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公开(公告)号：US11012118B2
公开(公告)日：2021-05-18
申请号：US15989554
申请日：2018-05-25
Inventor： Alexandre Tramoni , Maksimiljan Stiglic , Kosta Kovacic
IPC: H04B5/00
Abstract: A near field communication (NFC) method includes activating an NFC device second device in response to a first electromagnetic field generated by a nearby NFC device. The NFC device generates a second electromagnetic field after being activated. The first NFC device can detect the second electromagnetic field and initiate a near field communication process.
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12.发明授权公开(公告)号：US10984301B2
公开(公告)日：2021-04-20
申请号：US16442811
申请日：2019-06-17
Inventor： Maksimiljan Stiglic , Iztok Bratuz , Albin Pevec , Roman Benkovic
Abstract: An integrated circuit, includes: an input configured to receive an induced signal that is modulated according to a protocol belonging to the group including protocols using ASK modulation and protocols using OOK modulation; a detection circuit configured to detect the modulation of the induced signal; a decoding circuit configured to detect the protocol; a configurable limiter configured to limit a level of the induced signal and having a first configuration adapted to protocols using ASK modulation and a second configuration adapted to protocols using OOK modulation; and a control circuit configured to set the limiter in the first configuration until a protocol is detected, and to switch the limiter from the first configuration to the second configuration in response to a protocol using OOK modulation being detected.
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Patent Agency Ranking
13.发明授权公开(公告)号：US10853593B2
公开(公告)日：2020-12-01
申请号：US16443227
申请日：2019-06-17
Inventor： Maksimiljan Stiglic , Iztok Bratuz , Albin Pevec , Roman Benkovic
Abstract: A method for decoding a data stream carried by a modulated signal includes receiving the modulated signal. The modulated signal is modulated according to a protocol belonging to a group of protocols including at least three protocols. The method further includes extracting a clock signal from the received modulated signal, detecting the protocol, and decoding the data stream according to the detected protocol using the extracted clock signal.
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14.发明申请公开(公告)号：US20190385036A1
公开(公告)日：2019-12-19
申请号：US16442811
申请日：2019-06-17
Inventor： Maksimiljan Stiglic , Iztok Bratuz , Albin Pevec , Roman Benkovic
Abstract: An integrated circuit, includes: an input configured to receive an induced signal that is modulated according to a protocol belonging to the group including protocols using ASK modulation and protocols using OOK modulation; a detection circuit configured to detect the modulation of the induced signal; a decoding circuit configured to detect the protocol; a configurable limiter configured to limit a level of the induced signal and having a first configuration adapted to protocols using ASK modulation and a second configuration adapted to protocols using OOK modulation; and a control circuit configured to set the limiter in the first configuration until a protocol is detected, and to switch the limiter from the first configuration to the second configuration in response to a protocol using OOK modulation being detected.
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公开(公告)号：US10326193B2
公开(公告)日：2019-06-18
申请号：US15951774
申请日：2018-04-12
Inventor： Alexandre Tramoni , Nicolas Cordier , Maksimiljan Stiglic
Abstract: In some embodiments, a contactless communication device includes an antenna, and a driving stage having a power supply terminal configured to receive a power supply voltage, where the driving stage is configured to deliver a current to the antenna. The device further includes a monitoring circuit configured to monitor the power transmitted by the antenna. The monitoring circuit is configured, in the presence of a request for a reduction in a current level of transmitted power, to reduce the power supply voltage of the driving stage down to a target value corresponding to a new level of the transmitted power less than the current level.
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公开(公告)号：US20190044770A1
公开(公告)日：2019-02-07
申请号：US16156155
申请日：2018-10-10
Inventor： Maksimiljan Stiglic , Kosta Kovacic
Abstract: A method of wireless communication includes transmitting frames from a transponder to a reader and synchronizing between a reader carrier frequency and an active load modulation (ALM) carrier frequency within each transmitted frame. Each transmitted frame includes ALM carrier bursts generated from subcarrier modulation by binary phase shift keying (BPSK) data encoding and producing signal oscillations at a transponder antenna after each ALM carrier burst generation, The synchronizing occurs at each phase change of the data encoding when no burst is generated during a half period of the subcarrier preceding the phase change and a half period of the subcarrier following this phase change. The transponder antenna has a moderate quality factor sufficient to naturally damp the signal oscillations so that the synchronizing is performed without performing any controlled signal oscillations damping.
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公开(公告)号：US20180324012A1
公开(公告)日：2018-11-08
申请号：US15966948
申请日：2018-04-30
Inventor： Maksimiljan Stiglic , Kosta Kovacic
CPC classification number: H04L27/2071 , G06K19/0723 , H04B5/0056 , H04L27/04 , H04L27/361
Abstract: A method of wireless communication includes transmitting frames from a transponder to a reader and synchronizing between a reader carrier frequency and an active load modulation (ALM) carrier frequency within each transmitted frame. Each transmitted frame includes ALM carrier bursts generated from subcarrier modulation by binary phase shift keying (BPSK) data encoding and producing signal oscillations at a transponder antenna after each ALM carrier burst generation, The synchronizing occurs at each phase change of the data encoding when no burst is generated during a half period of the subcarrier preceding the phase change and a half period of the subcarrier following this phase change. The transponder antenna has a moderate quality factor sufficient to naturally damp the signal oscillations so that the synchronizing is performed without performing any controlled signal oscillations damping.
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