DOUBLE SIMULTANEOUS IMAGING WITH CATADIOPTRIC LENS
Original Publication Date: 1985-Oct-31
Included in the Prior Art Database: 2004-Apr-04
Xerox Disclosure Journal
Double simultaneous imaging in a xerographic copying machine is described in U.K. Patent Specification No. 1543406. In such a machine, two different parts of a cylindrical photoconductor drum are exposed simultaneously to respective identical light images derived from a single original. A beam splitter such as a half-silvered mirror is used to form the two images.