CH952774A4 - - Google Patents
Info
- Publication number
- CH952774A4 CH952774A4 CH952774D CH952774D CH952774A4 CH 952774 A4 CH952774 A4 CH 952774A4 CH 952774 D CH952774 D CH 952774D CH 952774 D CH952774 D CH 952774D CH 952774 A4 CH952774 A4 CH 952774A4
- 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
- H03H9/215—Crystal tuning forks consisting of quartz
-
- 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 |
|---|---|---|---|
| JP7773773A JPS5334875B2 (enrdf_load_stackoverflow) | 1973-07-10 | 1973-07-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH952774A4 true CH952774A4 (enrdf_load_stackoverflow) | 1977-08-15 |
Family
ID=13642206
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH952774D CH952774A4 (enrdf_load_stackoverflow) | 1973-07-10 | 1974-07-10 | |
| CH952774A CH612820B5 (en) | 1973-07-10 | 1974-07-10 | Time standard for timepiece |
| CH1095377A CH617794A5 (en) | 1973-07-10 | 1977-09-07 | Quartz crystal vibrator |
Family Applications After (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH952774A CH612820B5 (en) | 1973-07-10 | 1974-07-10 | Time standard for timepiece |
| CH1095377A CH617794A5 (en) | 1973-07-10 | 1977-09-07 | Quartz crystal vibrator |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS5334875B2 (enrdf_load_stackoverflow) |
| CH (3) | CH952774A4 (enrdf_load_stackoverflow) |
| GB (1) | GB1444504A (enrdf_load_stackoverflow) |
| HK (1) | HK52978A (enrdf_load_stackoverflow) |
| MY (1) | MY7800425A (enrdf_load_stackoverflow) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5162775U (enrdf_load_stackoverflow) * | 1974-11-13 | 1976-05-18 | ||
| JPS5227291A (en) * | 1975-08-26 | 1977-03-01 | Seiko Epson Corp | Piezo-oscillator |
| JPS52135283A (en) * | 1976-05-07 | 1977-11-12 | Seiko Epson Corp | Tuning fork type crystal resonator |
| JPS5323589A (en) * | 1976-08-18 | 1978-03-04 | Seiko Epson Corp | Crystal vibrator |
| JPS5851687B2 (ja) * | 1976-10-22 | 1983-11-17 | セイコーインスツルメンツ株式会社 | 音叉型水晶振動子 |
| JPS5414176U (enrdf_load_stackoverflow) * | 1977-06-01 | 1979-01-30 | ||
| GB2125211A (en) * | 1982-08-03 | 1984-02-29 | Standard Telephones Cables Ltd | Mechanical support of piezoelectric devices |
| JPS59167108A (ja) * | 1984-03-09 | 1984-09-20 | Matsushita Electric Ind Co Ltd | 圧電磁器フイルタ |
| JPS61193492A (ja) * | 1985-02-21 | 1986-08-27 | Mitsubishi Petrochem Co Ltd | 圧電素子 |
| GB2202989B (en) * | 1987-04-02 | 1991-01-09 | Stc Plc | Crystal resonnator |
| JP3189231B2 (ja) * | 1991-01-30 | 2001-07-16 | 株式会社村田製作所 | 正の抵抗温度特性を有する半導体磁器 |
| EP2352227B1 (en) * | 2008-09-26 | 2019-08-14 | Daishinku Corporation | Tuning-fork-type piezoelectric vibrating piece and tuning-fork-type piezoelectric vibrating device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4516438Y1 (enrdf_load_stackoverflow) * | 1968-02-19 | 1970-07-08 | ||
| US3697789A (en) * | 1970-06-23 | 1972-10-10 | Citizen Watch Co Ltd | Mechanical oscillator |
| JPS49131088A (enrdf_load_stackoverflow) * | 1973-04-16 | 1974-12-16 | Suwa Seikosha Kk |
-
1973
- 1973-07-10 JP JP7773773A patent/JPS5334875B2/ja not_active Expired
-
1974
- 1974-06-24 GB GB2794674A patent/GB1444504A/en not_active Expired
- 1974-07-10 CH CH952774D patent/CH952774A4/xx unknown
- 1974-07-10 CH CH952774A patent/CH612820B5/xx not_active IP Right Cessation
-
1977
- 1977-09-07 CH CH1095377A patent/CH617794A5/fr not_active IP Right Cessation
-
1978
- 1978-09-14 HK HK52978A patent/HK52978A/xx unknown
- 1978-12-30 MY MY7800425A patent/MY7800425A/xx unknown
Also Published As
| Publication number | Publication date |
|---|---|
| GB1444504A (en) | 1976-08-04 |
| CH612820B5 (en) | 1979-08-31 |
| HK52978A (en) | 1978-09-22 |
| CH617794A5 (en) | 1980-06-13 |
| JPS5334875B2 (enrdf_load_stackoverflow) | 1978-09-22 |
| MY7800425A (en) | 1978-12-31 |
| JPS5027492A (enrdf_load_stackoverflow) | 1975-03-20 |