DE2967217D1 - Method and apparatus for rotating an information storage disc - Google Patents
Method and apparatus for rotating an information storage discInfo
- Publication number
- DE2967217D1 DE2967217D1 DE7979302594T DE2967217T DE2967217D1 DE 2967217 D1 DE2967217 D1 DE 2967217D1 DE 7979302594 T DE7979302594 T DE 7979302594T DE 2967217 T DE2967217 T DE 2967217T DE 2967217 D1 DE2967217 D1 DE 2967217D1
- Authority
- DE
- Germany
- Prior art keywords
- disc
- information
- transducer
- information storage
- rotating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B19/00—Driving, starting, stopping record carriers not specifically of filamentary or web form, or of supports therefor; Control thereof; Control of operating function ; Driving both disc and head
- G11B19/20—Driving; Starting; Stopping; Control thereof
- G11B19/24—Arrangements for providing constant relative speed between record carrier and head
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/961,405 US4228326A (en) | 1978-11-16 | 1978-11-16 | System for recording information on a rotatable storage disc, in a substantially uniform recording density |
Publications (1)
Publication Number | Publication Date |
---|---|
DE2967217D1 true DE2967217D1 (en) | 1984-10-18 |
Family
ID=25504432
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE7979302594T Expired DE2967217D1 (en) | 1978-11-16 | 1979-11-15 | Method and apparatus for rotating an information storage disc |
Country Status (11)
Country | Link |
---|---|
US (1) | US4228326A (de) |
EP (1) | EP0011495B2 (de) |
JP (1) | JPS6014421B2 (de) |
AT (1) | ATE9417T1 (de) |
AU (1) | AU532366B2 (de) |
BR (1) | BR7907413A (de) |
CA (1) | CA1143061A (de) |
DE (1) | DE2967217D1 (de) |
HK (1) | HK49586A (de) |
MY (1) | MY8700147A (de) |
SG (1) | SG14086G (de) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2046979B (en) * | 1979-04-17 | 1983-05-18 | Burroughs Corp | Recording and replay apparatus employing rotary media |
JPS5625264A (en) * | 1979-08-06 | 1981-03-11 | Victor Co Of Japan Ltd | Rotation contrl system for driving motor of recorder for equal line speed information recording medium disk |
JPS5787371U (de) * | 1980-11-17 | 1982-05-29 | ||
JPS57198586A (en) * | 1981-05-28 | 1982-12-06 | Sony Corp | Digital disc reproducing device |
JPS57198579A (en) * | 1981-05-29 | 1982-12-06 | Sony Corp | Disc reproducing device |
JPS57208639A (en) * | 1981-06-18 | 1982-12-21 | Toshiba Corp | Recording method of disk |
JPS5812149A (ja) * | 1981-07-15 | 1983-01-24 | Nippon Columbia Co Ltd | ビデオ・デイスク及びその記録装置 |
JPS5819767A (ja) * | 1981-07-29 | 1983-02-04 | Nec Home Electronics Ltd | 回転記録媒体の等線速度制御装置 |
JPS58101358U (ja) * | 1981-12-29 | 1983-07-09 | 日本圧電気株式会社 | 光学式情報読取装置 |
JPS58175109A (ja) * | 1982-04-07 | 1983-10-14 | Pioneer Video Kk | 円盤状記録媒体の記録方式 |
JPS59127271A (ja) * | 1983-01-07 | 1984-07-23 | Canon Inc | トランスデユ−サの送り装置 |
JPS6070563A (ja) * | 1983-09-27 | 1985-04-22 | Toshiba Corp | 高密度螺旋描画装置 |
JPS61129778A (ja) * | 1984-11-28 | 1986-06-17 | Pioneer Electronic Corp | デイスク再生方式 |
JPS6254868A (ja) * | 1985-09-03 | 1987-03-10 | Victor Co Of Japan Ltd | 回転記録媒体の回転数制御装置 |
JPH0666940B2 (ja) * | 1985-12-20 | 1994-08-24 | ソニー株式会社 | ビデオデイスク再生装置 |
JP2630375B2 (ja) * | 1986-02-28 | 1997-07-16 | パイオニア株式会社 | アドレス探索機能を有する情報再生装置 |
GB8906353D0 (en) * | 1989-03-20 | 1989-05-04 | Dewar Productions Inc | Semi-timing optic lathe |
US6141300A (en) * | 1989-06-20 | 2000-10-31 | Discovision Associates | Optical actuator including lens assembly with optical axis having symmetric suspensory forces acting thereon and optical disc system including same |
US5265079A (en) | 1991-02-15 | 1993-11-23 | Applied Magnetics Corporation | Seek actuator for optical recording |
