JPS5479668A - Alarm watch - Google Patents
Alarm watchInfo
- Publication number
- JPS5479668A JPS5479668A JP14671577A JP14671577A JPS5479668A JP S5479668 A JPS5479668 A JP S5479668A JP 14671577 A JP14671577 A JP 14671577A JP 14671577 A JP14671577 A JP 14671577A JP S5479668 A JPS5479668 A JP S5479668A
- Authority
- JP
- Japan
- Prior art keywords
- counter
- alarm
- time intervals
- contents
- switch
- 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)
- Measurement Of Predetermined Time Intervals (AREA)
Abstract
PURPOSE: To enable the time intervals at which an alarm is made depending upon the duration of the preset time intervals to be automatically adjusted by providing a circuit of setting the alarm time by the set contents of a set counter.
CONSTITUTION: While an unlock switch 1 is held turned ON, the input of the alarm time intervals from a switch 3 may be inputted to a set counter 5 and when the unlock switch 1 is turned OFF, the contents of a set counter 5 are retransferred to a down counter 6 and at the same time the down counter 6 is made to perform subtraction operation by the 1 Hz signal from terminal 8, whereby a second counter 18 is operated. The length of the alarm time intervals having been set in the set counter 5 is detected by passing the output from the second counter 18 to AND gates 20, 22 24, thus an alarm 27 may be sounded at desired time intervals.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14671577A JPS5479668A (en) | 1977-12-07 | 1977-12-07 | Alarm watch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14671577A JPS5479668A (en) | 1977-12-07 | 1977-12-07 | Alarm watch |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5479668A true JPS5479668A (en) | 1979-06-25 |
Family
ID=15413893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14671577A Pending JPS5479668A (en) | 1977-12-07 | 1977-12-07 | Alarm watch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5479668A (en) |
-
1977
- 1977-12-07 JP JP14671577A patent/JPS5479668A/en active Pending
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