FR2425085A1 - Objectif a longueur focale variable - Google Patents

Objectif a longueur focale variable

Info

Publication number
FR2425085A1
FR2425085A1 FR7813395A FR7813395A FR2425085A1 FR 2425085 A1 FR2425085 A1 FR 2425085A1 FR 7813395 A FR7813395 A FR 7813395A FR 7813395 A FR7813395 A FR 7813395A FR 2425085 A1 FR2425085 A1 FR 2425085A1
Authority
FR
France
Prior art keywords
variable focal
focal length
length lens
bilames
variable
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.)
Granted
Application number
FR7813395A
Other languages
English (en)
Other versions
FR2425085B1 (fr
Inventor
Guy Michelet
Georges Bret
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
Priority to FR7813395A priority Critical patent/FR2425085A1/fr
Priority to JP4717179A priority patent/JPS54146648A/ja
Priority to DE19792916192 priority patent/DE2916192A1/de
Priority to US06/032,932 priority patent/US4407567A/en
Priority to GB7914930A priority patent/GB2020445B/en
Publication of FR2425085A1 publication Critical patent/FR2425085A1/fr
Application granted granted Critical
Publication of FR2425085B1 publication Critical patent/FR2425085B1/fr
Granted legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00Simple or compound lenses
    • G02B3/12Fluid-filled or evacuated lenses
    • G02B3/14Fluid-filled or evacuated lenses of variable focal length
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0816Optical 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
    • G02B26/0825Optical 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B26/00Optical devices or arrangements for the control of light using movable or deformable optical elements
    • G02B26/08Optical devices or arrangements for the control of light using movable or deformable optical elements for controlling the direction of light
    • G02B26/0875Optical 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 refracting elements

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Elements Other Than Lenses (AREA)
  • Lenses (AREA)
  • Mechanical Light Control Or Optical Switches (AREA)
  • Lens Barrels (AREA)
  • Liquid Crystal (AREA)

Abstract

OBJECTIF A LONGUEUR FOCALE VARIABLE, CARACTERISE EN CE QU'IL EST CONSTITUE D'AU MOINS DEUX ELEMENTS OPTIQUES M, M; L, L, L; LM A FOCALE VARIABLE A BILAMES PIEZOELECTRIQUES, AU MOINS UNE SOURCE D'ALIMENTATION DESDITS BILAMES ET DES MOYENS ELECTRONIQUES DE COMMANDE DE TENSION D'ALIMENTATION DES BILAMES RESPECTIFS DES ELEMENTS A FOCALE VARIABLE, EN FONCTION DU GRANDISSEMENT DESIRE POUR LEDIT OBJECTIF.
FR7813395A 1978-05-05 1978-05-05 Objectif a longueur focale variable Granted FR2425085A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR7813395A FR2425085A1 (fr) 1978-05-05 1978-05-05 Objectif a longueur focale variable
JP4717179A JPS54146648A (en) 1978-05-05 1979-04-17 Variable focal length lens
DE19792916192 DE2916192A1 (de) 1978-05-05 1979-04-21 Objektiv mit variabler brennweite
US06/032,932 US4407567A (en) 1978-05-05 1979-04-24 Objective having a variable focal length
GB7914930A GB2020445B (en) 1978-05-05 1979-04-30 Objective having a variable focal length

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7813395A FR2425085A1 (fr) 1978-05-05 1978-05-05 Objectif a longueur focale variable

Publications (2)

Publication Number Publication Date
FR2425085A1 true FR2425085A1 (fr) 1979-11-30
FR2425085B1 FR2425085B1 (fr) 1983-12-30

Family

ID=9207954

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7813395A Granted FR2425085A1 (fr) 1978-05-05 1978-05-05 Objectif a longueur focale variable

Country Status (5)

Country Link
US (1) US4407567A (fr)
JP (1) JPS54146648A (fr)
DE (1) DE2916192A1 (fr)
FR (1) FR2425085A1 (fr)
GB (1) GB2020445B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531237A1 (fr) * 1982-07-30 1984-02-03 Thomson Csf Optique bifocale et son utilisation dans un appareil detecteur d'images videofrequence

