GB290303A - Improvements in or relating to transmitters for use in wireless signalling - Google Patents

Improvements in or relating to transmitters for use in wireless signalling

Info

Publication number
GB290303A
GB290303A GB14040/28A GB1404028A GB290303A GB 290303 A GB290303 A GB 290303A GB 14040/28 A GB14040/28 A GB 14040/28A GB 1404028 A GB1404028 A GB 1404028A GB 290303 A GB290303 A GB 290303A
Authority
GB
United Kingdom
Prior art keywords
valve
potential
transmitters
relating
thermionic
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
GB14040/28A
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
Publication of GB290303A publication Critical patent/GB290303A/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)
  • Measuring Fluid Pressure (AREA)

Abstract

290,303. Binard, E., (Assignee of Soc. Belge Radio-Electrique). May 12, 1927, [Con. vention date]. Thermionic generators; thermionic modulating systems.-A constant load on the supply source of a generating-valve is obtained by the provision of an auxiliary source of potential adapted to render the valve conductive during the periods when it is not oscillating. The Figure shows a valve 1 having tuned grid and anode circuits 2, 3 and a potentiometer 8 for adjusting the gridbias potential. Keying is effected by shortcircuiting one or more turns of an inductance coil coupled to the grid circuit.
GB14040/28A 1927-05-12 1928-05-12 Improvements in or relating to transmitters for use in wireless signalling Expired GB290303A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE290303X 1927-05-12

Publications (1)

Publication Number Publication Date
GB290303A true GB290303A (en) 1929-08-12

Family

ID=3867258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB14040/28A Expired GB290303A (en) 1927-05-12 1928-05-12 Improvements in or relating to transmitters for use in wireless signalling

Country Status (2)

Country Link
FR (1) FR654106A (en)
GB (1) GB290303A (en)

Also Published As

Publication number Publication date
FR654106A (en) 1929-04-02

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