CH331020A - Cathode ray tubes, in particular picture tubes for television reception purposes - Google Patents

Cathode ray tubes, in particular picture tubes for television reception purposes

Info

Publication number: CH331020A
Authority: CH; Switzerland
Prior art keywords: tubes; cathode ray; television reception; particular picture; reception purposes
Prior art date: 1953-11-13

Application number

Other languages

German (de)

Inventor

Eberhard Dr Gundert

Original Assignee

Telefunken Gmbh

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.)

1953-11-13

Filing date

1954-10-20

Publication date

1958-06-30

1954-10-20 Application filed by Telefunken Gmbh filed Critical Telefunken Gmbh

1958-06-30 Publication of CH331020A publication Critical patent/CH331020A/en

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
- H01J29/58—Arrangements for focusing or reflecting ray or beam
- H01J29/62—Electrostatic lenses
- H01J29/622—Electrostatic lenses producing fields exhibiting symmetry of revolution
- H01J29/624—Electrostatic lenses producing fields exhibiting symmetry of revolution co-operating with or closely associated to an electron gun

CH331020D 1953-11-13 1954-10-20 Cathode ray tubes, in particular picture tubes for television reception purposes CH331020A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE331020X		1953-11-13

Publications (1)

Publication Number	Publication Date
CH331020A true CH331020A (en)	1958-06-30

Family

ID=6194185

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH331020D CH331020A (en)	1953-11-13	1954-10-20	Cathode ray tubes, in particular picture tubes for television reception purposes

Country Status (5)

Country	Link
BE (1)	BE532870A (en)
CH (1)	CH331020A (en)
FR (1)	FR1147028A (en)
GB (1)	GB798257A (en)
NL (1)	NL184331B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
KR940003242Y1 (en) *	1991-07-10	1994-05-16	삼성전관 주식회사	Cathode ray tube
US6683414B2 (en) *	2001-10-25	2004-01-27	Northrop Grumman Corporation	Ion-shielded focusing method for high-density electron beams generated by planar cold cathode electron emitters

0
- NL NLAANVRAGE8005636,A patent/NL184331B/en unknown
- BE BE532870D patent/BE532870A/xx unknown
1954
- 1954-10-20 CH CH331020D patent/CH331020A/en unknown
- 1954-10-22 FR FR1147028D patent/FR1147028A/en not_active Expired
- 1954-11-15 GB GB32959/54A patent/GB798257A/en not_active Expired

Also Published As

Publication number	Publication date
FR1147028A (en)	1957-11-18
GB798257A (en)	1958-07-16
BE532870A (en)
NL184331B (en)

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