Circuit device

Details Circuit device Circuit device

2009-06-05

2011-12-27

Levi, Dameon (Department: 2835)

Electricity: electrical systems and devices

Housing or mounting assemblies with diverse electrical...

For electronic systems and devices

C361S782000, C361S811000, C361S821000, C361S778000

Reexamination Certificate

active

08085549

ABSTRACT:
The circuit device includes a first transmitting inductor, a first insulating layer, a first receiving inductor, and a second receiving inductor. The first transmitting inductor is constituted of a helical conductive pattern and receives a transmitted signal. The first receiving inductor is located in a region overlapping the first transmitting inductor through the first insulating layer. The first receiving inductor is constituted of a helical conductive pattern, and generates a received signal corresponding to the transmitted signal input to the first transmitting inductor. The second receiving inductor is connected in series to the first receiving inductor, and constituted of a helical conductive pattern. The second receiving inductor generates a voltage in an opposite direction to that generated by the first receiving inductor, in response to a magnetic field of the same direction.

REFERENCES:
patent: 4888568 (1989-12-01), Kawaguchi
patent: 5357227 (1994-10-01), Tonegawa et al.
patent: 6380608 (2002-04-01), Bentley
patent: 6486765 (2002-11-01), Katayanagi
patent: 2004/0004525 (2004-01-01), Rittner et al.
patent: 2004/0075521 (2004-04-01), Yu et al.
patent: 2009/0243110 (2009-10-01), Muramatsu et al.
patent: 6-120048 (1994-04-01), None

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