Device for curing with light
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United States of America Patent
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Aug 1, 2000
Grant Date -
N/A
app pub date -
Mar 1, 1999
filing date -
Mar 11, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A curing device for curing dental materials by light-induced polymerization has a supply station and a hand-held apparatus including a light source. A detachable cable connects the hand-held apparatus to the supply station. An output control device controls the light source in order to ensure a uniform light intensity, wherein the output control device has a preset nominal output. The output control device includes a control FET. The cable is connected within the output control device. The output control device prevents switching on the curing device or emits a warning signal when the nominal output requires a voltage, surpassing a control bias voltage minus a potential difference of the control FET, or a corresponding current.
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