CH444574A4 - - Google Patents
Info
- Publication number
- CH444574A4 CH444574A4 CH444574D CH444574D CH444574A4 CH 444574 A4 CH444574 A4 CH 444574A4 CH 444574 D CH444574 D CH 444574D CH 444574 D CH444574 D CH 444574D CH 444574 A4 CH444574 A4 CH 444574A4
- Authority
- CH
- Switzerland
Links
Classifications
-
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/15—Constructional features of resonators consisting of piezoelectric or electrostrictive material
- H03H9/21—Crystal tuning forks
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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3818873U JPS49138768U (xx) | 1973-03-29 | 1973-03-29 | |
| JP3818973U JPS49138769U (xx) | 1973-03-29 | 1973-03-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH444574A4 true CH444574A4 (xx) | 1976-12-31 |
Family
ID=26377387
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH444574D CH444574A4 (xx) | 1973-03-29 | 1974-03-29 | |
| CH444574A CH589889B5 (xx) | 1973-03-29 | 1974-03-29 |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH444574A CH589889B5 (xx) | 1973-03-29 | 1974-03-29 |
Country Status (2)
| Country | Link |
|---|---|
| CH (2) | CH444574A4 (xx) |
| GB (1) | GB1441192A (xx) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI124103B (fi) | 2010-02-22 | 2014-03-14 | Murata Electronics Oy | Parannettu mikromekaaninen resonaattori |
-
1974
- 1974-03-25 GB GB1309874A patent/GB1441192A/en not_active Expired
- 1974-03-29 CH CH444574D patent/CH444574A4/xx unknown
- 1974-03-29 CH CH444574A patent/CH589889B5/xx not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| CH589889B5 (xx) | 1977-07-29 |
| GB1441192A (en) | 1976-06-30 |