FR2210064A1 - - Google Patents
Info
- Publication number
- FR2210064A1 FR2210064A1 FR7343944A FR7343944A FR2210064A1 FR 2210064 A1 FR2210064 A1 FR 2210064A1 FR 7343944 A FR7343944 A FR 7343944A FR 7343944 A FR7343944 A FR 7343944A FR 2210064 A1 FR2210064 A1 FR 2210064A1
- Authority
- FR
- France
- 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.)
- Granted
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
- G11B19/2009—Turntables, hubs and motors for disk drives; Mounting of motors in the drive
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B17/00—Guiding record carriers not specifically of filamentary or web form, or of supports therefor
- G11B17/32—Maintaining desired spacing between record carrier and head, e.g. by fluid-dynamic spacing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B23/00—Record carriers not specific to the method of recording or reproducing; Accessories, e.g. containers, specially adapted for co-operation with the recording or reproducing apparatus ; Intermediate mediums; Apparatus or processes specially adapted for their manufacture
- G11B23/50—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges
- G11B23/505—Reconditioning of record carriers; Cleaning of record carriers ; Carrying-off electrostatic charges of disk carriers
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0908—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following for focusing only
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/08—Disposition or mounting of heads or light sources relatively to record carriers
- G11B7/09—Disposition or mounting of heads or light sources relatively to record carriers with provision for moving the light beam or focus plane for the purpose of maintaining alignment of the light beam relative to the record carrier during transducing operation, e.g. to compensate for surface irregularities of the latter or for track following
- G11B7/0925—Electromechanical actuators for lens positioning
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US314082A US3914541A (en) | 1972-12-11 | 1972-12-11 | Video disc player |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2210064A1 true FR2210064A1 (US06248540-20010619-C00021.png) | 1974-07-05 |
FR2210064B1 FR2210064B1 (US06248540-20010619-C00021.png) | 1976-10-08 |
Family
ID=23218480
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7343944A Expired FR2210064B1 (US06248540-20010619-C00021.png) | 1972-12-11 | 1973-12-10 |
Country Status (7)
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0191567A2 (en) * | 1985-01-24 | 1986-08-20 | Victor Company Of Japan, Limited | Information storage disc assembly |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5838866B2 (ja) * | 1973-12-13 | 1983-08-25 | キヤノン株式会社 | フジヨウソウチ |
AR205839A1 (es) * | 1974-09-30 | 1976-06-07 | Mca Disco Vision | Servodisposicion para recorrer opticamente y leer simultaneamente un canal de informacion almacenado en un disco de video |
FR2309012A1 (fr) * | 1975-04-21 | 1976-11-19 | Ibm | Memoire a disque magnetique flexible |
US4006294A (en) * | 1975-05-27 | 1977-02-01 | Mca Disco-Vision, Inc. | Transducer head assembly with fluid bearing and head height control system |
FR2312832A1 (fr) * | 1975-05-30 | 1976-12-24 | Thomson Brandt | Dispositif de stabilisation de disques souples, et notamment de video-disques, et appareil de lecture adapte a ce dispositif |
US4488279A (en) * | 1980-10-20 | 1984-12-11 | Discovision Associates | Video recorder-playback machine |
US4467467A (en) * | 1980-10-20 | 1984-08-21 | Discovision Associates | Video recorder-playback machine |
US4507774A (en) * | 1983-03-11 | 1985-03-26 | Eastman Kodak Company | Optical disc and disc-turntable air flow interface assembly |
US4752836A (en) * | 1984-09-07 | 1988-06-21 | Ivex Corporation | Method and apparatus for reproducing video images to simulate movement within a multi-dimensional space |
US5150338A (en) * | 1989-08-10 | 1992-09-22 | Hewlett-Packard Company | Optical disk reading and writing system having magnetic write head mounted on an air-bearing slider |
US5590102A (en) * | 1995-01-12 | 1996-12-31 | Discovision Associates | Recording informatioin on an optical disc without using pre-manufactured tracks |
US6538836B1 (en) * | 1995-05-08 | 2003-03-25 | Seagate Technology Llc | Microactuator for fine positioning in a disc drive |
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 |
US5689485A (en) | 1996-04-01 | 1997-11-18 | Discovision Associates | Tracking control apparatus and method |
