Lighting arrangement

Details Lighting arrangement Lighting arrangement

1982-02-25

1984-09-25

Walsh, Donald P.

Illumination

Light source and modifier

Condition responsive

362 74, 362295, 362802, 315 84, 315360, F21V 2300

Patent

active

044738714

ABSTRACT:
A lighting arrangement is proposed which serves, in particular, to illuminate the interior of a motor vehicle. A lighting arrangement which serves, in particular, to illuminate the interior of a motor vehicle. The arrangement comprises a device in the form of a dimmer which includes a power transistor for establishing the connection between the interior lighting connected to the positive pole of a battery and ground when the door light switch is open. A control transistor which is set via a resistor arrangement activates the power transistor. The control transistor is influenced by a charging electrolyte capacitor so that the power transistor becomes highly resistant. Charging of the electrolyte capacitor therefore causes the interior lighting to be slowly extinguished.

REFERENCES:
patent: 4385258 (1983-05-01), Voll
Bailey et al.; "Practical Wireless"; Nov. 1, 1977, pp. 512-513.
Swain; "Electronics, Australia"; Jan. 1980, pp. 42-44.

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