BE752272A - Obturateur de lumiere - Google Patents
Obturateur de lumiereInfo
- 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
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)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Lasers (AREA)
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)
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)
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 |
-
1969
- 1969-06-23 US US835687A patent/US3612656A/en not_active Expired - Lifetime
-
1970
- 1970-06-11 SE SE08126/70A patent/SE353609B/xx unknown
- 1970-06-18 NL NL7008941A patent/NL7008941A/xx unknown
- 1970-06-19 BE BE752272D patent/BE752272A/xx unknown
- 1970-06-19 DE DE19702030302 patent/DE2030302A1/de active Pending
- 1970-06-19 FR FR7022858A patent/FR2047036A1/fr not_active Withdrawn
- 1970-06-22 JP JP45053579A patent/JPS4929591B1/ja active Pending
- 1970-06-23 GB GB3034070A patent/GB1313608A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3612656A (en) | 1971-10-12 |
GB1313608A (en) | 1973-04-18 |
DE2030302A1 (de) | 1971-02-04 |
SE353609B (xx) | 1973-02-05 |
FR2047036A1 (xx) | 1971-03-12 |
NL7008941A (xx) | 1970-12-28 |
JPS4929591B1 (xx) | 1974-08-06 |
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 |