Electrical torch
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Aug 4, 2009
Grant Date -
Dec 13, 2007
app pub date -
Jun 8, 2006
filing date -
Jun 8, 2006
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A new and practical electrical torch. The electrical torch includes a canister, a beam cover connected to one end of the canister and a base connected to another end of the canister. The illumination device is installed in the beam cover. It is connected with a positive pole of the power supply. The electric switch is connected to a power supply in the canister. The electric switch includes a single-chip, N channeling MOST (metal oxide semiconductor transistor) and a diode connected in turn. Furthermore, the diode is serially connected with one discharge resistance and energy-saving discharge capacitance. An output pin of the single-chip is connected to a touch switch. The other end of the touch switch is grounded. Moreover, one end of a pull-low resistance is connected to the output pin of the single-chip. The other end of the resistance is grounded. Therefore, this type of electrical torch provides both lighting and may also transmit a warning signal.
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