| 摘要 |
1323581 Electro-photographic copiers CANON K K 14 July 1970 [14 July 1969] 34141/70 Headings G2A and G2H In an electro-photographic copier for copying originals of various sizes, magnification is varied by moving an objective obliquely to its axis between positions 3, 3' and by moving a mirror between positions 2, 2', an original 1' being positioned in each case with an edge against a corner stop 20. As shown in Fig. 5, six push buttons are provided for controlling lens 3 and mirror 2 according to the size of the original used and the size of copy desired e.g. button 21 is for producing an A4 sized copy of an A3 sized original. Each button has cross-hatching to indicate which edge of the original should abut stop 20 for correct positioning. |
