FR774887A - Perfectionnements aux récepteurs d'ondes modulées - Google Patents

Perfectionnements aux récepteurs d'ondes modulées

Info

Publication number
FR774887A
FR774887A FR774887DA FR774887A FR 774887 A FR774887 A FR 774887A FR 774887D A FR774887D A FR 774887DA FR 774887 A FR774887 A FR 774887A
Authority
FR
France
Prior art keywords
modulated wave
wave receptors
receptors
modulated
wave
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
English (en)
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.)
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
Application granted granted Critical
Publication of FR774887A publication Critical patent/FR774887A/fr
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
    • H03D7/08—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 the same two electrodes
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D11/00—Super-regenerative demodulator circuits
    • H03D11/02—Super-regenerative demodulator circuits for amplitude-modulated oscillations

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Circuits Of Receivers In General (AREA)
  • Superheterodyne Receivers (AREA)
FR774887D 1933-07-21 1934-06-23 Perfectionnements aux récepteurs d'ondes modulées Expired FR774887A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB20642/33A GB422866A (en) 1933-07-21 1933-07-21 Improvements in or relating to radio and other modulated carrier or like receivers

Publications (1)

Publication Number Publication Date
FR774887A true FR774887A (fr) 1934-12-15

Family

ID=10149284

Family Applications (1)

Application Number Title Priority Date Filing Date
FR774887D Expired FR774887A (fr) 1933-07-21 1934-06-23 Perfectionnements aux récepteurs d'ondes modulées

Country Status (4)

Country Link
US (1) US2100605A (pm)
FR (1) FR774887A (pm)
GB (1) GB422866A (pm)
NL (1) NL40239C (pm)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757336C (de) * 1935-03-04 1952-05-19 Marconi Wireless Telegraph Co Fernsehempfaenger, bei dem der Tonempfang oder der Bild- und Ton-empfang mittels eines Pendelrueckkopplungsempfaengers erfolgt

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE488950A (pm) * 1946-08-07
US2609492A (en) * 1948-03-13 1952-09-02 Hazeltine Research Inc Tunable superheterodyne superregenerative receiver
BE487876A (pm) * 1948-03-16
US2614212A (en) * 1948-11-19 1952-10-14 Hazeltine Research Inc Frequency converter system for radio receivers
US2748267A (en) * 1952-05-16 1956-05-29 Hazeltine Research Inc Superregenerative superheterodyne wave-signal receiver

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE757336C (de) * 1935-03-04 1952-05-19 Marconi Wireless Telegraph Co Fernsehempfaenger, bei dem der Tonempfang oder der Bild- und Ton-empfang mittels eines Pendelrueckkopplungsempfaengers erfolgt

Also Published As

Publication number Publication date
NL40239C (pm)
GB422866A (en) 1935-01-21
US2100605A (en) 1937-11-30

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