GB1491316A - Electromechanical filter assemblies - Google Patents
Electromechanical filter assembliesInfo
- Publication number
- GB1491316A GB1491316A GB36379/75A GB3637975A GB1491316A GB 1491316 A GB1491316 A GB 1491316A GB 36379/75 A GB36379/75 A GB 36379/75A GB 3637975 A GB3637975 A GB 3637975A GB 1491316 A GB1491316 A GB 1491316A
- Authority
- GB
- United Kingdom
- Prior art keywords
- filter
- mechanical
- base plate
- depressions
- electro
- Prior art date
- 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.)
- Expired
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 |
---|---|
GB1491316A true GB1491316A (en) | 1977-11-09 |
Family
ID=5925997
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB36379/75A Expired GB1491316A (en) | 1974-09-17 | 1975-09-04 | Electromechanical filter assemblies |
Country Status (13)
Country | Link |
---|---|
JP (1) | JPS558047B2 (de) |
AU (1) | AU498698B2 (de) |
BE (1) | BE833522A (de) |
BR (1) | BR7505969A (de) |
CH (1) | CH611090A5 (de) |
DK (1) | DK143530C (de) |
FR (1) | FR2285747A1 (de) |
GB (1) | GB1491316A (de) |
IL (1) | IL48094A (de) |
IT (1) | IT1042515B (de) |
LU (1) | LU73235A1 (de) |
NL (1) | NL161635C (de) |
SE (1) | SE409391B (de) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH491544A (de) * | 1968-05-29 | 1970-05-31 | Siemens Ag | Elektromechanische Filter mit wenigstens drei parallel zueinander angeordneten Biegeresonatoren |
CH491545A (de) * | 1968-05-29 | 1970-05-31 | Siemens Ag | Elektromechanisches Filter |
-
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 DK DK413075A patent/DK143530C/da 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 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 |
---|---|
BE833522A (fr) | 1976-01-16 |
BR7505969A (pt) | 1976-08-03 |
IT1042515B (it) | 1980-01-30 |
LU73235A1 (de) | 1976-03-02 |
DE2444419B2 (de) | 1976-10-21 |
DK143530B (da) | 1981-08-31 |
SE409391B (sv) | 1979-08-13 |
NL7510893A (nl) | 1976-03-19 |
CH611090A5 (en) | 1979-05-15 |
JPS5156157A (de) | 1976-05-17 |
DE2444419A1 (de) | 1976-04-01 |
DK413075A (da) | 1976-03-18 |
JPS558047B2 (de) | 1980-03-01 |
NL161635C (nl) | 1980-02-15 |
DK143530C (da) | 1982-01-11 |
FR2285747A1 (fr) | 1976-04-16 |
AU498698B2 (en) | 1979-03-22 |
IL48094A0 (en) | 1975-11-25 |
IL48094A (en) | 1977-11-30 |
AU8487275A (en) | 1977-03-24 |
SE7510074L (sv) | 1976-03-18 |
FR2285747B1 (de) | 1979-03-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PCNP | Patent ceased through non-payment of renewal fee |