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FR748910A - Improvements in radio reception stations and the like - Google Patents

Improvements in radio reception stations and the like

Info

Publication number
FR748910A
FR748910A FR748910DA FR748910A FR 748910 A FR748910 A FR 748910A FR 748910D A FR748910D A FR 748910DA FR 748910 A FR748910 A FR 748910A
Authority
FR
France
Prior art keywords
radio reception
reception stations
stations
radio
reception
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)
Inventor
Alexis Guerbilsky
Pierre-Georges-Henri Menard
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 filed Critical
Application granted granted Critical
Publication of FR748910A publication Critical patent/FR748910A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/545—Filters comprising resonators of piezoelectric or electrostrictive material including active elements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/56—Monolithic crystal filters

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
FR748910D 1932-04-07 1932-04-07 Improvements in radio reception stations and the like Expired FR748910A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR748910T 1932-04-07

Publications (1)

Publication Number Publication Date
FR748910A true FR748910A (en) 1933-07-13

Family

ID=9148756

Family Applications (1)

Application Number Title Priority Date Filing Date
FR748910D Expired FR748910A (en) 1932-04-07 1932-04-07 Improvements in radio reception stations and the like

Country Status (1)

Country Link
FR (1) FR748910A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886787A (en) * 1953-07-30 1959-05-12 Donald E Johnson Piezoelectric device
DE1112581B (en) * 1958-04-03 1961-08-10 Philips Nv Oscillating capacitor
US3638146A (en) * 1968-09-25 1972-01-25 Toko Inc Piezoelectric ceramic filter
US4392074A (en) * 1980-09-19 1983-07-05 Siemens Aktiengesellschaft Trigger device and piezo-ignition coupler with galvanic decoupling

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2886787A (en) * 1953-07-30 1959-05-12 Donald E Johnson Piezoelectric device
DE1112581B (en) * 1958-04-03 1961-08-10 Philips Nv Oscillating capacitor
US3638146A (en) * 1968-09-25 1972-01-25 Toko Inc Piezoelectric ceramic filter
US4392074A (en) * 1980-09-19 1983-07-05 Siemens Aktiengesellschaft Trigger device and piezo-ignition coupler with galvanic decoupling

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