GB167567A - Improvements in and relating to high frequency electric signalling systems - Google Patents

Improvements in and relating to high frequency electric signalling systems

Info

Publication number
GB167567A
GB167567A GB1280820A GB1280820A GB167567A GB 167567 A GB167567 A GB 167567A GB 1280820 A GB1280820 A GB 1280820A GB 1280820 A GB1280820 A GB 1280820A GB 167567 A GB167567 A GB 167567A
Authority
GB
United Kingdom
Prior art keywords
grid
condenser
relating
high frequency
systems
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
GB1280820A
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Priority to GB1280820A priority Critical patent/GB167567A/en
Publication of GB167567A publication Critical patent/GB167567A/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)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)

Abstract

167,567. British Thomson - Houston Co., Ltd., (General Electric Co.) May 8, 1920. Drawings to Specification. Right to Patent relinquished. Thermionic oscillation generators; keying systems.-In systems of signalling by high-frequency currents produced by reactively coupled thermionic valves, a condenser in the grid circuit normally keeps the grid sufficiently negative to prevent the production of oscillations, signalling being effected by shunting or short-circuiting this condenser, which may be the grid-leak condenser, or in series with it. The grid and plate circuits are not directly coupled to each other but to separate coils in the aerial.
GB1280820A 1920-05-08 1920-05-08 Improvements in and relating to high frequency electric signalling systems Expired GB167567A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1280820A GB167567A (en) 1920-05-08 1920-05-08 Improvements in and relating to high frequency electric signalling systems

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1280820A GB167567A (en) 1920-05-08 1920-05-08 Improvements in and relating to high frequency electric signalling systems

Publications (1)

Publication Number Publication Date
GB167567A true GB167567A (en) 1921-08-08

Family

ID=10011515

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1280820A Expired GB167567A (en) 1920-05-08 1920-05-08 Improvements in and relating to high frequency electric signalling systems

Country Status (1)

Country Link
GB (1) GB167567A (en)

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