Continuous microfilm camera
US4118121A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1977 |
| Grant date | Oct 3, 1978 |
| Priority date | — |
| Expiry date | Jul 21, 1997 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B27/6257
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A continuous microfilm camera transporting original sheets to a picture-taking area. Two parallel opposite guide plates within the picture-taking area from a transit slit of variable width for the original sheets. At least one of the plates is movable relative to the other plate and at least one of the plates is transparent. A magnetic attracting strip is attached to at least one of the plates and provides an attractive force bringing the plates together for straightening the original sheet.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.