Patent · US Expired

Photograph processing method and apparatus

US4888607A · kind A · utility

9Cited by
15References
13Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 15, 1988
Grant dateDec 19, 1989
Priority date
Expiry dateSep 15, 2008

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03D3/06
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A method and apparatus for developing photographic film and paper. A plurality of storage tanks flow by gravity into a common manifold. The manifold directs the fluid flow to a rotating drum assembly. After mixing, the fluid flows into a catch basin and, further, into one of a plurality of drain tanks. Electronic control circuitry is also disclosed.

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