Communications – electrical: acoustic wave systems and devices – Echo systems – Returned signal used for control
Patent
1995-07-31
1997-09-09
Hofsass, Jeffery
Communications, electrical: acoustic wave systems and devices
Echo systems
Returned signal used for control
367 96, 367 99, 340686, 340612, 36447901, 141 1, 427 8, 427 9, 73597, 73598, G01S 1500
Patent
active
056663250
ABSTRACT:
A dispensing system includes a robot that controls the positional location of a dispenser that dispenses a bead of material, such an adhesive, onto a substrate and wherein a sensor monitors the geometric configuration of the material dispensed. The dispensing system also includes a control circuit which receives information from the sensor so as to monitor geometric characteristics such as height, width and cross sectional area in such a manner that statistical process data can be gathered and also to provide alarm indications whenever the height or width of the bead do not comply with predetermined characteristics. The control circuit also provides a closed loop feedback system so that the supply of material and the nozzle can be controlled in such a manner to modify the flow of bead material whenever a discrepancy or error is detected by the control circuit.
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Cleveland Machine Controls, Inc. specification re PULSONIC "Sonic Laser", Noncontact Measurement System.
Belser Robert S.
Kumar Kamal
Hofsass Jeffery
Lee Benjamin C.
Nordson Corporation
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