FR2243549B1 - - Google Patents
Info
- Publication number
- FR2243549B1 FR2243549B1 FR7430160A FR7430160A FR2243549B1 FR 2243549 B1 FR2243549 B1 FR 2243549B1 FR 7430160 A FR7430160 A FR 7430160A FR 7430160 A FR7430160 A FR 7430160A FR 2243549 B1 FR2243549 B1 FR 2243549B1
- 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.)
- Expired
Links
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H3/00—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators
- H03H3/007—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks
- H03H3/02—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks
- H03H3/04—Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators for the manufacture of electromechanical resonators or networks for the manufacture of piezoelectric or electrostrictive resonators or networks for obtaining desired frequency or temperature coefficient
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/87—Electrodes or interconnections, e.g. leads or terminals
- H10N30/877—Conductive materials
- H10N30/878—Conductive materials the principal material being non-metallic, e.g. oxide or carbon based
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Oscillators With Electromechanical Resonators (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2344892A DE2344892C2 (de) | 1973-09-06 | 1973-09-06 | Piezoelektrischer Schwinger |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2243549A1 FR2243549A1 (it) | 1975-04-04 |
| FR2243549B1 true FR2243549B1 (it) | 1979-05-11 |
Family
ID=5891769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7430160A Expired FR2243549B1 (it) | 1973-09-06 | 1974-09-05 |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5322439B2 (it) |
| DE (1) | DE2344892C2 (it) |
| FR (1) | FR2243549B1 (it) |
| GB (1) | GB1432519A (it) |
| IT (1) | IT1020429B (it) |
-
1973
- 1973-09-06 DE DE2344892A patent/DE2344892C2/de not_active Expired
-
1974
- 1974-08-29 GB GB3777074A patent/GB1432519A/en not_active Expired
- 1974-09-04 IT IT26903/74A patent/IT1020429B/it active
- 1974-09-05 FR FR7430160A patent/FR2243549B1/fr not_active Expired
- 1974-09-06 JP JP10216774A patent/JPS5322439B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1432519A (en) | 1976-04-22 |
| FR2243549A1 (it) | 1975-04-04 |
| JPS5322439B2 (it) | 1978-07-08 |
| DE2344892B1 (de) | 1974-04-25 |
| DE2344892C2 (de) | 1974-12-19 |
| JPS5074393A (it) | 1975-06-19 |
| IT1020429B (it) | 1977-12-20 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |