Single wire dual speed signal system
AssigneeGeneral Motors Corporation
InventorJack P. Koski
Life of this patent
Estimating the term…
Abstract
A control system and method for communicating with a transmission includes a transmission input speed sensor that generates an input speed signal. A transmission output speed sensor generates an output speed signal. A power supply supplies a total current to the transmission input and output speed sensors via a first conductor. A sensor senses the total current supplied to the transmission input and output speed sensors on the first conductor. A calculating module calculates a transmission input speed and a transmission output speed based on the total current.
Claims16
A control system for communicating with a transmission comprising:
- a transmission input speed sensor that generates an input speed signal;
- a transmission output speed sensor that generates an output speed signal;
- a power supply that supplies a total current to said transmission input and output speed sensors via a first conductor;
- a sensor that senses said total current supplied to said transmission input and output speed sensors on said first conductor;
- and
- a calculating module that calculates a transmission input speed and a transmission output speed based on said total current.
A method of determining a transmission input speed and a transmission output speed comprising:
- providing a total current to a transmission input speed sensor and a transmission output speed sensor through a first conductor;
- sensing said total current supplied to said transmission input speed sensor and said transmission output speed sensor on said first conductor;
- and
- calculating a transmission input speed and a transmission output speed based on said total current.
A method of determining a transmission input speed and a transmission output speed comprising:
- providing a total current to a transmission input speed sensor and a transmission output speed sensor through a first conductor;
- generating a transmission input speed signal from said transmission input speed sensor;
- generating a transmission output speed signal from said transmission output speed sensor;
- sensing said transmission input and output speed signal on said first conductor;
- and
- calculating a transmission input speed and a transmission output speed based on said transmission input and output speed signal.
Dependencies are inferred from the claim text.