GB626989A - Improvements in or relating to cathode ray tube apparatus - Google Patents
Improvements in or relating to cathode ray tube apparatusInfo
- Publication number
- GB626989A GB626989A GB337347A GB337347A GB626989A GB 626989 A GB626989 A GB 626989A GB 337347 A GB337347 A GB 337347A GB 337347 A GB337347 A GB 337347A GB 626989 A GB626989 A GB 626989A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- ray tube
- cathode
- relating
- screen end
- 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
- H04N9/00—Details of colour television systems
- H04N9/12—Picture reproducers
- H04N9/31—Projection devices for colour picture display, e.g. using electronic spatial light modulators [ESLM]
- H04N9/3141—Constructional details thereof
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Manufacture Of Electron Tubes, Discharge Lamp Vessels, Lead-In Wires, And The Like (AREA)
- Electrodes For Cathode-Ray Tubes (AREA)
Abstract
626,989. Cathode-ray tubes. BROADWAY, L. F. Feb. 5, 1947, No. 3373. [Class 39 (i)] Cathode-ray tube apparatus comprises a cathode-ray tube, the screen end 1 of which is made as a pressing of glass or other suitable material provided with a peripheral rim 2 which is fused to the remainder of the tube, and a locating element 3 made of rigid material which is preferably an insulator, formed with a central rectangular aperture 5 through which the screen end of the tube is exposed. The locating element has an annular surface 4 formed by means of a die which is accurately complementary to the die employed for forming the outer surface of the screen end of the tube, thus locating the tube axially and laterally in the apparatus.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB337347A GB626989A (en) | 1947-02-05 | 1947-02-05 | Improvements in or relating to cathode ray tube apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB337347A GB626989A (en) | 1947-02-05 | 1947-02-05 | Improvements in or relating to cathode ray tube apparatus |
Publications (1)
Publication Number | Publication Date |
---|---|
GB626989A true GB626989A (en) | 1949-07-25 |
Family
ID=9757091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB337347A Expired GB626989A (en) | 1947-02-05 | 1947-02-05 | Improvements in or relating to cathode ray tube apparatus |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB626989A (en) |
-
1947
- 1947-02-05 GB GB337347A patent/GB626989A/en not_active Expired
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