JPS5411770A - Electronic watch - Google Patents
Electronic watchInfo
- Publication number
- JPS5411770A JPS5411770A JP7731377A JP7731377A JPS5411770A JP S5411770 A JPS5411770 A JP S5411770A JP 7731377 A JP7731377 A JP 7731377A JP 7731377 A JP7731377 A JP 7731377A JP S5411770 A JPS5411770 A JP S5411770A
- Authority
- JP
- Japan
- Prior art keywords
- electronic watch
- crystal
- vibrators
- improve
- yield
- 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
- 239000013078 crystal Substances 0.000 abstract 4
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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electric Clocks (AREA)
Abstract
PURPOSE:To improve temperature characteristics and improve the yield of crystal vibrators by providing at least two or more crystal vibrators or crystal blocks in an electronic watch having crystal units.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7731377A JPS5411770A (en) | 1977-06-28 | 1977-06-28 | Electronic watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7731377A JPS5411770A (en) | 1977-06-28 | 1977-06-28 | Electronic watch |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5411770A true JPS5411770A (en) | 1979-01-29 |
Family
ID=13630418
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7731377A Pending JPS5411770A (en) | 1977-06-28 | 1977-06-28 | Electronic watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5411770A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62274057A (en) * | 1986-05-20 | 1987-11-28 | Aichi Steel Works Ltd | Soft-magnetic stainless steel for cold forging |
JPS63230827A (en) * | 1987-03-20 | 1988-09-27 | Sumitomo Metal Ind Ltd | Manufacture of ferritic stainless steel sheet excellent in thermal fatigue characteristic |
US5709836A (en) * | 1994-07-05 | 1998-01-20 | Kawasaki Steel Corporation | Chromium steel sheets having an excellent press formability |
-
1977
- 1977-06-28 JP JP7731377A patent/JPS5411770A/en active Pending
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62274057A (en) * | 1986-05-20 | 1987-11-28 | Aichi Steel Works Ltd | Soft-magnetic stainless steel for cold forging |
JPS63230827A (en) * | 1987-03-20 | 1988-09-27 | Sumitomo Metal Ind Ltd | Manufacture of ferritic stainless steel sheet excellent in thermal fatigue characteristic |
US5709836A (en) * | 1994-07-05 | 1998-01-20 | Kawasaki Steel Corporation | Chromium steel sheets having an excellent press formability |
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