CH576724A5 - - Google Patents
Info
- Publication number
- CH576724A5 CH576724A5 CH444674A CH444674A CH576724A5 CH 576724 A5 CH576724 A5 CH 576724A5 CH 444674 A CH444674 A CH 444674A CH 444674 A CH444674 A CH 444674A CH 576724 A5 CH576724 A5 CH 576724A5
- Authority
- CH
- Switzerland
Links
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
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
-
- G—PHYSICS
- G04—HOROLOGY
- G04F—TIME-INTERVAL MEASURING
- G04F5/00—Apparatus for producing preselected time intervals for use as timing standards
- G04F5/04—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses
- G04F5/06—Apparatus for producing preselected time intervals for use as timing standards using oscillators with electromechanical resonators producing electric oscillations or timing pulses using piezoelectric resonators
- G04F5/063—Constructional details
Landscapes
- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Electric Clocks (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3640273A JPS49123788A (cs) | 1973-03-30 | 1973-03-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH576724A5 true CH576724A5 (cs) | 1976-06-15 |
Family
ID=12468838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH444674A CH576724A5 (cs) | 1973-03-30 | 1974-03-29 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPS49123788A (cs) |
| CH (1) | CH576724A5 (cs) |
| GB (1) | GB1425435A (cs) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6025926B2 (ja) * | 1976-10-01 | 1985-06-21 | シャープ株式会社 | 水晶振動子 |
| JPS53153832U (cs) * | 1977-05-09 | 1978-12-04 | ||
| US4232109A (en) * | 1979-02-14 | 1980-11-04 | Citizen Watch Co., Ltd. | Method for manufacturing subminiature quartz crystal vibrator |
| NL8000297A (nl) * | 1980-01-17 | 1981-08-17 | Philips Nv | Piezoelektrische triller. |
| JPS6048926B2 (ja) * | 1983-06-27 | 1985-10-30 | セイコーエプソン株式会社 | 音叉型圧電振動子の支持構造 |
| EP1303042B1 (fr) * | 2001-10-09 | 2018-12-05 | Eta SA Fabriques d'Ebauches | Résonateur piézoélectrique et ensemble comprenant un tel résonateur enfermé dans un boîtier |
| TW567664B (en) | 2001-10-09 | 2003-12-21 | Ebauchesfabrik Eta Ag | Piezoelectric resonator and assembly comprising the same enclosed in a case |
| JP5381149B2 (ja) * | 2009-02-20 | 2014-01-08 | セイコーエプソン株式会社 | 振動片および振動子 |
| JP5633319B2 (ja) | 2010-03-17 | 2014-12-03 | セイコーエプソン株式会社 | 振動片、センサー素子、センサーおよび電子機器 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL261168A (cs) * | 1960-03-07 |
-
1973
- 1973-03-30 JP JP3640273A patent/JPS49123788A/ja active Pending
-
1974
- 1974-03-29 CH CH444674A patent/CH576724A5/xx not_active IP Right Cessation
- 1974-03-29 GB GB1406774A patent/GB1425435A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS49123788A (cs) | 1974-11-27 |
| GB1425435A (en) | 1976-02-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased | ||
| PL | Patent ceased |