FR937520A - Dispositif à cristal piézoélectrique - Google Patents

Dispositif à cristal piézoélectrique

Info

Publication number
FR937520A
FR937520A FR937520DA FR937520A FR 937520 A FR937520 A FR 937520A FR 937520D A FR937520D A FR 937520DA FR 937520 A FR937520 A FR 937520A
Authority
FR
France
Prior art keywords
crystal device
piezoelectric crystal
piezoelectric
crystal
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
English (en)
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.)
AT&T Corp
Original Assignee
Western Electric Co 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 Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR937520A publication Critical patent/FR937520A/fr
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
    • H03H9/02—Details
    • H03H9/05—Holders or supports
    • H03H9/09—Elastic or damping supports
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/42—Piezoelectric device making

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
FR937520D 1945-12-28 1946-11-28 Dispositif à cristal piézoélectrique Expired FR937520A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US637662A US2453435A (en) 1945-12-28 1945-12-28 Piezoelectric crystal apparatus

Publications (1)

Publication Number Publication Date
FR937520A true FR937520A (fr) 1948-08-19

Family

ID=24556879

Family Applications (1)

Application Number Title Priority Date Filing Date
FR937520D Expired FR937520A (fr) 1945-12-28 1946-11-28 Dispositif à cristal piézoélectrique

Country Status (2)

Country Link
US (1) US2453435A (fr)
FR (1) FR937520A (fr)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2570840A (en) * 1946-11-23 1951-10-09 Gen Railway Signal Co Radio-frequency oscillator organization
US2635199A (en) * 1948-01-08 1953-04-14 John M Wolfskill Piezoelectric crystal apparatus
US2657320A (en) * 1948-12-30 1953-10-27 Bell Telephone Labor Inc Piezoelectric crystal unit
US2727993A (en) * 1953-04-07 1955-12-20 Lenkurt Electric Co Inc Stabilized oscillator
US2877362A (en) * 1954-10-29 1959-03-10 Tibbetts Lab Inc Transducer sealing
US2891177A (en) * 1957-03-04 1959-06-16 Hafner Erich Coaxial crystal mount
US3257704A (en) * 1964-05-04 1966-06-28 Hafner Erich Method of mounting high frequency piezoelectric crystals
CH429228A (de) * 1964-12-10 1967-01-31 Kistler Instrumente Ag Piezoelektrischer Einbaukörper zum Einbau in einen piezoelektrischen Wandler
US3519888A (en) * 1968-08-12 1970-07-07 Int Rectifier Corp High voltage stack having metallic enclosure
US3622816A (en) * 1970-06-12 1971-11-23 Electro Dynamics Piezoelectric crystal assembly
US3733661A (en) * 1971-01-25 1973-05-22 List H Method for the manufacture of a piezoelectric transducer and transducer manufactured by this method
US3731124A (en) * 1971-10-18 1973-05-01 Bell Telephone Labor Inc Electroacoustic transducer having improved transducing element supporting means
US10786588B2 (en) 2013-01-10 2020-09-29 Gene Therapy Systems, Inc. System and methods for sterilizing enclosed spaces using ozone
US9623140B2 (en) 2013-01-10 2017-04-18 Gene Therapy Systems, Inc. Apparatus and methods for ozone generation and degradation
US11291739B2 (en) 2015-09-15 2022-04-05 Gene Therapy Systems, Inc. System and methods for sterilizing enclosed spaces using ozone

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1783131A (en) * 1926-09-23 1930-11-25 American Telephone & Telegraph Mounting for piezo-electric devices
US1990822A (en) * 1932-03-14 1935-02-12 Rca Corp Piezo-electric apparatus
US2015836A (en) * 1933-01-26 1935-10-01 Telefunken Gmbh Quartz crystal oscillator
US2058260A (en) * 1935-01-10 1936-10-20 Rca Corp Oscillation generator

Also Published As

Publication number Publication date
US2453435A (en) 1948-11-09

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