JPS5493353A - Correction circuit of time error of power supply leading in pulse count type timers - Google Patents
Correction circuit of time error of power supply leading in pulse count type timersInfo
- Publication number
- JPS5493353A JPS5493353A JP16017177A JP16017177A JPS5493353A JP S5493353 A JPS5493353 A JP S5493353A JP 16017177 A JP16017177 A JP 16017177A JP 16017177 A JP16017177 A JP 16017177A JP S5493353 A JPS5493353 A JP S5493353A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power supply
- circuit
- count
- stabilization
- 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
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03K—PULSE TECHNIQUE
- H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
- H03K17/28—Modifications for introducing a time delay before switching
Landscapes
- Measurement Of Predetermined Time Intervals (AREA)
- Electronic Switches (AREA)
Abstract
PURPOSE:To correct the time error due to the delay in the leading of power supply for the circuit at power supply application, by taking the frequency of reference time pulse inputted to the count circuit as n times the reference value before the voltage stabilization and taking it as the reference value after stabilization. CONSTITUTION:The constant voltage power supply 1 setting the voltage at steady state several times higher than the minimum operation voltage of the circuit, is provided, and the reset circuit 2 setting the count circuit 4 detecting the voltage set to lower value than the stable voltage and more than the minimum operating voltage of the circuit at the leading of the power supply voltage is provided. Further, when the voltage is more than the minimum operation voltage, the count citcuit 4 starts operation and the frequency of the reference time pulse inputted to the count circuit 4 is made n times the reference value inputted to the count circuit 4 before voltage stabilization, with the output of the power supply stabilization detection circuit 5 detecting the power supply reaching the stable voltage, and it takes the frequency as the reference value after stabilization. Thus, the frequency between the start of count to the power supply stabilization is made higher, and the time up to the count start is corrected, allowing to reduce the time error due to the delay in the leading.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16017177A JPS5493353A (en) | 1977-12-30 | 1977-12-30 | Correction circuit of time error of power supply leading in pulse count type timers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16017177A JPS5493353A (en) | 1977-12-30 | 1977-12-30 | Correction circuit of time error of power supply leading in pulse count type timers |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5493353A true JPS5493353A (en) | 1979-07-24 |
JPS5741855B2 JPS5741855B2 (en) | 1982-09-06 |
Family
ID=15709377
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16017177A Granted JPS5493353A (en) | 1977-12-30 | 1977-12-30 | Correction circuit of time error of power supply leading in pulse count type timers |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5493353A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6048844A (en) * | 1983-08-26 | 1985-03-16 | Fuji Xerox Co Ltd | Sheet feeder |
JPS6075347U (en) * | 1983-10-27 | 1985-05-27 | カシオ計算機株式会社 | Paper feeding device |
JPS6075348U (en) * | 1983-10-27 | 1985-05-27 | カシオ計算機株式会社 | Paper feeding device |
-
1977
- 1977-12-30 JP JP16017177A patent/JPS5493353A/en active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS5741855B2 (en) | 1982-09-06 |
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