Families Citing this family (86)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2519151B1 (fr) * 1981-12-24 1985-07-12 Onera (Off Nat Aerospatiale) Miroir a focale variable
US4836661A (en) * 1982-12-01 1989-06-06 Canon Kabushiki Kaisha Optical system of variable magnification power
US4784479A (en) * 1984-05-30 1988-11-15 Canon Kabushiki Kaisha Varifocal optical system
JPS6187116A (ja) * 1984-09-28 1986-05-02 Canon Inc 変倍光学系
JPS61156213A (ja) * 1984-12-28 1986-07-15 Canon Inc ズ−ムレンズ
US4812030A (en) * 1985-01-03 1989-03-14 The Boeing Company Catoptric zoom optical device
JPS62148903A (ja) * 1985-12-24 1987-07-02 Canon Inc 可変焦点光学素子
JPS62173419A (ja) * 1986-01-28 1987-07-30 Canon Inc ズ−ムレンズ系
US4934805A (en) * 1986-11-12 1990-06-19 The Boeing Company Fixed step catoptric zoom system
US4871240A (en) * 1986-12-22 1989-10-03 Canon Kabushiki Kaisha Zoom lens system having a lens unit with a variable refractive power
IL89945A0 (en) * 1989-04-13 1989-12-15 Daniel Barnea Eyeglasses with adjustable focus lens
US4863253A (en) * 1987-09-25 1989-09-05 Spectra-Tech, Inc. High magnification reflecting microscope objective having a dual magnification mode and zoom magnification capability
JPH01120502A (ja) * 1987-11-05 1989-05-12 Sanyo Electric Co Ltd 焦点調整装置
US4883348A (en) * 1988-06-10 1989-11-28 Spivey Brett A Wide field optical system
FR2634287B1 (fr) * 1988-07-13 1992-05-07 Haiun Joseph Systemes optiques et lentilles transparents a caracteristiques reglables
US5144476A (en) * 1989-04-24 1992-09-01 Kebo Reynold S All-reflective zoom optical system
US5101260A (en) * 1989-05-01 1992-03-31 Energy Conversion Devices, Inc. Multilayer light scattering photovoltaic back reflector and method of making same
JPH03194526A (ja) * 1989-12-25 1991-08-26 Olympus Optical Co Ltd 実像式ファインダー光学系
DE4396177C2 (de) * 1992-11-30 2001-02-01 Mitsubishi Electric Corp Panoramaspiegelobjektiv
JP3220462B2 (ja) * 1992-11-30 2001-10-22 三菱電機株式会社 反射式画角変換光学装置及び製造方法
US6021004A (en) * 1995-02-28 2000-02-01 Canon Kabushiki Kaisha Reflecting type of zoom lens
US6166866A (en) * 1995-02-28 2000-12-26 Canon Kabushiki Kaisha Reflecting type optical system
DE69623362T2 (de) 1995-02-28 2003-08-07 Canon Kk Zoomobjektiv mit reflektierenden Flächen
AU2692097A (en) * 1996-03-26 1997-10-17 Mannesmann Aktiengesellschaft Opto-electronic imaging system for industrial applications
JP2000267010A (ja) * 1999-03-17 2000-09-29 Olympus Optical Co Ltd 光学装置
JP4360504B2 (ja) * 1999-07-26 2009-11-11 オリンパス株式会社 ズームレンズ
JP2003098435A (ja) * 2001-09-21 2003-04-03 Olympus Optical Co Ltd ズーム光学系
JP4191735B2 (ja) * 2003-03-17 2008-12-03 ノキア コーポレイション 画像ズーミング方法および装置
AU2008200022B2 (en) * 2003-12-18 2009-10-22 Tang, Yin S Motionless zoom lens
US6898021B1 (en) * 2003-12-18 2005-05-24 Yin S. Tang Motionless zoom lens
US7330297B2 (en) * 2005-03-04 2008-02-12 Angstrom, Inc Fine control of rotation and translation of discretely controlled micromirror
US8537204B2 (en) * 2004-07-08 2013-09-17 Gyoung Il Cho 3D television broadcasting system
US7382516B2 (en) * 2004-06-18 2008-06-03 Angstrom, Inc. Discretely controlled micromirror with multi-level positions
US7474454B2 (en) * 2004-06-18 2009-01-06 Angstrom, Inc. Programmable micromirror motion control system
US7751694B2 (en) * 2004-02-13 2010-07-06 Angstrom, Inc. Three-dimensional endoscope imaging and display system
US7580178B2 (en) * 2004-02-13 2009-08-25 Angstrom, Inc. Image-guided microsurgery system and method
US7350922B2 (en) * 2004-02-13 2008-04-01 Angstrom, Inc. Three-dimensional display using variable focal length micromirror array lens
US7898144B2 (en) * 2006-02-04 2011-03-01 Angstrom, Inc. Multi-step microactuator providing multi-step displacement to a controlled object
US7535649B2 (en) * 2004-03-09 2009-05-19 Tang Yin S Motionless lens systems and methods
US7317580B2 (en) * 2004-03-12 2008-01-08 Konica Minolta Opto, Inc. Zoom lens
US7410266B2 (en) * 2004-03-22 2008-08-12 Angstrom, Inc. Three-dimensional imaging system for robot vision
US7339746B2 (en) * 2004-03-22 2008-03-04 Angstrom, Inc. Small and fast zoom system using micromirror array lens
US7057826B2 (en) * 2004-03-22 2006-06-06 Angstrom Inc. Small and fast zoom system
US7768571B2 (en) * 2004-03-22 2010-08-03 Angstrom, Inc. Optical tracking system using variable focal length lens
US7742232B2 (en) * 2004-04-12 2010-06-22 Angstrom, Inc. Three-dimensional imaging system
US20070040924A1 (en) * 2005-08-19 2007-02-22 Stereo Display, Inc. Cellular phone camera with three-dimensional imaging function
US20070115261A1 (en) * 2005-11-23 2007-05-24 Stereo Display, Inc. Virtual Keyboard input system using three-dimensional motion detection by variable focal length lens
