Title:
近距離無線通信装置を含む携帯品
Document Type and Number:
Japanese Patent JP6514760
Kind Code:
B2
Abstract:
A portable object includes a near-field communication device. The communication device includes an electronic chip provided with two terminals connected to an electrical circuit including an antenna and a filter. The communication device is provided to receive and transmit at a defined frequency corresponding to the resonance frequency of the electrical circuit. The portable object includes a control element which is able to be displaced between two predefined positions, i.e. an active position in which the communication device is activated and a passive position in which the communication device is deactivated. The electrical circuit includes, furthermore, a bypass branch provided with a mechanical switch which is able to switch between an open state and a closed state in response to a displacement of the control element from one to the other of its predefined positions causing a modification in the resonance frequency of the electrical circuit.
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Inventors:
Pielie veuille
Jean-Claude Martin
Michelle Willman
Thierry Skordiris
Jean-Claude Martin
Michelle Willman
Thierry Skordiris
Application Number:
JP2017244792A
Publication Date:
May 15, 2019
Filing Date:
December 21, 2017
Export Citation:
Assignee:
The Swatch Group Research and Development Limited
International Classes:
G04G21/04; G04G21/00; G06K19/07; G06K19/073; G06K19/077; H04B1/59; H04B5/02
Domestic Patent References:
| JP2000286761A | ||||
| JP2001147996A | ||||
| JP2008016022A |
Foreign References:
| US20070152828 | ||||
| US9189725 |
Attorney, Agent or Firm:
Shigeki Yamakawa
Masaki Yamakawa
Masaki Yamakawa