IT1042515B - Dispositivo di filtraggio dotato di almeno due filtri elettromec canici disposti sl una piastra fondamentale - Google Patents
Dispositivo di filtraggio dotato di almeno due filtri elettromec canici disposti sl una piastra fondamentaleInfo
- Publication number
- IT1042515B IT1042515B IT27188/75A IT2718875A IT1042515B IT 1042515 B IT1042515 B IT 1042515B IT 27188/75 A IT27188/75 A IT 27188/75A IT 2718875 A IT2718875 A IT 2718875A IT 1042515 B IT1042515 B IT 1042515B
- Authority
- IT
- Italy
- Prior art keywords
- elettromec
- filters
- filtering equipment
- equipment equipped
- basic plate
- Prior art date
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
- H03H9/48—Coupling means therefor
- H03H9/50—Mechanical coupling means
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19742444419 DE2444419C3 (de) | 1974-09-17 | Filteranordnung mit wenigstens zwei auf einer Grundplatte angeordneten elektromechanischen Filtern |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1042515B true IT1042515B (it) | 1980-01-30 |
Family
ID=5925997
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT27188/75A IT1042515B (it) | 1974-09-17 | 1975-09-12 | Dispositivo di filtraggio dotato di almeno due filtri elettromec canici disposti sl una piastra fondamentale |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS558047B2 (it) |
| AU (1) | AU498698B2 (it) |
| BE (1) | BE833522A (it) |
| BR (1) | BR7505969A (it) |
| CH (1) | CH611090A5 (it) |
| DK (1) | DK143530C (it) |
| FR (1) | FR2285747A1 (it) |
| GB (1) | GB1491316A (it) |
| IL (1) | IL48094A (it) |
| IT (1) | IT1042515B (it) |
| LU (1) | LU73235A1 (it) |
| NL (1) | NL161635C (it) |
| SE (1) | SE409391B (it) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH491545A (de) * | 1968-05-29 | 1970-05-31 | Siemens Ag | Elektromechanisches Filter |
| CH491544A (de) * | 1968-05-29 | 1970-05-31 | Siemens Ag | Elektromechanische Filter mit wenigstens drei parallel zueinander angeordneten Biegeresonatoren |
-
1975
- 1975-08-21 LU LU73235A patent/LU73235A1/xx unknown
- 1975-09-04 GB GB36379/75A patent/GB1491316A/en not_active Expired
- 1975-09-09 FR FR7527584A patent/FR2285747A1/fr active Granted
- 1975-09-10 SE SE7510074A patent/SE409391B/xx unknown
- 1975-09-12 IL IL48094A patent/IL48094A/en unknown
- 1975-09-12 IT IT27188/75A patent/IT1042515B/it active
- 1975-09-12 CH CH1187975A patent/CH611090A5/xx not_active IP Right Cessation
- 1975-09-16 NL NL7510893.A patent/NL161635C/xx not_active IP Right Cessation
- 1975-09-16 AU AU84872/75A patent/AU498698B2/en not_active Expired
- 1975-09-16 DK DK413075A patent/DK143530C/da not_active IP Right Cessation
- 1975-09-16 BR BR7505969*A patent/BR7505969A/pt unknown
- 1975-09-17 BE BE160131A patent/BE833522A/xx unknown
- 1975-09-17 JP JP11251075A patent/JPS558047B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU498698B2 (en) | 1979-03-22 |
| DK143530C (da) | 1982-01-11 |
| DK143530B (da) | 1981-08-31 |
| GB1491316A (en) | 1977-11-09 |
| AU8487275A (en) | 1977-03-24 |
| JPS5156157A (it) | 1976-05-17 |
| FR2285747A1 (fr) | 1976-04-16 |
| FR2285747B1 (it) | 1979-03-30 |
| SE409391B (sv) | 1979-08-13 |
| NL161635C (nl) | 1980-02-15 |
| BE833522A (fr) | 1976-01-16 |
| IL48094A (en) | 1977-11-30 |
| NL7510893A (nl) | 1976-03-19 |
| IL48094A0 (en) | 1975-11-25 |
| LU73235A1 (it) | 1976-03-02 |
| DE2444419B2 (de) | 1976-10-21 |
| JPS558047B2 (it) | 1980-03-01 |
| CH611090A5 (en) | 1979-05-15 |
| DE2444419A1 (de) | 1976-04-01 |
| BR7505969A (pt) | 1976-08-03 |
| SE7510074L (sv) | 1976-03-18 |
| DK413075A (da) | 1976-03-18 |
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