GB406895A - Improvements in or relating to frequency changing circuits and superheterodyne receivers incorporating the same - Google Patents

Improvements in or relating to frequency changing circuits and superheterodyne receivers incorporating the same

Info

Publication number
GB406895A
GB406895A GB16037/33A GB1603733A GB406895A GB 406895 A GB406895 A GB 406895A GB 16037/33 A GB16037/33 A GB 16037/33A GB 1603733 A GB1603733 A GB 1603733A GB 406895 A GB406895 A GB 406895A
Authority
GB
United Kingdom
Prior art keywords
circuit
local oscillations
frequency
frequency changing
relating
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
GB16037/33A
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.)
Marconis Wireless Telegraph Co Ltd
BAE Systems Electronics Ltd
Original Assignee
Marconis Wireless Telegraph Co Ltd
Marconi 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, Marconi Co Ltd filed Critical Marconis Wireless Telegraph Co Ltd
Publication of GB406895A publication Critical patent/GB406895A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D7/00—Transference of modulation from one carrier to another, e.g. frequency-changing
    • H03D7/06—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes
    • H03D7/10—Transference of modulation from one carrier to another, e.g. frequency-changing by means of discharge tubes having more than two electrodes the signals to be mixed being applied between different pairs of electrodes

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Inductance-Capacitance Distribution Constants And Capacitance-Resistance Oscillators (AREA)
  • Combined Devices Of Dampers And Springs (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Superheterodyne Receivers (AREA)
GB16037/33A 1932-06-02 1933-06-02 Improvements in or relating to frequency changing circuits and superheterodyne receivers incorporating the same Expired GB406895A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US614898A US2050807A (en) 1932-06-02 1932-06-02 Superheterodyne receiver

Publications (1)

Publication Number Publication Date
GB406895A true GB406895A (en) 1934-03-08

Family

ID=24463167

Family Applications (1)

Application Number Title Priority Date Filing Date
GB16037/33A Expired GB406895A (en) 1932-06-02 1933-06-02 Improvements in or relating to frequency changing circuits and superheterodyne receivers incorporating the same

Country Status (3)

Country Link
US (1) US2050807A (enrdf_load_stackoverflow)
BE (1) BE396682A (enrdf_load_stackoverflow)
GB (1) GB406895A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2937343A (en) * 1954-10-18 1960-05-17 Gen Electric Modulation system

Also Published As

Publication number Publication date
BE396682A (enrdf_load_stackoverflow)
US2050807A (en) 1936-08-11

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