IT1039784B - Sistema di deplessione ottica a comando elettrico - Google Patents

Sistema di deplessione ottica a comando elettrico

Info

Publication number
IT1039784B
IT1039784B IT2528475A IT2528475A IT1039784B IT 1039784 B IT1039784 B IT 1039784B IT 2528475 A IT2528475 A IT 2528475A IT 2528475 A IT2528475 A IT 2528475A IT 1039784 B IT1039784 B IT 1039784B
Authority
IT
Italy
Prior art keywords
deplession
electrically operated
operated optical
optical
electrically
Prior art date
Application number
IT2528475A
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
Application granted granted Critical
Publication of IT1039784B publication Critical patent/IT1039784B/it

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
IT2528475A 1974-07-12 1975-07-11 Sistema di deplessione ottica a comando elettrico IT1039784B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7424368A FR2278112A1 (fr) 1974-07-12 1974-07-12 Systeme de deflexion optique a commande electrique

Publications (1)

Publication Number Publication Date
IT1039784B true IT1039784B (it) 1979-12-10

Family

ID=9141228

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2528475A IT1039784B (it) 1974-07-12 1975-07-11 Sistema di deplessione ottica a comando elettrico

Country Status (5)

Country Link
JP (1) JPS5132339A (it)
DE (1) DE2531069C3 (it)
FR (1) FR2278112A1 (it)
GB (1) GB1508811A (it)
IT (1) IT1039784B (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL174608C (nl) * 1975-10-20 1984-07-02 Philips Nv Werkwijze voor de vervaardiging van een zwenkspiegelinrichting en een zwenkspiegelinrichting vervaardigd volgens deze werkwijze.
JPS5593544A (en) * 1979-01-09 1980-07-16 Sony Corp Multi-axis movable mirror unit
JPS55137117U (it) * 1979-03-19 1980-09-30
JPS5686639U (it) * 1979-12-04 1981-07-11
JPS56149343U (it) * 1980-04-09 1981-11-10
FR2493018A1 (fr) * 1980-07-22 1982-04-30 Thomson Csf Deflecteur optique a commande electrique
US4592037A (en) * 1980-11-28 1986-05-27 Hitachi, Ltd. Device for displacing a pickup head in multi-axial directions
GB2169455B (en) * 1985-01-07 1988-09-07 Priam Corp Magnetic disc drive and voice coil motor therefor
DE4229507C2 (de) * 1991-10-30 2002-03-07 Cms Mikrosysteme Gmbh Mikromechanischer 3-D-Aktor
US7420449B2 (en) 2006-08-18 2008-09-02 Oc Oerlikon Balzers Ag Mirror actuating device for projection systems
DE102006038787A1 (de) * 2006-08-18 2008-02-21 Oc Oerlikon Balzers Ag Spiegelantrieb für Projektionssysteme

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3532408A (en) * 1968-05-20 1970-10-06 Bulova Watch Co Inc Resonant torsional oscillators
US3614233A (en) * 1970-05-08 1971-10-19 Saab Ab Device for linear displacement of a plane optical image in its own plane

Also Published As

Publication number Publication date
DE2531069A1 (de) 1976-01-29
JPS5132339A (ja) 1976-03-18
GB1508811A (en) 1978-04-26
DE2531069C3 (de) 1980-06-19
DE2531069B2 (de) 1979-09-27
FR2278112A1 (fr) 1976-02-06
JPS5710404B2 (it) 1982-02-26
FR2278112B1 (it) 1978-01-27

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