Copying machine with selective illuminations
AssigneeMinolta Camera Kabushiki Kaisha
InventorMasazumi Ito
Life of this patent
Estimating the term…
Abstract
A copying machine having a first plurality of individual light emitting elements can be selectively illuminated depending on the copy size desired. Corresponding second array of light emitting elements can define an erasing apparatus positioned adjacent a photosensitvie member. An operator can designate the area to be copied. Control apparatus can control the individual light emitting elements based on the set predetermined copying conditions.
Claims20
A copying machine for copying an image of an original placed on a transparent platform by illuminating the original and projecting the image of the original on a photosensitive member using a slit system, said copying machine comprising;
- an original illuminating means having a plurality of light emitting elements lined up in a row and movable relative to the original;
- erasing means having a plurality of light emitting elements disposed corresponding to the respective light emitting elements of the the original illuminating means with a one to one relation and lined up in a row so as to be adjacent the photosensitive member;
- means for inputting a size of an area to be copied;
- means for detecting any fault in each of the light emitting elements of the original illuminating means;
- control means for controlling the turning on and off of the rspective light emitting elements of the original illuminating means and the erasing means based on the output of the inputting means and the fault detecting means, and
- means for displayinmg the fault of any light emitting element.
A copying machine for copying an image of an original placed on a transparent platform by illuminating the original and projecting the image of the original on a photosensitive member using a slit system, said copying machine comprising:
- an original illuminating means having a plurality of light emitting elements lined up in a row and movable relative to the original;
- erasing means having a plurality of light emitting elements disposed corresponding to the respective light emitting elements of the original illuminating means with a one to one relation and lined up in a row so as to be positioned operatively adjacent the photosensitive member;
- means for designating the area to be copied;
- and
- control means for controlling the turning on and off of the respective light emitting elements of the original illuminating means and the erasing means in accordance with the area to be copied so as to turn on both the necessary number of the light emitting elements of the original illuminating means corresponding to the area to be copied and the necessary number of the light emitting elements of the erasing means corresponding to an area of the photosensitive member that has been predetermined to provide the blank part of the area.
The copying machine according to claim 9, further comprising means for detecting the size of the copying paper and means for comparing the designated size and the detected sizes for transferring the data representing the smaller one to the control means and the second control means.
The copying machine acording to cliam 1, further comprising a second control means for controlling the relative movement of the original illuminating means and means for indicating a confirmation mode to confirm a copy available area, wherein when the confirmation mode is set by the indicating means, said control means causes the number of the light emitting elements to be turned on corresponding to the size of the designated area and said second control means effects the relative movement of the original illuminating means corresponding to the distance of the size of the area, thereby showing the available area for copying by the light passing through the original.
A copying machine for copying an image of an original placed on a transparent platform by illuminating the original and projecting the image of the original on a photosensitive member using a slit system, said copying machine comprising:
- an original illuminatig means having a plurality of light emitting elements lined up in a row and movable relative to the original;
- erasing means having a pluality of light emitting elements disposed corresponding to the respective light emitting elements of the original illuminating means with a one to one relation and lined up in a row so as to oppose the photosensitive member;
- means for designating the area to be copied;
- control means for controlling the respective light emitting elements of the original illuminating means and the erasing means in accordance with the area to be copied so as to turn on both the necessary number of the light emitting elements of the original illuminating means corresponding to the area to be copied and the necessary number of the light emitting elements of the erasing means corresponding to an area of the photosensitive member of the blank part of the area, and
- means for detecting a fault condition of the light emitting elements of the original illuminating means, wherein said control means can turn on th elight emitting element of the erasing means corresponding to the light emitting element of the original illuminating means in the fault condition.
A copying machine for copying an image of an original placed on a transparent platform by illuminating the original and projecting the image of the original on a photosensitive member using a slit system, said copying machine comprising:
- an original illuminating means having a plurality of light emitting elements lined up in a row and movable relative to the original;
- means for designating an area to be copied;
- means for setting a mode for confirming the copying area;
- first control means for controlling the turning on and off of the respective light emitting elements of the original illuminating means corresponding to the area designated by the designating means;
- second control means for controlling the relative movement of the original and the original illuminating means corresponding to the area designated by the designating means;
- and
- means, when the confirmation mode is set, for causing the first and second control means without copying to effect the relative movement of the original and the original illuminating means by a length corresponding to the designated area and the light emission of the requested number of the light emitting elements corresponding to the designated area.
A copying machine for copying an image of an original placed on a transparent platform by illuminating the original and projecting the image of the original on a photosensitive member using a slit system, said copying machine comprising:
- an original illuminating means having a plurality of light emitting elements lined up in a row and movable relative to the original;
- a plurality of light receiving elements provided corresponding to the respective light emitting elements of the original illuminating means with a one to one relation therebetween for receiving light reflected from a part of the original to be illuminated by the original illuminating means;
- means for designating the area to be copied;
- first control means for controlling the original illuminating means so as to turn on the necessary number of the light emitting elements corresponding to the area designated by the designating means and
- second control means for controlling the light amount of the respective light emitting elements that are turned on by the first control means in accordance with the light amount received by the respective light receiving elements corresponding to the turned on light emitting elements.
A copying machine for copying an image of an original placed on a transparent platform by illuminating the original and projecting the image of the original on a photosensitive member using a slit system, said copying machine comprising:
- an original illuminating means having a plurality of light emitting elements lined up in a row and movable relative to the original;
- erasing means having a plurality of light emitting elements corresponding of the respective light emitting elements of the original illuminating means with a one to one relationship and lined up in a row so as to oppose the photosensitive member;
- means for detecting any fault condition of the light emitting elements of the original illuminating means, and
- control means for controlling the turning on and of of the respective light emitting elements of the original illuminating means and the erasing means based on the predetermined copying conditions, wherein said control means can control the turning on of the light emitting element of the erasing means that corresponds to the light emitting elements of the original illuminating means that is in a fault condition.
A copying machine for copying an image of an original placed on a transparent platform by illuminating the original and projecting the image of the original on a photosensitive member using a slit system, said copying machine comprising:
- an original illuminating means having a plurality of light emitting elements positioned in an array and movable relative to the orginal;
- erasing means having a plurality of light emitting elements disposed in position corresponding to the respective light emitting elements of the original illuminating means with a corresponding relationship relative to the photosensitive member;
- means for inputting a size of an area to be copied;
- means for detecting the operativeness of each of the light emitting elements of the original illuminating means;
- means for determining an available copy size by the position of the light emitting elements that are inoperative and for displaying the available copy size;
- control means for controlling the turning on and off of the respective light emitting elements of the original illuminating means and the erasing means based on the output of the inputting means and the detecting means, and
- means for displaying the inoperativeness of any light emitting elements.
Dependencies are inferred from the claim text.