Flash tube devices
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United States of America Patent
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-
Mar 5, 1996
Grant Date -
N/A
app pub date -
Sep 15, 1994
filing date -
Sep 15, 1994
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A flash device has a flash tube which generates light in response to electrical energy. The amount of light emitted by the flash tube is monitored by a circuit which is connected to means for adjusting the electrical energy supplied to said flash tube when a predetermined amount of light has been emitted to thereby increase the effective life span of the flash tube and maintain intensity level of the flash tube within a given tolerance.
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