JPS6117896U - Speed switching device for exhaust fan of electrophotographic copying machine - Google Patents
Speed switching device for exhaust fan of electrophotographic copying machineInfo
- Publication number
- JPS6117896U JPS6117896U JP1984102485U JP10248584U JPS6117896U JP S6117896 U JPS6117896 U JP S6117896U JP 1984102485 U JP1984102485 U JP 1984102485U JP 10248584 U JP10248584 U JP 10248584U JP S6117896 U JPS6117896 U JP S6117896U
- Authority
- JP
- Japan
- Prior art keywords
- copying machine
- electrophotographic copying
- switching device
- exhaust fan
- speed switching
- 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
- Control Of Electric Motors In General (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は電子写真複写機の概略構造を示す断面立面図、
第２図は本考案の一実施例のブロック回路図、第３図は
パルス波形図である。
・ １・・・・・・直流電源、２・・・・・・排気用フ
ァンモータ、５・・・・・・電圧切換装置。Figure 1 is a cross-sectional elevation view showing the schematic structure of an electrophotographic copying machine;
FIG. 2 is a block circuit diagram of an embodiment of the present invention, and FIG. 3 is a pulse waveform diagram.・ 1...DC power supply, 2...Exhaust fan motor, 5...Voltage switching device.
Claims (1)
機の稼動時には直流電源電圧を、また待機時には前記電
源電圧を一定周期のパルスと同期して断続させた電圧を
加える電圧切換装置を設けた電子写真複写機の排気用フ
ァンの速度切換装置。An electronic device equipped with a voltage switching device that applies a DC power supply voltage to an exhaust fan motor in an electrophotographic copying machine when the electrophotographic copying machine is in operation, and applies a voltage that intermittents the power supply voltage in synchronization with pulses at a constant cycle when the electrophotographic copying machine is on standby. A speed switching device for the exhaust fan of a photocopying machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984102485U JPS6117896U (en) | 1984-07-09 | 1984-07-09 | Speed switching device for exhaust fan of electrophotographic copying machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984102485U JPS6117896U (en) | 1984-07-09 | 1984-07-09 | Speed switching device for exhaust fan of electrophotographic copying machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6117896U true JPS6117896U (en) | 1986-02-01 |
Family
ID=30661885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984102485U Pending JPS6117896U (en) | 1984-07-09 | 1984-07-09 | Speed switching device for exhaust fan of electrophotographic copying machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6117896U (en) |
-
1984
- 1984-07-09 JP JP1984102485U patent/JPS6117896U/en active Pending
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