CH233060A - Device for generating an electron beam. - Google Patents

Device for generating an electron beam.

Info

Publication number: CH233060A
Authority: CH; Switzerland
Prior art keywords: generating; electron beam; electron
Prior art date: 1940-05-02

Application number

Other languages

German (de)

Inventor

Ltd Electric Musica Industries

Original Assignee

Emi Ltd

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.)

1940-05-02

Filing date

1941-08-19

Publication date

1944-06-30

1941-08-19 Application filed by Emi Ltd filed Critical Emi Ltd

1944-06-30 Publication of CH233060A publication Critical patent/CH233060A/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
- H01J29/52—Arrangements for controlling intensity of ray or beam, e.g. for modulation
- 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
- H01J29/70—Arrangements for deflecting ray or beam
- H01J29/72—Arrangements for deflecting ray or beam along one straight line or along two perpendicular straight lines
- H01J29/74—Deflecting by electric fields only
- 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

CH233060D 1940-05-02 1941-08-19 Device for generating an electron beam. CH233060A (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB233060X		1940-05-02
GB290441X		1941-04-29
GB10541X		1941-05-01

Publications (1)

Publication Number	Publication Date
CH233060A true CH233060A (en)	1944-06-30

Family

ID=27253814

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH233060D CH233060A (en)	1940-05-02	1941-08-19	Device for generating an electron beam.

Country Status (4)

Country	Link
US (1)	US2302786A (en)
CH (1)	CH233060A (en)
FR (1)	FR907691A (en)
GB (3)	GB542497A (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2551810A (en) *	1947-07-09	1951-05-08	Rca Corp	Deflection beam tube
US2969478A (en) *	1949-06-10	1961-01-24	Sperry Rand Corp	Information storage system
NL85805C (en) *	1950-04-12
US2609516A (en) *	1950-10-31	1952-09-02	Rca Corp	Art of forming and utilizing electron-beams of noncircular cross section
BE519629A (en) *	1952-05-02
US2811668A (en) *	1956-05-29	1957-10-29	Gen Dynamics Corp	Electron beam deflection control system
US2888606A (en) *	1956-08-27	1959-05-26	Rca Corp	Modulation control for cathode ray tubes
FR1281982A (en) *	1960-11-23	1962-01-19	Csf	Deflection modulator for cathode ray tubes
GB1087323A (en) *	1964-05-22	1967-10-18	English Electric Valve Co Ltd	Improvements in or relating to electron beam discharge tubes
US4549113A (en) *	1981-02-06	1985-10-22	U.S. Philips Corporation	Low noise electron gun
GB2137802B (en) *	1983-01-27	1986-06-04	Thor Cryogenics Ltd	Electron filter

1940
- 1940-05-02 GB GB5441/41A patent/GB542497A/en not_active Expired
- 1940-05-02 GB GB7892/40A patent/GB542488A/en not_active Expired
- 1940-05-02 GB GB5440/41A patent/GB542496A/en not_active Expired
1941
- 1941-07-05 US US401132A patent/US2302786A/en not_active Expired - Lifetime
- 1941-08-18 FR FR907691D patent/FR907691A/en not_active Expired
- 1941-08-19 CH CH233060D patent/CH233060A/en unknown

Also Published As

Publication number	Publication date
GB542497A (en)	1942-01-12
GB542488A (en)	1942-01-12
FR907691A (en)	1946-03-19
GB542496A (en)	1942-01-12
US2302786A (en)	1942-11-24

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