Method and system for controlling the illumination of a vehicula

Details Method and system for controlling the illumination of a vehicula Method and system for controlling the illumination of a vehicula

1995-08-07

1997-02-25

Hofsass, Jeffrey

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

340438, 340459, 340471, 340906, 340641, 340931, B60Q 1100

Patent

active

056063083

ABSTRACT:
A method and system for controlling the illumination of a vehicular lamp and for monitoring the state of a switch electrically connected thereto. A feedback signal corresponding to a state of the switch is generated by a feedback circuit. A control signal is generated by a controller based on the feedback signal. A lamp drive signal is generated by a lamp driver based on the control signal for illuminating the lamp. A single multiplexed connector provides the lamp drive signal to the lamp during a drive operating mode and the feedback signal from the switch to the controller during a feedback operating mode.

REFERENCES:
patent: 3818429 (1974-06-01), Meyer et al.
patent: 4037195 (1977-07-01), Wojslawowicz
patent: 4228419 (1980-10-01), Anderson
patent: 4277772 (1981-07-01), Kastura et al.
patent: 5231373 (1993-07-01), Freeman et al.
patent: 5453939 (1995-09-01), Hoffman et al.

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