FR863453A - Tube à rayon cathodique - Google Patents

Tube à rayon cathodique

Info

Publication number
FR863453A
FR863453A FR863453DA FR863453A FR 863453 A FR863453 A FR 863453A FR 863453D A FR863453D A FR 863453DA FR 863453 A FR863453 A FR 863453A
Authority
FR
France
Prior art keywords
ray tube
cathode ray
cathode
tube
ray
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.)
Expired
Application number
Other languages
English (en)
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.)
RCA Corp
Original Assignee
RCA Corp
Radio Corporation of America
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 RCA Corp, Radio Corporation of America filed Critical RCA Corp
Application granted granted Critical
Publication of FR863453A publication Critical patent/FR863453A/fr
Expired 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 
    • G02F1/17—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169
    • G02F1/172—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 variable-absorption elements not provided for in groups G02F1/015 - G02F1/169 based on a suspension of orientable dipolar particles, e.g. suspended particles displays
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N5/00—Details of television systems
    • H04N5/74—Projection arrangements for image reproduction, e.g. using eidophor
    • H04N5/7416—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal
    • H04N5/7425—Projection arrangements for image reproduction, e.g. using eidophor involving the use of a spatial light modulator, e.g. a light valve, controlled by a video signal the modulator being a dielectric deformable layer controlled by an electron beam, e.g. eidophor projector

Landscapes

  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
FR863453D 1939-02-17 1940-02-16 Tube à rayon cathodique Expired FR863453A (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US256833A US2290581A (en) 1939-02-17 1939-02-17 Light valve
US447614A US2366319A (en) 1939-02-17 1942-06-19 Electron discharge device and method of manufacture

Publications (1)

Publication Number Publication Date
FR863453A true FR863453A (fr) 1941-04-02

Family

ID=26945611

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863453D Expired FR863453A (fr) 1939-02-17 1940-02-16 Tube à rayon cathodique

Country Status (2)

Country Link
US (2) US2290581A (fr)
FR (1) FR863453A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730009A (en) * 1951-03-28 1956-01-10 Marocaine D Achats Et De Const Photo-electric exposure meters
DE19641306A1 (de) * 1996-10-08 1998-04-09 Johann Schmidt Einweg-Toilettenbrillen-Auflage

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2464420A (en) * 1943-12-31 1949-03-15 Rca Corp Storage type cathode-ray tube
US2515263A (en) * 1944-02-24 1950-07-18 Raibourn Paul Communication system
US2472988A (en) * 1944-10-28 1949-06-14 Scophony Corp Of America Apparatus for reproducing electric signals, particularly television reproducers
US2481621A (en) * 1945-05-02 1949-09-13 Skiatron Corp Light modulation by cathode-ray orientation of liquid-suspended particles
US2584441A (en) * 1946-05-03 1952-02-05 Rca Corp Viewing screen
US2495697A (en) * 1946-06-08 1950-01-31 Chilowsky Constantin Method and apparatus for intensifying electronic images
US2804803A (en) * 1947-04-25 1957-09-03 Pye Ltd Variable color filter for color television
US2543093A (en) * 1948-12-28 1951-02-27 Tung Sol Lamp Works Inc Electric lamp
NL85244C (fr) * 1950-01-19
BE504758A (fr) * 1950-07-20
US2890363A (en) * 1954-08-16 1959-06-09 Aronstein Robert Method and apparatus for image reproduction
US3040625A (en) * 1958-09-12 1962-06-26 Westinghouse Electric Corp Beam scanning apparatus
US3257903A (en) * 1960-11-21 1966-06-28 Alvin M Marks Electrically responsive light controlling devices employing suspended dipole particles and shear forces
US3218390A (en) * 1961-12-27 1965-11-16 Bramley Jenny Optical system for the utilization of coherent light
US3424863A (en) * 1964-09-29 1969-01-28 Gen Electric Light valve
US3322482A (en) * 1965-04-12 1967-05-30 James V Harmon Panel for controlling light transmission by the selective orientation of free particles
US3816786A (en) * 1968-02-23 1974-06-11 Ncr Display device comprising a profusion of naked droplets of cholesteric liquid crystal in a substantially continuous polymeric matrix
US3788729A (en) * 1972-04-28 1974-01-29 Research Frontiers Inc Thermal convection flow light valve
US4072411A (en) * 1976-05-03 1978-02-07 Eastman Kodak Company Display device having image sense reversal capability
US4212519A (en) * 1978-03-01 1980-07-15 Eastman Kodak Company Light control device and fabrication methods therefor
US5409734A (en) * 1992-01-10 1995-04-25 Hankuk Glass Industries, Inc. Making liquid suspension type light valve film
KR102151969B1 (ko) 2019-12-11 2020-09-04 주식회사 지투비 투과도 가변창의 제조방법 및 그에 의해 제조된 투과도 가변창

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2730009A (en) * 1951-03-28 1956-01-10 Marocaine D Achats Et De Const Photo-electric exposure meters
DE19641306A1 (de) * 1996-10-08 1998-04-09 Johann Schmidt Einweg-Toilettenbrillen-Auflage

Also Published As

Publication number Publication date
US2290581A (en) 1942-07-21
US2366319A (en) 1945-01-02

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