Power control device of an electric tool, a method of power...

Details Power control device of an electric tool, a method of power... Power control device of an electric tool, a method of power...

2006-07-11

2006-07-11

Duda, Rina (Department: 2837)

Electricity: motive power systems

Constant motor current, load and/or torque control

C388S907500, C388S937000, C388S904000, C318S434000

Reexamination Certificate

active

07075258

ABSTRACT:
A power control device of an electric tool has a control or regulating device for adjusting a power output to an electric motor of the electric tool by means of a pulse width modulation, and a frequency transmitter that varies a frequency of the pulse width modulation in dependence on a required power output; also a method for power control in an electric tool, as well as an electric tool with a power control device are provided as well.

REFERENCES:
patent: 5014793 (1991-05-01), Germanton et al.
patent: 5154242 (1992-10-01), Soshin et al.
patent: 5868208 (1999-02-01), Peisert et al.
patent: 6424799 (2002-07-01), Gilmore
patent: 6430463 (2002-08-01), Lysaght
patent: 6696814 (2004-02-01), Henderson et al.
patent: 6705408 (2004-03-01), Kim et al.
patent: 0 413 966 (1991-02-01), None
patent: 2-280671 (1990-11-01), None
Patent Asbtracts of Japan JP 2003309993A, Oct. 31, 2003.
Patent Abstracts of Japan JP 2002325472 A Nov. 8, 2002.

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