BE723818A - - Google Patents
Info
- Publication number
- BE723818A BE723818A BE723818DA BE723818A BE 723818 A BE723818 A BE 723818A BE 723818D A BE723818D A BE 723818DA BE 723818 A BE723818 A BE 723818A
- 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
- H03H9/30—Time-delay networks
- H03H9/36—Time-delay networks with non-adjustable delay time
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Transducers For Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR128274 | 1967-11-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE723818A true BE723818A (en) | 1969-05-14 |
Family
ID=8641727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE723818D BE723818A (en) | 1967-11-15 | 1968-11-14 |
Country Status (4)
| Country | Link |
|---|---|
| BE (1) | BE723818A (en) |
| DE (1) | DE1806909A1 (en) |
| FR (1) | FR1559651A (en) |
| GB (1) | GB1234266A (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4890647A (en) * | 1971-05-14 | 1973-11-26 | Matsushita Electric Ind Co Ltd | |
| JPS4890648A (en) * | 1972-03-06 | 1973-11-26 | ||
| JPS4890646A (en) * | 1972-03-06 | 1973-11-26 | ||
| JPS492459A (en) * | 1972-04-18 | 1974-01-10 | ||
| JPS492465A (en) * | 1972-04-18 | 1974-01-10 | ||
| JPS492457A (en) * | 1972-04-18 | 1974-01-10 | ||
| JPS492458A (en) * | 1972-04-18 | 1974-01-10 | ||
| JPS493546A (en) * | 1972-04-21 | 1974-01-12 | ||
| JPS493545A (en) * | 1972-04-21 | 1974-01-12 | ||
| JPS496857A (en) * | 1972-05-08 | 1974-01-22 | ||
| JPS4917946A (en) * | 1972-06-07 | 1974-02-16 | ||
| JPS4918241A (en) * | 1972-06-08 | 1974-02-18 |
-
1967
- 1967-11-15 FR FR1559651D patent/FR1559651A/fr not_active Expired
-
1968
- 1968-11-05 DE DE19681806909 patent/DE1806909A1/en active Pending
- 1968-11-07 GB GB1234266D patent/GB1234266A/en not_active Expired
- 1968-11-14 BE BE723818D patent/BE723818A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE1806909A1 (en) | 1969-06-19 |
| GB1234266A (en) | 1971-06-03 |
| FR1559651A (en) | 1969-03-14 |