US7619614B2 (en) * 2004-04-12 2009-11-17 Angstrom, Inc. Three-dimensional optical mouse system
US8049776B2 (en) * 2004-04-12 2011-11-01 Angstrom, Inc. Three-dimensional camcorder
US7354167B2 (en) 2004-05-27 2008-04-08 Angstrom, Inc. Beam focusing and scanning system using micromirror array lens
US7667896B2 (en) 2004-05-27 2010-02-23 Angstrom, Inc. DVD recording and reproducing system
US7777959B2 (en) * 2004-05-27 2010-08-17 Angstrom, Inc. Micromirror array lens with fixed focal length
EP1789843A2 (fr) * 2004-08-25 2007-05-30 Panavision Imaging, Inc Procede et appareil pour controler une lentille et module d'appareil-photo comprenant cette derniere
US7489434B2 (en) 2007-05-02 2009-02-10 Angstrom, Inc. Hybrid micromirror array lens for reducing chromatic aberration
US7619807B2 (en) * 2004-11-08 2009-11-17 Angstrom, Inc. Micromirror array lens with optical surface profiles
US7413306B2 (en) * 2004-11-18 2008-08-19 Amo Manufacturing Usa, Llc Sphero cylindrical eye refraction system using fluid focus electrostatically variable lenses
KR20060078445A (ko) * 2004-12-31 2006-07-05 엘지전자 주식회사 초점 조절 장치
US20060198011A1 (en) * 2005-03-04 2006-09-07 Stereo Display, Inc. Volumetric three-dimensional device using two-dimensional scanning device
US20060203117A1 (en) * 2005-03-10 2006-09-14 Stereo Display, Inc. Video monitoring system using variable focal length lens
US20070041077A1 (en) * 2005-08-19 2007-02-22 Stereo Display, Inc. Pocket-sized two-dimensional image projection system
WO2007033326A2 (fr) * 2005-09-14 2007-03-22 Welch Allyn, Inc. Appareil medical comprenant une lentille adaptative
US8027095B2 (en) * 2005-10-11 2011-09-27 Hand Held Products, Inc. Control systems for adaptive lens
US9736346B2 (en) 2006-05-09 2017-08-15 Stereo Display, Inc Imaging system improving image resolution of the system with low resolution image sensor
US7365899B2 (en) * 2006-08-10 2008-04-29 Angstrom, Inc. Micromirror with multi-axis rotation and translation
US7589885B2 (en) * 2006-09-22 2009-09-15 Angstrom, Inc. Micromirror array device comprising encapsulated reflective metal layer and method of making the same
US7589884B2 (en) * 2006-09-22 2009-09-15 Angstrom, Inc. Micromirror array lens with encapsulation of reflective metal layer and method of making the same
US7488082B2 (en) 2006-12-12 2009-02-10 Angstrom, Inc. Discretely controlled micromirror array device with segmented electrodes
US7813047B2 (en) * 2006-12-15 2010-10-12 Hand Held Products, Inc. Apparatus and method comprising deformable lens element
US8027096B2 (en) 2006-12-15 2011-09-27 Hand Held Products, Inc. Focus module and components with actuator polymer control
DE102007004080A1 (de) * 2007-01-26 2008-08-07 Universität Freiburg Variables achromatisches Membranlinsensystem sowie Verfahren zum Betrieb
US7535618B2 (en) * 2007-03-12 2009-05-19 Angstrom, Inc. Discretely controlled micromirror device having multiple motions
US9505606B2 (en) 2007-06-13 2016-11-29 Angstrom, Inc. MEMS actuator with discretely controlled multiple motions
US7605988B2 (en) * 2007-07-23 2009-10-20 Angstrom, Inc. Compact image taking lens system with a lens-surfaced prism
US7589916B2 (en) * 2007-08-10 2009-09-15 Angstrom, Inc. Micromirror array with iris function
CN101821658B (zh) * 2007-12-04 2014-02-26 黑眼睛光学有限公司 变焦透镜***和照相机***
EP2217960B1 (fr) 2007-12-04 2017-06-07 Blackeye Optics, LLC Système de stabilisation d'image comprenant deux lentilles liquides
US8810908B2 (en) 2008-03-18 2014-08-19 Stereo Display, Inc. Binoculars with micromirror array lenses
US8622557B2 (en) 2008-05-20 2014-01-07 Stereo Display, Inc. Micromirror array lens with self-tilted micromirrors
AU2010234963C1 (en) 2009-04-10 2014-11-06 Blackeye Optics, Llc. Variable power optical system
CA2758207C (fr) 2009-04-10 2018-05-22 Blackeye Optics, Llc Systeme optique a puissance variable
FR2950153B1 (fr) 2009-09-15 2011-12-23 Commissariat Energie Atomique Dispositif optique a membrane deformable a actionnement piezoelectrique
FR2950154B1 (fr) 2009-09-15 2011-12-23 Commissariat Energie Atomique Dispositif optique a membrane deformable a actionnement piezoelectrique en forme de couronne continue
JP5132817B2 (ja) * 2009-10-19 2013-01-30 キヤノン株式会社 ズームレンズおよびそれを有する撮像装置
US8366002B2 (en) 2010-05-26 2013-02-05 Hand Held Products, Inc. Solid elastic lens element and method of making same
US10444491B2 (en) 2014-05-20 2019-10-15 Saikou Optics Incorporated High speed variable focal field lens assembly and related methods
US20210263290A1 (en) * 2020-02-25 2021-08-26 Zebra Technologies Corporation Optical arrangement for small size wide angle auto focus imaging lens for high resolution sensors

