DE3561774D1 - Thickness-shearing mode vibrator - Google Patents
Thickness-shearing mode vibratorInfo
- Publication number
- DE3561774D1 DE3561774D1 DE8585104023T DE3561774T DE3561774D1 DE 3561774 D1 DE3561774 D1 DE 3561774D1 DE 8585104023 T DE8585104023 T DE 8585104023T DE 3561774 T DE3561774 T DE 3561774T DE 3561774 D1 DE3561774 D1 DE 3561774D1
- Authority
- DE
- Germany
- Prior art keywords
- thickness
- shearing mode
- mode vibrator
- resonator
- auxiliary
- 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.)
- Expired
Links
- 238000010008 shearing Methods 0.000 title 1
- 230000005284 excitation Effects 0.000 abstract 1
Classifications
-
- 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
- H03H9/17—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator
- H03H9/19—Constructional features of resonators consisting of piezoelectric or electrostrictive material having a single resonator 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H9/00—Networks comprising electromechanical or electro-acoustic devices; Electromechanical resonators
- H03H9/02—Details
- H03H9/125—Driving means, e.g. electrodes, coils
- H03H9/13—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials
- H03H9/132—Driving means, e.g. electrodes, coils for networks consisting of piezoelectric or electrostrictive materials characterized by a particular shape
Landscapes
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- General Physics & Mathematics (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Surgical Instruments (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CH174384A CH655224GA3 (de) | 1984-04-06 | 1984-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3561774D1 true DE3561774D1 (en) | 1988-04-07 |
Family
ID=4217541
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8585104023T Expired DE3561774D1 (en) | 1984-04-06 | 1985-04-03 | Thickness-shearing mode vibrator |
Country Status (5)
Country | Link |
---|---|
US (1) | US4618798A (de) |
EP (1) | EP0158926B1 (de) |
JP (1) | JPS60229516A (de) |
CH (1) | CH655224GA3 (de) |
DE (1) | DE3561774D1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0459631B1 (de) * | 1990-04-27 | 1998-08-12 | Seiko Epson Corporation | In AT-Richtung geschnittenes Kristalloszillatorelement und sein Herstellungsverfahren |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2635199A (en) * | 1948-01-08 | 1953-04-14 | John M Wolfskill | Piezoelectric crystal apparatus |
JPS5173395A (en) * | 1974-12-20 | 1976-06-25 | Seiko Instr & Electronics | at katsutosuishoshindoshi |
JPS5253690A (en) * | 1975-10-28 | 1977-04-30 | Seiko Instr & Electronics Ltd | Thickness sliding crystal vibrator |
JPS5818808B2 (ja) * | 1975-10-28 | 1983-04-14 | セイコーインスツルメンツ株式会社 | アツミスベリスイシヨウシンドウシ |
JPS52127194A (en) * | 1976-04-19 | 1977-10-25 | Seiko Instr & Electronics Ltd | Crystal vibrator |
IT1078411B (it) * | 1977-04-08 | 1985-05-08 | Telettra Lab Telefon | Risuonatori a quarzo |
US4149102A (en) * | 1977-10-31 | 1979-04-10 | Motorola, Inc. | Piezoelectric monolithic crystal element having improved response |
JPS54131894A (en) * | 1978-04-05 | 1979-10-13 | Citizen Watch Co Ltd | Piezoelectric oscillator |
DE2939844A1 (de) * | 1978-12-21 | 1980-07-10 | Seiko Instr & Electronics | Quarzschwinger |
FR2464595A1 (fr) * | 1979-08-31 | 1981-03-06 | Ebauches Sa | Procede de detection d'asymetrie de resonateurs a cristal piezoelectrique en forme de diapason et resonateurs pour sa mise en oeuvre |
JPS57197906A (en) * | 1981-05-29 | 1982-12-04 | Seiko Instr & Electronics Ltd | Gt cut quartz oscillator |
JPS5910016A (ja) * | 1982-07-07 | 1984-01-19 | Fujitsu Ltd | 圧電振動素子 |
GB2124021A (en) * | 1982-07-16 | 1984-02-08 | Philips Electronic Associated | Piezo-electric resonator or filter |
-
1984
- 1984-04-06 CH CH174384A patent/CH655224GA3/fr unknown
-
1985
- 1985-02-28 US US06/706,830 patent/US4618798A/en not_active Expired - Fee Related
- 1985-04-03 DE DE8585104023T patent/DE3561774D1/de not_active Expired
- 1985-04-03 EP EP85104023A patent/EP0158926B1/de not_active Expired
- 1985-04-04 JP JP60070150A patent/JPS60229516A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
US4618798A (en) | 1986-10-21 |
EP0158926A1 (de) | 1985-10-23 |
JPS60229516A (ja) | 1985-11-14 |
CH655224GA3 (de) | 1986-04-15 |
EP0158926B1 (de) | 1988-03-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |