Industry Patents
Patent: 7271550
Dimmer Circuit Arrangement
(Click image for PDF of full patent)

| Patent Number: |
7271550 |
| Title: |
Dimmer Circuit Arrangement |
| Abstract: |
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.
|
| Country of Issue: |
US |
| First Named Inventor: |
Vanderzon |
| Assignee: |
Clipsal |
| Continuation or Divisional of: |
|
| International Classification: |
G05F 1/00 |
| US Classification: |
315/291 |
| Issue Date: |
09-18-2007 |
| Filing Date: |
03-25-2003 |
| Application : |
10/508589 |
| Notes: |
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| Link to Patent at freepatentsonline.com: |
7271550 at Freepatentsonline |
| Link to World Patent Family1: |
World Patent Family at European Patent Office |
| Link to Google Patents1: |
7271550 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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