PL203302A1 - Urzadzenie wykrywajace blad nadazania radialnego oraz czytnik optyczny i optyczne urzadzenie zapisujace - Google Patents

Urzadzenie wykrywajace blad nadazania radialnego oraz czytnik optyczny i optyczne urzadzenie zapisujace

Info

Publication number
PL203302A1
PL203302A1 PL20330277A PL20330277A PL203302A1 PL 203302 A1 PL203302 A1 PL 203302A1 PL 20330277 A PL20330277 A PL 20330277A PL 20330277 A PL20330277 A PL 20330277A PL 203302 A1 PL203302 A1 PL 203302A1
Authority
PL
Poland
Prior art keywords
optical
detection device
error detection
transmission error
radial transmission
Prior art date
Application number
PL20330277A
Other languages
English (en)
Original Assignee
Thomson Brandt
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Thomson Brandt filed Critical Thomson Brandt
Publication of PL203302A1 publication Critical patent/PL203302A1/pl

Links

Classifications

    • 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
    • G11B7/0937—Piezo-electric actuators
PL20330277A 1976-12-23 1977-12-23 Urzadzenie wykrywajace blad nadazania radialnego oraz czytnik optyczny i optyczne urzadzenie zapisujace PL203302A1 (pl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7638894A FR2375690A1 (fr) 1976-12-23 1976-12-23 Dispositif de detection de l'erreur de suivi radial pour lecteurs et enregistreurs optiques

Publications (1)

Publication Number Publication Date
PL203302A1 true PL203302A1 (pl) 1978-08-14

Family

ID=9181469

Family Applications (1)

Application Number Title Priority Date Filing Date
PL20330277A PL203302A1 (pl) 1976-12-23 1977-12-23 Urzadzenie wykrywajace blad nadazania radialnego oraz czytnik optyczny i optyczne urzadzenie zapisujace

Country Status (10)

Country Link
US (1) US4169227A (pl)
JP (1) JPS6034170B2 (pl)
CA (1) CA1098621A (pl)
DE (1) DE2757441A1 (pl)
FR (1) FR2375690A1 (pl)
GB (1) GB1550790A (pl)
IT (1) IT1090629B (pl)
NL (1) NL7714100A (pl)
PL (1) PL203302A1 (pl)
SU (1) SU837338A3 (pl)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4302830A (en) * 1978-05-10 1981-11-24 Olympus Optical Company Ltd. Optical information reading-out apparatus
US4349732A (en) * 1980-01-07 1982-09-14 The Singer Company Laser spatial stabilization transmission system
FR2509077A1 (fr) * 1981-07-03 1983-01-07 Thomson Csf Dispositif resonnant a lame vibrante excitee par un transducteur piezoelectrique et son application au suivi radial d'une piste d'un support d'information optique
DE3339736C1 (de) * 1983-11-03 1985-06-05 Deutsche Thomson-Brandt Gmbh, 7730 Villingen-Schwenningen Spurfolgesystem zur Korrektur von Tangentenfehlwinkeln bei optischer Plattenabtastung
JPH0540224A (ja) * 1990-07-26 1993-02-19 Fuji Photo Film Co Ltd 走査型顕微鏡
DE4442976A1 (de) * 1994-12-02 1996-06-05 Thomson Brandt Gmbh Vorrichtung zur berührungslosen optischen Abtastung von Informationen bei der Aufzeichnung auf und/oder Wiedergabe von einem Aufzeichnungsträger mit Aufzeichnungsspuren
US5694237A (en) * 1996-09-25 1997-12-02 University Of Washington Position detection of mechanical resonant scanner mirror

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3985952A (en) * 1974-02-04 1976-10-12 Zenith Radio Corporation Elasto-optic device for spot wobble in a video disc player
FR2260163B1 (pl) * 1974-02-04 1979-08-03 Thomson Brandt
DE2423074C2 (de) * 1974-05-13 1983-09-22 Robert Bosch Gmbh, 7000 Stuttgart Einrichtung zur Spurführung eines Lichtstrahlabtastkopfes
FR2294451A1 (fr) * 1974-12-09 1976-07-09 Anvar Dispositif pour mesurer des quantites de charges electriques
NL174609C (nl) * 1975-10-15 1984-07-02 Philips Nv Volgspiegelinrichting in een optische platenspeler.
NL7600479A (nl) * 1976-01-19 1977-07-21 Philips Nv Automatisch optisch focusseersysteem.

Also Published As

Publication number Publication date
US4169227A (en) 1979-09-25
FR2375690B1 (pl) 1980-09-12
IT1090629B (it) 1985-06-26
DE2757441C2 (pl) 1988-08-11
CA1098621A (en) 1981-03-31
NL7714100A (nl) 1978-06-27
GB1550790A (en) 1979-08-22
SU837338A3 (ru) 1981-06-07
DE2757441A1 (de) 1978-07-06
JPS6034170B2 (ja) 1985-08-07
FR2375690A1 (fr) 1978-07-21
JPS5382304A (en) 1978-07-20

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