US5182741A (en) * | 1989-08-25 | 1993-01-26 | Sharp Kabushiki Kaisha | Optical disk recording/reproducing device utilizing a constant angular velocity method with a constant linear velocity formatted optical disk |
US5729511A (en) * | 1991-02-15 | 1998-03-17 | Discovision Associates | Optical disc system having servo motor and servo error detection assembly operated relative to monitored quad sum signal |
US5808980A (en) * | 1991-02-15 | 1998-09-15 | Discovision Associates | Seek actuator for optical recording |
US5677899A (en) * | 1991-02-15 | 1997-10-14 | Discovision Associates | Method for moving carriage assembly from initial position to target position relative to storage medium |
US6069857A (en) * | 1991-02-15 | 2000-05-30 | Discovision Associates | Optical disc system having improved circuitry for performing blank sector check on readable disc |
US6236625B1 (en) | 1991-02-15 | 2001-05-22 | Discovision Associates | Optical disc system having current monitoring circuit with controller for laser driver and method for operating same |
SG41937A1 (en) | 1991-12-23 | 2002-02-19 | Nimbus Comm Internat Ltd | A disk recording system and a method of controlling the rotation of a turntable in such a disk recording system |
AU694947B2 (en) * | 1993-02-02 | 1998-08-06 | Nimbus Communications International Limited | A disk recording system |
US5590102A (en) * | 1995-01-12 | 1996-12-31 | Discovision Associates | Recording informatioin on an optical disc without using pre-manufactured tracks |
US5748578A (en) * | 1995-01-25 | 1998-05-05 | Discovision Associates | Colpitts type oscillator having reduced ringing and improved optical disc system utilizing same |
US5920539A (en) * | 1995-01-25 | 1999-07-06 | Discovision Associates | Apparatus and method for suppression of electromagnetic emissions having a groove on an external surface for passing an electrical conductor |
US6091684A (en) * | 1995-01-25 | 2000-07-18 | Discovision Associates | Optical disc system and method for changing the rotational rate of an information storage medium |
US6434087B1 (en) | 1995-01-25 | 2002-08-13 | Discovision Associates | Optical disc system and method for controlling bias coil and light source to process information on a storage medium |
US5978329A (en) * | 1995-06-07 | 1999-11-02 | Discovision Associates | Technique for closed loop servo operation in optical disc tracking control |
ATE201277T1 (de) * | 1995-12-06 | 2001-06-15 | Discovision Ass | Gerät und verfahren zum regeln der fokussierung |
US5787292A (en) * | 1996-04-01 | 1998-07-28 | International Business Machines Corporation | Power saving method and apparatus for use in multiple frequency zone drives |
US5689485A (en) * | 1996-04-01 | 1997-11-18 | Discovision Associates | Tracking control apparatus and method |
US5808990A (en) * | 1996-12-17 | 1998-09-15 | Cinram, Inc. | Method and apparatus for controlling the linear velocity between an optical head and a rotation disk |
US6768709B2 (en) | 2000-02-23 | 2004-07-27 | Doug Carson & Associates, Inc. | Hiding digital data in a digital audio or video carrier signal |
KR100379750B1 (ko) * | 2000-06-30 | 2003-04-16 | 주승용 | 골프용 티이의 구조 |
US7568081B2 (en) * | 2000-11-15 | 2009-07-28 | Doug Carson & Associates, Inc. | Authenticating a data storage medium using predetermined inter-sector relationships |
US6477124B2 (en) | 2000-11-15 | 2002-11-05 | Doug Carson & Associates, Inc. | Varying the rate at which data appear on an optical disc rotated at a constant linear velocity to prevent unauthorized duplication of the disc |
JP2004265491A (ja) * | 2003-02-28 | 2004-09-24 | Matsushita Electric Ind Co Ltd | 情報記録媒体の回転速度制御装置 |
US7522481B2 (en) * | 2004-10-28 | 2009-04-21 | Koninklijke Philips Electronics N.V. | Disc drive mechanism and method of operation therefor |
