FR644240A - Methods and devices for making television - Google Patents
Methods and devices for making televisionInfo
- Publication number
- FR644240A FR644240A FR644240DA FR644240A FR 644240 A FR644240 A FR 644240A FR 644240D A FR644240D A FR 644240DA FR 644240 A FR644240 A FR 644240A
- Authority
- FR
- France
- Prior art keywords
- methods
- devices
- making television
- television
- making
- 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
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
- G02F1/07—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 electro-optical liquids exhibiting Kerr effect
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N3/00—Scanning details of television systems; Combination thereof with generation of supply voltages
- H04N3/10—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical
Landscapes
- Physics & Mathematics (AREA)
- Nonlinear Science (AREA)
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Light Control Or Optical Switches (AREA)
- Spectrometry And Color Measurement (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR538297X | 1927-04-26 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR644240A true FR644240A (en) | 1928-10-04 |
Family
ID=8928099
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR644240D Expired FR644240A (en) | 1927-04-26 | 1927-04-26 | Methods and devices for making television |
Country Status (5)
Country | Link |
---|---|
US (1) | US2247051A (en) |
BE (1) | BE350608A (en) |
DE (2) | DE538297C (en) |
FR (1) | FR644240A (en) |
GB (1) | GB289416A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2591701A (en) * | 1947-10-15 | 1952-04-08 | Brush Dev Co | Electrical light-transmission controlling arrangement |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE865004C (en) * | 1937-08-25 | 1953-01-29 | Interessengemeinschaft Fuer Ru | Arrangement for the reproduction of a television picture, the individual elements of which are transmitted on different carrier waves |
DE877621C (en) * | 1938-10-20 | 1953-05-26 | Interessengemeinschaft Fuer Ru | Method for the transmission of moving images |
US2766659A (en) * | 1950-12-11 | 1956-10-16 | Clevite Corp | Device for controlling light intensity |
US3235799A (en) * | 1954-12-27 | 1966-02-15 | Hurvitz Hyman | Electroluminescent frequency sensitive visual indicator |
US3145355A (en) * | 1961-09-20 | 1964-08-18 | Lab For Electronics Inc | Variable ultrasonic delay line |
-
0
- BE BE350608D patent/BE350608A/xx unknown
-
1927
- 1927-04-26 FR FR644240D patent/FR644240A/en not_active Expired
-
1928
- 1928-04-24 DE DEC41404D patent/DE538297C/en not_active Expired
- 1928-04-26 GB GB12303/28A patent/GB289416A/en not_active Expired
-
1930
- 1930-09-21 DE DE1930599442D patent/DE599442C/en not_active Expired
-
1938
- 1938-04-23 US US272319A patent/US2247051A/en not_active Expired - Lifetime
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2591701A (en) * | 1947-10-15 | 1952-04-08 | Brush Dev Co | Electrical light-transmission controlling arrangement |
Also Published As
Publication number | Publication date |
---|---|
BE350608A (en) | |
US2247051A (en) | 1941-06-24 |
GB289416A (en) | 1929-07-04 |
DE538297C (en) | 1931-11-12 |
DE599442C (en) | 1934-07-02 |
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