Electricity: electrical systems and devices – Control circuits for electromagnetic devices – For relays or solenoids
Patent
1995-01-05
1996-03-19
Pellinen, A. D.
Electricity: electrical systems and devices
Control circuits for electromagnetic devices
For relays or solenoids
227 7, H01H 4702, B27F 702
Patent
active
055007830
ABSTRACT:
A circuit and method for controlling the application of a fastener to a surface and a support, for use with a support sensor and an automatic fastener applying device. In the circuit, a comparator receives a primary signal from the sensor and generates an intermediate signal when a preselected condition is satisfied between the primary signal and the predetermined value. A controller generates a control signal in response to receipt of a secondary signal from the sensor and the intermediate signal. An actuator operates the automatic fastener applying device to apply the fastener to the surface and support in response to the control signal. The method includes comparing the primary signal from the sensor to the predetermined value, generating the intermediate signal when a preselected condition is satisfied, generating the control signal in response to the secondary signal from the sensor and the intermediate signal, and actuating the automatic fastener applying device in response to the control signal to apply the fastener to the surface and support.
REFERENCES:
patent: 3628714 (1971-12-01), Offenwanger
patent: 4099118 (1978-07-01), Franklin et al.
patent: 4478361 (1984-10-01), McElhannon
patent: 4483474 (1984-11-01), Nikolich
patent: 5012967 (1991-05-01), Johansson
patent: 5222645 (1993-06-01), Sueda
Cook Kenneth J.
Warda Gary G.
Fleming Fritz M.
Pellinen A. D.
Warda Gary G.
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