Title:
ACTIVE TAG DEVICE
Document Type and Number:
Japanese Patent JP2012147419
Kind Code:
A
Abstract:
To provide an active tag device in which power saving of a built-in battery is achieved by limiting power supply from the built-in battery to a receiving circuit.
The active tag device comprises: the receiving circuit (for example, an LF signal receiving circuit) for receiving a signal from an external radio wave generating source (for example, a reading apparatus) via an antenna (for example, an LF antenna); and power control means for performing control so that an operation period in which the receiving circuit receives power supply from the built-in battery to perform receiving operation and a pause period in which the receiving circuit does not receive power supply from the built-in battery are repeated.
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Inventors:
OHASHI TETSUYA
TAKENAGA HIDEKI
TAKENAGA HIDEKI
Application Number:
JP2011255950A
Publication Date:
August 02, 2012
Filing Date:
November 24, 2011
Export Citation:
Assignee:
PANASONIC CORP
International Classes:
H04B1/59; G06K19/07
Attorney, Agent or Firm:
Shiro Nakajima
Kobayashi Kunito
Koji Kawabata
Koichi Kimura
Kobayashi Kunito
Koji Kawabata
Koichi Kimura