FR793794A - Improvements to cathode ray tubes for television or oscillography - Google Patents
Improvements to cathode ray tubes for television or oscillographyInfo
- Publication number
- FR793794A FR793794A FR793794DA FR793794A FR 793794 A FR793794 A FR 793794A FR 793794D A FR793794D A FR 793794DA FR 793794 A FR793794 A FR 793794A
- Authority
- FR
- France
- Prior art keywords
- oscillography
- television
- cathode ray
- ray tubes
- tubes
- 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
- H01J29/48—Electron guns
- H01J29/488—Schematic arrangements of the electrodes for beam forming; Place and form of the elecrodes
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB25023/34A GB443730A (en) | 1934-08-30 | 1934-08-30 | Improvements in or relating to cathode ray tubes suitable for use for television and similar oscillograph purposes |
Publications (1)
Publication Number | Publication Date |
---|---|
FR793794A true FR793794A (en) | 1936-01-31 |
Family
ID=10220965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR793794D Expired FR793794A (en) | 1934-08-30 | 1935-08-14 | Improvements to cathode ray tubes for television or oscillography |
Country Status (4)
Country | Link |
---|---|
US (1) | US2153223A (en) |
BE (1) | BE410992A (en) |
FR (1) | FR793794A (en) |
GB (1) | GB443730A (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429824A (en) * | 1943-10-08 | 1947-10-28 | Du Mont Allen B Lab Inc | Gun structure for cathode-ray tubes |
US2818519A (en) * | 1953-11-13 | 1957-12-31 | Telefunken Gmbh | Cathode-ray tube |
US2877369A (en) * | 1955-06-02 | 1959-03-10 | Rca Corp | Electron beam tube |
US2808527A (en) * | 1955-11-22 | 1957-10-01 | Gen Electric | Cathode support strap |
US3317981A (en) * | 1963-11-18 | 1967-05-09 | Sylvania Electric Prod | Expanding hollow plastic posts on opposite sides of electrode apertures for gripping electrodes |
DE3407434A1 (en) * | 1984-02-29 | 1985-08-29 | Siemens AG, 1000 Berlin und 8000 München | RADIATOR GENERATOR SYSTEM FOR ELECTRONIC TUBES, IN PARTICULAR WALKER TUBES |
US5000215A (en) * | 1988-04-27 | 1991-03-19 | Phillips Edwin D | Bellows seal for valves and the like |
US5851476A (en) * | 1996-05-17 | 1998-12-22 | Miner Enterprises, Inc. | Method of manufacturing a bellowed seal |
-
0
- BE BE410992D patent/BE410992A/xx unknown
-
1934
- 1934-08-30 GB GB25023/34A patent/GB443730A/en not_active Expired
-
1935
- 1935-08-14 FR FR793794D patent/FR793794A/en not_active Expired
- 1935-08-23 US US37462A patent/US2153223A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB443730A (en) | 1936-03-02 |
US2153223A (en) | 1939-04-04 |
BE410992A (en) |
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