GB1487282A - Cathode ray tube - Google Patents
Cathode ray tubeInfo
- Publication number
- GB1487282A GB1487282A GB633675A GB633675A GB1487282A GB 1487282 A GB1487282 A GB 1487282A GB 633675 A GB633675 A GB 633675A GB 633675 A GB633675 A GB 633675A GB 1487282 A GB1487282 A GB 1487282A
- Authority
- GB
- United Kingdom
- Prior art keywords
- neck
- cathode
- feb
- ray tube
- cathode ray
- 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
- H01J29/86—Vessels; Containers; Vacuum locks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2229/00—Details of cathode ray tubes or electron beam tubes
- H01J2229/86—Vessels and containers
- H01J2229/8603—Neck or cone portions of the CRT vessel
- H01J2229/8606—Neck or cone portions of the CRT vessel characterised by the shape
- H01J2229/8609—Non circular cross-sections
Landscapes
- Vessels, Lead-In Wires, Accessory Apparatuses For Cathode-Ray Tubes (AREA)
Abstract
1487282 Cathode-ray tubes CARL-ZEISSSTIFTUNG [trading as JENAER GLASWERK SCHOTT & GEN] 14 Feb 1975 [16 Feb 1974] 6336/75 Heading H1D Implasion resistance in a cathode-ray tubeparticularly in a wide-angle television tube-- having a rectangular screen joined to a cylindrical neck by a rounded, truncated, pipramidal, cone, is increased by shaping the wall joining the shorter screen sides to the neck with an outward bulge as shown at 11. Preferably, the wall joining the longer screen sides to the neck are substantially planar. Numerical data are given.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19742407527 DE2407527B2 (en) | 1974-02-16 | 1974-02-16 | Cathode ray tube flasks with a rectangular screen |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1487282A true GB1487282A (en) | 1977-09-28 |
Family
ID=5907624
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB633675A Expired GB1487282A (en) | 1974-02-16 | 1975-02-14 | Cathode ray tube |
Country Status (7)
Country | Link |
---|---|
BE (1) | BE825592A (en) |
BR (1) | BR7500713A (en) |
DE (1) | DE2407527B2 (en) |
FR (1) | FR2261619B1 (en) |
GB (1) | GB1487282A (en) |
IT (1) | IT1027280B (en) |
NL (1) | NL7501774A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5258688A (en) * | 1992-04-21 | 1993-11-02 | Zenith Electronics Corporation | CRI funnel with concave diagonals |
GB2351601A (en) * | 1999-06-29 | 2001-01-03 | Asahi Glass Co Ltd | Glass funnel for a cathode ray tube and a cathode ray tube |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3110930A1 (en) * | 1981-03-20 | 1982-09-30 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | IMAGE TUBES WITH PROTECTIVE DEVICE |
EP0119317B1 (en) * | 1983-03-09 | 1987-11-11 | Kabushiki Kaisha Toshiba | Cathode-ray tube |
DE10063034B4 (en) | 2000-12-18 | 2005-11-24 | Schott Ag | Television glass funnel |
-
1974
- 1974-02-16 DE DE19742407527 patent/DE2407527B2/en not_active Ceased
-
1975
- 1975-01-13 IT IT6705975A patent/IT1027280B/en active
- 1975-02-04 BR BR7500713A patent/BR7500713A/en unknown
- 1975-02-11 FR FR7504187A patent/FR2261619B1/fr not_active Expired
- 1975-02-14 GB GB633675A patent/GB1487282A/en not_active Expired
- 1975-02-14 BE BE6044924A patent/BE825592A/en unknown
- 1975-02-14 NL NL7501774A patent/NL7501774A/en not_active Application Discontinuation
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5258688A (en) * | 1992-04-21 | 1993-11-02 | Zenith Electronics Corporation | CRI funnel with concave diagonals |
GB2351601A (en) * | 1999-06-29 | 2001-01-03 | Asahi Glass Co Ltd | Glass funnel for a cathode ray tube and a cathode ray tube |
US6577055B1 (en) | 1999-06-29 | 2003-06-10 | Asahi Glass Company, Limited | Glass funnel having arch-like ridge portions and cathode ray tube using same |
GB2351601B (en) * | 1999-06-29 | 2004-02-11 | Asahi Glass Co Ltd | Glass funnel for a cathode ray tube and a cathode ray tube |
US6812632B2 (en) | 1999-06-29 | 2004-11-02 | Asahi Glass Company, Limited | Glass funnel for a cathode ray tube and a cathode ray tube |
Also Published As
Publication number | Publication date |
---|---|
FR2261619A1 (en) | 1975-09-12 |
BE825592A (en) | 1975-05-29 |
FR2261619B1 (en) | 1978-06-23 |
BR7500713A (en) | 1975-12-09 |
DE2407527B2 (en) | 1976-01-08 |
DE2407527A1 (en) | 1975-08-21 |
IT1027280B (en) | 1978-11-20 |
NL7501774A (en) | 1975-08-19 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |