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FR588275A - Improvements to electric discharge tubes - Google Patents

Improvements to electric discharge tubes

Info

Publication number
FR588275A
FR588275A FR588275DA FR588275A FR 588275 A FR588275 A FR 588275A FR 588275D A FR588275D A FR 588275DA FR 588275 A FR588275 A FR 588275A
Authority
FR
France
Prior art keywords
electric discharge
discharge tubes
tubes
electric
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR588275A publication Critical patent/FR588275A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J13/00Discharge tubes with liquid-pool cathodes, e.g. metal-vapour rectifying tubes
    • H01J13/02Details
    • H01J13/20Control electrodes, e.g. grid
FR588275D 1923-10-23 1924-10-01 Improvements to electric discharge tubes Expired FR588275A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US588275XA 1923-10-23 1923-10-23

Publications (1)

Publication Number Publication Date
FR588275A true FR588275A (en) 1925-05-04

Family

ID=22019169

Family Applications (1)

Application Number Title Priority Date Filing Date
FR588275D Expired FR588275A (en) 1923-10-23 1924-10-01 Improvements to electric discharge tubes

Country Status (1)

Country Link
FR (1) FR588275A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE762707C (en) * 1937-12-15 1944-12-21 Philips Patentverwaltung Device for converting high DC voltage into lower AC voltage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE762707C (en) * 1937-12-15 1944-12-21 Philips Patentverwaltung Device for converting high DC voltage into lower AC voltage

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