Industry Patents
Patent: 7339331
Dimmer Circuit With Improved Ripple Control
(Click image for PDF of full patent)

| Patent Number: |
7339331 |
| Title: |
Dimmer Circuit With Improved Ripple Control |
| Abstract: |
A dimmer circuit arrangement is disclosed including a second control
circuit for controlling the operation of a triac for delivering current
to a load, and a first control circuit for controlling the operation of
an IGBT power semiconductor switch for controlling the rate of rise of
load voltage. The first control circuit also controls the operation of
the second control circuit.
|
| Country of Issue: |
US |
| First Named Inventor: |
Vanderzon |
| Assignee: |
Clipsal Integrated Systems |
| Continuation or Divisional of: |
|
| International Classification: |
G05F 1/00 |
| US Classification: |
315/291 |
| Issue Date: |
03-04-2008 |
| Filing Date: |
03-25-2003 |
| Application : |
10/508584 |
| Notes: |
|
| Link to Patent at freepatentsonline.com: |
7339331 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
7339331 at Google Patents |
1. The Google Patents and World Patent Family links will likely not work until a few weeks
after the patent has issued - they take a while to get new patents in their systems.
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