BE658575A - - Google Patents
Info
- Publication number
- BE658575A BE658575A BE658575A BE658575A BE658575A BE 658575 A BE658575 A BE 658575A BE 658575 A BE658575 A BE 658575A BE 658575 A BE658575 A BE 658575A BE 658575 A BE658575 A BE 658575A
- 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 elements; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
- H03H9/30—Time-delay networks
- H03H9/36—Time-delay networks with non-adjustable delay time
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR960994A FR1394796A (fr) | 1964-01-21 | 1964-01-21 | Lignes à retard à guide ultra sonore en acier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE658575A true BE658575A (enrdf_load_html_response) | 1965-05-17 |
Family
ID=8821349
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE658575A BE658575A (enrdf_load_html_response) | 1964-01-21 | 1965-01-20 |
Country Status (3)
| Country | Link |
|---|---|
| BE (1) | BE658575A (enrdf_load_html_response) |
| FR (1) | FR1394796A (enrdf_load_html_response) |
| LU (1) | LU47818A1 (enrdf_load_html_response) |
-
1964
- 1964-01-21 FR FR960994A patent/FR1394796A/fr not_active Expired
-
1965
- 1965-01-20 BE BE658575A patent/BE658575A/xx unknown
- 1965-01-21 LU LU47818A patent/LU47818A1/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| LU47818A1 (enrdf_load_html_response) | 1965-03-22 |
| FR1394796A (fr) | 1965-04-09 |