FR790003A - Improvements to electronic discharge devices - Google Patents

Improvements to electronic discharge devices

Info

Publication number
FR790003A
FR790003A FR790003DA FR790003A FR 790003 A FR790003 A FR 790003A FR 790003D A FR790003D A FR 790003DA FR 790003 A FR790003 A FR 790003A
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR790003A publication Critical patent/FR790003A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J17/00—Gas-filled discharge tubes with solid cathode
    • H01J17/50—Thermionic-cathode tubes
    • H01J17/52—Thermionic-cathode tubes with one cathode and one anode
    • H01J17/54—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes
    • H01J17/56—Thermionic-cathode tubes with one cathode and one anode having one or more control electrodes for preventing and then permitting ignition, but thereafter having no control
FR790003D 1934-10-03 1935-05-14 Improvements to electronic discharge devices Expired FR790003A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US746631A US2061255A (en) 1934-10-03 1934-10-03 Electric discharge device

Publications (1)

Publication Number Publication Date
FR790003A true FR790003A (en) 1935-11-12

Family

ID=25001664

Family Applications (1)

Application Number Title Priority Date Filing Date
FR790003D Expired FR790003A (en) 1934-10-03 1935-05-14 Improvements to electronic discharge devices

Country Status (4)

Country Link
US (1) US2061255A (en)
BE (1) BE408730A (en)
FR (1) FR790003A (en)
GB (1) GB436060A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975319A (en) * 1951-03-06 1961-03-14 Tesla Np Tacttron
US2963601A (en) * 1957-08-07 1960-12-06 Westinghouse Electric Corp Ionization vacuum gauge

Also Published As

Publication number Publication date
US2061255A (en) 1936-11-17
GB436060A (en) 1935-10-03
BE408730A (en)

Similar Documents

Publication Publication Date Title
FR48156E (en) Improvements to electronic discharge devices
FR796386A (en) Improvements to electronic discharge devices
FR46595E (en) Metal-enclosed discharge devices
FR795640A (en) Improvements to electronic discharge devices
FR791858A (en) Improvements to electronic discharge devices
FR776056A (en) Improvements to electronic discharge devices
FR758612A (en) Improvements to discharge devices
FR804380A (en) Improvements to electronic discharge devices
FR794802A (en) Improvements to electronic tube oscillators
FR790003A (en) Improvements to electronic discharge devices
FR785507A (en) Improvements to discharge devices
FR817395A (en) Improvements to electronic discharge devices
FR47312E (en) Improvements to discharge devices
FR769344A (en) Improvements to electronic discharge devices
FR782171A (en) Improvements to electronic discharge devices
FR798597A (en) Improvements to electronic discharge devices
FR826866A (en) Improvements to electronic discharge devices
FR797336A (en) Improvements to sawing devices
FR793933A (en) Improvements to discharge devices
FR781450A (en) Improvements to discharge devices
FR801654A (en) Improvements to electronic discharge devices
FR799210A (en) Improvements to electronic discharge devices
FR792777A (en) Improvements to vibratory devices
FR844414A (en) Improvements made to discharge devices
FR796513A (en) Improvements to electronic discharge tubes