GB147429A - Improvements in telegraphic transmitters employing thermionic generators - Google Patents

Improvements in telegraphic transmitters employing thermionic generators

Info

Publication number
GB147429A
GB147429A GB19332/20A GB1933220A GB147429A GB 147429 A GB147429 A GB 147429A GB 19332/20 A GB19332/20 A GB 19332/20A GB 1933220 A GB1933220 A GB 1933220A GB 147429 A GB147429 A GB 147429A
Authority
GB
United Kingdom
Prior art keywords
circuit
grid
key
opening
battery
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
GB19332/20A
Other languages
English (en)
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.)
Telefunken AG
Original Assignee
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
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 Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
Publication of GB147429A publication Critical patent/GB147429A/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)
  • Selective Calling Equipment (AREA)
  • Image-Pickup Tubes, Image-Amplification Tubes, And Storage Tubes (AREA)
GB19332/20A 1915-07-15 1920-07-07 Improvements in telegraphic transmitters employing thermionic generators Expired GB147429A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE147429X 1915-07-15

Publications (1)

Publication Number Publication Date
GB147429A true GB147429A (en) 1921-08-04

Family

ID=5671972

Family Applications (1)

Application Number Title Priority Date Filing Date
GB19332/20A Expired GB147429A (en) 1915-07-15 1920-07-07 Improvements in telegraphic transmitters employing thermionic generators

Country Status (2)

Country Link
DE (1) DE298474C (enExample)
GB (1) GB147429A (enExample)

Also Published As

Publication number Publication date
DE298474C (enExample)

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