GB673368A - Improvements in scanning devices for television transmitters - Google Patents
Improvements in scanning devices for television transmittersInfo
- Publication number
- GB673368A GB673368A GB11810/49A GB1181049A GB673368A GB 673368 A GB673368 A GB 673368A GB 11810/49 A GB11810/49 A GB 11810/49A GB 1181049 A GB1181049 A GB 1181049A GB 673368 A GB673368 A GB 673368A
- Authority
- GB
- United Kingdom
- Prior art keywords
- signals
- target
- scanning
- photo
- cathode
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/56—Arrangements for controlling cross-section of ray or beam; Arrangements for correcting aberration of beam, e.g. due to lenses
-
- 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
- H01J29/021—Electrodes; Screens; Mounting, supporting, spacing or insulating thereof arrangements for eliminating interferences in the tube
-
- 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
- H01J29/46—Arrangements of electrodes and associated parts for generating or controlling the ray or beam, e.g. electron-optical arrangement
- H01J29/80—Arrangements for controlling the ray or beam after passing the main deflection system, e.g. for post-acceleration or post-concentration, for colour switching
-
- 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
-
- 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
- H04N3/22—Circuits for controlling dimensions, shape or centering of picture on screen
- H04N3/23—Distortion correction, e.g. for pincushion distortion correction, S-correction
- H04N3/233—Distortion correction, e.g. for pincushion distortion correction, S-correction using active elements
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR673368X | 1948-05-08 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB673368A true GB673368A (en) | 1952-06-04 |
Family
ID=9018076
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB11810/49A Expired GB673368A (en) | 1948-05-08 | 1949-05-03 | Improvements in scanning devices for television transmitters |
Country Status (3)
Country | Link |
---|---|
US (1) | US2582014A (pt) |
GB (1) | GB673368A (pt) |
NL (2) | NL142081B (pt) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2700742A (en) * | 1951-08-07 | 1955-01-25 | Rca Corp | Deflection system for cathode-ray tubes |
BE521392A (pt) * | 1952-07-16 | |||
US2682012A (en) * | 1952-09-08 | 1954-06-22 | Rca Corp | Television raster distortion correction |
US2906919A (en) * | 1955-12-27 | 1959-09-29 | Gen Electric | Deflection circuit |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1773980A (en) * | 1927-01-07 | 1930-08-26 | Television Lab Inc | Television system |
FR743576A (pt) * | 1931-10-06 | 1933-04-01 | ||
GB429427A (en) * | 1932-11-04 | 1935-05-30 | Loewe Opta Gmbh | Arrangement for producing relaxation oscillations, more particularly for television purposes |
US2248556A (en) * | 1937-06-21 | 1941-07-08 | Loewe Radio Inc | Interlaced line method |
US2310197A (en) * | 1940-12-21 | 1943-02-02 | Rca Corp | Television system |
US2425491A (en) * | 1943-06-22 | 1947-08-12 | Rca Corp | Deflection circuit |
US2477557A (en) * | 1945-08-11 | 1949-07-26 | Rca Corp | Power conservation system |
-
0
- NL NL78390D patent/NL78390C/xx active
- NL NL646405256A patent/NL142081B/xx unknown
-
1949
- 1949-05-03 GB GB11810/49A patent/GB673368A/en not_active Expired
- 1949-05-04 US US91242A patent/US2582014A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NL78390C (pt) | |
US2582014A (en) | 1952-01-08 |
NL142081B (nl) |
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