JPS52120694A - Electronic clock - Google Patents
Electronic clockInfo
- Publication number
- JPS52120694A JPS52120694A JP3754476A JP3754476A JPS52120694A JP S52120694 A JPS52120694 A JP S52120694A JP 3754476 A JP3754476 A JP 3754476A JP 3754476 A JP3754476 A JP 3754476A JP S52120694 A JPS52120694 A JP S52120694A
- Authority
- JP
- Japan
- Prior art keywords
- electronic clock
- vibrator
- smallsized
- piezoelectricity
- facilitates
- 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
- 238000000034 method Methods 0.000 abstract 2
- 238000005530 etching Methods 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
Landscapes
- Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Electric Clocks (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Abstract
PURPOSE:To obtain the vibrator for the electronic clock use, which is very smallsized and facilitates the adjustment, by using the fixed material having piezoelectricity, and also processing the vibrator shape by the etching process technique.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3754476A JPS52120694A (en) | 1976-04-02 | 1976-04-02 | Electronic clock |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3754476A JPS52120694A (en) | 1976-04-02 | 1976-04-02 | Electronic clock |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52120694A true JPS52120694A (en) | 1977-10-11 |
Family
ID=12500459
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3754476A Pending JPS52120694A (en) | 1976-04-02 | 1976-04-02 | Electronic clock |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52120694A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385259A1 (en) * | 1977-03-22 | 1978-10-20 | Seiko Instr & Electronics | LITHIUM TANTALATE RESONATOR |
JPH02161804A (en) * | 1989-01-10 | 1990-06-21 | Murata Mfg Co Ltd | Piezoelectric tuning fork vibrator |
-
1976
- 1976-04-02 JP JP3754476A patent/JPS52120694A/en active Pending
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2385259A1 (en) * | 1977-03-22 | 1978-10-20 | Seiko Instr & Electronics | LITHIUM TANTALATE RESONATOR |
JPH02161804A (en) * | 1989-01-10 | 1990-06-21 | Murata Mfg Co Ltd | Piezoelectric tuning fork vibrator |
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