Electricity: electrical systems and devices – Safety and protection of systems and devices – With specific circuit breaker or control structure
Reexamination Certificate
2007-10-02
2007-10-02
Sherry, Michael (Department: 2836)
Electricity: electrical systems and devices
Safety and protection of systems and devices
With specific circuit breaker or control structure
Reexamination Certificate
active
10873933
ABSTRACT:
Apparatus are provided for robust power take off (PTO) and/or cruise enable. The apparatus includes a control module for PTO enable having a first input connected to one of a first reference voltage and a second reference voltage, and a second input connected to one of the first reference voltage and the second reference voltage. An inverse reference voltage operator is connected to both of the inputs and configured such that the second input is connected to the second reference voltage when the first input is connected to the first reference voltage and the second input is connected to the first reference voltage when the first input is connected to the second reference voltage. Based on the received voltage at the first and second inputs, the control module enables/disables PTO and/or cruise.
REFERENCES:
patent: 3353634 (1967-11-01), Farrar
patent: 3477536 (1969-11-01), Carini
patent: 4451775 (1984-05-01), Phillips et al.
patent: 5994853 (1999-11-01), Ribbe
patent: 6191547 (2001-02-01), Fricke et al.
patent: 6522034 (2003-02-01), Nakayama
patent: 6724164 (2004-04-01), Shimizu et al.
Bauer Hugh S.
Bauerle Paul A.
Eveleth Donald A.
Katrak Kerfegar K.
Shuler Barbara A.
General Motors Corporation
Hoang Ann T.
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