GB715061A - Improvements in or relating to cathode ray tube apparatus - Google Patents
Improvements in or relating to cathode ray tube apparatusInfo
- Publication number
- GB715061A GB715061A GB2785151A GB2785151A GB715061A GB 715061 A GB715061 A GB 715061A GB 2785151 A GB2785151 A GB 2785151A GB 2785151 A GB2785151 A GB 2785151A GB 715061 A GB715061 A GB 715061A
- Authority
- GB
- United Kingdom
- Prior art keywords
- tube
- nov
- cone
- curved
- ray tube
- 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
- H04N5/00—Details of television systems
- H04N5/64—Constructional details of receivers, e.g. cabinets or dust covers
- H04N5/645—Mounting of picture tube on chassis or in housing
Abstract
715,061. Television. ELECTRIC & MUSICAL INDUSTRIES, Ltd. Nov. 26, 1952 [Nov. 28, 1951], No. 27851/51. Class 40 (3) A cathode-ray tube 1, such as a television receiving tube, having the metal cone 2 maintained at a high positive potential, is mounted on a transparent msulating member 5 which is shaped to fit closely over the screen end of the tube as a protection window and is formed with anchorages 9 to which the tube is secured by webbing loops 13 and springs 17. Insulators 16 may be included. The member 5 is formed of glass or a synthetic resin, such as methacrylate resin, and may be attached to a cabinet 3 as shown or a metal chassis. Insulating blocks 11 serve to locate the tube the end of which is also surrounded by a ring 12 of resilient material such as rubber. The member may be formed with a peripheral flange (not shown) extending rearwardly from the general plane of the member in order to increase the length of the leakage path from the cone. The central portion 6 may be curved as shown to accommodate a tube formed with a curved screen and may be tinted to act as a filter. The marginal portion may be rendered opaque with enamel. A deflecting unit and/or focusing unit for the tube may be assembled and mounted as described in Specification 681,371 whereby both the tube and the units are supported by member 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2785151A GB715061A (en) | 1951-11-28 | 1951-11-28 | Improvements in or relating to cathode ray tube apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB2785151A GB715061A (en) | 1951-11-28 | 1951-11-28 | Improvements in or relating to cathode ray tube apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB715061A true GB715061A (en) | 1954-09-08 |
Family
ID=10266332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2785151A Expired GB715061A (en) | 1951-11-28 | 1951-11-28 | Improvements in or relating to cathode ray tube apparatus |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB715061A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1177748B (en) * | 1962-01-10 | 1964-09-10 | Telefunken Patent | Cover frame for picture tubes |
| WO2003069900A1 (en) * | 2002-02-18 | 2003-08-21 | Koninklijke Philips Electronics N.V. | Display device comprising a housing and a picture display unit |
-
1951
- 1951-11-28 GB GB2785151A patent/GB715061A/en not_active Expired
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1177748B (en) * | 1962-01-10 | 1964-09-10 | Telefunken Patent | Cover frame for picture tubes |
| WO2003069900A1 (en) * | 2002-02-18 | 2003-08-21 | Koninklijke Philips Electronics N.V. | Display device comprising a housing and a picture display unit |
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