DE2108572A1 - Frequenzdiskriminator - Google Patents

Frequenzdiskriminator

Info

Publication number
DE2108572A1
DE2108572A1 DE19712108572 DE2108572A DE2108572A1 DE 2108572 A1 DE2108572 A1 DE 2108572A1 DE 19712108572 DE19712108572 DE 19712108572 DE 2108572 A DE2108572 A DE 2108572A DE 2108572 A1 DE2108572 A1 DE 2108572A1
Authority
DE
Germany
Prior art keywords
frequency
rectifier
piezoelectric device
discriminator
output terminal
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.)
Withdrawn
Application number
DE19712108572
Other languages
German (de)
English (en)
Inventor
Junior Imbrie Lynchburg Va. Rhodes (V.St.A.)
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Publication of DE2108572A1 publication Critical patent/DE2108572A1/de
Withdrawn legal-status Critical Current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
    • H03D3/16—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 by means of electromechanical resonators

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Measurement Of Current Or Voltage (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
DE19712108572 1970-03-06 1971-02-23 Frequenzdiskriminator Withdrawn DE2108572A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1724970A 1970-03-06 1970-03-06

Publications (1)

Publication Number Publication Date
DE2108572A1 true DE2108572A1 (de) 1971-09-16

Family

ID=21781565

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19712108572 Withdrawn DE2108572A1 (de) 1970-03-06 1971-02-23 Frequenzdiskriminator

Country Status (5)

Country Link
US (1) US3626310A (cg-RX-API-DMAC10.html)
DE (1) DE2108572A1 (cg-RX-API-DMAC10.html)
DK (1) DK142339B (cg-RX-API-DMAC10.html)
FR (1) FR2081739B1 (cg-RX-API-DMAC10.html)
GB (1) GB1339460A (cg-RX-API-DMAC10.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003502000A (ja) * 1999-06-01 2003-01-14 コンティニューム コントロール コーポレイション 機械的変動から電力を取出す方法及びシステム

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074021A (en) * 1958-04-03 1963-01-15 Gen Electronic Lab Inc Crystal discriminator
US3199040A (en) * 1962-09-06 1965-08-03 James E Coogan Crystal frequency discriminator
FR1576792A (cg-RX-API-DMAC10.html) * 1967-08-04 1969-08-01

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3202921A (en) * 1962-02-20 1965-08-24 Avco Corp Frequency sensitive demodulator
US3487318A (en) * 1967-11-08 1969-12-30 Motorola Inc Mode coupled discriminator
US3512095A (en) * 1967-11-08 1970-05-12 Motorola Inc Crystal discriminator with unsymmetrical drive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074021A (en) * 1958-04-03 1963-01-15 Gen Electronic Lab Inc Crystal discriminator
US3199040A (en) * 1962-09-06 1965-08-03 James E Coogan Crystal frequency discriminator
FR1576792A (cg-RX-API-DMAC10.html) * 1967-08-04 1969-08-01

Also Published As

Publication number Publication date
DK142339C (cg-RX-API-DMAC10.html) 1981-03-09
US3626310A (en) 1971-12-07
DK142339B (da) 1980-10-13
FR2081739A1 (cg-RX-API-DMAC10.html) 1971-12-10
GB1339460A (en) 1973-12-05
FR2081739B1 (cg-RX-API-DMAC10.html) 1976-02-06

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Legal Events

Date Code Title Description
OD Request for examination
8136 Disposal/non-payment of the fee for publication/grant