: IMPROVED DIMMER CIRCUIT ARRANGEMENT

Application 1444/KOLNP/2004 published 2006-08-18, filed 2004-09-28
A dimmer circuit arrangement is disclosed including a second control circuit (40) for controlling the operation of a triac (50) for delivering current to a load (60), and a first control circuit (10) for controlling the operation of an IGBT power semiconductor switch (20) for controlling the rate of rise of load voltage. The first control circuit also controls the operation of the second control circuit. (FIG. 4)

Applicant

CLIPSAL INTEGRATED SYSTEMS PTY LTD.
12 PARK TERRACE, BOWDEN, S. A. 5007 AUSTRALIA.

Inventor

VANDERZON JAMES ROBERT.

International Info

Classification: H 05 B 39/04
Publication Number: WO 03/081961 A1
Application Date: 2003-03-25

Priority Information

PS1312 AU 2002-03-25