CA2629571A1 - Systemes, methodes et produits programmes d'ordinateur de reglage automatique de l'indice de modulation d'un lecteur de dispositif intelligent sans fil - Google Patents

Systemes, methodes et produits programmes d'ordinateur de reglage automatique de l'indice de modulation d'un lecteur de dispositif intelligent sans fil Download PDF

Info

Publication number
CA2629571A1
CA2629571A1 CA 2629571 CA2629571A CA2629571A1 CA 2629571 A1 CA2629571 A1 CA 2629571A1 CA 2629571 CA2629571 CA 2629571 CA 2629571 A CA2629571 A CA 2629571A CA 2629571 A1 CA2629571 A1 CA 2629571A1
Authority
CA
Canada
Prior art keywords
signal
smart device
wireless smart
modulation index
parameter
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA 2629571
Other languages
English (en)
Inventor
Bruce L. Moullette
Steve Song
Xuejun Jiao
William S. Jr. Johnson
Bruce M. Bousfield
John E. Wiese
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Vivotech Inc
Original Assignee
Vivotech Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US11/820,795 external-priority patent/US20080237345A1/en
Application filed by Vivotech Inc filed Critical Vivotech Inc
Publication of CA2629571A1 publication Critical patent/CA2629571A1/fr
Abandoned legal-status Critical Current

Links

Landscapes

  • Near-Field Transmission Systems (AREA)
CA 2629571 2007-03-30 2008-03-28 Systemes, methodes et produits programmes d'ordinateur de reglage automatique de l'indice de modulation d'un lecteur de dispositif intelligent sans fil Abandoned CA2629571A1 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US92115807P 2007-03-30 2007-03-30
US60/921,158 2007-03-30
US11/820,795 2007-06-20
US11/820,795 US20080237345A1 (en) 2007-03-30 2007-06-20 Systems, methods, and computer program products for automatically adjusting the modulation index of a wireless smart device reader

Publications (1)

Publication Number Publication Date
CA2629571A1 true CA2629571A1 (fr) 2008-09-30

Family

ID=39792529

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2629571 Abandoned CA2629571A1 (fr) 2007-03-30 2008-03-28 Systemes, methodes et produits programmes d'ordinateur de reglage automatique de l'indice de modulation d'un lecteur de dispositif intelligent sans fil

Country Status (1)

Country Link
CA (1) CA2629571A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119995637A (zh) * 2025-02-11 2025-05-13 常州信息职业技术学院 多源数据通讯系统及通讯方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119995637A (zh) * 2025-02-11 2025-05-13 常州信息职业技术学院 多源数据通讯系统及通讯方法

Similar Documents

Publication Publication Date Title
US20080237345A1 (en) Systems, methods, and computer program products for automatically adjusting the modulation index of a wireless smart device reader
US20080238624A1 (en) Rfid reader with active blocking rejection in receiver
US9402278B2 (en) Multi-mode communication system for a mobile phone
US9894468B2 (en) Apparatus for selectively coupling an energy storage device
KR101492948B1 (ko) 조절가능 이득을 갖는 근거리 무선 통신 장치
US9292782B2 (en) Adaptive NFC transceivers
US8249502B2 (en) Radio-frequency communication device, system and method
US9646299B1 (en) Dynamic adjustment of near field communication tuning parameters
EP3469721B1 (fr) Systèmes de communication sans fil à antenne auxiliaire
US11671137B2 (en) Electronic device and method for identifying components corresponding to designated frequency band included in transmission signal
US20170098107A1 (en) Systems and methods using load modulation for wireless communication
US10198727B1 (en) Modulation of a near-field communication signal
HUE030611T2 (en) Smart card performance improvement circuits and systems
CN109756249A (zh) 近场通信设备
CN114024579B (zh) 谐振频率的调整方法、装置、芯片、终端和可读存储介质
US20100328026A1 (en) Authentication of an electromagnetic terminal-transponder couple by the transponder
CN108206710B (zh) 用于操作经由电感耦合通信的通信装置的方法和系统
US9507975B2 (en) Protection of communication between an electromagnetic transponder and a terminal
CN115769502B (zh) 用于近场通信的收发器系统、近场读写器系统和频分协调自动功率控制方法
WO2018067559A1 (fr) Circuit de détection de phase d'émission
JP4691825B2 (ja) 読み出し機の場における電磁気トランスポンダの数の評価
US20140113692A1 (en) Transponder positioning aid
US9344156B2 (en) Protection of communication by an electromagnetic transponder
WO2025151361A1 (fr) Procédure de polarisation adaptative pour augmenter l'efficacité pa dans des lecteurs rfid
CN203299826U (zh) 访问距离数字可调的非接触式读卡器

Legal Events

Date Code Title Description
FZDE Dead