NL7306057A - - Google Patents
Info
- Publication number
- NL7306057A NL7306057A NL7306057A NL7306057A NL7306057A NL 7306057 A NL7306057 A NL 7306057A NL 7306057 A NL7306057 A NL 7306057A NL 7306057 A NL7306057 A NL 7306057A NL 7306057 A NL7306057 A NL 7306057A
- Authority
- NL
- Netherlands
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
- H03H9/46—Filters
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 |
|---|---|---|---|
| CH2673A CH554109A (de) | 1973-01-02 | 1973-01-02 | Mechanisches band-filter mit elektromechanischen wandlern fuer tiefe tonfrequenzen. |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| NL7306057A true NL7306057A (xx) | 1974-07-04 |
Family
ID=4177680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL7306057A NL7306057A (xx) | 1973-01-02 | 1973-05-01 |
Country Status (3)
| Country | Link |
|---|---|
| CH (1) | CH554109A (xx) |
| DE (1) | DE2305287A1 (xx) |
| NL (1) | NL7306057A (xx) |
-
1973
- 1973-01-02 CH CH2673A patent/CH554109A/xx not_active IP Right Cessation
- 1973-01-31 DE DE19732305287 patent/DE2305287A1/de active Pending
- 1973-05-01 NL NL7306057A patent/NL7306057A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE2305287B2 (xx) | 1975-04-03 |
| DE2305287A1 (de) | 1974-07-11 |
| CH554109A (de) | 1974-09-13 |