KR920016877A - 주파수 제어형 광학장치 - Google Patents

주파수 제어형 광학장치 Download PDF

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Publication number
KR920016877A
KR920016877A KR1019920001693A KR920001693A KR920016877A KR 920016877 A KR920016877 A KR 920016877A KR 1019920001693 A KR1019920001693 A KR 1019920001693A KR 920001693 A KR920001693 A KR 920001693A KR 920016877 A KR920016877 A KR 920016877A
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KR
South Korea
Prior art keywords
battery
control circuit
frequency
voltage
electrodes
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Application number
KR1019920001693A
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English (en)
Inventor
위게트 프리도린
Original Assignee
에릭 사우러·에릭 가그네빈
아스라브 쏘시에떼 아노님
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Application filed by 에릭 사우러·에릭 가그네빈, 아스라브 쏘시에떼 아노님 filed Critical 에릭 사우러·에릭 가그네빈
Publication of KR920016877A publication Critical patent/KR920016877A/ko

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    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R1/00—Optical viewing arrangements; Real-time viewing arrangements for drivers or passengers using optical image capturing systems, e.g. cameras or video systems specially adapted for use in or on vehicles
    • B60R1/02—Rear-view mirror arrangements
    • B60R1/08—Rear-view mirror arrangements involving special optical features, e.g. avoiding blind spots, e.g. convex mirrors; Side-by-side associations of rear-view and other mirrors
    • B60R1/083—Anti-glare mirrors, e.g. "day-night" mirrors
    • B60R1/088—Anti-glare mirrors, e.g. "day-night" mirrors using a cell of electrically changeable optical characteristic, e.g. liquid-crystal or electrochromic mirrors
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/13306—Circuit arrangements or driving methods for the control of single liquid crystal cells
    • G02F1/13318—Circuits comprising a photodetector
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G3/00—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
    • G09G3/04—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions
    • G09G3/16—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source
    • G09G3/18—Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments using a combination of such display devices for composing words, rows or the like, in a frame with fixed character positions by control of light from an independent source using liquid crystals

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  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Theoretical Computer Science (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Liquid Crystal (AREA)
  • Liquid Crystal Display Device Control (AREA)

Abstract

내용 없음

Description

주파수 제어형 광학장치
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에 따라 제어될 수 있는 액정 전지의 단면을 나타낸 것이다, 제2도는 제1도의 액정전지의 등가 전지회로의 구조를 나타낸 것이다, 제3도는 본 발명의 광 구조를 나타낸 것이다.

Claims (8)

  1. 흡부계수 조절형 광학장치에 있어서, 그 구성이 두개의 전극 사이에 배치된 광학 활성물질을 가지는 광전지로 구성되며 광학 활성 물질의 투명도는 전극사이에 작용되는 전기 볼테이지(VCL)의 기능을 하며, 두전극에는 전기적으로 제어회로가 연결되고, 광학적 활성물질을 두전극 사이에 작용하는 시그날의 주파수에 따라 전기적임 피던스가 달리지고, 제어회로는 볼테이지 소스와 볼테이지 소스에 의해 전달되는 시그날의 주파수를 제어하는 제어장치로 구성된 것을 특징으로 하는 흡수계수 조절형 광학장치.
  2. 제1항에 있어서, 전지는 두가지 광학적 상태를 가지며, 전지의 전환은 한계전압 Vthr에서 일어나고 제어회로는 제1주파수 시그날을 전지에 전달하여 전지를 한상태로 전환시키고, 젠2주파수 시그날 f2를 전달하여 전지를 다른상태로 전환시키도록 고안된 것을 특징으로 하는 흡수계수 조절용 광학장치.
  3. 제1항에 있어서, 제어회로는 주파수를 가진 시그날은 단계별로 또는 연속적으로 전지의 두 상반된 상태에 해당하는 두극단 주파수 전달하도록 고안된 것을 특징으로 하는 광학장치.
  4. 제2항에 있어서, 볼테이지 소스가 볼테이지 조절형 발진기인 것을 특징으로 하는 장치.
  5. 제4항에 있어서, 제어회로는 입사광(Rinc)을 감지하는 장치로 구성되고, 이 감지장치에 의해 전달된 시그날의 볼테이지 조절형 발진기를 작동시키는 것을 특징으로 하는 장치.
  6. 제4항에 있어서, 제어회로는 주위광(Ramb)을 감지하는 장치로 구성되며, 이 감지장치에 의해 전달된 시그날이 볼테이지 조절형 발진기를 작동시키는 것을 특징으로 하는 장치.
  7. 제1항에 있어서, 전기가 거울인 것을 특징으로 하는 장치.
  8. 제7항에 있어서, 장치가 자동차 백미러에 사용되는 것을 특징으로 하는 장치.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019920001693A 1991-02-13 1992-02-06 주파수 제어형 광학장치 KR920016877A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH447/91A CH684032A5 (fr) 1991-02-13 1991-02-13 Dispositif optique commandable en fréquence.
CH00447/91-1 1991-02-13

