Document recording machines
US4110037A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Dec 16, 1976 |
| Grant date | Aug 29, 1978 |
| Priority date | — |
| Expiry date | Dec 16, 1996 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03B27/46
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A document recording machine of the flow camera type wherein the rotatable document carrying drum is co-axial with the film carrying capstan and having the same angular velocity, an optical reduction system having the same relative reduction as the reduction of peripheral movement of the drum and capstan and a further optical system for recording a serial number from a film carrying magazine to the film and a pivotable mirror in the further optical system is operable to alternately break the two optical paths.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.