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Class Information
Number: 369/44.13
Name: Dynamic information storage or retrieval > With servo positioning of transducer assembly over track combined with information signal processing > Optical servo system > Dithering or wobbling the beam or track
Description: Subject matter wherein a beam or track is dithered wobbled, undulated, vibrated, or oscillated along a track center line for tracking or focusing control.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7619950 |
Recording medium and apparatus method for forming, recording and reproducing the recording medium |
Nov. 17, 2009 |
| 7616536 |
Apparatus for radial tracking in an optical disc drive using tracking an error signal derived from wobble-induced signal components and/or data-induced signal components of a detector output |
Nov. 10, 2009 |
| 7616721 |
Apparatus and method for checking network synchronization clock signal in communication system |
Nov. 10, 2009 |
| 7599270 |
Optical disc storage systems and methods utilizing frequency predictive wobble signal detection |
Oct. 6, 2009 |
| 7599274 |
Recording medium with intermittent or alternate wobbled pits and apparatus and methods for forming, recording, and reproducing the recording medium |
Oct. 6, 2009 |
| 7596076 |
Optical disc and physical address format |
Sep. 29, 2009 |
| 7593294 |
Optical pickup |
Sep. 22, 2009 |
| 7593313 |
Optical disc and physical address format |
Sep. 22, 2009 |
| 7593314 |
Optical disc and physical address format |
Sep. 22, 2009 |
| 7580342 |
Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor |
Aug. 25, 2009 |
| 7564773 |
Optical disk including address data recording region formed with paired wobbling sections of identical phase |
Jul. 21, 2009 |
| 7561496 |
Recording medium with copy protection information and apparatus/method for forming, recording, reproducing, and restricting reproduction of the recording medium |
Jul. 14, 2009 |
| 7539088 |
Optical disc recording and reproducing method adaptive to wobble pregroove |
May. 26, 2009 |
| 7529173 |
Optical disc device, circuit for optical disc device, wobble signal reproduction method, and land pre-pit signal reproduction method |
May. 5, 2009 |
| 7508596 |
Objective lens, optical pickup device, and optical disc apparatus |
Mar. 24, 2009 |
| 7492698 |
Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor |
Feb. 17, 2009 |
| 7489608 |
Wobble signal detection |
Feb. 10, 2009 |
| 7486602 |
Tilt control for reading information |
Feb. 3, 2009 |
| 7460445 |
Apparatus and method for manufacturing optical disks, apparatus and method for recording data on optical disks, apparatus and method for reproducing data from optical disks, and optical disk f |
Dec. 2, 2008 |
| 7457207 |
Recording medium having a substrate containing microscopic pattern of parallel groove and land sections and recording/reproducing equipment therefor |
Nov. 25, 2008 |
| 7447142 |
Information recording medium and information recording/reproducing apparatus |
Nov. 4, 2008 |
| 7447290 |
Apparatus of phase-frequency detector |
Nov. 4, 2008 |
| 7438547 |
Optical recording medium and master disc for manufacturing optical recording medium |
Oct. 21, 2008 |
| 7433277 |
Wobble demodulator and wobble demodulation method |
Oct. 7, 2008 |
| 7430160 |
Optical recording medium with different wobble characteristics between the user data area and the lead-out area |
Sep. 30, 2008 |
| 7428204 |
Method for recording address information on optical recording medium, optical recording medium including address information recorded thereon by the same method, and method for detecting addre |
Sep. 23, 2008 |
| 7423956 |
Optical disc having uniform structure |
Sep. 9, 2008 |
| 7420889 |
Optical disc tracking control device, tracking control method, and tracking control program |
Sep. 2, 2008 |
| 7414957 |
Optical disc having uniform structure |
Aug. 19, 2008 |
| 7414956 |
Optical disc |
Aug. 19, 2008 |
| 7411873 |
Recording medium having a substrate containing microscopic pattern of parallel groove and land sections and recording/reproducing equipment therefor |
Aug. 12, 2008 |
| 7411879 |
Optical disk device |
Aug. 12, 2008 |
| 7403452 |
Optical disc |
Jul. 22, 2008 |
| 7400558 |
Optical disc |
Jul. 15, 2008 |
| 7400559 |
Information recording medium having a wobbling groove structure |
Jul. 15, 2008 |
| 7400561 |
Single PLL demodulation of pre-formatted information embedded in optical recording medium |
Jul. 15, 2008 |
| 7394050 |
Method of vertical deviation disc detection |
Jul. 1, 2008 |
| 7391681 |
Information recording medium having a wobbling groove structure |
Jun. 24, 2008 |
| 7391679 |
Information recording medium having a wobbling groove structure |
Jun. 24, 2008 |
| 7391678 |
Information recording medium having a wobbling groove structure |
Jun. 24, 2008 |
| 7382716 |
Information recording carrier and information reproducing apparatus for the same |
Jun. 3, 2008 |
| 7379414 |
Optical disc |
May. 27, 2008 |
| 7376071 |
Optical disc having uniform structure |
May. 20, 2008 |
| 7369000 |
Adaptive frequency detector of phase locked loop |
May. 6, 2008 |
| 7366084 |
Optical recording medium with different wobble characteristics between the user data area and the lead-out area |
Apr. 29, 2008 |
| 7366083 |
Information recording medium having substrate with microscopic pattern and reproducing apparatus therefor |
Apr. 29, 2008 |
| 7358470 |
Optical pickup |
Apr. 15, 2008 |
| 7359304 |
Method for recording wobble signals on an optical disc and optical disc on which the wobble signals are recorded |
Apr. 15, 2008 |
| 7349305 |
Wobble signal reproducing device and method |
Mar. 25, 2008 |
| 7327647 |
Method and apparatus for generating the wobble clock signal |
Feb. 5, 2008 |
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