr. 22, 2008
7339870 Optical disk apparatus and data reproducing method Mar. 4, 2008
7302019 Maximum likelihood decoding method and maximum likelihood decoder Nov. 27, 2007
7283442 Method for choosing the defect detection mode of an optical storage device Oct. 16, 2007
7277371 Recording medium, recording device, reproduction device, recording method and reproduction method Oct. 2, 2007
7212481 Searching method and device for a recording medium having overlapped time address May. 1, 2007
7212474 Detecting anomalies in a scanning signal May. 1, 2007
7177249 Method and apparatus for real time recording/playback of data to/from an optical recording medium Feb. 13, 2007
7161883 Information recording method and optical disk apparatus Jan. 9, 2007
7092334 Method of detecting a defect area of a disk Aug. 15, 2006
7088656 Method for optically recording information and device for optically recording information by the same Aug. 8, 2006
7016280 Tracking and focus servo system with defect detection Mar. 21, 2006
7006415 Sampling clock generator for BCA data decoding Feb. 28, 2006
6975571 Method for optically recording information and device for optically recording information by the same Dec. 13, 2005
6937551 PRML detector having a viterbi decoder outputting temporary judgement results Aug. 30, 2005
6934233 Waveform equalizer for a reproduction signal obtained by reproducing marks and non-marks recorded on a recording medium Aug. 23, 2005
6903888 Detection of defects embedded in servo pattern on stamper by using scattered light Jun. 7, 2005
6891787 Apparatus for recording/reproducing signal on/from optical disk May. 10, 2005
6873584 Disk reproducing apparatus and disk reproducing method Mar. 29, 2005
6862256 Optical information storage medium and method of recording information thereon Mar. 1, 2005
6708300 Recording medium having spare area for defect management and information on defect management, and method of allocating spare area and method of managing defects Mar. 16, 2004
6678230 Waveform equalizer for a reproduction signal obtained by reproducing marks and non-marks recorded on a recording medium Jan. 13, 2004
6636463 Method and apparatus for compensating data in reproducing optical disk Oct. 21, 2003
6549499 Recording defect substitution method for a disc-shaped recording medium, and a recording and reproducing apparatus for a disc-shaped recording medium Apr. 15, 2003
6526522 Defect area management method of optical recording medium Feb. 25, 2003
6483789 Data recording and/or reproducing apparatus and method for detecting sector defects Nov. 19, 2002
6480446 Recording medium for storing defect management information for recording real time data, defect managing method therefor and real time data recording method Nov. 12, 2002
6418100 Method for formatting, and managing defective area of, optical recording medium Jul. 9, 2002
6377524 Recording medium for storing defect management information for recording real time data, defect managing method therefor, and real time data recording method Apr. 23, 2002
6367038 Recording medium having spare area for defect management and information on defect management, and method of allocating spare area and method of managing defects Apr. 2, 2002
6345023 Optical disc apparatus with different frequencies of wobble signal and clock signal for rotation control Feb. 5, 2002
6343055 Apparatus for and method of reproducing music together with information representing beat of music Jan. 29, 2002
6331968 System and method to compensate for data defects within a magneto-optical computer memory device Dec. 18, 2001
5835465 Magneto-optic disk drive controlling apparatus Nov. 10, 1998

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