Photographic processor and method for replenishing
US5616452A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Mar 30, 1995 |
| Grant date | Apr 1, 1997 |
| Priority date | — |
| Expiry date | Mar 30, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03D3/065
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A method and apparatus for processing a photosensitive material. The apparatus having at least one processing tank containing a processing solution for processing the photosensitive material, a replenishment system for replenishing the processing solution comprising a first part and a second part, the first and second parts each having independent usage rates, means for measuring the distribution of transmittance of the photosensitive material being processed by the at least one processing tank, and means for independently supplying the first and second parts to the at least one processing tank in accordance with the distribution of the transmittance of the photosensitive material being processed, the ratio of the volume of the first part to the volume of the second part to be delivered to the tank being at least 10 to 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.