JPS5767947A - Regist controller - Google Patents
Regist controllerInfo
- Publication number
- JPS5767947A JPS5767947A JP55144144A JP14414480A JPS5767947A JP S5767947 A JPS5767947 A JP S5767947A JP 55144144 A JP55144144 A JP 55144144A JP 14414480 A JP14414480 A JP 14414480A JP S5767947 A JPS5767947 A JP S5767947A
- Authority
- JP
- Japan
- Prior art keywords
- turned
- constant circuit
- timing
- time constant
- time
- 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
Classifications
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
- G03G21/00—Arrangements not provided for by groups G03G13/00 - G03G19/00, e.g. cleaning, elimination of residual charge
- G03G21/14—Electronic sequencing control
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Paper Feeding For Electrophotography (AREA)
- Control Or Security For Electrophotography (AREA)
Abstract
PURPOSE:To facilitate the easy control of regist and at the same time to simplify a structure, by using one timing generating means and carrying out the control of regist with plural copying magnification ratios while the timing generating means is kept fixed. CONSTITUTION:During the real size copying, a transistor (TR) 1 is turned on by the real size signal. And a TR4 is also turned on via a resistance R1. Thus a time constant circuit is formed with a variable resistance VR1 and a capacitor C1. A time constant circuit is formed in the same way also when the copying magnification ratio is selected at a variable magnification rate of 1 or alpha. In other words, the time constant circuit is switched according to the copying magnification. A timer IC-IC1 is triggered by a timing switch SW while an optical system is scanned to start counting and to deliver an output of high potential for time T which is decided by the time constant circuit. A DEF-IC2 is set at the trailing edge of the output of the IC1 and accordingly delivers the high potential in the lapse of time T after the SW is turned on. Then a TR7 is led out, and a timing driving clutch CL is turned on to start the revolution of a timing roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55144144A JPS5767947A (en) | 1980-10-14 | 1980-10-14 | Regist controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP55144144A JPS5767947A (en) | 1980-10-14 | 1980-10-14 | Regist controller |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5767947A true JPS5767947A (en) | 1982-04-24 |
Family
ID=15355239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55144144A Pending JPS5767947A (en) | 1980-10-14 | 1980-10-14 | Regist controller |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5767947A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5943959U (en) * | 1982-09-14 | 1984-03-23 | 松下電器産業株式会社 | Copy paper conveyance device |
| JPS61173261A (en) * | 1985-01-29 | 1986-08-04 | Fuji Xerox Co Ltd | Transfer position controlling device of copying paper |
| JPS61281253A (en) * | 1985-05-22 | 1986-12-11 | ゼロツクス コ−ポレ−シヨン | Control of sheet feeder |
-
1980
- 1980-10-14 JP JP55144144A patent/JPS5767947A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5943959U (en) * | 1982-09-14 | 1984-03-23 | 松下電器産業株式会社 | Copy paper conveyance device |
| JPS61173261A (en) * | 1985-01-29 | 1986-08-04 | Fuji Xerox Co Ltd | Transfer position controlling device of copying paper |
| JPS61281253A (en) * | 1985-05-22 | 1986-12-11 | ゼロツクス コ−ポレ−シヨン | Control of sheet feeder |
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