FR821898A - Piezoelectric devices - Google Patents
Piezoelectric devicesInfo
- Publication number
- FR821898A FR821898A FR821898DA FR821898A FR 821898 A FR821898 A FR 821898A FR 821898D A FR821898D A FR 821898DA FR 821898 A FR821898 A FR 821898A
- Authority
- FR
- France
- Prior art keywords
- piezoelectric devices
- piezoelectric
- devices
- 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 elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/56—Monolithic crystal filters
-
- 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
- H03H9/02007—Details of bulk acoustic wave devices
- H03H9/02086—Means for compensation or elimination of undesirable effects
- H03H9/02102—Means for compensation or elimination of undesirable effects of temperature influence
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/46—Filters
- H03H9/54—Filters comprising resonators of piezoelectric or electrostrictive material
- H03H9/545—Filters comprising resonators of piezoelectric or electrostrictive material including active elements
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US821898XA | 1936-05-19 | 1936-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR821898A true FR821898A (en) | 1937-12-15 |
Family
ID=22169608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR821898D Expired FR821898A (en) | 1936-05-19 | 1937-05-14 | Piezoelectric devices |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR821898A (en) |
-
1937
- 1937-05-14 FR FR821898D patent/FR821898A/en not_active Expired
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