Dual mode copying machine
AssigneeXerox Corporation
InventorPaul F. Morgan
Life of this patent
Estimating the term…
Abstract
An apparatus in which a latent image of an original document is recorded on a photosensitive member. A light image of the original document is projected through a normally non-deformed transparent member onto the photosensitive member. An operator actuatable control deforms the transparent member producing a plurality of spaced grooves therein. The light image transmitted through the grooved portion of the transparent member is phase shifted with respect to the light image transmitted through the non-grooved portion thereof. In this way, the operator may deform the transparent member producing a modulated light image, or permit the transparent member to remain in the non-deformed condition so as not to modulate the light image.
Claims23
An apparatus for recording a latent image of an original document on a photosensitive member, including:
- a deformable transparent member;
- means for projecting a light image of the original document through said transparent member onto the photosensitive member to record the latent image thereon;
- means for deforming restorably said transparent member to form a pattern of spaced deformations therein which phase shifts the light image passing therethrough with respect to the light image passing through the non-deformed portions thereof so as to modulate the light image transmitted to the photosensitive member;
- and
- means for actuating selectably said deforming means.
An electrophotographic printing machine, including:
- a photoconductive member;
- means for charging at least a portion of said photoconductive member to a substantially uniform potential;
- a deformable transparent member;
- means for projecting a light image of an original document through said transparent member onto the charged portion of said photoconductive member for recording a latent image thereon;
- means for deforming restorably said transparent member to form a pattern of spaced deformations therein which phase shifts the light image passing therethrough with respect to the light image passing through the non-deformed portion thereof so as to modulate the light image transmitted to said photoconductive member;
- and
- means for actuating selectably said deforming means.
Dependencies are inferred from the claim text.