GB505490A - Improvements in or relating to cathode ray tube television and like apparatus - Google Patents
Improvements in or relating to cathode ray tube television and like apparatusInfo
- Publication number
- GB505490A GB505490A GB27557/37A GB2755737A GB505490A GB 505490 A GB505490 A GB 505490A GB 27557/37 A GB27557/37 A GB 27557/37A GB 2755737 A GB2755737 A GB 2755737A GB 505490 A GB505490 A GB 505490A
- Authority
- GB
- United Kingdom
- Prior art keywords
- valve
- scanning
- cathode
- ray tube
- current
- 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
- 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
- H04N3/16—Scanning details of television systems; Combination thereof with generation of supply voltages by means not exclusively optical-mechanical by deflecting electron beam in cathode-ray tube, e.g. scanning corrections
- H04N3/20—Prevention of damage to cathode-ray tubes in the event of failure of scanning
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Details Of Television Scanning (AREA)
- Particle Accelerators (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB27557/37A GB505490A (en) | 1937-10-11 | 1937-10-11 | Improvements in or relating to cathode ray tube television and like apparatus |
US233926A US2222426A (en) | 1937-10-11 | 1938-10-08 | Cathode ray tube television and like apparatus |
FR844613D FR844613A (fr) | 1937-10-11 | 1938-10-11 | Perfectionnements aux tubes à rayon cathodique pour télévision et aux appareils analogues |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB27557/37A GB505490A (en) | 1937-10-11 | 1937-10-11 | Improvements in or relating to cathode ray tube television and like apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB505490A true GB505490A (en) | 1939-05-11 |
Family
ID=10261534
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB27557/37A Expired GB505490A (en) | 1937-10-11 | 1937-10-11 | Improvements in or relating to cathode ray tube television and like apparatus |
Country Status (3)
Country | Link |
---|---|
US (1) | US2222426A (fr) |
FR (1) | FR844613A (fr) |
GB (1) | GB505490A (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2492674A (en) * | 1945-12-20 | 1949-12-27 | Sylvania Electric Prod | Cathode-ray tube circuits |
US2449169A (en) * | 1946-06-04 | 1948-09-14 | Rca Corp | Deflecting circuits |
US2514079A (en) * | 1948-10-26 | 1950-07-04 | Rca Corp | Power supply interlock system |
US2577848A (en) * | 1950-02-16 | 1951-12-11 | Rca Corp | Protective circuit |
US2810858A (en) * | 1954-06-14 | 1957-10-22 | Itt | Protective circuit |
US2808536A (en) * | 1954-11-18 | 1957-10-01 | Rca Corp | Cathode ray tube protecting and energizing circuits |
US2846616A (en) * | 1954-12-08 | 1958-08-05 | Philips Corp | Circuit-arrangement protecting the cathode-ray tube of television receivers |
US2860283A (en) * | 1956-03-07 | 1958-11-11 | Isaac S Blonder | Electronic protective system |
US3090889A (en) * | 1960-05-03 | 1963-05-21 | Bell Telephone Labor Inc | Electron beam intensity control circuit |
DE1209174B (de) * | 1963-05-30 | 1966-01-20 | Fernseh Gmbh | Wechselrichterschaltung mit Transistoren |
US3402316A (en) * | 1966-09-29 | 1968-09-17 | Sylvania Electric Prod | Flux switch protective system for electrical apparatus |
US3384780A (en) * | 1966-11-07 | 1968-05-21 | Sun Electric Corp | Slave oscilloscope remotely activated by master oscilloscope |
US3873888A (en) * | 1974-03-27 | 1975-03-25 | Rca Corp | Liquid crystal protection circuit |
-
1937
- 1937-10-11 GB GB27557/37A patent/GB505490A/en not_active Expired
-
1938
- 1938-10-08 US US233926A patent/US2222426A/en not_active Expired - Lifetime
- 1938-10-11 FR FR844613D patent/FR844613A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US2222426A (en) | 1940-11-19 |
FR844613A (fr) | 1939-07-28 |
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