FR816361A - Electromechanical impedances - Google Patents

Electromechanical impedances

Info

Publication number
FR816361A
FR816361A FR816361DA FR816361A FR 816361 A FR816361 A FR 816361A FR 816361D A FR816361D A FR 816361DA FR 816361 A FR816361 A FR 816361A
Authority
FR
France
Prior art keywords
impedances
electromechanical
electromechanical impedances
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.)
Thales SA
Original Assignee
Le Materiel Telephonique Thomson CSF
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 Le Materiel Telephonique Thomson CSF filed Critical Le Materiel Telephonique Thomson CSF
Application granted granted Critical
Publication of FR816361A publication Critical patent/FR816361A/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 devices; Electromechanical resonators
    • H03H9/0023—Balance-unbalance or balance-balance networks
    • H03H9/0095—Balance-unbalance or balance-balance networks using bulk acoustic wave devices
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/24—Constructional features of resonators of material which is not piezoelectric, electrostrictive, or magnetostrictive
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/542—Filters comprising resonators of piezoelectric or electrostrictive material including passive elements

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
FR816361D 1935-10-02 1936-09-23 Electromechanical impedances Expired FR816361A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43154A US2094062A (en) 1935-10-02 1935-10-02 Electromechanical impedance

Publications (1)

Publication Number Publication Date
FR816361A true FR816361A (en) 1937-08-06

Family

ID=21925767

Family Applications (1)

Application Number Title Priority Date Filing Date
FR816361D Expired FR816361A (en) 1935-10-02 1936-09-23 Electromechanical impedances

Country Status (5)

Country Link
US (1) US2094062A (en)
DE (1) DE745757C (en)
FR (1) FR816361A (en)
GB (1) GB462888A (en)
NL (1) NL47516C (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2958040A (en) * 1958-02-10 1960-10-25 J B T Instr Inc Electrical frequency responsive device
US3218846A (en) * 1960-10-26 1965-11-23 Chemetron Corp Ultrasonic flaw testing apparatus
US3164987A (en) * 1961-03-28 1965-01-12 Bosch Arma Corp Electrostatic vibration transducer
US3190129A (en) * 1961-07-10 1965-06-22 Bosch Arma Corp Accelerometer and parts therefor
US3465597A (en) * 1965-05-25 1969-09-09 Singer General Precision Vibrating-column accelerometer
WO2013091736A1 (en) * 2011-12-23 2013-06-27 L-3 Communications Magnet-Motor Gmbh Permanent magnet excited electric machine

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE494716C (en) * 1927-07-08 1930-04-29 Elektrotechnischer Trust Der S Piezoelectric vibration generator
GB344034A (en) * 1929-11-28 1931-03-02 James Robinson Improvements in or relating to wireless receiving systems
US1906250A (en) * 1931-11-18 1933-05-02 Union Switch & Signal Co Electric filtering apparatus

Also Published As

Publication number Publication date
GB462888A (en) 1937-03-17
DE745757C (en) 1944-05-22
NL47516C (en)
US2094062A (en) 1937-09-28

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