GB1487282A – Cathode ray tube
– Google Patents
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
1974-02-16
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.)
1974-02-16
Filing date
1975-02-14
Publication date
1977-09-28
1975-02-14
Application filed by Jenaer Glaswerk Schott and Gen
filed
Critical
Jenaer Glaswerk Schott and Gen
1977-09-28
Publication of GB1487282A
publication
Critical
patent/GB1487282A/en
Status
Expired
legal-status
Critical
Current
Links
Espacenet
Global Dossier
Discuss
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
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
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
BE
BE6044924A
patent/BE825592A/en
unknown
1975-02-14
GB
GB633675A
patent/GB1487282A/en
not_active
Expired
1975-02-14
NL
NL7501774A
patent/NL7501774A/en
not_active
Application Discontinuation
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
DE2407527B2
(en)
1976-01-08
NL7501774A
(en)
1975-08-19
BR7500713A
(en)
1975-12-09
IT1027280B
(en)
1978-11-20
BE825592A
(en)
1975-05-29
DE2407527A1
(en)
1975-08-21
FR2261619B1
(en)
1978-06-23
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(en)
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(en)
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(en)
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Cathode ray display tube
Legal Events
Date
Code
Title
Description
1978-02-08
PS
Patent sealed
1980-10-01
PCNP
Patent ceased through non-payment of renewal fee
