Inductive contactless power transmitter

Details Inductive contactless power transmitter Inductive contactless power transmitter

2005-06-28

2005-06-28

Riley, Shawn (Department: 2838)

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

Reexamination Certificate

active

06912137

ABSTRACT:
The present invention relates to an inductive contactless power transmitter having a primary side including a first inductor (LP) on the primary side and an oscillator for producing an alternating signal which is supplied to the inductor (LP) on the primary side, and having a secondary side which includes an inductor on the secondary side that can be coupled to the inductor (LP) on the primary side, a load (RL) which is variable in time, and a detection means (42) for determining a power demand of the load on the secondary side, the first oscillator being a voltage-controlled oscillator having a frequency that is adjustable in response to the power demand determined by the detection means (42).

REFERENCES:
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patent: 6018467 (2000-01-01), Majid et al.
patent: 6118249 (2000-09-01), Brockmann et al.
patent: 6160374 (2000-12-01), Hayes et al.
patent: 6490176 (2002-12-01), Holzer et al.
patent: 2002/0141208 (2002-10-01), Nanbu et al.
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patent: 4438387 (1996-05-01), None
patent: 19633171 (1998-02-01), None
patent: 19741279 (1999-03-01), None
patent: 11283854 (1999-10-01), None

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