GB791486A - Improvements in or relating to cathode-ray tubes - Google Patents
Improvements in or relating to cathode-ray tubesInfo
- Publication number
- GB791486A GB791486A GB14415/56A GB1441556A GB791486A GB 791486 A GB791486 A GB 791486A GB 14415/56 A GB14415/56 A GB 14415/56A GB 1441556 A GB1441556 A GB 1441556A GB 791486 A GB791486 A GB 791486A
- Authority
- GB
- United Kingdom
- Prior art keywords
- gun
- control electrode
- luminescent material
- principal lens
- operating
- 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
- 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
- H01J31/10—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes
- H01J31/20—Image or pattern display tubes, i.e. having electrical input and optical output; Flying-spot tubes for scanning purposes for displaying images or patterns in two or more colours
Landscapes
- Video Image Reproduction Devices For Color Tv Systems (AREA)
- Cathode-Ray Tubes And Fluorescent Screens For Display (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL791486X | 1955-05-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB791486A true GB791486A (en) | 1958-03-05 |
Family
ID=19834422
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB14415/56A Expired GB791486A (en) | 1955-05-12 | 1956-05-09 | Improvements in or relating to cathode-ray tubes |
Country Status (6)
Country | Link |
---|---|
US (1) | US2825847A (fr) |
BE (1) | BE547784A (fr) |
DE (1) | DE1009227B (fr) |
FR (1) | FR1153894A (fr) |
GB (1) | GB791486A (fr) |
NL (1) | NL197194A (fr) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1444190A (fr) * | 1965-05-20 | 1966-07-01 | Cft Comp Fse Television | Perfectionnements aux tubes récepteurs de télévision en couleurs |
US3571643A (en) * | 1967-09-20 | 1971-03-23 | Sony Corp | Plural beam electron gun for a color picture tube with different-sized control grid apertures |
NL161916C (nl) * | 1968-04-14 | 1980-03-17 | Sony Corp | Elektronenstraalbuis met een enkelvoudig elektronenkanon voor het opwekken van drie elektronenbundels, alsmede beeldweergeefinrichting voorzien van een dergelijke elektronenstraalbuis. |
US3619686A (en) * | 1969-03-07 | 1971-11-09 | Sony Corp | Color cathode-ray tube with in-line plural electron sources and central section of common grid protruding toward central source |
NL7902159A (nl) * | 1979-03-20 | 1980-09-23 | Philips Nv | Kleurentelevisiebeeldbuis. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2672574A (en) * | 1952-03-19 | 1954-03-16 | Rca Corp | Magnetic beam controlling system |
NL181409B (nl) * | 1952-09-17 | Nitto Electric Ind Co | Werkwijze ter vervaardiging van een selectief permeabel membraan. |
-
0
- NL NL197194D patent/NL197194A/xx unknown
- BE BE547784D patent/BE547784A/xx unknown
-
1956
- 1956-04-27 US US581109A patent/US2825847A/en not_active Expired - Lifetime
- 1956-05-08 DE DEN12216A patent/DE1009227B/de active Pending
- 1956-05-09 GB GB14415/56A patent/GB791486A/en not_active Expired
- 1956-05-11 FR FR1153894D patent/FR1153894A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE1009227B (de) | 1957-05-29 |
US2825847A (en) | 1958-03-04 |
NL197194A (fr) | |
BE547784A (fr) | |
FR1153894A (fr) | 1958-03-28 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US2957106A (en) | Plural beam gun | |
US2457175A (en) | Projection cathode-ray tube | |
US4178532A (en) | Electron guns for use in cathode ray tubes | |
US2726347A (en) | Multiple-beam electron gun | |
US3890541A (en) | Cathode ray tube apparatus | |
GB791486A (en) | Improvements in or relating to cathode-ray tubes | |
US2685660A (en) | Television tube | |
US3603839A (en) | Color television picture tube of the single electron gun type | |
GB721571A (en) | Cathode ray tube utilizing a plurality of electron beams | |
US4061941A (en) | CRT electron gun assembly | |
US4904898A (en) | Monochrome cathode ray tube electron gun with high voltage electrode lens | |
US2227033A (en) | Electron optical system | |
US2953635A (en) | Device for reproducing color television images | |
US2790930A (en) | Color television image tube and system therefor | |
US2926283A (en) | Colour-television cathode-ray tube | |
US3340421A (en) | Cathode ray tube having metallic layer of non-uniform thickness | |
US2738440A (en) | Television pick-up tubes and television transmitting apparatus incorporating the same | |
US5639330A (en) | Method of making an image display element | |
US2755413A (en) | Gas filled projector tubes for television | |
GB495707A (en) | Improvements in or relating to focussing systems for use in electric discharge tubes | |
GB475047A (en) | Improvements in or relating to electron discharge devices | |
US3032608A (en) | Color tube potential switching between color and monochrome reproduction | |
US3558968A (en) | Color television picture tube of the single electron gun type | |
US2782333A (en) | Shortened triple gun for color television | |
US3681645A (en) | Cathode-ray character-display tube |