JPH01296233A - Reduction and enlargement ratio specifying device - Google Patents

Abstract

PURPOSE:To readily set desirable reduction and enlargement ratio in a short time by providing with keys for increasing/decreasing reduction and enlargement ratio which specify the increasing/decreasing of reduction and enlargement ratio and the variable keys of unit which vary a unit. CONSTITUTION:E.g., when a vertical up button 2 is pushed, vertical reduction and enlargement ratio increases by DELTAMAG. While, when a vertical down button 3 is pushed, vertical reduction and enlargement ratio MAGY reduces by DELTAMAG. By pushing a 50% increasing button 8, when current condition is not set to 50% increasing mode, it is set to 50% increasing mode and once it goes to a reduction and enlargement ratio of 100%. When the button is pushed again and again, reduction and enlargement ratio increases by 50% such as 50%, 100%, 150%, 200%, 250%, 300%, 350%, and 400%, and when it is pushed once again, ratio returns to 50%.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a reduction ratio designation device used in copying machines and the like.

[Conventional technology]

For example, in a copying machine that has an enlargement/reduction function,
When making an enlarged or reduced copy during copying, it is necessary to specify the reduction ratio.

Conventionally, the method for specifying the reduction ratio is to use a predetermined fixed ratio, for example, 70% or 81%.

A fixed magnification key is provided to sequentially switch between 86%, 100%, 115%, 122%, and 141%. This fixed magnification is the size ratio between standard size originals and paper; for example, when copying an 85th edition manuscript onto A4 size paper, it is 115%, and when copying onto 84th edition paper, it is 141%. %. Then, the reduction ratio is selected depending on the relationship between the document and the paper.

In addition, there are devices that provide an arbitrary magnification key in addition to the fixed magnification key, and can set an arbitrary magnification by increasing or decreasing the currently displayed magnification in 1% increments.

[Problem to be solved by the invention]

When a fixed magnification key is used, the desired magnification can be easily set, but it is not possible to set an arbitrary magnification. Further, when an arbitrary magnification key is provided, it is possible to set an arbitrary magnification ratio, but there is a problem in that it takes time to set the magnification ratio because it can only be increased or decreased by 1%. In particular, when the reduction ratio is very large, for example, about 400%, it takes a very long time to set it.

The present invention was devised to solve such conventional problems, and an object of the present invention is to provide an apparatus that can easily set an arbitrary reduction ratio by rbt in a short time.

[Failure to solve the problem]

In order to achieve the above object, the reduction ratio designation device of the present invention has the following features:
A magnification rate increase/decrease operation key connected to the magnification rate control means and used to designate an increase or decrease in the magnification rate in predetermined increments, and a unit variable key connected to the magnification rate control means and used to change the size of the unit. It is characterized by

This reduction ratio designation device further includes a reduction ratio change key that is connected to the reduction ratio control means and changes the reduction ratio in increments larger than the unit increments, giving priority to the reduction ratio specified by the reduction ratio increase/decrease operation key. It is also possible to have

[Effect]

In the present invention, when specifying an arbitrary reduction ratio, there are operation keys that increase or decrease the reduction ratio in predetermined units, for example, 1% increments, and units that can change the unit to, for example, 10% or 50%. It has variable keys.

For example, if you want to set the desired reduction ratio, operate the unit variable key to change the unit of increase/decrease from 1% to 10%, and then operate the reduction ratio increase/decrease operation key.
Change the magnification in large increments up to the closest magnification to the desired magnification, and fine-tune in 1% increments by operating the unit variable key to return to the original unit. With this, it is possible to set an arbitrary reduction ratio in a short time and with a small number of key operations.

〔Example〕

DETAILED DESCRIPTION OF THE INVENTION Hereinafter, features of the present invention will be specifically described based on examples with reference to the drawings.

FIG. 1 is a front view of the operation panel of the reduction ratio designation device of the present invention. Note that when using a fixed reduction ratio from a standard size original to a standard size paper, the optimum reduction ratio is automatically set by selecting the original size and tray size.

In Fig. 1, the operation panel includes up/down up buttons 2 that increase the magnification in the vertical direction when copying, up/down down buttons 3 that decrease the magnification in the up/down direction, and left/right up buttons 4 that increase the magnification in the left/right direction. , left and right down buttons 5 for decreasing the magnification in the left and right directions are arranged on the top, bottom, left and right. Furthermore, up/down/left/right up buttons 6 for simultaneously increasing the up/down/left/right magnification are arranged at the upper right, and up/down/left/right down buttons 7 for simultaneously decreasing the up/down/left/right magnification at the lower left.

Furthermore, 50% increase buttons 8 and 1 are provided on the operation panel.
A 0% increment button 9 is attached. When this 10% increments button 9 is pressed, the 10% increments display lamp 10 lights up. 12 is a vertical magnification display device, and 13 is a left and right magnification display device.

The procedure for specifying the reduction ratio using the operation panel shown in FIG. 1 will be explained.

In the normal state, each time the up/down button 2 is pressed, the vertical magnification increases by 1%, and each time the up/down down button 3 is pressed, the vertical magnification decreases by 1%. Similarly, each time the left/right up button 4 is pressed, the horizontal magnification increases by 1%, and each time the left/right down button 5 is pressed, the horizontal magnification decreases by 1%. If you want to increase/decrease the magnification of the up/down/left/right directions by 1% at the same time, press the up/down/left/right up buttons 6 or the up/down/left/right down buttons 7.

