Electronic flash equipment
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Jul 11, 1989
Issued Date -
N/A
app pub date -
Aug 19, 1987
filing date -
Aug 18, 1984
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Electronic flash equipment in the present including a Field Effect Transistor which is connected to a flash tube in series and a voltage control structure which controls the conductivity of the Field Effect Transistor by control of a voltage across the gate and the source of the Field Effect Transistor. A automatic light control and a high frequency repeating flash light radiation are realized by control of the voltage.
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