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Class Information
Number: 369/124.1
Name: Dynamic information storage or retrieval > Specific detail of information handling portion of system > Radiation beam modification of or by storage medium > With details of electrical signal processing > Gain processing
Description: Subject matter including step or structure to vary the amplification of an information signal.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7423940 |
Signal processing method and signal processing apparatus |
Sep. 9, 2008 |
| 7414928 |
Method for determining sub-beam add signal (SBAD) value |
Aug. 19, 2008 |
| 7403466 |
Data slice generation method and apparatus for optical disk drive |
Jul. 22, 2008 |
| 7313060 |
Optical disk system with non-linearly controlled amplifier |
Dec. 25, 2007 |
| 7295499 |
Wobble signal reproducing circuit |
Nov. 13, 2007 |
| 7215631 |
Signal processing device and signal processing method |
May. 8, 2007 |
| 7212482 |
Apparatus and method to dynamically adjust the amplitude of a signal comprising information |
May. 1, 2007 |
| 7197001 |
Apparatus for detecting a pre-pit signal |
Mar. 27, 2007 |
| 7068584 |
Signal processor |
Jun. 27, 2006 |
| 7042827 |
Disk drive servo system for eccentricity compensation and method thereof |
May. 9, 2006 |
| 6958958 |
Disk drive device |
Oct. 25, 2005 |
| 6816445 |
Device and method |
Nov. 9, 2004 |
| 6785207 |
Wobble signal reproducing circuit |
Aug. 31, 2004 |
| 6707780 |
Prepit detecting apparatus |
Mar. 16, 2004 |
| 6678224 |
Tracking error balance adjustment circuit and a current control circuit used for an optical disk playback apparatus, and an optical disk playback apparatus including the same |
Jan. 13, 2004 |
| 6650614 |
Optical disk pickup using current mode signal exchanges and systems and methods using the same |
Nov. 18, 2003 |
| 6580669 |
Servo detection using a correlation data structure for concurrent processing of quad signals |
Jun. 17, 2003 |
| 6430126 |
Pick-up head controller for optical disk drives |
Aug. 6, 2002 |
| 6418110 |
Optical disk pickup system using current division signal transmission and methods and optical disk systems using the same |
Jul. 9, 2002 |
| 6259670 |
Magneto-optical preamplifier |
Jul. 10, 2001 |
| 6252834 |
Optical disc device and optical disc discriminating method |
Jun. 26, 2001 |
| 6236632 |
Disk driver |
May. 22, 2001 |
| 6157603 |
Disk reproduction apparatus capable of continuously varying a reproduction speed |
Dec. 5, 2000 |
| 6141313 |
Integrated circuit with two phase-locked loops and circuit for preventing locking owing to injection |
Oct. 31, 2000 |
| 6125094 |
Current amplifier |
Sep. 26, 2000 |
| 6111833 |
Data decoder |
Aug. 29, 2000 |
| 6108293 |
Gain control of a reproduced signal amplifier for precise monitoring of a reproduced signal during recording |
Aug. 22, 2000 |
| 6104692 |
Information recording method and apparatus |
Aug. 15, 2000 |
| 6101162 |
Method and apparatus for initializing rewritable recording media |
Aug. 8, 2000 |
| 6101163 |
Optical disc apparatus with reduced leakage of wobble signal to reproduction signal |
Aug. 8, 2000 |
| 5982718 |
Verifying data by controlling the gain of an amplifying means according to a window width comparator |
Nov. 9, 1999 |
| 5920438 |
Programmable digital centerline tracking threshold apparatus and method |
Jul. 6, 1999 |
| 5862108 |
Method and apparatus for recording and reproducing language learning information on/from a compact disk |
Jan. 19, 1999 |
| 5745469 |
Signal-processing preamplifier for an optical disc system |
Apr. 28, 1998 |
| 5719842 |
Method and apparatus for recording digital signals, medium for recording digital signals, and method and apparatus for transmitting digital signals |
Feb. 17, 1998 |
| 5657307 |
Optical data reading apparatus and method |
Aug. 12, 1997 |
| 5574714 |
Amplifier with peak and bottom signal level shifting control |
Nov. 12, 1996 |
| 5491683 |
Optical information recording/reproducing method |
Feb. 13, 1996 |
| 4982390 |
Real time signal recording apparatus for effecting variable signal transfer rate |
Jan. 1, 1991 |
| 4890274 |
Optical information recording and reproducing apparatus |
Dec. 26, 1989 |
| 4623994 |
Scanning servo system for optical-disc information reproducing apparatus |
Nov. 18, 1986 |
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