FR859684A - Improvements to radio transmitters - Google Patents

Improvements to radio transmitters

Info

Publication number
FR859684A
FR859684A FR859684DA FR859684A FR 859684 A FR859684 A FR 859684A FR 859684D A FR859684D A FR 859684DA FR 859684 A FR859684 A FR 859684A
Authority
FR
France
Prior art keywords
radio transmitters
transmitters
radio
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 FR859684A publication Critical patent/FR859684A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Amplifiers (AREA)
FR859684D 1938-09-13 1939-08-30 Improvements to radio transmitters Expired FR859684A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US229730A US2207571A (en) 1938-09-13 1938-09-13 Transmitter keying system

Publications (1)

Publication Number Publication Date
FR859684A true FR859684A (en) 1940-12-24

Family

ID=22862470

Family Applications (1)

Application Number Title Priority Date Filing Date
FR859684D Expired FR859684A (en) 1938-09-13 1939-08-30 Improvements to radio transmitters

Country Status (2)

Country Link
US (1) US2207571A (en)
FR (1) FR859684A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2610294A (en) * 1945-06-13 1952-09-09 Seddon John Carl Vacuum tube keying circuit
US2610293A (en) * 1948-02-14 1952-09-09 Rca Corp Signal responsive receiver
US2580967A (en) * 1948-06-22 1952-01-01 Welding Research Inc Electronic timing circuit
FR1024821A (en) * 1950-09-22 1953-04-07 Thomson Houston Comp Francaise Demodulation device for pulse coded transmission system

Also Published As

Publication number Publication date
US2207571A (en) 1940-07-09

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