US5991114A (en) * | 1997-01-28 | 1999-11-23 | Seagate Technology, Inc. | Disc drive having gram load reducer and method of operating gram load reducer |
US6282066B1 (en) | 1998-03-20 | 2001-08-28 | Seagate Technology Llc | Microactuator suspension with multiple narrow beams |
CN1335992A (zh) | 1999-02-22 | 2002-02-13 | 西加特技术有限责任公司 | 补偿可重复的偏心误差 |
DE19983952T1 (de) | 1999-05-07 | 2002-06-20 | Seagate Technology Llc | Kompensation wiederholbaren Auslaufens mit iterativer Lernsteuerung bei einem Plattenspeichersystem |
US6437936B1 (en) | 1999-07-23 | 2002-08-20 | Seagate Technology Llc | Repeatable runout compensation using a learning algorithm with scheduled parameters |
US6952320B1 (en) | 1999-12-16 | 2005-10-04 | Seagate Technology Llc | Virtual tracks for repeatable runout compensation |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3442570A (en) * | 1966-03-02 | 1969-05-06 | Hughes Aircraft Co | Piezoelectric laser beam deflector |
US3544201A (en) * | 1968-01-02 | 1970-12-01 | Gen Telephone & Elect | Optical beam deflector |
DE2136411A1 (de) * | 1971-07-21 | 1973-02-01 | Licentia Gmbh | Abtaster zum abtasten von gespeicherten signalen |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2137188A (en) * | 1937-11-20 | 1938-11-15 | Stewart C Whitman | Piezoelectric crystal mirror system for sound recording |
US2654810A (en) * | 1949-11-15 | 1953-10-06 | Miessner Inventions Inc | Photoelectric translating system |
US3166997A (en) * | 1961-06-28 | 1965-01-26 | Ibm | Hydrostatic film disc stabilizer and spacer |
US3361873A (en) * | 1962-05-07 | 1968-01-02 | Minnesota Mining & Mfg | Disc recording system |
US3404224A (en) * | 1964-11-23 | 1968-10-01 | Omar N. Revelo | Audio and video transmitting and receiving system for use as an educational device |
US3537083A (en) * | 1968-11-27 | 1970-10-27 | Univ Illinois | Flexible surface disc for magnetic recorders with central pneumatic orifice |
US3706861A (en) * | 1969-09-18 | 1972-12-19 | Rca Corp | Apparatus for mounting and spacing a signal transducer with respect to a recording medium |
US3701135A (en) * | 1970-10-29 | 1972-10-24 | Control Data Corp | Foil bearing control apparatus |
US3715524A (en) * | 1972-04-20 | 1973-02-06 | Zenith Radio Corp | Electro-optical groove tracking apparatus for video reproducing system |
-
1972
- 1972-12-11 US US314082A patent/US3914541A/en not_active Expired - Lifetime
-
1973
- 1973-12-03 CA CA187,156A patent/CA1004355A/en not_active Expired
- 1973-12-10 GB GB5703473A patent/GB1458215A/en not_active Expired
- 1973-12-10 FR FR7343944A patent/FR2210064B1/fr not_active Expired
- 1973-12-10 NL NL7316893A patent/NL7316893A/xx not_active Application Discontinuation
- 1973-12-10 IT IT54199/73A patent/IT1000268B/it active
- 1973-12-11 JP JP48137425A patent/JPS4990426A/ja active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3442570A (en) * | 1966-03-02 | 1969-05-06 | Hughes Aircraft Co | Piezoelectric laser beam deflector |
US3544201A (en) * | 1968-01-02 | 1970-12-01 | Gen Telephone & Elect | Optical beam deflector |
DE2136411A1 (de) * | 1971-07-21 | 1973-02-01 | Licentia Gmbh | Abtaster zum abtasten von gespeicherten signalen |
Non-Patent Citations (4)
Title |
---|
(REVUE US : 'JOURNAL OF THE SMPTE', VOL. 79, N 11, NOVEMBRE 1970.ARTICLE DE RICE : * |
AN EXPERIMENTAL TELEVISION RECORDING AN PLAYBACK SYSTEM USING PHOTOGRAPHIC DISC', PAGES 997 A *1002.) * |
REVUE DT : 'FUNKSCHAU', VOL. 42, N 15, AOUT I 1970. ARTICLE : 'FERNSEHEN VON DER BILDPLATTE',485 *ET 486. * |
REVUE DT : 'INTERNATIONALE ELEKTRONISCHE RUNDSCHAU', VOL.26, N 10, OCTOBRE 1972. *ARTICLE DE ROTH : 'LANGSPIELBILPLATTE MIT OPTISCHER ABTASTUNG', PAGES 243 ET 244.) * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0191567A2 (en) * | 1985-01-24 | 1986-08-20 | Victor Company Of Japan, Limited | Information storage disc assembly |
EP0191567A3 (en) * | 1985-01-24 | 1988-03-16 | Victor Company Of Japan, Limited | Information storage disc assembly |
Also Published As
Publication number | Publication date |
---|---|
DE2361650B2 (de) | 1976-12-02 |
NL7316893A (US06248540-20010619-C00021.png) | 1974-06-13 |
GB1458215A (en) | 1976-12-08 |
US3914541A (en) | 1975-10-21 |
JPS4990426A (US06248540-20010619-C00021.png) | 1974-08-29 |
DE2361650A1 (de) | 1974-07-04 |
FR2210064B1 (US06248540-20010619-C00021.png) | 1976-10-08 |
CA1004355A (en) | 1977-01-25 |
IT1000268B (it) | 1976-03-30 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
CD | Change of name or company name | ||
TP | Transmission of property | ||
ST | Notification of lapse |