FR649493A - Improvements to radio-telegraph transmitters - Google Patents

Improvements to radio-telegraph transmitters

Info

Publication number
FR649493A
FR649493A FR649493DA FR649493A FR 649493 A FR649493 A FR 649493A FR 649493D A FR649493D A FR 649493DA FR 649493 A FR649493 A FR 649493A
Authority
FR
France
Prior art keywords
radio
telegraph transmitters
telegraph
transmitters
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 FR649493A publication Critical patent/FR649493A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/02—Amplitude-modulated carrier systems, e.g. using on-off keying; Single sideband or vestigial sideband modulation
    • H04L27/04—Modulator circuits; Transmitter circuits
FR649493D 1927-02-11 1928-02-11 Improvements to radio-telegraph transmitters Expired FR649493A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US167568A US1674505A (en) 1927-02-11 1927-02-11 Telegraphic transmitter

Publications (1)

Publication Number Publication Date
FR649493A true FR649493A (en) 1928-12-22

Family

ID=22607889

Family Applications (1)

Application Number Title Priority Date Filing Date
FR649493D Expired FR649493A (en) 1927-02-11 1928-02-11 Improvements to radio-telegraph transmitters

Country Status (5)

Country Link
US (1) US1674505A (en)
DE (1) DE476062C (en)
FR (1) FR649493A (en)
GB (1) GB285357A (en)
NL (1) NL23503C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2780705A (en) * 1954-11-19 1957-02-05 Resdel Engineering Corp Dielectric heater

Also Published As

Publication number Publication date
DE476062C (en) 1929-05-11
NL23503C (en)
GB285357A (en) 1928-06-21
US1674505A (en) 1928-06-19

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