PHOTOELECTRIC REGISTER CONTROL OF PRESSES FOR PRINTING,FOLDING OR CUTTING WEBS
United States Patent 3439176

Inventors:
Astley, Edward T.
King, Daniel L.
Gold, Daniel
Publication Date:
04/15/1969
View Patent Images:
Download PDF 3439176 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
CROSFIELD ELECTRONICS LTD
Primary Class:
250/548
Other Classes:
226/27, 250/559.360
International Classes:
B41F13/02; B65H23/04; G01N21/30




<- Previous Patent (MEASURING DEVICE FOR...)   |   Next Patent (RADIATION-SENSITIVE ...) ->