JPS5623013A - Torsional oscillator of tuning fork type - Google Patents
Torsional oscillator of tuning fork typeInfo
- Publication number
- JPS5623013A JPS5623013A JP9898479A JP9898479A JPS5623013A JP S5623013 A JPS5623013 A JP S5623013A JP 9898479 A JP9898479 A JP 9898479A JP 9898479 A JP9898479 A JP 9898479A JP S5623013 A JPS5623013 A JP S5623013A
- Authority
- JP
- Japan
- Prior art keywords
- tuning fork
- type
- fork type
- resonant frequency
- fed
- 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.)
- Pending
Links
- 239000010453 quartz Substances 0.000 abstract 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 abstract 2
- 239000007787 solid Substances 0.000 abstract 2
- 230000005684 electric field Effects 0.000 abstract 1
- 230000010355 oscillation 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
- H03H9/21—Crystal tuning forks
- H03H9/215—Crystal tuning forks consisting of quartz
Abstract
PURPOSE:To make possible the tuning fork resonance torsional quartz oscillator, by forming the torsional oscillation with tuning fork type and taking care of the electrode arrangement. CONSTITUTION:When an AC voltage is fed to the electrodes 10, 10b, 11, 11c-11d, via the terminals 12 and 13, an electric field is fed to the quartz oscillator 9 as shown in solid and dotted lines. As a result, the tuning fork oscillates toward the arrow shown in the solid and dotted lines on the connecting electrodes 11a, 11b at the tip of the tuning fork. Next, taking consideration of the resonant frequency f2, the resonant frequency f2 is f2proportional 1/(2L2+L3), where the length of the tuning fork is L2 and L3 is the distance between the arms of tuning fork, and if L3 is equal to L2, the resonance frequency of the tuning fork type is smaller than conventional both-end free type, about 1/2. Thus, in other words, when the resonant frequency of the both-end free type and the tuning fork type is the same, the length L2 of the tuning fork type can be made smaller than that of conventional type, allowing to achieve small size unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9898479A JPS5623013A (en) | 1979-08-02 | 1979-08-02 | Torsional oscillator of tuning fork type |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9898479A JPS5623013A (en) | 1979-08-02 | 1979-08-02 | Torsional oscillator of tuning fork type |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5623013A true JPS5623013A (en) | 1981-03-04 |
Family
ID=14234257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9898479A Pending JPS5623013A (en) | 1979-08-02 | 1979-08-02 | Torsional oscillator of tuning fork type |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5623013A (en) |
-
1979
- 1979-08-02 JP JP9898479A patent/JPS5623013A/en active Pending
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