Method and apparatus for applying a programmable pattern to a su

Details Method and apparatus for applying a programmable pattern to a su Method and apparatus for applying a programmable pattern to a su

1991-04-19

1993-06-08

Lawrence, Evan

Coating processes

Measuring, testing, or indicating

118669, 118682, 118697, 118703, 118713, 4272071, 427286, B05D 510, B05D 102, B05C 1110

Patent

active

052177459

ABSTRACT:
Method and apparatus for applying a programmable pattern to a succession of moving objects, comprising a microprocessor for storing a user defined value representing the length of the pattern, a clock for generating a series of pulses and a photo-eye for detecting the presence of the succession of moving objects. Upon detecting the presence of a first one of the moving objects, a set-up mode gate is enabled for transmitting the clock pulses to a first divider circuit. The first divider circuit divides the number of transmitted clock pulses by the user defined value and in response generates and stores a first count value. Upon detecting the presence of subsequent moving objects, a run mode gate transmits successive predetermined numbers of clock pulses to a second divider circuit. The second divider circuit divides the successive predetermined numbers of clock pulses by a first count value and in response generates successive further count values. A microprocessor compares the successive further count values with the user defined value and in the event the values are equal initiates application of the programmable pattern to the succession of objects, and in the event more than a predetermined number of the successive further count values are not equal to the user defined value the microprocessor re-initiates the setup mode procedure.

REFERENCES:
patent: 4357900 (1982-11-01), Buschor
patent: 4389971 (1983-06-01), Schmidt

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