GB533204A - Piezoelectric apparatus - Google Patents
Piezoelectric apparatusInfo
- Publication number
- GB533204A GB533204A GB28131/39A GB2813139A GB533204A GB 533204 A GB533204 A GB 533204A GB 28131/39 A GB28131/39 A GB 28131/39A GB 2813139 A GB2813139 A GB 2813139A GB 533204 A GB533204 A GB 533204A
- Authority
- GB
- United Kingdom
- Prior art keywords
- crystal
- supported
- bars
- piezo
- screws
- 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
- 239000013078 crystal Substances 0.000 abstract 4
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 abstract 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 abstract 1
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 abstract 1
- 239000002131 composite material Substances 0.000 abstract 1
- LJCNRYVRMXRIQR-OLXYHTOASA-L potassium sodium L-tartrate Chemical compound [Na+].[K+].[O-]C(=O)[C@H](O)[C@@H](O)C([O-])=O LJCNRYVRMXRIQR-OLXYHTOASA-L 0.000 abstract 1
- 238000000926 separation method Methods 0.000 abstract 1
- 229910052708 sodium Inorganic materials 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 235000011006 sodium potassium tartrate Nutrition 0.000 abstract 1
- 229940095064 tartrate Drugs 0.000 abstract 1
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
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
-
- 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
- H03H9/08—Holders with means for regulating temperature
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US238530A US2202391A (en) | 1938-11-03 | 1938-11-03 | Piezoelectric apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB533204A true GB533204A (en) | 1941-02-07 |
Family
ID=22898307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB28131/39A Expired GB533204A (en) | 1938-11-03 | 1939-10-18 | Piezoelectric apparatus |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2202391A (en, 2012) |
| FR (1) | FR862048A (en, 2012) |
| GB (1) | GB533204A (en, 2012) |
| NL (1) | NL64738C (en, 2012) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2803803A (en) * | 1957-08-20 | Electric | ||
| US2753529A (en) * | 1955-07-28 | 1956-07-03 | Rca Corp | Electromechanical resonator |
| US2978597A (en) * | 1956-03-14 | 1961-04-04 | Harris Transducer Corp | Circuit element transducer |
| US3123727A (en) * | 1960-06-15 | 1964-03-03 | Kritz | |
| US3225226A (en) * | 1961-09-08 | 1965-12-21 | Toko Radio Coil Kenkyusho Kk | Electrical vibrator |
| JPS58137317A (ja) * | 1982-02-09 | 1983-08-15 | Nec Corp | 圧電薄膜複合振動子 |
| US20050151443A1 (en) * | 2002-10-21 | 2005-07-14 | Lockheed Martin Corporation | Piezoelectric micro positioner for large temperature range |
-
1938
- 1938-11-03 US US238530A patent/US2202391A/en not_active Expired - Lifetime
-
1939
- 1939-10-18 GB GB28131/39A patent/GB533204A/en not_active Expired
- 1939-11-03 NL NL95757A patent/NL64738C/xx active
- 1939-12-01 FR FR862048D patent/FR862048A/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| NL64738C (en, 2012) | 1949-11-15 |
| FR862048A (fr) | 1941-02-25 |
| US2202391A (en) | 1940-05-28 |
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