System for prevention of contact between analyzing head and tran

Details System for prevention of contact between analyzing head and tran System for prevention of contact between analyzing head and tran

1985-03-13

1987-03-31

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

250561, 358285, 358289, H01J 314, H04N 104

Patent

active

046545263

ABSTRACT:
A system for preventing contact between an analyzing head and a transparent drum in a color scanner includes a drum reader for identifying which one of several transparent drums is installed on the scanner, and a head position reader for identifying the selected position of the analyzing head in a direction at right angles to a subscanning direction. The system further includes decision means for deciding whether the position of the analyzing head is suitable for the installed drum, and means for inhibiting movement of the analyzing head in the subscanning direction if the decision means determines that the position of the analyzing head is incompatible with the installed drum.

REFERENCES:
patent: 3764741 (1973-10-01), Long
patent: 4580172 (1986-04-01), Rajasopal

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