FR2176785A1 - - Google Patents
Info
- Publication number
- FR2176785A1 FR2176785A1 FR7309482A FR7309482A FR2176785A1 FR 2176785 A1 FR2176785 A1 FR 2176785A1 FR 7309482 A FR7309482 A FR 7309482A FR 7309482 A FR7309482 A FR 7309482A FR 2176785 A1 FR2176785 A1 FR 2176785A1
- 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.)
- Withdrawn
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
- H03H9/48—Coupling means therefor
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 |
|---|---|---|---|
| CH401772A CH543194A (de) | 1972-03-17 | 1972-03-17 | Elektromechanisches Bandfilter für Tonfrequenzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR2176785A1 true FR2176785A1 (show.php) | 1973-11-02 |
Family
ID=4268251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7309482A Withdrawn FR2176785A1 (show.php) | 1972-03-17 | 1973-03-16 |
Country Status (6)
| Country | Link |
|---|---|
| JP (1) | JPS4914063A (show.php) |
| AT (1) | AT319383B (show.php) |
| AU (1) | AU5334773A (show.php) |
| CH (1) | CH543194A (show.php) |
| DE (1) | DE2262405C3 (show.php) |
| FR (1) | FR2176785A1 (show.php) |
-
1972
- 1972-03-17 CH CH401772A patent/CH543194A/de not_active IP Right Cessation
- 1972-12-16 DE DE19722262405 patent/DE2262405C3/de not_active Expired
-
1973
- 1973-02-21 AT AT153673A patent/AT319383B/de active
- 1973-02-22 JP JP2171273A patent/JPS4914063A/ja active Pending
- 1973-03-15 AU AU53347/73A patent/AU5334773A/en not_active Expired
- 1973-03-16 FR FR7309482A patent/FR2176785A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| DE2262405A1 (de) | 1973-09-20 |
| JPS4914063A (show.php) | 1974-02-07 |
| AU5334773A (en) | 1974-09-19 |
| DE2262405C3 (de) | 1975-11-13 |
| DE2262405B2 (de) | 1975-03-27 |
| AT319383B (de) | 1974-12-27 |
| CH543194A (de) | 1973-10-15 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Withdrawal of published application |