JPS569718A - Electrochromic diaphragm device using liquid - Google Patents

Electrochromic diaphragm device using liquid

Info

Publication number
JPS569718A
JPS569718A JP8484879A JP8484879A JPS569718A JP S569718 A JPS569718 A JP S569718A JP 8484879 A JP8484879 A JP 8484879A JP 8484879 A JP8484879 A JP 8484879A JP S569718 A JPS569718 A JP S569718A
Authority
JP
Japan
Prior art keywords
electrodes
electrode
constituted
liquid crystal
diaphragm
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.)
Pending
Application number
JP8484879A
Other languages
English (en)
Inventor
Ryoichi Suzuki
Takashi Uchiyama
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP8484879A priority Critical patent/JPS569718A/ja
Priority to US06/165,149 priority patent/US4422729A/en
Priority to DE19803025266 priority patent/DE3025266A1/de
Publication of JPS569718A publication Critical patent/JPS569718A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/02—Diaphragms
    • 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
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1343—Electrodes
    • G02F1/134309—Electrodes characterised by their geometrical arrangement
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/091—Digital circuits
    • G03B7/095—Digital circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Geometry (AREA)
  • Mathematical Physics (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Optics & Photonics (AREA)
  • Diaphragms For Cameras (AREA)
  • Liquid Crystal (AREA)
JP8484879A 1979-07-04 1979-07-04 Electrochromic diaphragm device using liquid Pending JPS569718A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP8484879A JPS569718A (en) 1979-07-04 1979-07-04 Electrochromic diaphragm device using liquid
US06/165,149 US4422729A (en) 1979-07-04 1980-07-01 Electro-optical diaphragm with radial electrodes
DE19803025266 DE3025266A1 (de) 1979-07-04 1980-07-03 Festkoerper-blende mit fluessigkristallen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8484879A JPS569718A (en) 1979-07-04 1979-07-04 Electrochromic diaphragm device using liquid

Publications (1)

Publication Number Publication Date
JPS569718A true JPS569718A (en) 1981-01-31

Family

ID=13842214

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8484879A Pending JPS569718A (en) 1979-07-04 1979-07-04 Electrochromic diaphragm device using liquid

Country Status (3)

Country Link
US (1) US4422729A (ja)
JP (1) JPS569718A (ja)
DE (1) DE3025266A1 (ja)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017061258A1 (ja) * 2015-10-08 2017-04-13 富士フイルム株式会社 撮像装置
JP2017526949A (ja) * 2014-06-17 2017-09-14 セイジ・エレクトロクロミクス，インコーポレイテッド エレクトロクロミックデバイスの被制御スイッチング
WO2022196139A1 (ja) * 2021-03-15 2022-09-22 ソニーセミコンダクタソリューションズ株式会社 撮像装置および撮像システム

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3237217A1 (de) * 1982-10-07 1984-04-12 Siemens AG, 1000 Berlin und 8000 München Blende fuer optische systeme oder geraete
EP0109160A3 (en) * 1982-10-14 1986-04-09 The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Electronic displays
US4734558A (en) * 1983-05-16 1988-03-29 Nec Corporation Laser machining apparatus with controllable mask
US4640621A (en) * 1983-06-17 1987-02-03 Eastern Technical Associates, Inc. Transmissometer and optical elements therefor
US5304815A (en) * 1986-09-11 1994-04-19 Canon Kabushiki Kaisha Electron emission elements
US4878717A (en) * 1987-11-19 1989-11-07 Brown University Research Foundation Apparatus and method for rapidly constructing holograms
US6443637B1 (en) * 2000-03-15 2002-09-03 Eastman Kodak Company Camera with electrostatic light valve that functions as diaphragm
US6690500B2 (en) * 2000-06-30 2004-02-10 Pioneer Corporation Aberration correction apparatus and method
DE10155622A1 (de) * 2001-11-13 2003-05-28 Siemens Ag Lichterfassungsvorrichtung mit Belichtungssteuerung
US11243443B2 (en) * 2020-04-08 2022-02-08 The Boeing Company Electric iris

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966149A (ja) * 1972-10-25 1974-06-26
JPS5122397A (ja) * 1974-08-19 1976-02-23 Tokico Ltd Ekishohyojipaneru

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2329014C2 (de) * 1973-06-07 1983-04-28 Agfa-Gevaert Ag, 5090 Leverkusen Blendenanordnung mit mindestens einem Flüssigkristallelement
NL7405724A (nl) * 1974-04-29 1975-10-31 Philips Nv Weergeefinrichting voor een telwerk zoals een klok of horloge.
JPS5132098B2 (ja) * 1974-09-18 1976-09-10
FR2351550A1 (fr) * 1976-05-15 1977-12-09 Elliott Brothers London Ltd Systeme optique de visionnement
JPS5310297A (en) * 1976-07-16 1978-01-30 Sharp Corp Electrochromic display device
US4068927A (en) * 1976-09-01 1978-01-17 North American Philips Corporation Electrophoresis display with buried lead lines
DE2816851A1 (de) * 1978-04-18 1979-10-31 Agfa Gevaert Ag Fotografische kamera mit einer blendenanordnung aus ferroelektrischem material oder aus fluessigkristall
JPS54152998A (en) * 1978-05-24 1979-12-01 Seiko Epson Corp Matrix electrode structure
IL55032A (en) * 1978-06-29 1984-05-31 Stolov Michael Color picture display system including electronically controlled slides
JPS55166616A (en) * 1979-06-14 1980-12-25 Canon Inc Electrochromic diaphragm device
DE2949561A1 (de) * 1979-12-10 1981-06-11 Siemens AG, 1000 Berlin und 8000 München Analoge spannungsanzeige mit fluessigkristallen

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4966149A (ja) * 1972-10-25 1974-06-26
JPS5122397A (ja) * 1974-08-19 1976-02-23 Tokico Ltd Ekishohyojipaneru

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017526949A (ja) * 2014-06-17 2017-09-14 セイジ・エレクトロクロミクス，インコーポレイテッド エレクトロクロミックデバイスの被制御スイッチング
WO2017061258A1 (ja) * 2015-10-08 2017-04-13 富士フイルム株式会社 撮像装置
WO2022196139A1 (ja) * 2021-03-15 2022-09-22 ソニーセミコンダクタソリューションズ株式会社 撮像装置および撮像システム

Also Published As

Publication number Publication date
US4422729A (en) 1983-12-27
DE3025266A1 (de) 1981-02-12

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