JPS55112586A - Calendar watch - Google Patents
Calendar watchInfo
- Publication number
- JPS55112586A JPS55112586A JP2028579A JP2028579A JPS55112586A JP S55112586 A JPS55112586 A JP S55112586A JP 2028579 A JP2028579 A JP 2028579A JP 2028579 A JP2028579 A JP 2028579A JP S55112586 A JPS55112586 A JP S55112586A
- Authority
- JP
- Japan
- Prior art keywords
- convexes
- month
- date
- advance
- date wheel
- 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.)
- Granted
Links
Landscapes
- Electromechanical Clocks (AREA)
Abstract
PURPOSE: To realize an automatic calendar watch without damaging the appearance of the conventional calendar watch, by setting a month and a leap year with operations of the crown, etc., while reading numbers of the date wheel as month display.
CONSTITUTION: 12 convexes 17aW17l are provided in the lower part of date wheel 1, and a month is set by these convexes. 4 convexes 18aW18d provided in the lower part of date wheel 1 correspond to the 20thW23rd of a date display respectively, and a leap year is set by these convexes. When day advance pawl 2 starts day advance at the end of the month, switch 16 is brought into contact with convexes 5aW5c of the date wheel, and signals of the 29thW31st of a month are sent to a calendar decision circuit to decide the data. Further, when further day advance is required, a driving current is sent to coil 14, and date weel 1 is caused to advance by day advance date feed pinion 11.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2028579A JPS55112586A (en) | 1979-02-23 | 1979-02-23 | Calendar watch |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2028579A JPS55112586A (en) | 1979-02-23 | 1979-02-23 | Calendar watch |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55112586A true JPS55112586A (en) | 1980-08-30 |
JPS6111389B2 JPS6111389B2 (en) | 1986-04-02 |
Family
ID=12022888
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2028579A Granted JPS55112586A (en) | 1979-02-23 | 1979-02-23 | Calendar watch |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55112586A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003255063A (en) * | 2002-02-28 | 2003-09-10 | Seiko Epson Corp | Electronic clock having date display function |
CN100395672C (en) * | 2004-03-16 | 2008-06-18 | 伍凌宇 | Permanent calendar device for watches |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0619662U (en) * | 1992-05-06 | 1994-03-15 | 株式会社三村松 | Bellows bellows folding edge |
-
1979
- 1979-02-23 JP JP2028579A patent/JPS55112586A/en active Granted
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003255063A (en) * | 2002-02-28 | 2003-09-10 | Seiko Epson Corp | Electronic clock having date display function |
US7027360B2 (en) | 2002-02-28 | 2006-04-11 | Seiko Epson Corporation | Electronic timepiece with a date display function |
CN100395672C (en) * | 2004-03-16 | 2008-06-18 | 伍凌宇 | Permanent calendar device for watches |
Also Published As
Publication number | Publication date |
---|---|
JPS6111389B2 (en) | 1986-04-02 |
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