FR2264423A1 - Filter with narrow frequency pass-bond - uses resonators each comprising cylindrical tube vibrating longitudinally - Google Patents
Filter with narrow frequency pass-bond - uses resonators each comprising cylindrical tube vibrating longitudinallyInfo
- Publication number
- FR2264423A1 FR2264423A1 FR7408317A FR7408317A FR2264423A1 FR 2264423 A1 FR2264423 A1 FR 2264423A1 FR 7408317 A FR7408317 A FR 7408317A FR 7408317 A FR7408317 A FR 7408317A FR 2264423 A1 FR2264423 A1 FR 2264423A1
- Authority
- FR
- France
- Prior art keywords
- filter
- bond
- cylindrical tube
- resonator tubes
- narrow frequency
- 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.)
- Granted
Links
- 230000008878 coupling Effects 0.000 abstract 2
- 238000010168 coupling process Methods 0.000 abstract 2
- 238000005859 coupling reaction Methods 0.000 abstract 2
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
- H03H9/50—Mechanical coupling means
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7408317A FR2264423A1 (en) | 1974-03-12 | 1974-03-12 | Filter with narrow frequency pass-bond - uses resonators each comprising cylindrical tube vibrating longitudinally |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7408317A FR2264423A1 (en) | 1974-03-12 | 1974-03-12 | Filter with narrow frequency pass-bond - uses resonators each comprising cylindrical tube vibrating longitudinally |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2264423A1 true FR2264423A1 (en) | 1975-10-10 |
| FR2264423B1 FR2264423B1 (enExample) | 1978-01-06 |
Family
ID=9136169
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7408317A Granted FR2264423A1 (en) | 1974-03-12 | 1974-03-12 | Filter with narrow frequency pass-bond - uses resonators each comprising cylindrical tube vibrating longitudinally |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2264423A1 (enExample) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100506A (en) * | 1975-11-20 | 1978-07-11 | Societe Lignes Telegraphiques Et Telephoniques | Electromechanical filter |
-
1974
- 1974-03-12 FR FR7408317A patent/FR2264423A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4100506A (en) * | 1975-11-20 | 1978-07-11 | Societe Lignes Telegraphiques Et Telephoniques | Electromechanical filter |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2264423B1 (enExample) | 1978-01-06 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |