FR863631A - Piezoelectric device - Google Patents

Piezoelectric device

Info

Publication number
FR863631A
FR863631A FR863631DA FR863631A FR 863631 A FR863631 A FR 863631A FR 863631D A FR863631D A FR 863631DA FR 863631 A FR863631 A FR 863631A
Authority
FR
France
Prior art keywords
piezoelectric device
piezoelectric
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.)
Electrical Research Products Inc
Original Assignee
Electrical Research Products Inc
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 Electrical Research Products Inc filed Critical Electrical Research Products Inc
Application granted granted Critical
Publication of FR863631A publication Critical patent/FR863631A/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
    • H03H9/46—Filters
    • H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
    • H03H9/58—Multiple crystal filters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Chemical & Material Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR863631D 1939-04-05 1940-03-01 Piezoelectric device Expired FR863631A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US266072A US2227268A (en) 1939-04-05 1939-04-05 Piezoelectric apparatus

Publications (1)

Publication Number Publication Date
FR863631A true FR863631A (en) 1941-04-05

Family

ID=23013047

Family Applications (1)

Application Number Title Priority Date Filing Date
FR863631D Expired FR863631A (en) 1939-04-05 1940-03-01 Piezoelectric device

Country Status (3)

Country Link
US (1) US2227268A (en)
FR (1) FR863631A (en)
NL (1) NL62776C (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2625035A (en) * 1945-12-22 1953-01-13 United Aircraft Corp Supersonic inspection device
DE972215C (en) * 1948-10-16 1959-06-04 Julius Dipl-Ing Lorenz Arrangement for recording the amplitude curve of alternating voltages
US2767336A (en) * 1951-05-22 1956-10-16 David L Arenberg Cement for bonding elements of a delay line with low transmission losses using mixtures of inorganic salts
US2883486A (en) * 1954-03-09 1959-04-21 Bell Telephone Labor Inc Piezoelectric switching device
US2885509A (en) * 1956-03-12 1959-05-05 Erdco Inc Electrostatic relays and controls
NL236375A (en) * 1958-02-21 1900-01-01
US3015708A (en) * 1959-07-02 1962-01-02 Bell Telephone Labor Inc Combined memory storage and switching arrangements
US3285362A (en) * 1959-07-20 1966-11-15 Csf Sound wave radiator devices
US3109153A (en) * 1960-11-18 1963-10-29 Gen Dynamics Corp Adjustable piezoelectric wave filter having two resonance peaks
US3166683A (en) * 1961-05-01 1965-01-19 American Radiator & Standard Scanning bimorph transducer
US3209181A (en) * 1962-09-11 1965-09-28 Philips Corp Temperature-independent transducer
JPS5760528A (en) * 1980-09-30 1982-04-12 Sony Corp Head supporting in recorder and reproducer

Also Published As

Publication number Publication date
NL62776C (en)
US2227268A (en) 1940-12-31

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