Patent · US Expired

Processing of photographic film

US5491530A · kind A · utility

2Cited by
23References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 23, 1994
Grant dateFeb 13, 1996
Priority date
Expiry dateApr 23, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03D17/00
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

Described herein is a portable film processing arrangement which is housed in a case-like receptacle comprising a base portion and a lid portion. Base portion 10 houses a plurality of processing units 30 which accommodate spiral holders onto which film to be processed can be wound automatically. Lid portion 14 houses a plurality of containers 18,19,20 which contain processing chemicals for processing the film. The chemicals are fed to the processing units 30 from the containers 18,19,20 as required by valves which are controlled by an on-board computer in a control section 45 located in the base portion 10 between the processing units 30.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.