Miscellaneous active electrical nonlinear devices – circuits – and – Signal converting – shaping – or generating – Current driver
Reexamination Certificate
2006-05-02
2006-05-02
Ton, My-Trang Nu (Department: 2816)
Miscellaneous active electrical nonlinear devices, circuits, and
Signal converting, shaping, or generating
Current driver
C327S453000, C327S455000
Reexamination Certificate
active
07038503
ABSTRACT:
A driving circuit for electrical nailing gun is disclosed to include a capacitive charging/discharging unit formed of a first resistor, a first diode, and a capacitor connected in series and connected with two opposite ends thereof to the positive and negative poles of AC power source, an excited field unit formed of a first coil and a first electrically-controlled switch connected in series and having two opposite ends connected in parallel to the capacitor, and a control unit electrically connected to the first electrically-controlled switch for activating the first electrically-controlled switch.
REFERENCES:
patent: 5633779 (1997-05-01), Knoble et al.
patent: 6249103 (2001-06-01), Alvaro et al.
patent: 6329784 (2001-12-01), Puppin et al.
patent: 6356038 (2002-03-01), Bishel
patent: 6674248 (2004-01-01), Newman et al.
patent: 6784622 (2004-08-01), Newman et al.
patent: 6880740 (2005-04-01), Lu
Mobiletron Electronics Co., Ltd.
Nu Ton My-Trang
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