US20060250977A1 (en) * | 2005-05-04 | 2006-11-09 | International Business Machines Corporation | Method and apparatus for determining data center resource availablilty using multiple time domain segments |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2113226A (en) * | 1935-05-08 | 1938-04-05 | Rca Corp | Sound recording and reproducing system |
US2901737A (en) * | 1955-11-01 | 1959-08-25 | Sperry Rand Corp | Disk recording compensating devices |
DE1562038B2 (de) * | 1968-02-13 | 1971-05-13 | Telefunken Patentverwertungsgesell schaft mbH, 790OUIm | System zur aufzeichnung und abtastung von bildsignalen und der bildwechselfrequenz entsprechenden impulsen unter ver wendung eines plattenfoermigen aufzeichnungstraegers |
JPS4875002A (de) * | 1972-01-05 | 1973-10-09 | ||
DE2257817A1 (de) * | 1972-11-25 | 1974-05-30 | Hubertus Wentzell | Aufzeichnungs- und wiedergabeverfahren fuer platten-informationstraeger |
US3826965A (en) * | 1972-11-29 | 1974-07-30 | Ibm | Constant tangential velocity motor control for a disc recording system |
JPS5841710B2 (ja) * | 1973-03-16 | 1983-09-13 | ソニー株式会社 | ジヨウホウシンゴウキロクホウホウ |
DE2521821A1 (de) * | 1975-05-16 | 1976-11-25 | Bosch Gmbh Robert | Videoplattengeraet |
US4079942A (en) * | 1975-09-11 | 1978-03-21 | Edward A. Jazlowiecki | Method of and apparatus for controlling turntable speed |
GB1572346A (en) * | 1976-03-19 | 1980-07-30 | Rca Corp | Velocity and phase control for a disc recording and reproducing apparatus |
DE2811761A1 (de) * | 1978-03-17 | 1979-09-20 | Wilhelm Dr Ing Lepper | Verfahren zur aufnahme und wiedergabe von schallaufzeichnungen fuer schallplatten und einrichtung zur durchfuehrung des verfahrens |
-
1978
- 1978-11-16 US US05/961,405 patent/US4228326A/en not_active Expired - Lifetime
-
1979
- 1979-11-14 BR BR7907413A patent/BR7907413A/pt not_active IP Right Cessation
- 1979-11-15 EP EP79302594A patent/EP0011495B2/de not_active Expired
- 1979-11-15 DE DE7979302594T patent/DE2967217D1/de not_active Expired
- 1979-11-15 CA CA000339916A patent/CA1143061A/en not_active Expired
- 1979-11-15 AU AU52844/79A patent/AU532366B2/en not_active Expired
- 1979-11-15 AT AT79302594T patent/ATE9417T1/de not_active IP Right Cessation
- 1979-11-16 JP JP54147823A patent/JPS6014421B2/ja not_active Expired
-
1986
- 1986-02-15 SG SG140/86A patent/SG14086G/en unknown
- 1986-07-03 HK HK495/86A patent/HK49586A/xx not_active IP Right Cessation
-
1987
- 1987-12-30 MY MY147/87A patent/MY8700147A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AU532366B2 (en) | 1983-09-29 |
EP0011495B1 (de) | 1984-09-12 |
HK49586A (en) | 1986-07-11 |
BR7907413A (pt) | 1980-07-22 |
US4228326A (en) | 1980-10-14 |
ATE9417T1 (de) | 1984-09-15 |
SG14086G (en) | 1990-08-17 |
CA1143061A (en) | 1983-03-15 |
EP0011495A1 (de) | 1980-05-28 |
MY8700147A (en) | 1987-12-31 |
JPS6014421B2 (ja) | 1985-04-13 |
JPS55101162A (en) | 1980-08-01 |
EP0011495B2 (de) | 1989-07-12 |
AU5284479A (en) | 1980-05-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8320 | Willingness to grant licences declared (paragraph 23) | ||
8328 | Change in the person/name/address of the agent |
Free format text: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-ING. DR.-ING. STOCKMAIR, W., DIPL.-ING. DR.-ING. AE.E. CAL TECH SCHUMANN, K., DIPL.-PHYS. DR.RER.NAT. JAKOB, P., DIPL.-ING. BEZOLD, G., DIPL.-CHEM. DR.RER.NAT. MEISTER, W., DIPL.-ING. HILGERS, H., DIPL.-ING. MEYER-PLATH, H., DIPL.-ING. DR.-ING. EHNOLD, A., DIPL.-ING. SCHUSTER, T., DIPL.-PHYS. GOLDBACH, K., DIPL.-ING.DR.-ING. AUFENANGER, M., DIPL.-ING., PAT.-ANWAELTE, 8000 MUENCHEN |
|
8363 | Opposition against the patent | ||
8366 | Restricted maintained after opposition proceedings | ||
8380 | Miscellaneous part iii |
Free format text: IM HEFT 6/87, SEITE 1384, SP.1: DIE VEROEFFENTLICHUNG IST ZU STREICHEN |