CH266789A - Mixing detector circuit for detecting frequency-modulated vibrations. - Google Patents

Mixing detector circuit for detecting frequency-modulated vibrations.

Info

Publication number
CH266789A
CH266789A CH266789DA CH266789A CH 266789 A CH266789 A CH 266789A CH 266789D A CH266789D A CH 266789DA CH 266789 A CH266789 A CH 266789A
Authority
CH
Switzerland
Prior art keywords
detector circuit
detecting frequency
mixing detector
modulated vibrations
vibrations
Prior art date
Application number
Other languages
German (de)
Inventor
Gloeilampenfabrieken N Philips
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH266789A publication Critical patent/CH266789A/en

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03D—DEMODULATION OR TRANSFERENCE OF MODULATION FROM ONE CARRIER TO ANOTHER
    • H03D3/00—Demodulation of angle-, frequency- or phase- modulated oscillations
    • H03D3/02—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal
    • H03D3/22—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by means of active elements with more than two electrodes to which two signals are applied derived from the signal to be demodulated and having a phase difference related to the frequency deviation, e.g. phase detector

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • X-Ray Techniques (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Amplitude Modulation (AREA)
CH266789D 1947-01-14 1948-01-12 Mixing detector circuit for detecting frequency-modulated vibrations. CH266789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL266789X 1947-01-14

Publications (1)

Publication Number Publication Date
CH266789A true CH266789A (en) 1950-02-15

Family

ID=19781767

Family Applications (1)

Application Number Title Priority Date Filing Date
CH266789D CH266789A (en) 1947-01-14 1948-01-12 Mixing detector circuit for detecting frequency-modulated vibrations.

Country Status (7)

Country Link
US (1) US2531866A (en)
BE (1) BE479537A (en)
CH (1) CH266789A (en)
DE (1) DE832306C (en)
FR (1) FR959556A (en)
GB (1) GB643290A (en)
NL (1) NL66481C (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE969436C (en) * 1951-04-26 1958-06-04 Lorenz C Ag Arrangement for demodulating frequency or phase modulated oscillations
US2844720A (en) * 1954-12-06 1958-07-22 Radio Frequency Lab Inc Frequency shift discriminator

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2296090A (en) * 1942-09-15 Frequency modulation receiver
US2087429A (en) * 1935-06-06 1937-07-20 Rca Corp Phase and frequency modulation wave receiving system
US2239757A (en) * 1940-01-02 1941-04-29 Rca Corp Signal detecting system
US2263615A (en) * 1940-04-06 1941-11-25 Rca Corp Frequency modulation detector
US2284444A (en) * 1940-08-27 1942-05-26 Bell Telephone Labor Inc Demodulation circuit
US2273771A (en) * 1941-04-10 1942-02-17 Rca Corp Frequency modulated carrier detector
BE480687A (en) * 1941-12-19
BE469561A (en) * 1942-05-06

Also Published As

Publication number Publication date
BE479537A (en)
FR959556A (en) 1950-03-31
GB643290A (en) 1950-09-15
NL66481C (en)
US2531866A (en) 1950-11-28
DE832306C (en) 1952-02-21

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