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 | 
|---|---|
| FR1394796A (fr) | 1965-04-09 | 
| LU47818A1 (enrdf_load_html_response) | 1965-03-22 |