Adjustable drive circuit for capacitive electroluminescent lamps
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Apr 22, 1997
Issued Date -
N/A
app pub date -
Apr 24, 1995
filing date -
Apr 24, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drive circuit having a converter that provides current pulses that charge a capacitive electroluminescent (EL) lamp to produce light, a switching circuit that switches successive current pulses for progressively charging the EL lamp and an adjustable circuit that permits external control of the switching circuit to provide a plurality of different predetermined numbers of the current pulses to the EL lamp is disclosed.
First Claim
Family
International Classification(s)
- [Classification Symbol]
- [Patents Count]
Cited Art Landscape
Patent Citation Ranking
Recipient Email Address
Recipient Email Address
Comment
Recipient Email Address
Add to Portfolio(s)
To add this patent to one, or more, of your portfolios, simply click the add button.
This Patent is in these Portfolios:
Add to additional portfolios:
Last Refreshed On:
Changes done successfully