JPH0115836B2 - - Google Patents
Info
- Publication number
- JPH0115836B2 JPH0115836B2 JP15125478A JP15125478A JPH0115836B2 JP H0115836 B2 JPH0115836 B2 JP H0115836B2 JP 15125478 A JP15125478 A JP 15125478A JP 15125478 A JP15125478 A JP 15125478A JP H0115836 B2 JPH0115836 B2 JP H0115836B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- alarm
- counter
- circuit
- volume
- 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.)
- Expired
Links
- 230000005236 sound signal Effects 0.000 claims description 12
- 239000013078 crystal Substances 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 239000000284 extract Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04G—ELECTRONIC TIME-PIECES
- G04G13/00—Producing acoustic time signals
- G04G13/02—Producing acoustic time signals at preselected times, e.g. alarm clocks
- G04G13/021—Details
- G04G13/023—Adjusting the duration or amplitude of signals
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15125478A JPS5576973A (en) | 1978-12-06 | 1978-12-06 | Alarm sound generator |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP15125478A JPS5576973A (en) | 1978-12-06 | 1978-12-06 | Alarm sound generator |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5576973A JPS5576973A (en) | 1980-06-10 |
JPH0115836B2 true JPH0115836B2 (es) | 1989-03-20 |
Family
ID=15514634
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP15125478A Granted JPS5576973A (en) | 1978-12-06 | 1978-12-06 | Alarm sound generator |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5576973A (es) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5793276A (en) * | 1980-12-02 | 1982-06-10 | Toshiba Corp | Electronic clock |
JPS60238854A (ja) * | 1984-05-11 | 1985-11-27 | Fuji Xerox Co Ltd | 電子複写機の警報ブザ−駆動回路 |
-
1978
- 1978-12-06 JP JP15125478A patent/JPS5576973A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5576973A (en) | 1980-06-10 |
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