FR988556A - Improvement in piezoelectric elements - Google Patents
Improvement in piezoelectric elementsInfo
- 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
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
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
-
- 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 Transducers For Audible Bands (AREA)
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)
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)
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)
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 |
-
1944
- 1944-01-10 FR FR988556D patent/FR988556A/en not_active Expired
-
1946
- 1946-03-30 US US658415A patent/US2511624A/en not_active Expired - Lifetime
Cited By (1)
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 |
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