BE752272A - Obturateur de lumiere - Google Patents

Obturateur de lumiere

Info

Publication number
BE752272A
BE752272A BE752272DA BE752272A BE 752272 A BE752272 A BE 752272A BE 752272D A BE752272D A BE 752272DA BE 752272 A BE752272 A BE 752272A
Authority
BE
Belgium
Prior art keywords
light shutter
shutter
light
Prior art date
Application number
Other languages
English (en)
French (fr)
Inventor
J R Maldonado
A H Meitzler
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of BE752272A publication Critical patent/BE752272A/xx

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 
    • G02F1/03—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect
    • G02F1/055—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 ceramics or electro-optical crystals, e.g. exhibiting Pockels effect or Kerr effect the active material being a ceramic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01G—CAPACITORS; CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES, LIGHT-SENSITIVE OR TEMPERATURE-SENSITIVE DEVICES OF THE ELECTROLYTIC TYPE
    • H01G7/00—Capacitors in which the capacitance is varied by non-mechanical means; Processes of their manufacture
    • H01G7/02—Electrets, i.e. having a permanently-polarised dielectric
    • H01G7/025—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric
    • H01G7/026—Electrets, i.e. having a permanently-polarised dielectric having an inorganic dielectric with ceramic dielectric

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Power Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Inorganic Chemistry (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Lasers (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
BE752272D 1969-06-23 1970-06-19 Obturateur de lumiere BE752272A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83568769A 1969-06-23 1969-06-23

Publications (1)

Publication Number Publication Date
BE752272A true BE752272A (fr) 1970-12-01

Family

ID=25270204

Family Applications (1)

Application Number Title Priority Date Filing Date
BE752272D BE752272A (fr) 1969-06-23 1970-06-19 Obturateur de lumiere

Country Status (8)

Country Link
US (1) US3612656A (xx)
JP (1) JPS4929591B1 (xx)
BE (1) BE752272A (xx)
DE (1) DE2030302A1 (xx)
FR (1) FR2047036A1 (xx)
GB (1) GB1313608A (xx)
NL (1) NL7008941A (xx)
SE (1) SE353609B (xx)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS552852B2 (xx) * 1972-07-31 1980-01-22
JPS5315628B2 (xx) * 1973-04-06 1978-05-26
JPS506369A (xx) * 1973-05-16 1975-01-23
US4091279A (en) * 1976-03-23 1978-05-23 The United States Of America As Represented By The Secretary Of The Air Force Method and means for equalizing the sensitivity of a multi-element sensor array
US4158201A (en) * 1977-10-18 1979-06-12 The Singer Company Flat electro optic display panel and method of using same
US4636786A (en) * 1982-12-20 1987-01-13 Motorola, Inc. Electrooptic ceramic display and method for making same
US4902111A (en) * 1987-10-27 1990-02-20 Minolta Camera Kabushiki Kaisha Method and device for driving electro-optical light shutter array

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3401267A (en) * 1964-06-26 1968-09-10 Milton A. Engle Yarn breakage detector
US3499112A (en) * 1967-03-31 1970-03-03 Rca Corp Electro-optical device

Also Published As

Publication number Publication date
GB1313608A (en) 1973-04-18
FR2047036A1 (xx) 1971-03-12
JPS4929591B1 (xx) 1974-08-06
NL7008941A (xx) 1970-12-28
SE353609B (xx) 1973-02-05
DE2030302A1 (de) 1971-02-04
US3612656A (en) 1971-10-12

Similar Documents

Publication Publication Date Title
BE764400A (fr) Guides de lumiere
BE755563A (fr) Dispositif de filtrage variable de lumiere
CH534374A (de) Lichtempfindliche Zubereitung
BR7019559D0 (pt) Projeteis luminosos
BE756085A (de) Spectraal gesensibiliseerd fotografisch materiaal
BE752272A (fr) Obturateur de lumiere
AT280775B (de) Photographischer Objektivverschluß
BE747426A (fr) Lampe-eclair
FR2073545A5 (fr) Projecteur cinematographique
CH503884A (de) Rolladen
AT300115B (de) Rasterleuchte
AT308702B (de) Optische Aufhellung
BE756258A (fr) Projecteur
BE759538A (fr) Elements optiques
AT323202B (de) Lichtsetzmaschine
AT302613B (de) Rolladenkasten
CH517950A (de) Optisches Projektionsgerät
NL163330C (nl) Diafragmasluiter.
BE744054A (fr) Diffuseurs de lumiere
BE749373A (de) Verbeterd fotografisch kleurenmateriaal
CH481389A (fr) Caméra cinématographique
AR199543A1 (es) Camara fotografica
CH519641A (de) Lichtkuppel
CH477701A (fr) Caméra cinématographique
CH518560A (de) Lichtstarkes Projektionsobjektiv