Publications (1)

Publication Number Publication Date
KR920016877A true KR920016877A (ko) 1992-09-25

Family

ID=4187242

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019920001693A KR920016877A (ko) 1991-02-13 1992-02-06 주파수 제어형 광학장치

Country Status (4)

Country Link
US (1) US5267067A (ko)
JP (1) JPH0580301A (ko)
KR (1) KR920016877A (ko)
CH (1) CH684032A5 (ko)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE503863C2 (sv) * 1994-10-21 1996-09-23 Curt Lindmark Instrument och metod för mätning av periodisk rörelse
US6011614A (en) * 1996-04-19 2000-01-04 Lindmark; Curt Instrument and method for measuring a periodic motion
US6759945B2 (en) * 2001-03-29 2004-07-06 Vtec Technologies, Inc. Variable transmittance birefringent device
GB0817296D0 (en) * 2008-09-22 2008-10-29 Pilkington Group Ltd Methods of switching and apparatus comprising an electrically actuated variable transmission material
US10111610B2 (en) 2014-11-04 2018-10-30 Wainamics, Inc. Microscale plasma separator
DE102016211247A1 (de) * 2016-01-16 2017-07-20 Pr Germany Gmbh Foliensteuereinrichtung für eine Flüssigkristallfolie
WO2018066555A1 (ja) * 2016-10-03 2018-04-12 凸版印刷株式会社 調光シート、および、画像撮影システム
JP6986217B2 (ja) * 2017-04-24 2021-12-22 大日本印刷株式会社 調光装置、調光システム及び移動体

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Publication number Priority date Publication date Assignee Title
US3601614A (en) * 1970-05-25 1971-08-24 Chrysler Corp Automatic anti-glare rearview mirror system
US3694053A (en) * 1971-06-22 1972-09-26 Bell Telephone Labor Inc Nematic liquid crystal device
GB1426896A (en) * 1972-05-30 1976-03-03 Matsushita Electric Ind Co Ltd Liquid crystal display system
GB1502280A (en) * 1974-12-11 1978-03-01 Secr Defence Liquid crystal displays
IT1082518B (it) * 1977-01-25 1985-05-21 Fiat Spa Specchio a cristallo liquido da impiegare particolarmente come retrovisore per veicoli
US4370647A (en) * 1980-02-15 1983-01-25 Texas Instruments Incorporated System and method of driving a multiplexed liquid crystal display by varying the frequency of the drive voltage signal
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KR880007296A (ko) * 1986-12-31 1988-08-26 한형수 액정 후시경 구동회로

Also Published As

Publication number Publication date
US5267067A (en) 1993-11-30
JPH0580301A (ja) 1993-04-02
CH684032A5 (fr) 1994-06-30

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