FR858682A - Systèmes de communication de télévision - Google Patents
Systèmes de communication de télévisionInfo
- Publication number
- FR858682A FR858682A FR858682DA FR858682A FR 858682 A FR858682 A FR 858682A FR 858682D A FR858682D A FR 858682DA FR 858682 A FR858682 A FR 858682A
- Authority
- FR
- France
- Prior art keywords
- communication systems
- television communication
- television
- systems
- communication
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
- H01J29/02—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof
- H01J29/10—Screens on or from which an image or pattern is formed, picked up, converted or stored
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J29/00—Details of cathode-ray tubes or of electron-beam tubes of the types covered by group H01J31/00
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J31/00—Cathode ray tubes; Electron beam tubes
- H01J31/08—Cathode ray tubes; Electron beam tubes having a screen on or from which an image or pattern is formed, picked up, converted, or stored
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N7/00—Television systems
- H04N7/14—Systems for two-way working
- H04N7/141—Systems for two-way working between two video terminals, e.g. videophone
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Electric Information Into Light Information (AREA)
- Studio Circuits (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US184407A US2157749A (en) | 1938-01-11 | 1938-01-11 | Method and system for television communication |
FR858682T | 1939-03-14 | ||
GB8178/39A GB526364A (en) | 1938-01-11 | 1939-03-14 | Methods and systems for television communications |
Publications (1)
Publication Number | Publication Date |
---|---|
FR858682A true FR858682A (fr) | 1940-11-30 |
Family
ID=9847330
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR858682D Expired FR858682A (fr) | 1938-01-11 | 1939-03-14 | Systèmes de communication de télévision |
Country Status (3)
Country | Link |
---|---|
US (1) | US2157749A (fr) |
FR (1) | FR858682A (fr) |
GB (1) | GB526364A (fr) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
BE470043A (fr) * | 1945-09-24 | |||
US2520507A (en) * | 1947-07-29 | 1950-08-29 | Rauland Corp | Kinescope for simultaneously picking up an object and presenting an image |
US2537173A (en) * | 1948-02-19 | 1951-01-09 | Rauland Corp | Television intercommunication system |
US2705764A (en) * | 1950-02-25 | 1955-04-05 | Rca Corp | Dual-area target electrodes and methods of making the same |
US2891108A (en) * | 1953-08-03 | 1959-06-16 | Reed C Lawlor | Aerial reconnaissance system |
US3447023A (en) * | 1965-04-20 | 1969-05-27 | Tokyo Shibaura Electric Co | Electron tube for both transmission and reception of visual information |
-
1938
- 1938-01-11 US US184407A patent/US2157749A/en not_active Expired - Lifetime
-
1939
- 1939-03-14 FR FR858682D patent/FR858682A/fr not_active Expired
- 1939-03-14 GB GB8178/39A patent/GB526364A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2157749A (en) | 1939-05-09 |
GB526364A (en) | 1940-09-17 |
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