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Browse by Category: Main > Information Technology
Class Information
Number: 369/53.32
Name: Dynamic information storage or retrieval > Condition indicating, monitoring, or testing > Including radiation storage or retrieval > Of storage or retrieval information signal > Dropout indicating
Description: Subject matter including means for indicating a presence of a missing signal component of the storage or retrieval information signal.










Patents under this class:
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Patent Number Title Of Patent Date Issued
8462601 Method and apparatus for optimizing optical recording Jun. 11, 2013
8130618 Disk apparatus to which iterative decoding is applied and method for operating log likelihood ratios in the same Mar. 6, 2012
8130613 Optical disc apparatus and reproduction control method Mar. 6, 2012
7801410 Video transfer system Sep. 21, 2010
7768884 Dropout detection device, disk reproduction apparatus, and dropout detection method Aug. 3, 2010
7760607 Method and apparatus for performing blank detection on an optical storage disc Jul. 20, 2010
7702973 Modified defect scan over sync mark/preamble field Apr. 20, 2010
7653847 Methods and structure for field flawscan in a dynamically mapped mass storage device Jan. 26, 2010
7567488 Dropout detection circuit and optical disc apparatus Jul. 28, 2009
7545711 Detecting sync patterns for optical media Jun. 9, 2009
7466640 Method and apparatus for extracting digital data from a medium Dec. 16, 2008
7460446 Method and system for generating a feedback signal in optical disc drives Dec. 2, 2008
7406250 Information recording method and information reproducing method Jul. 29, 2008
7339867 Defect-signal generating circuit and optical disk reproducing device having the same Mar. 4, 2008
7257058 Offset adjusting circuit for optical disc and offset adjusting method Aug. 14, 2007
7215631 Signal processing device and signal processing method May. 8, 2007
7196995 Method of authenticating disk management information and disk device Mar. 27, 2007
7187638 Apparatus and method for detecting defects of a recording and reproducing system Mar. 6, 2007
7161887 Method and apparatus for extracting digital data from a medium Jan. 9, 2007
7061840 Defect detection apparatus and defect detection method Jun. 13, 2006
7039835 Drop-out management system and method May. 2, 2006
7023782 Dropout detection circuit and optical disc apparatus Apr. 4, 2006
6975573 Information recording scheme for preventing recording failure resulting from impact of vibration Dec. 13, 2005
6965551 Recording disk and recording apparatus having a copy prevention feature Nov. 15, 2005
6922381 Optical disk apparatus Jul. 26, 2005
6798725 Wave-shaping apparatus and reproduction signal processing apparatus including the same Sep. 28, 2004
6714500 Optical disc drive and signal processing method Mar. 30, 2004
6714432 Memory control device Mar. 30, 2004
6577569 Optical disk reroducing device Jun. 10, 2003
6546519 Optical disc recording/reproducing method, optical disc and optical disc device Apr. 8, 2003
6473375 Method for recording data on a recording medium and for deleting a silent portion of the recorded data Oct. 29, 2002
6473369 Methods and apparatus for regenerating track crossing signals for searches across unrecorded areas on read/write optical discs Oct. 29, 2002
6349400 Optical disc recording/reproducing method, optical disc and optical disc device Feb. 19, 2002
6259660 Optical disk apparatus having error correction circuit Jul. 10, 2001
6222806 Information storing disk, reproduction apparatus, and reproduction method Apr. 24, 2001
6172953 Defect detector and information reproduction apparatus employing the same Jan. 9, 2001
6172954 Asymmetry compensation apparatus and reproduction apparatus for recordable disc Jan. 9, 2001
6026067 Method and apparatus for reproducing audio signals at various speeds by dividing original audio signals into a sequence of frames based on zero-cross points Feb. 15, 2000
5995463 Recording/reproducing apparatus Nov. 30, 1999
5963518 Apparatus for reproducing digital signal Oct. 5, 1999
5886967 Apparatus for recording data on a recording medium and for deleting a silent portion of the recorded data Mar. 23, 1999
5870365 Start ID recording system for use in a digital audio information recording apparatus Feb. 9, 1999
5748590 Apparatus for inspecting disc recording medium May. 5, 1998
5748588 Memory controller and recording apparatus which adds dummy data to complete a sector of data when writing to memory May. 5, 1998
5719837 Apparatus for recording data on a recording medium and for deleting a silent portion of the recorded data Feb. 17, 1998
5604646 Data error correcting method and signal processing unit for disk accessing apparatus Feb. 18, 1997
5598396 Optical disk reproducing apparatus Jan. 28, 1997
5563854 Optical information accessing system capable of generating one sector initiation signal for each sector Oct. 8, 1996
5550799 Device for and method of calibrating optimum recording power for recordable optical disc recording apparatus Aug. 27, 1996
5546369 Optical disk system for recording and reproducing a mini disk and standard compact discs Aug. 13, 1996

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