FR988556A - Improvement in piezoelectric elements - Google Patents

Improvement in piezoelectric elements

Info

Publication number
FR988556A
FR988556A FR988556DA FR988556A FR 988556 A FR988556 A FR 988556A FR 988556D A FR988556D A FR 988556DA FR 988556 A FR988556 A FR 988556A
Authority
FR
France
Prior art keywords
improvement
piezoelectric elements
piezoelectric
elements
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
Halloy Audoin D
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 FR988556A publication Critical patent/FR988556A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H9/00Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
    • H03H9/02Details
    • H03H9/05Holders; Supports
    • H03H9/10Mounting in enclosures
    • H03H9/1007Mounting in enclosures for bulk acoustic wave [BAW] devices
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00Metal working
    • Y10T29/42Piezoelectric device making

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
FR988556D 1944-01-10 1944-01-10 Improvement in piezoelectric elements Expired FR988556A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR988556T 1944-01-10

Publications (1)

Publication Number Publication Date
FR988556A true FR988556A (en) 1951-08-29

Family

ID=9539564

Family Applications (1)

Application Number Title Priority Date Filing Date
FR988556D Expired FR988556A (en) 1944-01-10 1944-01-10 Improvement in piezoelectric elements

Country Status (2)

Country Link
US (1) US2511624A (en)
FR (1) FR988556A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4986287A (en) * 1988-10-24 1991-01-22 B.A.T. Cigarettenfabriken Gmbh Coaxial cigarette

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2872600A (en) * 1953-04-14 1959-02-03 Sprague Electric Co Ferroelectric transducer
US2914686A (en) * 1953-10-06 1959-11-24 Texaco Inc Crystal microphone
US2894317A (en) * 1954-06-07 1959-07-14 Spence T Marks Method for constructing a barium titanate blast velocity gauge
US3044151A (en) * 1954-09-03 1962-07-17 Myron A Coler Method of making electrically conductive terminals
US2916265A (en) * 1954-11-22 1959-12-08 Ultrasonic Dev Inc Ultrasonic apparatus
US2901644A (en) * 1955-12-05 1959-08-25 Tibbetts Lab Inc Electromechanical device and method of making same
US2824979A (en) * 1955-12-19 1958-02-25 Welding Service Inc Ultrasonic fissure detector
US2978597A (en) * 1956-03-14 1961-04-04 Harris Transducer Corp Circuit element transducer
US2881336A (en) * 1956-05-04 1959-04-07 Sperry Prod Inc Damping means for piezo-electric crystals
US3179826A (en) * 1961-09-14 1965-04-20 Trott Winfield James Piezolelectric assembly
US3258543A (en) * 1962-10-01 1966-06-28 Electro Voice Dynamic microphone
GB2050918B (en) * 1979-06-06 1982-12-15 Rolls Royce Manufacture and inspection of an article
US4849668A (en) * 1987-05-19 1989-07-18 Massachusetts Institute Of Technology Embedded piezoelectric structure and control
US5578888A (en) * 1994-12-05 1996-11-26 Kulicke And Soffa Investments, Inc. Multi resonance unibody ultrasonic transducer

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1812977A (en) * 1925-11-25 1931-07-07 American Telephone & Telegraph Oscillation generator
US1766042A (en) * 1926-12-20 1930-06-24 Fed Telegraph Co Composite piezo-electric crystal device
US2415832A (en) * 1942-12-31 1947-02-18 Bell Telephone Labor Inc Radiation absorber
US2386692A (en) * 1944-04-05 1945-10-09 Walter E Kuenstler Crystal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4986287A (en) * 1988-10-24 1991-01-22 B.A.T. Cigarettenfabriken Gmbh Coaxial cigarette

Also Published As

Publication number Publication date
US2511624A (en) 1950-06-13

Similar Documents

Publication Publication Date Title
FR908631A (en) Aero-engine improvements
FR988556A (en) Improvement in piezoelectric elements
FR930376A (en) Developments for growers
FR912586A (en) Improvements to metal construction elements
FR919842A (en) Improvements in radioreceptors
FR992896A (en) Concrete improvements
FR952102A (en) Improvement in assembly elements
FR905710A (en) Improvements in cotton trades
FR910761A (en) Improvement in self-propelled projectiles
FR911020A (en) Improvements to construction elements
FR901643A (en) Improvement in V-belts
FR925735A (en) Improvements to construction elements
FR953147A (en) Improvements to construction elements
FR910750A (en) Screen improvement
FR911958A (en) Improvements to grinders
FR992996A (en) Improvement in gasifiers
FR913836A (en) Improvements to construction elements
FR916659A (en) Compressor improvements
FR928904A (en) Improvements in teleprinter
FR911104A (en) New roof elements
FR927747A (en) Improvements to building construction elements
FR907363A (en) Toy improvement
FR931743A (en) Key refinements
FR906494A (en) Improvement in direction finders
FR990634A (en) Improvement in demountable constructions