NL87649C - - Google Patents

Info

Publication number: NL87649C
Authority: NL; Netherlands

Application number

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.)

1953-03-18

Publication of NL87649C publication Critical patent/NL87649C/xx

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
- H01J29/84—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection
- H01J29/845—Traps for removing or diverting unwanted particles, e.g. negative ions, fringing electrons; Arrangements for velocity or mass selection by means of magnetic systems

NL87649D 1953-03-18 NL87649C (xx)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US343195A US2723362A (en)	1953-03-18	1953-03-18	Electron gun of the ion trap type

Publications (1)

Publication Number	Publication Date
NL87649C true NL87649C (xx)

Family

ID=23345079

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL87649D NL87649C (xx)	1953-03-18

Country Status (5)

Country	Link
US (1)	US2723362A (xx)
BE (1)	BE527357A (xx)
FR (1)	FR1104378A (xx)
GB (1)	GB747707A (xx)
NL (1)	NL87649C (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
NL207373A (xx) *	1953-05-30
US3119988A (en) *	1955-12-01	1964-01-28	Leonard D Barry	Magnetic recorder for symbols
US2964880A (en) *	1956-05-25	1960-12-20	Fivre Valvole Radio Elett Spa	Process for preparing glass elements
US3027479A (en) *	1958-06-27	1962-03-27	Rca Corp	Electron guns

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2188579A (en) *	1933-05-27	1940-01-30	Loewe Radio Inc	Cathode ray tube, more particularly for television purposes
DE973258C (de) *	1938-03-08	1959-12-31	Siemens Ag	Magnetische Polschuhlinse kleiner Brennweite fuer elektronenoptische Vergroesserungen in Elektronenmikroskopen
BE470212A (xx) *	1946-01-24
US2496127A (en) *	1947-02-05	1950-01-31	Rca Corp	Electron gun for cathode-ray tubes
US2619607A (en) *	1951-03-10	1952-11-25	Glaser Steers Corp	Internal focusing device

0
- BE BE527357D patent/BE527357A/xx unknown
- NL NL87649D patent/NL87649C/xx active
1953
- 1953-03-18 US US343195A patent/US2723362A/en not_active Expired - Lifetime
1954
- 1954-03-16 FR FR1104378D patent/FR1104378A/fr not_active Expired
- 1954-03-17 GB GB7791/54A patent/GB747707A/en not_active Expired

Also Published As

Publication number	Publication date
US2723362A (en)	1955-11-08
BE527357A (xx)
GB747707A (en)	1956-04-11
FR1104378A (fr)	1955-11-18

Publication	Publication Date	Title
AT190646B (xx)	1957-07-10
BE517130A (xx)	1953-02-14
AT191026B (xx)	1957-07-25
AT189958B (xx)	1957-05-25
FR65829E (xx)	1956-03-21
AT213751B (xx)	1961-02-27
BE516806A (xx)	1954-11-12
BE515978A (xx)
BE527130A (xx)
BE518001A (xx)
BE517828A (xx)
BE517734A (xx)	1953-03-14
BE548096A (xx)
BE517726A (xx)	1953-08-17
BE517667A (xx)
BE517380A (xx)
BE517318A (xx)
BE517261A (xx)
BE517254A (xx)
BE517192A (xx)
BE51713A (xx)
BE516895A (xx)
BE516823A (xx)
BE488396A (xx)
BE516474A (xx)