FR884706A - - Google Patents
Info
- Publication number
- FR884706A FR884706A FR884706DA FR884706A FR 884706 A FR884706 A FR 884706A FR 884706D A FR884706D A FR 884706DA FR 884706 A FR884706 A FR 884706A
- Authority
- FR
- France
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR884706A true FR884706A (nl) | 1943-08-25 |
Family
ID=1556309
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR884706D Expired FR884706A (nl) |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR884706A (nl) |
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0
- FR FR884706D patent/FR884706A/fr not_active Expired