Communications: radio wave antennas – Antennas – Microstrip
Reexamination Certificate
2008-09-22
2011-12-20
Duong, Dieu H (Department: 2821)
Communications: radio wave antennas
Antennas
Microstrip
C343S820000, C343S850000
Reexamination Certificate
active
08081119
ABSTRACT:
A product includes a power supply circuit board, which includes a power supply circuit having a stable frequency characteristic which enables communication among various products to be obtained. The product includes a power supply circuit board including a power supply circuit arranged thereon having an inductance element, and a wireless communication circuit board electrically connected to the power supply circuit. The wireless communication circuit board is mounted on the power supply circuit board. The product further includes a radiation plate which emits a transmission signal which is supplied from the power supply circuit through electromagnetic field coupling and which has a frequency substantially determined in accordance with a resonant frequency of the power supply circuit, and which is used to supply a reception signal to the power supply circuit through electromagnetic field coupling.
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Kato Noboru
Kimura Ikuhei
Duong Dieu H
Keating & Bennett LLP
Murata Manufacturing Co. Ltd.
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