Patent · US Expired

Processing apparatus for light-sensitive material

US5640642A · kind A · utility

1Cited by
18References
23Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 22, 1994
Grant dateJun 17, 1997
Priority date
Expiry dateAug 22, 2014

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03D3/065
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

A processing apparatus for a light-sensitive material includes a plurality of processing tanks for processing light-sensitive material; a kit including a container for accommodating a number of solid processing agents used for each processing tank; and solid processing agent replenishing device for replenishing the solid processing agents accommodated in the container into each processing tank. The apparatus further includes a memory for storing an amount of each solid processing agent used for processing a predetermined amount of light-sensitive material; a residual amount detector for detecting a residual amount of each solid processing agent and outputting a used up solid-processing-agent signal when the residual amount of each solid processing agent becomes zero; and a replacement requesting device for requesting the replacement of all solid processing agents in accordance with the used up solid-processing-agent signal of the solid processing agent.

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