FR638938A - Improvements to electronic lamps, their power supply and their applications - Google Patents

Improvements to electronic lamps, their power supply and their applications

Info

Publication number
FR638938A
FR638938A FR638938DA FR638938A FR 638938 A FR638938 A FR 638938A FR 638938D A FR638938D A FR 638938DA FR 638938 A FR638938 A FR 638938A
Authority
FR
France
Prior art keywords
applications
power supply
electronic lamps
lamps
electronic
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.)
Radiotechnique SA
Original Assignee
Radiotechnique 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 Radiotechnique SA filed Critical Radiotechnique SA
Application granted granted Critical
Publication of FR638938A publication Critical patent/FR638938A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J21/00—Vacuum tubes
    • H01J21/02—Tubes with a single discharge path
    • H01J21/06—Tubes with a single discharge path having electrostatic control means only
    • H01J21/10—Tubes with a single discharge path having electrostatic control means only with one or more immovable internal control electrodes, e.g. triode, pentode, octode
FR638938D 1926-12-31 1926-12-31 Improvements to electronic lamps, their power supply and their applications Expired FR638938A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR638938T 1926-12-31

Publications (1)

Publication Number Publication Date
FR638938A true FR638938A (en) 1928-06-07

Family

ID=8996389

Family Applications (1)

Application Number Title Priority Date Filing Date
FR638938D Expired FR638938A (en) 1926-12-31 1926-12-31 Improvements to electronic lamps, their power supply and their applications

Country Status (2)

Country Link
FR (1) FR638938A (en)
GB (1) GB282727A (en)

Also Published As

Publication number Publication date
GB282727A (en) 1929-02-28

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