Electricity: battery or capacitor charging or discharging – Capacitor charging or discharging
Reexamination Certificate
2006-02-03
2008-11-25
Tso, Edward (Department: 2838)
Electricity: battery or capacitor charging or discharging
Capacitor charging or discharging
Reexamination Certificate
active
07456615
ABSTRACT:
A capacitor charging arrangement to be supplied by a voltage containing network cycles, and having a gate-controlled semiconductor switch (Tch) arranged for charging the capacitor (Caux) and generating a control signal of the gate-controlled semiconductor switch. The control signal is generated with a device that includes a clipper, a first integrator, a second integrator, a cycle indicator, a reset device, an adder, a restricting circuit, a trigger circuit, and an isolation transformer.
REFERENCES:
patent: 4238723 (1980-12-01), Jenks
patent: 5179842 (1993-01-01), Kanazawa
patent: 2005/0105312 (2005-05-01), Miettinen
patent: 195 08 348 (1996-09-01), None
patent: 20030632 (2004-10-01), None
patent: 1-308170 (1989-12-01), None
Finnish Search Report (with English translation of cited documents) dated Jan. 9, 2006.
ABB Oy
Buchanan & Ingersoll & Rooney PC
Tso Edward
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