BE473656A - - Google Patents
Info
- Publication number
- BE473656A BE473656A BE473656DA BE473656A BE 473656 A BE473656 A BE 473656A BE 473656D A BE473656D A BE 473656DA BE 473656 A BE473656 A BE 473656A
- 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
- H03H9/02—Details
- H03H9/05—Holders; Supports
- H03H9/10—Mounting in enclosures
- H03H9/1007—Mounting in enclosures for bulk acoustic wave [BAW] devices
- H03H9/1014—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device
- H03H9/1028—Mounting in enclosures for bulk acoustic wave [BAW] devices the enclosure being defined by a frame built on a substrate and a cap, the frame having no mechanical contact with the BAW device the BAW device being held between spring terminals
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US551984A US2405181A (en) | 1944-08-30 | 1944-08-30 | Frequency determining unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE473656A true BE473656A (da) |
Family
ID=24203477
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE473656D BE473656A (da) | 1944-08-30 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2405181A (da) |
| BE (1) | BE473656A (da) |
| ES (1) | ES178453A1 (da) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2429826A (en) * | 1945-07-12 | 1947-10-28 | Walter E Kuenstler | Crystal holder |
-
0
- BE BE473656D patent/BE473656A/xx unknown
-
1944
- 1944-08-30 US US551984A patent/US2405181A/en not_active Expired - Lifetime
-
1947
- 1947-06-14 ES ES0178453A patent/ES178453A1/es not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US2405181A (en) | 1946-08-06 |
| ES178453A1 (es) | 1947-08-01 |