JPS55127516A - Electric control type* adjustable light attenuator - Google Patents

Electric control type* adjustable light attenuator

Info

Publication number
JPS55127516A
JPS55127516A JP3631280A JP3631280A JPS55127516A JP S55127516 A JPS55127516 A JP S55127516A JP 3631280 A JP3631280 A JP 3631280A JP 3631280 A JP3631280 A JP 3631280A JP S55127516 A JPS55127516 A JP S55127516A
Authority
JP
Japan
Prior art keywords
electric control
control type
adjustable light
light attenuator
attenuator
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
JP3631280A
Other languages
English (en)
Japanese (ja)
Inventor
Aren Mishieru
Ru Beeru Serujie
Supitsutsu Eritsuku
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.)
Thales SA
Original Assignee
Thomson CSF 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 Thomson CSF SA filed Critical Thomson CSF SA
Publication of JPS55127516A publication Critical patent/JPS55127516A/ja
Pending legal-status Critical Current

Links

Classifications

    • 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 
    • 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 
    • G02F1/21—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  by interference
    • 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
    • G02F2203/00—Function characteristic
    • G02F2203/48—Variable attenuator

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Liquid Crystal (AREA)
JP3631280A 1979-03-23 1980-03-24 Electric control type* adjustable light attenuator Pending JPS55127516A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7907387A FR2452122A1 (fr) 1979-03-23 1979-03-23 Dispositif optique attenuateur reglable a commande electrique et appareil de prise de vue comportant ce dispositif

Publications (1)

Publication Number Publication Date
JPS55127516A true JPS55127516A (en) 1980-10-02

Family

ID=9223492

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3631280A Pending JPS55127516A (en) 1979-03-23 1980-03-24 Electric control type* adjustable light attenuator

Country Status (3)

Country Link
EP (1) EP0017528A1 (cg-RX-API-DMAC10.html)
JP (1) JPS55127516A (cg-RX-API-DMAC10.html)
FR (1) FR2452122A1 (cg-RX-API-DMAC10.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015176050A (ja) * 2014-03-17 2015-10-05 株式会社光学技研 全反射型偏光子

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5919221A (en) * 1997-04-22 1999-07-06 Medtronic, Inc Method and apparatus for calibrating pacemaker pressure sensor lead prior to chronic implant
WO2002044800A2 (en) * 2000-11-02 2002-06-06 Cambridge Research & Instrumentation, Inc. Folded liquid-crystal variable optical attenuator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3383460A (en) * 1965-08-25 1968-05-14 Rca Corp Light beam modulation and combination apparatus
US3430048A (en) * 1965-12-17 1969-02-25 Bell Telephone Labor Inc Optical pulse generator
US3495892A (en) * 1966-01-21 1970-02-17 Rca Corp Split beam light modulator
US3684350A (en) * 1970-08-17 1972-08-15 Westinghouse Electric Corp Light beam polarization modulator
US3719414A (en) * 1970-08-28 1973-03-06 Westinghouse Electric Corp Polarization independent light modulation means using birefringent crystals
IT946051B (it) * 1970-12-04 1973-05-21 Hoffmann La Roche Cellula ottica
GB1409711A (en) * 1971-06-08 1975-10-15 Redifon Ltd Optical systems

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015176050A (ja) * 2014-03-17 2015-10-05 株式会社光学技研 全反射型偏光子

Also Published As

Publication number Publication date
FR2452122A1 (fr) 1980-10-17
FR2452122B1 (cg-RX-API-DMAC10.html) 1982-10-22
EP0017528A1 (fr) 1980-10-15

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