Title:
REMOVABLE CONDUCTIVE LAYER THAT SHIELDS AND/OR SHORTS NODES OF AN NFC CIRCUIT TO CONTROL TRANSMISSIONS THEREFROM
Document Type and Number:
WIPO Patent Application WO/2015/125188
Kind Code:
A1
Abstract:
An apparatus includes an NFC circuit and an electrically conductive layer. The NFC circuit includes an antenna configured to inductively couple to signals emitted by another NFC circuit, a charging circuit configured to output power provided by the inductive coupling through the antenna to the signals emitted by the other NFC circuit, and a transceiver circuit configured to be powered by the charging circuit to transmit data for receipt by the other NFC circuit. The electrically conductive layer is removable from being on the NFC circuit, and while the electrically conductive layer is on the NFC circuit the transceiver circuit is prevented from transmitting. The electrically conductive layer can include a removable conductive sticker that electrically connects to one or more locations on the antenna, to a ground plane of the NFC circuit, and/or to another circuit node of the NFC circuit to prevent the transceiver circuit from transmitting.
Inventors:
NAMBORD MAGNUS (SE)
HANSSON EMIL (SE)
HANSSON EMIL (SE)
Application Number:
PCT/JP2014/004901
Publication Date:
August 27, 2015
Filing Date:
September 25, 2014
Export Citation:
Assignee:
SONY CORP (JP)
International Classes:
H04B5/00
Foreign References:
| US20080303632A1 | 2008-12-11 | |||
| US20120315845A1 | 2012-12-13 |
Other References:
See also references of EP 3108592A1
Attorney, Agent or Firm:
KAMEYA, Yoshiaki (Daiichi Tomizawa Building 3-1-3, Yotsuya, Shinjuku-k, Tokyo 04, JP)
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