FR39154E - Improvements to telegraphy and wireless telephony transmitters - Google Patents

Improvements to telegraphy and wireless telephony transmitters

Info

Publication number
FR39154E
FR39154E FR39154DA FR39154E FR 39154 E FR39154 E FR 39154E FR 39154D A FR39154D A FR 39154DA FR 39154 E FR39154 E FR 39154E
Authority
FR
France
Prior art keywords
telegraphy
wireless telephony
transmitters
telephony transmitters
wireless
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 FR39154E publication Critical patent/FR39154E/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03C—MODULATION
    • H03C1/00—Amplitude modulation
    • H03C1/28—Amplitude modulation by means of transit-time tube
    • H03C1/30—Amplitude modulation by means of transit-time tube by means of a magnetron
FR39154D 1929-10-07 1930-10-07 Improvements to telegraphy and wireless telephony transmitters Expired FR39154E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US397893A US1961820A (en) 1929-10-07 1929-10-07 Signaling system

Publications (1)

Publication Number Publication Date
FR39154E true FR39154E (en) 1931-10-21

Family

ID=23573096

Family Applications (1)

Application Number Title Priority Date Filing Date
FR39154D Expired FR39154E (en) 1929-10-07 1930-10-07 Improvements to telegraphy and wireless telephony transmitters

Country Status (4)

Country Link
US (1) US1961820A (en)
DE (1) DE579927C (en)
FR (1) FR39154E (en)
GB (1) GB352836A (en)

Also Published As

Publication number Publication date
GB352836A (en) 1931-07-16
DE579927C (en) 1933-07-03
US1961820A (en) 1934-06-05

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