Image transmitter for copying apparatus of slit exposure scanning type
US4448499A · kind A · utility
13Cited by
9References
16Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | May 21, 1981 |
| Grant date | May 15, 1984 |
| Priority date | — |
| Expiry date | May 21, 2001 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03G15/041
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
The invention comprises an improvement to a compact copying apparatus of a slit exposure scanning type. A plurality of sheets of plastic lens elements provide an array of optical erecting lens systems that combine to provide overlapping images of an original on an image recording member. The optical system is designed to comply with predetermined parameters of distance between the original and the image recording planes, the magnification of the inverted real image, the maximum effective aperture of the lens system, and the distance between respective edges of maximum effective apertures of adjacent lens systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.