Lighting control apparatus of a control panel in an automobile

Details Lighting control apparatus of a control panel in an automobile Lighting control apparatus of a control panel in an automobile

1995-05-15

1996-12-10

Hofsass, Jeffery

Communications: electrical

Land vehicle alarms or indicators

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

340462, 362 23, 315 77, B60Q 100

Patent

active

055834841

ABSTRACT:
In a lighting control apparatus of a control panel in an automobile, a brightness reduction characteristic of a control panel lighting unit relative to a brightness signal of a brightness control unit is previously set according to external operation. The brightness control unit gives a brightness signal for controlling a luminosity of an instrument panel and a luminosity of a control panel which is provided near the instrument panel to a luminosity corresponding to an operation of a dimmer knob. When the brightness signal is given from the brightness control unit, the brightness of the control panel lighting unit is controlled according to a set brightness reduction characteristic relative to the brightness signal of the brightness control unit. Thereby, it is possible to make the luminosity of the control panel relative to the instrument panel a desired brightness characteristic.

REFERENCES:
patent: 4786843 (1988-11-01), Yamamoto et al.

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