Graphic arts processor having switch selectable replenishment control information matrices
US4332456A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 14, 1980 |
| Grant date | Jun 1, 1982 |
| Priority date | — |
| Expiry date | Jul 14, 2000 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03D3/065
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
A graphic arts processor capable of processing photosensitive film and paper includes digital storage for storing a replenishment control matrix formed from a plurality of individual information matrices for different photosensitive materials. Each information matrix includes replenishment control information, an indication of whether the photosensitive material is film or paper, and transport speed control information. Selector switches select one of the individual information matrices for controlling operation of the processor. A transport speed control controls the transport speed of the processor as a function of the speed control information in the selected information matrix. The replenishment control provides replenishment of the processor fluid as a function of the replenishment control information and either film density signals from a density scanner or predetermined paper density signals. The replenishment control uses the paper density signal when the information matrix includes an indication that the photosensitive material is paper, and disables the density scanner of the processor from providing density signals. Temperature control information for both solution heate…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.