JPS5560966A - Ac high voltage power source for copying machine - Google Patents
Ac high voltage power source for copying machineInfo
- Publication number
- JPS5560966A JPS5560966A JP13478878A JP13478878A JPS5560966A JP S5560966 A JPS5560966 A JP S5560966A JP 13478878 A JP13478878 A JP 13478878A JP 13478878 A JP13478878 A JP 13478878A JP S5560966 A JPS5560966 A JP S5560966A
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- power source
- control circuit
- voltage power
- way
- 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
Abstract
PURPOSE: To stabilize high voltage power source and reduce the fluctuations of copying performance by grounding the other end of a high-voltage coil connected to the discharger of the copying machine by way of a current detecting resistor and feeding only the half wave of alternating currents back to a control circuit.
CONSTITUTION: One end of the high-voltage coil 8 of an AC high-voltage transformer is connected to a discharger 9 and the other end of the high-voltage coil is grounding by way of a current detecting resistance 11 and is held connected to a control circuit 15 by way of a diode 12, capacitor 13, voltage dividing variable resistance 14. High-voltage current i0 is half-wave rectified by the diode 12 and capacitor 13 and become the signal es which is then applied to the control circuit 15, whereby constant current controlling is accomplished. Since this is half-wave rectifying, there is no more effect by the asymmetry of positive and negative waves and the high-voltage power source is stably controlled. Hence, the need for any surplus circuit for the purpose of stabilization is eliminated and the fluctuations on copying performance may be suppressed.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13478878A JPS5560966A (en) | 1978-10-31 | 1978-10-31 | Ac high voltage power source for copying machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13478878A JPS5560966A (en) | 1978-10-31 | 1978-10-31 | Ac high voltage power source for copying machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5560966A true JPS5560966A (en) | 1980-05-08 |
JPS6124690B2 JPS6124690B2 (en) | 1986-06-12 |
Family
ID=15136555
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13478878A Granted JPS5560966A (en) | 1978-10-31 | 1978-10-31 | Ac high voltage power source for copying machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5560966A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5958461U (en) * | 1982-10-13 | 1984-04-16 | 長野愛知電機株式会社 | AC high voltage power supply for copying machines |
-
1978
- 1978-10-31 JP JP13478878A patent/JPS5560966A/en active Granted
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5958461U (en) * | 1982-10-13 | 1984-04-16 | 長野愛知電機株式会社 | AC high voltage power supply for copying machines |
JPH0540716Y2 (en) * | 1982-10-13 | 1993-10-15 |
Also Published As
Publication number | Publication date |
---|---|
JPS6124690B2 (en) | 1986-06-12 |
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