JPH0381132B2 - - Google Patents

Info

Publication number
JPH0381132B2
JPH0381132B2 JP53049696A JP4969678A JPH0381132B2 JP H0381132 B2 JPH0381132 B2 JP H0381132B2 JP 53049696 A JP53049696 A JP 53049696A JP 4969678 A JP4969678 A JP 4969678A JP H0381132 B2 JPH0381132 B2 JP H0381132B2
Authority
JP
Japan
Prior art keywords
mirror
multilayer structure
voltage
focal length
concave
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 - Lifetime
Application number
JP53049696A
Other languages
English (en)
Japanese (ja)
Other versions
JPS53135346A (en
Inventor
Mishure Gyui
Buree Joruju
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Quantel SA
Original Assignee
Quantel SA
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 Quantel SA filed Critical Quantel SA
Publication of JPS53135346A publication Critical patent/JPS53135346A/ja
Publication of JPH0381132B2 publication Critical patent/JPH0381132B2/ja
Granted legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V7/00—Reflectors for light sources
    • F21V7/10—Construction
    • F21V7/16—Construction with provision for adjusting the curvature
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00—Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements
    • G02B26/0825—Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light by means of one or more reflecting elements the reflecting element being a flexible sheet or membrane, e.g. for varying the focus

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
  • Mechanical Optical Scanning Systems (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Rear-View Mirror Devices That Are Mounted On The Exterior Of The Vehicle (AREA)
JP4969678A 1977-04-27 1978-04-26 Focus changeable mirror Granted JPS53135346A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7712800A FR2389145A1 (fr) 1977-04-27 1977-04-27 Miroir a focale variable

Publications (2)

Publication Number Publication Date
JPS53135346A JPS53135346A (en) 1978-11-25
JPH0381132B2 true JPH0381132B2 (en]) 1991-12-27

Family

ID=9190008

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4969678A Granted JPS53135346A (en) 1977-04-27 1978-04-26 Focus changeable mirror

Country Status (4)

Country Link
JP (1) JPS53135346A (en])
DE (1) DE2817239A1 (en])
FR (1) FR2389145A1 (en])
GB (1) GB1603704A (en])

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2453423A1 (fr) * 1979-04-04 1980-10-31 Quantel Sa Element optique epais a courbure variable
FR2472198A1 (fr) * 1979-12-20 1981-06-26 Anvar Miroirs astronomiques et reseaux aspheriques semi-encastres et procede de fabrication par flexion elastique
FR2496380A1 (fr) * 1980-12-15 1982-06-18 Thomson Csf Dispositif piezoresistif a commande electrique
JPS58181033A (ja) * 1982-04-16 1983-10-22 Canon Inc 照射角可変電子閃光装置
JP2506973Y2 (ja) * 1992-09-04 1996-08-14 八郎 桝野 地図型ペ―パウエイト
DE102008041287A1 (de) 2007-08-24 2009-02-26 Carl Zeiss Smt Ag Kraftaktuator

Also Published As

Publication number Publication date
GB1603704A (en) 1981-11-25
FR2389145B1 (en]) 1981-11-27
JPS53135346A (en) 1978-11-25
DE2817239A1 (de) 1978-11-02
FR2389145A1 (fr) 1978-11-24

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