JPS5291470A - Portable electronic clock - Google Patents
Portable electronic clockInfo
- Publication number
- JPS5291470A JPS5291470A JP809776A JP809776A JPS5291470A JP S5291470 A JPS5291470 A JP S5291470A JP 809776 A JP809776 A JP 809776A JP 809776 A JP809776 A JP 809776A JP S5291470 A JPS5291470 A JP S5291470A
- Authority
- JP
- Japan
- Prior art keywords
- portable electronic
- electronic clock
- ordinary
- hand
- hand movement
- 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
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04C—ELECTROMECHANICAL CLOCKS OR WATCHES
- G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
- G04C3/14—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means incorporating a stepping motor
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Control Of Stepping Motors (AREA)
- Electromechanical Clocks (AREA)
Abstract
PURPOSE:To obtain correct hand movement by modulating the ordinary driving wave shape for the stepping motor when the hand is to be moved at a rate different from the ordinary hand movement.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP809776A JPS5291470A (en) | 1976-01-28 | 1976-01-28 | Portable electronic clock |
US05/760,890 US4150536A (en) | 1976-01-28 | 1977-01-21 | Electronic timepiece |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP809776A JPS5291470A (en) | 1976-01-28 | 1976-01-28 | Portable electronic clock |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5291470A true JPS5291470A (en) | 1977-08-01 |
JPS6147390B2 JPS6147390B2 (en) | 1986-10-18 |
Family
ID=11683797
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP809776A Granted JPS5291470A (en) | 1976-01-28 | 1976-01-28 | Portable electronic clock |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5291470A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57201884A (en) * | 1981-06-08 | 1982-12-10 | Seikosha Co Ltd | Clock with battery life alarming function |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11127595A (en) * | 1997-08-11 | 1999-05-11 | Seiko Epson Corp | Electronic equipment |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5822155U (en) * | 1981-08-04 | 1983-02-10 | 安久井 宥 | jump footwear |
-
1976
- 1976-01-28 JP JP809776A patent/JPS5291470A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5822155U (en) * | 1981-08-04 | 1983-02-10 | 安久井 宥 | jump footwear |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57201884A (en) * | 1981-06-08 | 1982-12-10 | Seikosha Co Ltd | Clock with battery life alarming function |
Also Published As
Publication number | Publication date |
---|---|
JPS6147390B2 (en) | 1986-10-18 |
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