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2006970A1 (en) * 1969-02-17 1970-12-10 Robert Bosch Gmbh, 7000 Stuttgart Laser lens with focal distance controlled - by electric signal
US3912386A (en) * 1974-06-14 1975-10-14 Rca Corp Color image intensification and projection using deformable mirror light valve
FR2330027A1 (fr) * 1975-10-28 1977-05-27 Thomson Brandt Dispositif de focalisation a vergence variable et lecteur optique comportant un tel dispositif

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3161718A (en) * 1961-07-12 1964-12-15 William Kurasch Variable power fluid lens
US3299368A (en) * 1963-06-24 1967-01-17 United Aircraft Corp Laser light gate with piezoelectric crystal
FR1593883A (fr) * 1968-02-17 1970-06-01
NL7206376A (fr) * 1972-05-11 1973-11-13
JPS5323582B2 (fr) * 1972-09-05 1978-07-15
FR2321711A1 (fr) * 1975-08-19 1977-03-18 Thomson Brandt Dispositif optique a mise au point automatique et lecteur optique comportant un tel dispositif
FR2389144A1 (fr) * 1977-04-27 1978-11-24 Quantel Sa Lentille a focale variable
FR2389143A1 (fr) * 1977-04-27 1978-11-24 Quantel Sa Element optique perfectionne
US4289379A (en) * 1977-04-27 1981-09-15 Quantel S.A. Optical system having a variable focal length

