FR666166A - Improvements to high frequency signaling devices - Google Patents

Improvements to high frequency signaling devices

Info

Publication number
FR666166A
FR666166A FR666166DA FR666166A FR 666166 A FR666166 A FR 666166A FR 666166D A FR666166D A FR 666166DA FR 666166 A FR666166 A FR 666166A
Authority
FR
France
Prior art keywords
high frequency
signaling devices
frequency signaling
devices
signaling
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
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.)
Compagnie Francaise Thomson Houston SA
Original Assignee
Compagnie Francaise Thomson Houston SA
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 Compagnie Francaise Thomson Houston SA filed Critical Compagnie Francaise Thomson Houston SA
Application granted granted Critical
Publication of FR666166A publication Critical patent/FR666166A/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
    • H03D7/18—Modifications of frequency-changers for eliminating image frequencies

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Superheterodyne Receivers (AREA)
FR666166D 1927-12-22 1928-12-21 Improvements to high frequency signaling devices Expired FR666166A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US302907XA 1927-12-22 1927-12-22

Publications (1)

Publication Number Publication Date
FR666166A true FR666166A (en) 1929-09-27

Family

ID=21853493

Family Applications (1)

Application Number Title Priority Date Filing Date
FR666166D Expired FR666166A (en) 1927-12-22 1928-12-21 Improvements to high frequency signaling devices

Country Status (3)

Country Link
DE (1) DE703273C (en)
FR (1) FR666166A (en)
GB (1) GB302907A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE751089C (en) * 1935-10-31 1952-11-24 Georg Von Schaub Overlay receiver with a high intermediate frequency and an overlaying overlay fundamental frequency
DE868624C (en) * 1951-09-11 1953-02-26 Niels Dipl-Ing Jasper Method for reducing the harmonic and differential frequencies generated during demodulation of frequency-modulated oscillations
DE1261903B (en) * 1965-03-22 1968-02-29 Hartmut Roland Traunmueller Circuit arrangement of a double overlay receiver for long, medium and short wave

Also Published As

Publication number Publication date
GB302907A (en) 1929-12-05
DE703273C (en) 1941-03-05

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