NL64738C - - Google Patents
Info
- Publication number
- NL64738C NL64738C NL95757A NL95757A NL64738C NL 64738 C NL64738 C NL 64738C NL 95757 A NL95757 A NL 95757A NL 95757 A NL95757 A NL 95757A NL 64738 C NL64738 C NL 64738C
- Authority
- NL
- Netherlands
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
- H03H9/15—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 devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/05—Holders; 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 |
|---|---|
| NL64738C true NL64738C (en) | 1949-11-15 |
Family
ID=22898307
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL95757A NL64738C (en) | 1938-11-03 | 1939-11-03 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US2202391A (en) |
| FR (1) | FR862048A (en) |
| GB (1) | GB533204A (en) |
| NL (1) | NL64738C (en) |
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 (en) * | 1982-02-09 | 1983-08-15 | Nec Corp | Thin-film piezoelectric compound oscillator |
| 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/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2202391A (en) | 1940-05-28 |
| FR862048A (en) | 1941-02-25 |
| GB533204A (en) | 1941-02-07 |