BE348417A - - Google Patents
Info
- Publication number
- BE348417A BE348417A BE348417DA BE348417A BE 348417 A BE348417 A BE 348417A BE 348417D A BE348417D A BE 348417DA BE 348417 A BE348417 A BE 348417A
- Authority
- BE
- Belgium
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
- H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator consisting of quartz
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE284357T | 1927-01-28 | ||
US248145A US1869556A (en) | 1927-01-28 | 1928-01-20 | Method and means for vibrating crystals |
US463805A US1874960A (en) | 1927-01-28 | 1930-06-25 | Means for vibrating crystals |
Publications (1)
Publication Number | Publication Date |
---|---|
BE348417A true BE348417A (hu) |
Family
ID=31950062
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE348417D BE348417A (hu) | 1927-01-28 | ||
BE34841D BE34841A (hu) | 1927-01-28 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE34841D BE34841A (hu) | 1927-01-28 |
Country Status (4)
Country | Link |
---|---|
US (1) | US1874960A (hu) |
BE (2) | BE34841A (hu) |
FR (1) | FR652814A (hu) |
GB (1) | GB284357A (hu) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2719929A (en) * | 1955-10-04 | brown | ||
US2774892A (en) * | 1951-05-29 | 1956-12-18 | Bendix Aviat Corp | Annular vibrator with lumped loading |
US2944117A (en) * | 1955-06-20 | 1960-07-05 | Erie Resistor Corp | Bender type piezoelectric transducer |
NL236717A (hu) * | 1958-03-03 | |||
CH607880B (fr) * | 1976-01-16 | Centre Electron Horloger | Resonateur piezo-electrique. |
-
0
- BE BE348417D patent/BE348417A/xx unknown
- BE BE34841D patent/BE34841A/xx unknown
-
1928
- 1928-01-27 FR FR652814D patent/FR652814A/fr not_active Expired
- 1928-01-28 GB GB2840/28A patent/GB284357A/en not_active Expired
-
1930
- 1930-06-25 US US463805A patent/US1874960A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
GB284357A (hu) | 1929-04-29 |
FR652814A (fr) | 1929-03-13 |
US1874960A (en) | 1932-08-30 |
BE34841A (hu) |