Triac drive for lighting and for inductive load control

Details Triac drive for lighting and for inductive load control Triac drive for lighting and for inductive load control

1994-03-28

1995-12-19

Pascal, Robert J.

Electric lamp and discharge devices: systems

Regulation of the control current and/or potential applied...

315292, 315294, 315324, 323320, H05B 3702

Patent

active

054771110

ABSTRACT:
A dimmer for use in lighting control in which a triac control circuit in included which allows for control of both incandescent and low voltage lighting systems at low and high intensities 142,144. The triac control circuit includes a microcontroller 130 which alters the duration of the gate triggering pulse for the triac 134 based upon the desired intensity level of the load. This dimmer is used in a lighting control system and the dimmer is responsive to a system controller 2 as well as to momentary switch inputs which are made directly to the dimmer. The triac control circuit can also be used with other inductive loads.

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patent: 5382516 (1994-02-01), Lohoff
David A. Bell, Electronic Devices & Circuits, 1980, pp. 346-361.
Timothy J. Maloney, Industrial Solid-State Electronics, 1979, pp. 180-207.

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