| |
 |
|
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 |
| 6411580 |
Storing data on a medium in an optical system |
Jun. 25, 2002 |
| 6407970 |
Enhanced adaptive and selective ISI cancellation for a read channel in storage technologies |
Jun. 18, 2002 |
| 6353585 |
Apparatus and method of forming evaluation signal used in adjusting focus bias and adjusting skew of disk drive |
Mar. 5, 2002 |
| 6339580 |
Apparatus and method of forming evaluation signal used in adjusting focus bias and adjusting skew of disk drive |
Jan. 15, 2002 |
| 6335912 |
Optical information recording apparatus, method for recording optical information, optical information recording medium, optical information processing apparatus, and method for accessing opti |
Jan. 1, 2002 |
| 6324145 |
Digital data reproducing apparatus and reproduction signal binarization level correcting method |
Nov. 27, 2001 |
| 6295259 |
Method and apparatus for digitizing a signal read from a data storage medium into a binary value |
Sep. 25, 2001 |
| 6288992 |
Optical reproducing device and optical memory medium |
Sep. 11, 2001 |
| 6285647 |
Method and device for writing an optical record carrier |
Sep. 4, 2001 |
| 6278675 |
Waveform equalizer for use in a recorded information reproducing apparatus |
Aug. 21, 2001 |
| 6246653 |
Data slice circuit and data slice method |
Jun. 12, 2001 |
| 6243344 |
Optical storage device having a sector mark detecting circuit |
Jun. 5, 2001 |
| 6208604 |
Apparatus and method for optical disk reproduction |
Mar. 27, 2001 |
| 6205103 |
Enhanced adaptive and selective ISI cancellation for a read channel in storage technologies |
Mar. 20, 2001 |
| 6181659 |
Optical information recording method for optical information recording apparatus |
Jan. 30, 2001 |
| 6175542 |
Demodulation circuit, a decode circuit and a digital PLL circuit for an optical disc apparatus |
Jan. 16, 2001 |
| 6169716 |
Data slicer for an apparatus and a method for reading from and/or writing to optical recording media |
Jan. 2, 2001 |
| RE36933 |
Disk reproduction apparatus capable of continuously varying a reproduction speed |
Oct. 31, 2000 |
| 6091688 |
Reproducing apparatus by generating slice level at header field of the optical disk |
Jul. 18, 2000 |
| 6091687 |
Method and apparatus for maximum likelihood detection |
Jul. 18, 2000 |
| 6034937 |
Optical disc reproduction method and optical disc reproduction apparatus |
Mar. 7, 2000 |
| 5986592 |
Encoder decoder device not using an A/D converter and method thereof |
Nov. 16, 1999 |
| 5974088 |
Digital data slicer |
Oct. 26, 1999 |
| 5920438 |
Programmable digital centerline tracking threshold apparatus and method |
Jul. 6, 1999 |
| 5878009 |
Disk drive including recording medium having disk operation information recorded thereon |
Mar. 2, 1999 |
| 5848040 |
Data reproducing apparatus and method |
Dec. 8, 1998 |
| 5831951 |
Method and apparatus for controlling a slice signal in the reproduction information recorded in an optical disk |
Nov. 3, 1998 |
| 5808979 |
Tracking error signal detector |
Sep. 15, 1998 |
| 5710750 |
Optical disc device |
Jan. 20, 1998 |
| 5706267 |
Method and apparatus for retrieving data from a storage device |
Jan. 6, 1998 |
| 5680383 |
Data-transition threshold following in optical recording |
Oct. 21, 1997 |
| 5661713 |
Optical information reproducing apparatus with a threshold level generator to eliminate DC level fluctuation |
Aug. 26, 1997 |
| 5659535 |
Method for retrieving data from a storage device |
Aug. 19, 1997 |
| 5631891 |
Disk reproducing circuit with automatic gain control |
May. 20, 1997 |
| 5629914 |
Data-transition threshold following in optical recording |
May. 13, 1997 |
| 5623479 |
Information recording medium having a protection film and a reading apparatus for reading out information from the information reading medium |
Apr. 22, 1997 |
| 5570335 |
Reproducing waveform correction circuit for optical information recording/reproducing system |
Oct. 29, 1996 |
| 5568465 |
Reading from record medium in either an inverted or non-inverted signal-processing mode |
Oct. 22, 1996 |
| 5559775 |
Clock detection device of information recording/reproducing apparatus and clock detection device of information recording apparatus |
Sep. 24, 1996 |
| 5548570 |
Optical reproducing circuit having, a binarized signal pulse compensation circuit |
Aug. 20, 1996 |
| 5508855 |
Tracking threshold circuit for peak detection |
Apr. 16, 1996 |
| 5502711 |
Dual digital phase locked loop clock channel for optical recording |
Mar. 26, 1996 |
| 5475672 |
Variable-length information recording with reference marks for time reference during information reading |
Dec. 12, 1995 |
| 5463606 |
Optical information reading and reproducing apparatus using pseudo DC-free codes |
Oct. 31, 1995 |
| 5448544 |
Data recording/playback apparatus and signal processing method |
Sep. 5, 1995 |
| 5444688 |
Information reproducing circuit |
Aug. 22, 1995 |
| 5408456 |
Data reproducing method and apparatus for determining the interval between pits on a recording medium from a modulated read-out signal |
Apr. 18, 1995 |
| 5400318 |
Edge detection of information pit pattern by establishing threshold voltage from a closely spaced pit pattern |
Mar. 21, 1995 |
| 5396479 |
Apparatus and method for setting a threshold level to maintain duty cycle in a pulse width modulated optical recording system |
Mar. 7, 1995 |
| 5392268 |
Optical recording/reproducing apparatus for reproducing information of multiple tracks capable of correcting uneven illumination of the multiple tracks |
Feb. 21, 1995 |
|
|
|
