FR2174706B1 - - Google Patents
Info
- Publication number
- FR2174706B1 FR2174706B1 FR7207976A FR7207976A FR2174706B1 FR 2174706 B1 FR2174706 B1 FR 2174706B1 FR 7207976 A FR7207976 A FR 7207976A FR 7207976 A FR7207976 A FR 7207976A FR 2174706 B1 FR2174706 B1 FR 2174706B1
- Authority
- FR
- France
- 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
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/16—Picture reproducers using cathode ray tubes
- H04N9/22—Picture reproducers using cathode ray tubes using the same beam for more than one primary colour information
-
- 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
- G02F1/137—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering
- G02F1/139—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent
- G02F1/1393—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 characterised by the electro-optical or magneto-optical effect, e.g. field-induced phase transition, orientation effect, guest-host interaction or dynamic scattering based on orientation effects in which the liquid crystal remains transparent the birefringence of the liquid crystal being electrically controlled, e.g. ECB-, DAP-, HAN-, PI-LC cells
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N11/00—Colour television systems
- H04N11/06—Transmission systems characterised by the manner in which the individual colour picture signal components are combined
- H04N11/20—Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards
- H04N11/22—Conversion of the manner in which the individual colour picture signal components are combined, e.g. conversion of colour television standards in which simultaneous signals are converted into sequential signals or vice versa
-
- 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
- G02F2203/34—Colour display without the use of colour mosaic filters
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Nonlinear Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Crystallography & Structural Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Liquid Crystal (AREA)
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Devices For Indicating Variable Information By Combining Individual Elements (AREA)
- Color Television Image Signal Generators (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7207976A FR2174706B1 (en) | 1972-03-08 | 1972-03-08 | |
GB954573A GB1373894A (en) | 1972-03-08 | 1973-02-27 | Colour television system which utilizes liquid crystal filters |
JP48026895A JPS491132A (en) | 1972-03-08 | 1973-03-07 | |
IT6761573A IT980502B (en) | 1972-03-08 | 1973-03-07 | COLOR TELEVISION SYSTEM USING LIQUID CRYSTAL FILTERS |
DE19732311548 DE2311548A1 (en) | 1972-03-08 | 1973-03-08 | COLOR TELEVISION SYSTEM |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7207976A FR2174706B1 (en) | 1972-03-08 | 1972-03-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2174706A1 FR2174706A1 (en) | 1973-10-19 |
FR2174706B1 true FR2174706B1 (en) | 1978-03-03 |
Family
ID=9094818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7207976A Expired FR2174706B1 (en) | 1972-03-08 | 1972-03-08 |
Country Status (5)
Country | Link |
---|---|
JP (1) | JPS491132A (en) |
DE (1) | DE2311548A1 (en) |
FR (1) | FR2174706B1 (en) |
GB (1) | GB1373894A (en) |
IT (1) | IT980502B (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2284237A1 (en) * | 1974-09-06 | 1976-04-02 | Thomson Csf | COLOR IMAGE TELEPROJECTION AND TELEPROGRAPHY DEVICE |
DE2452392A1 (en) * | 1974-11-05 | 1976-05-06 | Licentia Gmbh | Reproduction system for colour images - involves cathode-ray tube with only one electron beam and optical filter arrangement |
JPS5378940A (en) * | 1976-12-23 | 1978-07-12 | Nippon Electric Co | Partial plating method |
JPS53122631A (en) * | 1977-03-31 | 1978-10-26 | Sumitomo Metal Ind Ltd | Method of and device for continuous electroplating one surface of strip |
GB2034900B (en) * | 1978-11-17 | 1982-10-20 | Marconi Instruments Ltd | Spectrum analyser |
JPH0244303Y2 (en) * | 1979-01-29 | 1990-11-26 | ||
JPS5897022A (en) * | 1981-12-04 | 1983-06-09 | Yokogawa Hokushin Electric Corp | Color optical modulator |
US4635051A (en) * | 1983-09-26 | 1987-01-06 | Tektronix, Inc. | High-speed electro-optical light gate and field sequential full color display system incorporating same |
US4613207A (en) * | 1984-05-08 | 1986-09-23 | Manchester R & D Partnership | Liquid crystal projector and method |
JPH0466692A (en) * | 1990-07-06 | 1992-03-03 | Nippon Avionics Co Ltd | Method for plating one side surface of metal plate and holding table |
GB2277654B (en) * | 1993-04-27 | 1997-12-03 | Yang Tai Her | Colour television system |
-
1972
- 1972-03-08 FR FR7207976A patent/FR2174706B1/fr not_active Expired
-
1973
- 1973-02-27 GB GB954573A patent/GB1373894A/en not_active Expired
- 1973-03-07 IT IT6761573A patent/IT980502B/en active
- 1973-03-07 JP JP48026895A patent/JPS491132A/ja active Pending
- 1973-03-08 DE DE19732311548 patent/DE2311548A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2311548A1 (en) | 1973-09-27 |
IT980502B (en) | 1974-10-10 |
GB1373894A (en) | 1974-11-13 |
JPS491132A (en) | 1974-01-08 |
FR2174706A1 (en) | 1973-10-19 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |