FR907691A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR907691A
FR907691A FR907691DA FR907691A FR 907691 A FR907691 A FR 907691A FR 907691D A FR907691D A FR 907691DA FR 907691 A FR907691 A FR 907691A
Authority
FR
France
Prior art keywords
discharge devices
electronic discharge
electronic
devices
discharge
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
Other languages
French (fr)
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.)
EMI Ltd
Electrical and Musical Industries Ltd
Original Assignee
EMI Ltd
Electrical and Musical Industries 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.)
Filing date
Publication date
Application filed by EMI Ltd, Electrical and Musical Industries Ltd filed Critical EMI Ltd
Application granted granted Critical
Publication of FR907691A publication Critical patent/FR907691A/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
    • H01J29/46—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
FR907691D 1940-05-02 1941-08-18 Improvements to electronic discharge devices Expired FR907691A (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
FR907691A true FR907691A (en) 1946-03-19

Family

ID=27253814

Family Applications (1)

Application Number Title Priority Date Filing Date
FR907691D Expired FR907691A (en) 1940-05-02 1941-08-18 Improvements to electronic discharge devices

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

Also Published As

Publication number Publication date
GB542497A (en) 1942-01-12
GB542488A (en) 1942-01-12
CH233060A (en) 1944-06-30
GB542496A (en) 1942-01-12
US2302786A (en) 1942-11-24

Similar Documents

Publication Publication Date Title
FR933985A (en) Improvements to electronic discharge devices
FR65201E (en) Improvements to electronic discharge devices
FR939271A (en) Improvements to electronic discharge devices
FR944979A (en) Improvements to electronic discharge devices
FR58577E (en) Improvements to electronic discharge devices
FR907691A (en) Improvements to electronic discharge devices
FR57753E (en) Improvements to electronic discharge devices
FR939568A (en) Improvements to electronic discharge devices
FR872792A (en) Electronic discharge devices
FR54878E (en) Electronic discharge devices
FR839910A (en) Electronic discharge devices
FR65357E (en) Improvements to electronic discharge devices
FR939048A (en) Electrode improvements for electronic discharge devices
FR834004A (en) Electronic discharge devices
FR939605A (en) Improvements to electronic discharge devices
FR831683A (en) Electronic discharge devices
FR869420A (en) Electronic discharge devices
FR853971A (en) Electronic discharge devices
FR849625A (en) Electronic discharge devices
FR831556A (en) Electronic discharge devices
FR862597A (en) Electronic discharge devices
FR867295A (en) Electronic discharge devices
FR939268A (en) Improvements to electronic discharge devices
FR51038E (en) Improvements made to discharge devices
FR51096E (en) Improvements made to discharge devices