FR394929A - Transmission device for telephony by electric waves - Google Patents

Transmission device for telephony by electric waves

Info

Publication number
FR394929A
FR394929A FR394929A FR394929DA FR394929A FR 394929 A FR394929 A FR 394929A FR 394929 A FR394929 A FR 394929A FR 394929D A FR394929D A FR 394929DA FR 394929 A FR394929 A FR 394929A
Authority
FR
France
Prior art keywords
telephony
transmission device
electric waves
waves
electric
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
FR394929A
Other languages
French (fr)
Inventor
Ernst Ruhmer
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR394929A publication Critical patent/FR394929A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C5/00—Amplitude modulation and angle modulation produced simultaneously or at will by the same modulating signal
FR394929A 1908-02-06 1908-10-05 Transmission device for telephony by electric waves Expired FR394929A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE394929X 1908-02-06

Publications (1)

Publication Number Publication Date
FR394929A true FR394929A (en) 1909-02-05

Family

ID=1440136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR394929A Expired FR394929A (en) 1908-02-06 1908-10-05 Transmission device for telephony by electric waves

Country Status (1)

Country Link
FR (1) FR394929A (en)

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