FR36229E - Improvements in telegraphy and cordless telephony devices - Google Patents

Improvements in telegraphy and cordless telephony devices

Info

Publication number
FR36229E
FR36229E FR36229DA FR36229E FR 36229 E FR36229 E FR 36229E FR 36229D A FR36229D A FR 36229DA FR 36229 E FR36229 E FR 36229E
Authority
FR
France
Prior art keywords
telegraphy
telephony devices
cordless telephony
cordless
devices
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)
Inventor
Jules Courtier
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 filed Critical
Application granted granted Critical
Publication of FR36229E publication Critical patent/FR36229E/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
    • H01J21/18—Tubes with a single discharge path having magnetic control means; having both magnetic and electrostatic control means
FR36229D 1928-09-13 1928-09-13 Improvements in telegraphy and cordless telephony devices Expired FR36229E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR36229T 1928-09-13

Publications (1)

Publication Number Publication Date
FR36229E true FR36229E (en) 1930-04-30

Family

ID=8673009

Family Applications (1)

Application Number Title Priority Date Filing Date
FR36229D Expired FR36229E (en) 1928-09-13 1928-09-13 Improvements in telegraphy and cordless telephony devices

Country Status (1)

Country Link
FR (1) FR36229E (en)

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