GB470885A - Improvements in or relating to electronic apparatus for television systems and the like - Google Patents
Improvements in or relating to electronic apparatus for television systems and the likeInfo
- Publication number
- GB470885A GB470885A GB25246/36A GB2524636A GB470885A GB 470885 A GB470885 A GB 470885A GB 25246/36 A GB25246/36 A GB 25246/36A GB 2524636 A GB2524636 A GB 2524636A GB 470885 A GB470885 A GB 470885A
- Authority
- GB
- United Kingdom
- Prior art keywords
- envelope
- blown
- sealed
- pressed
- glass
- 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
- 239000011521 glass Substances 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 230000003287 optical effect Effects 0.000 abstract 1
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
- H01J29/86—Vessels; Containers; Vacuum locks
- H01J29/861—Vessels or containers characterised by the form or the structure thereof
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Abstract
470,885. Glass manufacture. CORNING GLASS WORKS. Sept. 16, 1936, No. 25246. Convention date, July 18. [Class 56] [Also in Group XL] The envelope of cathode-ray apparatus has a blown glass part fused to a part formed in a moulding press to ensure optical accuracy so that distortions of a picture viewed or projected through a window in the pressed part are avoided. The envelope of an iconoscope is formed from a blown cylindrical part 16, a pressed part 19 with a flat window 18 and with a protuberance 21 ground off at 17 and a cylindrical part 23. The peripheries of the parts 16, 19 are ground, sanded and sealed together and the part 23 is sealed at 17 to the part 19. A television receiver tube has a flat or curved pressed end part sealed to the end of the blown conical part of the envelope.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US91403A US2160434A (en) | 1936-07-18 | 1936-07-18 | Television apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB470885A true GB470885A (en) | 1937-08-24 |
Family
ID=22227587
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB25246/36A Expired GB470885A (en) | 1936-07-18 | 1936-09-16 | Improvements in or relating to electronic apparatus for television systems and the like |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2160434A (en) |
| BE (1) | BE421879A (en) |
| FR (1) | FR822251A (en) |
| GB (1) | GB470885A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE947719C (en) * | 1949-09-13 | 1956-08-23 | Philips Nv | Electron beam tube with a rectangular, curved glass screen that is fused to a metal truncated pyramid |
| BE500102A (en) * | 1949-12-19 | |||
| US2697311A (en) * | 1949-12-19 | 1954-12-21 | Polan Ind Inc | Method of making glass tube envelopes |
| US2785820A (en) * | 1952-06-28 | 1957-03-19 | Owens Illinois Glass Co | Controlling implosions in cathode ray and other tubes |
| US3326621A (en) * | 1961-01-19 | 1967-06-20 | Nygorden Per Johan Berggren De | Catadioptric imaging systems |
| JP2001325898A (en) * | 2000-05-15 | 2001-11-22 | Matsushita Electric Ind Co Ltd | Glass bulb for cathode-ray tube and cathode-ray device |
-
0
- BE BE421879D patent/BE421879A/xx unknown
-
1936
- 1936-07-18 US US91403A patent/US2160434A/en not_active Expired - Lifetime
- 1936-09-16 GB GB25246/36A patent/GB470885A/en not_active Expired
-
1937
- 1937-05-26 FR FR822251D patent/FR822251A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2160434A (en) | 1939-05-30 |
| FR822251A (en) | 1937-12-24 |
| BE421879A (en) |
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