Input waveform follow-up AC power source system
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Jun 3, 1997
Grant Date -
N/A
app pub date -
Oct 18, 1995
filing date -
Jul 18, 1995
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An input waveform follow-up AC power source system is shown, which can obtain a desired sinusoidal voltage or current wave continuously and with the same or a similar waveform from a constant power source, as well as being small in size and light in weight. The AC power source system, which provides a desired AC voltage or current from an AC power source, comprises a first AC switch provided between the input side and the output side and on-off operated in a predetermined cycle, and a second AC switch provided on the output side of the first AC switch and at a position to short-circuit the output side and on-off operated conversely to the first AC switch. A predetermined pause time is provided between the operations of the first and second AC switches. Each AC switch has two semiconductor elements, and diodes each connected between controlled terminals of and in opposite conduction polarity to each semiconductor element, like polarity controlled terminals of the two semiconductor elements being connected to each other, the same control signal being supplied to a control input terminal of each semiconductor element for on-off switching AC between the other controlled terminals of the semiconductor elements.
First Claim
Family
International Classification(s)
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