GB1487282A - Cathode ray tube - Google Patents

Cathode ray tube

Info

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
Application number
GB633675A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schott AG
Original Assignee
Jenaer Glaswerk Schott and Gen
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Jenaer Glaswerk Schott and Gen filed Critical Jenaer Glaswerk Schott and Gen
Publication of GB1487282A publication Critical patent/GB1487282A/en
Expired legal-status Critical Current

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.
GB633675A 1974-02-16 1975-02-14 Cathode ray tube Expired GB1487282A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Cited By (5)

* Cited by examiner, † Cited by third party
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