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Method and apparatus for regulating current for programmable logic controllers |
Donald A. Gates, Edwin Thurnau |
2005-12-20 |
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Method and system for configuring input/output points |
Edwin Thurnau, Derald Herinckx |
2004-11-09 |
| 6529032 |
Methods and apparatus for full I/O functionality and blocking of backdrive current |
Ancil B. Cruickshank, A. Alan Tuten, Michael G. Smith, Joseph J. Cieri |
2003-03-04 |
| 5093804 |
Programmable controller input/output communications system |
Joseph J. Cieri, Mark Kocher, Kenneth M. Holet, Michael J. Tuso |
1992-03-03 |
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Combined input/output circuit for a programmable controller |
Ancil B. Cruickshank, Mark Kocher, Michael J. Tuso |
1990-08-21 |
| 4933869 |
Programmable threshold data detection system |
Mark Kocher |
1990-06-12 |
| 4872136 |
Programmable controller input/output communications system |
Joseph J. Cieri, Mark Kocher, Kenneth M. Holet, Michael J. Tuso |
1989-10-03 |
| 4752886 |
Method for on-line testing of load control circuitry and the associated load |
— |
1988-06-21 |
| 4628397 |
Protected input/output circuitry for a programmable controller |
Mark Kocher |
1986-12-09 |
| 4593380 |
Dual function input/output for a programmable controller |
Mark Kocher, William J. Ketelhut, Charles E. Konrad |
1986-06-03 |
| 4500818 |
Dual motor proportioning control |
Charles E. Konrad, Amratlal C. Lodhia |
1985-02-19 |
| 4450427 |
Contactor with flux sensor |
— |
1984-05-22 |
| 4434450 |
Controlled flux contactor |
— |
1984-02-28 |