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2006970A1 (en) * 1969-02-17 1970-12-10 Robert Bosch Gmbh, 7000 Stuttgart Laser lens with focal distance controlled - by electric signal
US3912386A (en) * 1974-06-14 1975-10-14 Rca Corp Color image intensification and projection using deformable mirror light valve
FR2330027A1 (fr) * 1975-10-28 1977-05-27 Thomson Brandt Dispositif de focalisation a vergence variable et lecteur optique comportant un tel dispositif

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2531237A1 (fr) * 1982-07-30 1984-02-03 Thomson Csf Optique bifocale et son utilisation dans un appareil detecteur d'images videofrequence
EP0104960A1 (fr) * 1982-07-30 1984-04-04 Thomson-Csf Optique bifocale et son utilisation dans un appareil détecteur d'images vidéofréquence

Also Published As

Publication number Publication date
JPS6150281B2 (fr) 1986-11-04
GB2020445B (en) 1982-11-17
US4407567A (en) 1983-10-04
JPS54146648A (en) 1979-11-16
DE2916192C2 (fr) 1988-06-23
GB2020445A (en) 1979-11-14
DE2916192A1 (de) 1979-11-15
FR2425085B1 (fr) 1983-12-30

Similar Documents

Publication Publication Date Title
FR2425085A1 (fr) Objectif a longueur focale variable
FR2344270A1 (fr) Appareil optique a laser pour operation sous microscope
FR2359537A1 (fr)
BE885760A (fr) Circuit de regulation pour le courant d'excitation d'un laser
JPS5393021A (en) Aperture control device in variable power lens
DE69118127T2 (de) Optische Vorrichtung vom Wellenleitertyp
ES2152944T3 (es) Circuito de lente de cristal liquido.
FR2394917A1 (fr) Alimentation continue, stabilisee
FR2516335B1 (fr) Dispositif de commande de l'intensite lumineuse d'un tube fluorescent alimente sur une tension continue
FR2403612A1 (fr) Dispositif d'affichage a cristaux liquides
FR2412195A1 (fr) Dispositif d'alimentation en courant comportant des appareils d'alimentation en courant regles par la tension et branches en parallele du cote sortie
JPS5535336A (en) Wide angle zoom lens
FR2658324B1 (fr) Appareil photo commande electroniquement a focale variable avec element de manóoeuvre unique.
JPS5726822A (en) Dimming spectacles
DE69110527T2 (de) Optische Wellenleitervorrichtung und optischer zweiter harmonischer Generator der diese benützt.
JPS5550201A (en) Lens driving device
FR2392454A1 (fr) Dispositif d'emmagasinage pour l'acceptation et la restitution de pieces de monnaie
JPS5284748A (en) Device for finely adjusting position at which laser light is focused
BE1002288A4 (fr) Microscope simplifie.
FR2691589B1 (fr) Dispositif générateur d'oscillations pour faisceaux laser de forte puissance.
FR2404261A1 (fr) Element coulissant de dispositif de telecommande et dispositif ainsi equipe
JPS52128152A (en) Highly variable multiplying zoom lens
BE609615A (fr) Montage pour la commande de la tension de sortie d'une source de tension en fonction de la température
JPS5521076A (en) Light attenuator
JPS5450350A (en) Liquid crystal display device

Legal Events

Date Code Title Description
ST Notification of lapse