If you want to change the reduction ratio in 10% increments, you can press the 10% increment button 9 once, and then perform the above-mentioned operation. If you want to return the reduction ratio to 1% increments, press the 10% increments button 9 again to turn off the 10% increments display lamp 10, and the changes caused by the operations of the buttons 2 to 7 will be in 1% increments.

When the 50% increase button 8 is pressed, the reduction ratio is set to 100% regardless of the current reduction ratio. After this, each time the 50% increase button 8 is pressed, the amount increases by 50% up to 400%, and then returns to 50%. Below, 50% increase button 8
Repeat this each time you press .

FIG. 2 is a block diagram of a processing circuit for processing the above operations, and FIG. 3 is a flowchart thereof. In FIG. 2, reference numeral 1 denotes a CPU (central processing unit), and the magnification ratio processed and set here is output to a magnification control device 11, which controls the mechanism of the magnification changer groove of the copying machine. do.

In FIG. 3, when the copying machine is powered on, the horizontal magnification MAGX and the vertical magnification! JAGY is set to 100%, that is, the same magnification, and the magnification change step 16M80 is also set to 1% (step 101).

Nao, Cholera (D Cheetah MAGX, MAGY,
ΔMAG is stored in a register or memory within the CPU, for example.

Any button 2 to 9 on the operation panel shown in Figure 1
When is pressed (step 102), unique processing is performed depending on which button the button is pressed (steps 103 to 130).

For example, if the up/down button 2 is pressed (step 1
03), the process of step 104 is performed. In other words, the vertical magnification! JAGY is increased by the reduction ratio step ΔMAG. When the up/down down button 3 is pressed, the up/down magnification MAGY is decreased by Δ! JAG is decreased (steps 105 and 106). The same goes for the left and right up buttons 4 and the left and right down buttons 5 (steps 107-
110). When the up/down/left/right up buttons 6 are pressed, the up/down magnification! JAGY and horizontal magnification MAGX
is simultaneously increased by the same scaling factor step ΔMAG (steps 111 and 112). In the case of the up, down, left, right, down button 7, it is decreased (steps 113 and 114).

Also, when the 10% increment button 9 is pressed, the reduction rate increments Δ
! The JAG unit setting is switched from 1% to 10% or vice versa, and the display lamp is turned on and off in 10% increments (steps 115 to 120).

Also, if you press the 50% increase button 8, the current state will be 50%.
If it is not set to % increase mode, it will be set to 50% increase mode, -100% magnification, and pressing again will increase the magnification to 50%, 100%, 150%, 200%, 250.
%, 300%, 350%, 400%, the reduction ratio increases in 50% increments, and pressing it again returns it to 50%. This is repeated (steps 121-129).

When the other buttons 2 to 7 or 9 are pressed in the 50% increase mode, the increase mode by the 50% increase button 8 is canceled (step 130).

The data of the reduction ratio set in this way is stored in a register or memory in the CPU.

Then, the reduction ratio control device 11 is controlled based on this reduction ratio, and the reduction ratio at this time is displayed by the upper and lower and left and right reduction ratio display devices 12.13.

According to this embodiment, for example, the reduction ratio is set to 3 on both the top, bottom, left and right.
If you want to set it to 68%, press the 50% increase button 8 to 8.
Press twice to set the magnification to 350%. Next, press the 10% increments button 9 to change the reduction ratio from 1% to 10%, then press the up/down/left/right up buttons 6 twice to set the reduction ratio to 370%, and then press the 10% increments button 9 to change the reduction ratio. After returning the increments to 1%, press the up/down/left/right down buttons 7 twice to achieve the desired reduction ratio of 368%.

In this way, since the reduction ratio is set while changing the step of the reduction ratio, an arbitrary reduction ratio can be set in a short time and with a small number of key operations.

〔Effect of the invention〕

As explained above, the present invention is provided with a magnification increase/decrease operation key for specifying an increase/decrease in the magnification in predetermined unit increments, and a unit variable key for changing the size of the unit. A magnification change key is provided so that the magnification can be changed in steps. As a result, even when the value of the reduction ratio is large, the reduction ratio can be increased or decreased in units larger than the minimum unit. Therefore, a desired reduction ratio can be set easily in a short time.

[Brief explanation of the drawing]

FIG. 1 is a plan view of the operation panel of a reduction ratio designation device according to an embodiment of the present invention, FIG. 2 is a block diagram showing a processing circuit of the reduction ratio designation device, and FIG. 3 is a flow diagram of the processing for designation of a reduction ratio. FIG. 1: CPU 2: Up/down up button 3: Up/down down button 4: Left/right up button 5: Left/right down button 6: Up/down/left/right up button 7: Up/down/left/right down button 8: 50% increase button 9: 10% increment button 10
: Display lamp in 10% increments 11: Magnification side f+tll device 12: Vertical magnification display device 13; Left and right magnification display device Patent applicant: Agent of Fuji Xerox Co., Ltd.
Masu Kobori (and 2 others) Figure 1 Figure 2

Claims (1)

[Claims] 1. A scaling factor increase/decrease operation key connected to the scaling factor control means and used to specify an increase or decrease in the scaling factor in predetermined increments; A reduction ratio designation device characterized by comprising a unit variable key for changing the unit. 2. The apparatus further includes a reduction ratio change key connected to the reduction ratio control means for changing the reduction ratio in increments larger than the unit increments, giving priority to the reduction ratio specified by the reduction ratio increase/decrease operation key. The reduction ratio designation device according to claim 1.