JPS567088A - Electronic time-keeper - Google Patents
Electronic time-keeperInfo
- Publication number
- JPS567088A JPS567088A JP8145279A JP8145279A JPS567088A JP S567088 A JPS567088 A JP S567088A JP 8145279 A JP8145279 A JP 8145279A JP 8145279 A JP8145279 A JP 8145279A JP S567088 A JPS567088 A JP S567088A
- Authority
- JP
- Japan
- Prior art keywords
- key
- sounding
- output
- generated
- zero
- 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
Landscapes
- Electric Clocks (AREA)
Abstract
PURPOSE: To allow a single key to function for a multiplicity of applications by using not only an operating key closing but also opening on each function detecting unit.
CONSTITUTION: When zero output is generated by opening a start/stop key SK, times on a time-keeper memory TM and a snooze memory SM coincide with each other, and if so, then an output is generated from a coincidence detecting means C, which actuates a buzzer driving control circuit BC to sounding. After a given period of time, the means BC stops sounding according to a signal from a driving stop signal generating means DS. Then, it operates for sounding intermittently at intervals of 5min according to an output 1 of the key SK, and a display tube 5 flickers. Next, when an N output of a counting detector CD and a zero detector ZD is generated while a down counter CD stops operating, and if the key SK is opened, conditions of AND circuit are satisfied and the counter CD starts counting. Sounding starts simultaneously with the count value coming to zero. Where the key SK is closed, FF is reset to stop sounding.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8145279A JPS567088A (en) | 1979-06-29 | 1979-06-29 | Electronic time-keeper |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP8145279A JPS567088A (en) | 1979-06-29 | 1979-06-29 | Electronic time-keeper |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS567088A true JPS567088A (en) | 1981-01-24 |
Family
ID=13746788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP8145279A Pending JPS567088A (en) | 1979-06-29 | 1979-06-29 | Electronic time-keeper |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS567088A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59195228U (en) * | 1983-06-14 | 1984-12-25 | ミヤマ造船株式会社 | Clutch for small ships |
-
1979
- 1979-06-29 JP JP8145279A patent/JPS567088A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59195228U (en) * | 1983-06-14 | 1984-12-25 | ミヤマ造船株式会社 | Clutch for small ships |
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