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Class Information
Number: 369/59.17
Name: Dynamic information storage or retrieval > Binary pulse train information signal > Binary signal level detecting using a reference signal
Description: Subject matter including means for detecting an amplitude of the binary signal by comparison with a threshold.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| RE40822 |
Calibration method for slice level of zero cross signal and method of producing track-crossing signal |
Jul. 7, 2009 |
| 7541955 |
A/D conversion circuit and optical disk drive |
Jun. 2, 2009 |
| 7542394 |
Optical information recording device for detecting information during recording and method therefor |
Jun. 2, 2009 |
| 7522492 |
Circuit and method for detecting address in pre-groove (ADIP) signal in wobble detection system of optical disc apparatus |
Apr. 21, 2009 |
| 7515654 |
Data slicing circuit using multiple thresholds |
Apr. 7, 2009 |
| 7496010 |
Disk drive and pre-pit detection method |
Feb. 24, 2009 |
| 7492690 |
Statistical circuit |
Feb. 17, 2009 |
| 7471607 |
Mixed mode data slicer with auto calibration and method thereof |
Dec. 30, 2008 |
| 7460452 |
System and method for restoring an optical disc signal |
Dec. 2, 2008 |
| 7394740 |
Reproduction signal evaluation method |
Jul. 1, 2008 |
| 7369625 |
Apparatus and method for slicing RF signal and compensating for the slice level of RF signal in disk drive |
May. 6, 2008 |
| 7369476 |
Device for reading from or writing to optical recording media having a control unit for a data slicer |
May. 6, 2008 |
| 7366067 |
Recording clock signal generating apparatus and recording clock signal generating method for information recording device |
Apr. 29, 2008 |
| 7355948 |
Detector for detecting information carried by a signal having a sawtooth-like shape |
Apr. 8, 2008 |
| 7349297 |
Method and apparatus for acquiring an index mark |
Mar. 25, 2008 |
| 7333568 |
Data slicer capable of calibrating current mismatch |
Feb. 19, 2008 |
| 7289413 |
Data slicer and data slicing method for optical disc system |
Oct. 30, 2007 |
| 7266076 |
Automatic detecting device for land pre-pits signals |
Sep. 4, 2007 |
| 7236447 |
Optical disk, method of playing optical disk, and optical disk drive |
Jun. 26, 2007 |
| 7224659 |
Disk reproducing device with suppressed reproduction signal error |
May. 29, 2007 |
| 7212486 |
Optical disk device setting a gain of an amplifier so that a peak value and a bottom value of wobble signal components coincide |
May. 1, 2007 |
| 7212596 |
Data detection circuit and method |
May. 1, 2007 |
| 7209421 |
Optical disk apparatus for detecting wobble signal |
Apr. 24, 2007 |
| 7203149 |
PLL circuit and data read-out circuit |
Apr. 10, 2007 |
| 7200089 |
Disk reproducing device reproducing information recorded on recording medium by multiple recording devices |
Apr. 3, 2007 |
| 7177244 |
Optical disc apparatus |
Feb. 13, 2007 |
| 7164643 |
Data extraction for an optical disc drive |
Jan. 16, 2007 |
| 7142499 |
Method and apparatus for automatically tuning pre-pit slicing level |
Nov. 28, 2006 |
| 7136335 |
Information recording medium, recording apparatus, and reproduction apparatus |
Nov. 14, 2006 |
| 7120100 |
Method for preventing an optical recording device from erroneous defect detecting during writing |
Oct. 10, 2006 |
| 7106677 |
Reproduction signal evaluation method |
Sep. 12, 2006 |
| 7102978 |
Multi-format optical disk device and optical disk recording and/or reproducing method |
Sep. 5, 2006 |
| 7099241 |
Apparatus for scanning optical recording media |
Aug. 29, 2006 |
| 7099408 |
Apparatus and method for signal processing |
Aug. 29, 2006 |
| 7085429 |
Binarization device |
Aug. 1, 2006 |
| 7079475 |
Pre-pit information-detecting apparatus, optical-information detecting apparatus, program, and computer-readable information-recording medium |
Jul. 18, 2006 |
| 7065026 |
Data slicer capable of automatically removing current mismatch between current pumps incorporated therein and its operating method |
Jun. 20, 2006 |
| RE39067 |
Apparatus and method for optical disk reproduction |
Apr. 18, 2006 |
| 7012872 |
Image reading device for an optical device |
Mar. 14, 2006 |
| 6980500 |
ATIP bit data generator and method for generating ATIP bit data in optical discs |
Dec. 27, 2005 |
| 6975569 |
Optical disk apparatus capable of generating clock accurately |
Dec. 13, 2005 |
| 6956805 |
Signal processing circuit and method for extracting superimposed signal with accuracy |
Oct. 18, 2005 |
| 6934234 |
Calibration method for slice level of zero cross signal and method of producing track-crossing signal |
Aug. 23, 2005 |
| 6928041 |
Pre-pit detecting apparatus for optical recording medium |
Aug. 9, 2005 |
| 6891787 |
Apparatus for recording/reproducing signal on/from optical disk |
May. 10, 2005 |
| 6876616 |
Digital signal reproducing apparatus |
Apr. 5, 2005 |
| 6859423 |
Motor drive circuit for a disk drive apparatus |
Feb. 22, 2005 |
| 6847601 |
Data recovery apparatus and method |
Jan. 25, 2005 |
| 6845074 |
Information readout apparatus and information readout method |
Jan. 18, 2005 |
| 6813231 |
Combined electronics channels in optical disc drive for data detection during reading and for wobble detection during writing |
Nov. 2, 2004 |
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