Wireless IC device and component for wireless IC device

Details Wireless IC device and component for wireless IC device Wireless IC device and component for wireless IC device

2009-08-19

2011-12-13

Trinh, Sonny (Department: 2618)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S041100, C455S334000

Reexamination Certificate

active

08078106

ABSTRACT:
A wireless IC device includes a wireless IC chip, a power supply circuit board upon which the wireless IC chip is mounted, and in which a power supply circuit is provided, the power supply circuit includes a resonant circuit having a predetermined resonant frequency, and a radiation pattern, which is adhered to the underside of the power supply circuit board, for radiating a transmission signal supplied from the power supply circuit, and for receiving a reception signal to supply this to the power supply circuit. The resonant circuit is an LC resonant circuit including an inductance device and capacitance devices. The power supply circuit board is a multilayer rigid board or a single-layer rigid board, and between the wireless IC chip and the radiation pattern is connected by DC connection, magnetic coupling, or capacitive coupling.

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