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

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B3/00—Simple or compound lenses
    • G02B3/12—Fluid-filled or evacuated lenses
    • G02B3/14—Fluid-filled or evacuated lenses of variable focal length
    • 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
    • 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
    • G02B26/0875—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 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)
  • Liquid Crystal (AREA)
  • Lens Barrels (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)

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FR2531237A1 (fr) * 1982-07-30 1984-02-03 Thomson Csf Optique bifocale et son utilisation dans un appareil detecteur d'images videofrequence

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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
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WO1994012905A1 (fr) * 1992-11-30 1994-06-09 Mitsubishi Denki Kabushiki Kaisha Dispositif optique de conversion de l'angle de champ du type a reflexion
DE4396177C2 (de) * 1992-11-30 2001-02-01 Mitsubishi Electric Corp Panoramaspiegelobjektiv
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US6166866A (en) * 1995-02-28 2000-12-26 Canon Kabushiki Kaisha Reflecting type optical system
US6021004A (en) 1995-02-28 2000-02-01 Canon Kabushiki Kaisha Reflecting type of zoom lens
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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
US6952313B2 (en) * 2003-03-17 2005-10-04 Nokia Corporation Method and device for image zooming
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
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US7330297B2 (en) * 2005-03-04 2008-02-12 Angstrom, Inc Fine control of rotation and translation of discretely controlled micromirror
US7350922B2 (en) * 2004-02-13 2008-04-01 Angstrom, Inc. Three-dimensional display using variable focal length micromirror array lens
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US7382516B2 (en) * 2004-06-18 2008-06-03 Angstrom, Inc. Discretely controlled micromirror with multi-level positions
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US7317580B2 (en) * 2004-03-12 2008-01-08 Konica Minolta Opto, Inc. Zoom lens
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US7768571B2 (en) * 2004-03-22 2010-08-03 Angstrom, Inc. Optical tracking system using variable focal length lens
US7057826B2 (en) * 2004-03-22 2006-06-06 Angstrom Inc. Small and fast zoom system
US7339746B2 (en) * 2004-03-22 2008-03-04 Angstrom, Inc. Small and fast zoom system using micromirror array lens
US7619614B2 (en) * 2004-04-12 2009-11-17 Angstrom, Inc. Three-dimensional optical mouse system
US20070040924A1 (en) * 2005-08-19 2007-02-22 Stereo Display, Inc. Cellular phone camera with three-dimensional imaging function
US7742232B2 (en) * 2004-04-12 2010-06-22 Angstrom, Inc. Three-dimensional imaging system
US8049776B2 (en) * 2004-04-12 2011-11-01 Angstrom, Inc. Three-dimensional camcorder
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
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
US7354167B2 (en) 2004-05-27 2008-04-08 Angstrom, Inc. Beam focusing and scanning system using micromirror array lens
CN101103308B (zh) * 2004-08-25 2011-05-18 潘那维申影像股份有限公司 控制镜头的方法和设备以及含有该控制方法或设备的相机模块
US7619807B2 (en) * 2004-11-08 2009-11-17 Angstrom, Inc. Micromirror array lens with optical surface profiles
US7489434B2 (en) 2007-05-02 2009-02-10 Angstrom, Inc. Hybrid micromirror array lens for reducing chromatic aberration
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
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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
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CN102388332A (zh) 2009-04-10 2012-03-21 黑眼睛光学有限公司 可变焦度光学系统
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FR2950154B1 (fr) 2009-09-15 2011-12-23 Commissariat Energie Atomique Dispositif optique a membrane deformable a actionnement piezoelectrique en forme de couronne continue
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US10444491B2 (en) 2014-05-20 2019-10-15 Saikou Optics Incorporated High speed variable focal field lens assembly and related methods
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Citations (3)

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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

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

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