FR541404A - Improvements to transmitting devices for wireless telegraphy - Google Patents

Improvements to transmitting devices for wireless telegraphy

Info

Publication number
FR541404A
FR541404A FR541404DA FR541404A FR 541404 A FR541404 A FR 541404A FR 541404D A FR541404D A FR 541404DA FR 541404 A FR541404 A FR 541404A
Authority
FR
France
Prior art keywords
transmitting devices
wireless telegraphy
telegraphy
wireless
transmitting
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.)
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
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 Marconis Wireless Telegraph Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Application granted granted Critical
Publication of FR541404A publication Critical patent/FR541404A/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)
  • Transmitters (AREA)
  • Circuits Of Receivers In General (AREA)
FR541404D 1920-12-24 1921-09-22 Improvements to transmitting devices for wireless telegraphy Expired FR541404A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB3623320A GB177267A (en) 1920-12-24 1920-12-24 Improvements in wireless transmitting apparatus

Publications (1)

Publication Number Publication Date
FR541404A true FR541404A (en) 1922-07-27

Family

ID=10386203

Family Applications (1)

Application Number Title Priority Date Filing Date
FR541404D Expired FR541404A (en) 1920-12-24 1921-09-22 Improvements to transmitting devices for wireless telegraphy

Country Status (3)

Country Link
FR (1) FR541404A (en)
GB (1) GB177267A (en)
NL (1) NL11936C (en)

Also Published As

Publication number Publication date
GB177267A (en) 1922-03-24
NL11936C (en)

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