ES522328A0 - Perfeccionamientos en un demodulador de fm. - Google Patents

Perfeccionamientos en un demodulador de fm.

Info

Publication number
ES522328A0
ES522328A0 ES522328A ES522328A ES522328A0 ES 522328 A0 ES522328 A0 ES 522328A0 ES 522328 A ES522328 A ES 522328A ES 522328 A ES522328 A ES 522328A ES 522328 A0 ES522328 A0 ES 522328A0
Authority
ES
Spain
Prior art keywords
demodulator
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.)
Granted
Application number
ES522328A
Other languages
English (en)
Other versions
ES8404584A1 (es
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.)
Siemens Mobility Ltd
Original Assignee
Westinghouse Brake and Signal 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 Westinghouse Brake and Signal Co Ltd filed Critical Westinghouse Brake and Signal Co Ltd
Publication of ES522328A0 publication Critical patent/ES522328A0/es
Publication of ES8404584A1 publication Critical patent/ES8404584A1/es
Expired legal-status Critical Current

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
    • H03D3/06—Demodulation of angle-, frequency- or phase- modulated oscillations by detecting phase difference between two signals obtained from input signal by combining signals additively or in product demodulators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Networks Using Active Elements (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
ES522328A 1982-05-13 1983-05-12 Perfeccionamientos en un demodulador de fm. Expired ES8404584A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8213995 1982-05-13

Publications (2)

Publication Number Publication Date
ES522328A0 true ES522328A0 (es) 1984-04-16
ES8404584A1 ES8404584A1 (es) 1984-04-16

Family

ID=10530347

Family Applications (1)

Application Number Title Priority Date Filing Date
ES522328A Expired ES8404584A1 (es) 1982-05-13 1983-05-12 Perfeccionamientos en un demodulador de fm.

Country Status (4)

Country Link
US (1) US4560943A (es)
AU (1) AU1451283A (es)
ES (1) ES8404584A1 (es)
ZA (1) ZA833069B (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4645148A (en) * 1985-05-16 1987-02-24 American Standard Inc. Fail-safe voltage-limiting circuit for an audio frequency overlay track circuit
JP6781670B2 (ja) * 2017-06-16 2020-11-04 日本電信電話株式会社 増幅器

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891156A (en) * 1956-07-25 1959-06-16 Motorola Inc Detector circuit
NL6807318A (es) * 1968-05-23 1969-11-25
US3764927A (en) * 1971-12-07 1973-10-09 Gen Datacomm Ind Inc Wide band frequency discriminator
US3748586A (en) * 1972-05-02 1973-07-24 Collins Radio Co Frequency discriminator utilizing mechanical filter
JPS5942489B2 (ja) * 1976-10-26 1984-10-15 日本電気株式会社 周波数弁別回路
US4198609A (en) * 1977-07-15 1980-04-15 Victor Company Of Japan, Limited Phase tracked loop frequency demodulator
US4339726A (en) * 1979-08-29 1982-07-13 Nippon Electric Co., Ltd. Demodulator of angle modulated signal operable by low power voltage

Also Published As

Publication number Publication date
AU1451283A (en) 1983-11-17
ES8404584A1 (es) 1984-04-16
ZA833069B (en) 1984-01-25
US4560943A (en) 1985-12-24

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19991108