1
Frédéric Wehoski: Contactless communication system for exchanging data. Régie Autonome des Transports Parisiens, Nixon & Vanderhye PC, October 21, 2003: US06636146 (94 worldwide citation)

The terminal includes a coil co-operating with a data transmitter/receiver. The portable object includes a remotely powered electric circuit including: a coil for picking up the modulated magnetic field from the terminal or for responding by producing modulated disturbance of the magnetic field; a c ...


2
Alton B Otis Jr, Darrell Ingram, Tom Papanek: Contactless communication system. Aprex Corporation, Burns Doane Swecker & Mathis, June 29, 1999: US05917429 (85 worldwide citation)

Digital data are communicated between a portable data-gathering unit and a data-receiving unit without direct electrical connection by transmitting the data over a contactless connection system. In a preferred embodiment, data flow is bidirectional.


3
Hiroto Watanabe, Kazuhiko Daido: Non-contact communication system information carrier. Hitachi Maxell, Birch Stewart Kolasch & Birch, February 5, 2008: US07327266 (8 worldwide citation)

A contactless communication system information carrier which is high in handleability and yield but low in cost is provided. It includes a core piece 11 in which an IC chip 1 with an antenna coil 3 integrally formed on one surface is fitted inside a recess 6 of a core piece body 5, a non-metal space ...


4
Yuichiro Nakai, Shota Nakashima: Contactless communication system and data carrier used for the same. Matsushita Electric Industrial, Steptoe & Johnson, December 11, 2007: US07307964 (6 worldwide citation)

To provide a contactless communication system that can reduce a time required to complete an identification of all data carriers that exist around a reader/writer and thus attempt to speed up its processing. According to the contactless communication system, multiple data carriers detect a response ...


5
Deborgies Luc: Device for protection against fraud in contactless communication objects. Xiring, May 7, 2008: EP1918859-A1 (5 worldwide citation)

The device (1) has a receiving unit (13) receiving radio-frequency signals (S22) from a terminal (2). The signals generate energy to operate the device for activating a processing and supply circuit (11) generating an interference signal (S21). The signal (S21) deteriorates reception of radio signal ...


6
Yagi Masaaki, Wakabayashi Naoyuki: Contactless communication medium, contactless information reading and writing machine and contactless communication system. Omron, April 28, 2000: JP2000-123138 (4 worldwide citation)

PROBLEM TO BE SOLVED: To provide a contactless communication medium, a contactless information reading/writing machine and a contactless communication system which can surely execute the communication of data with no necessity required for detecting that the contactless IC cards are overlapping each ...


7
Takanori Washiro: High-frequency electric field coupler, communication system, and communication apparatus. Sony Corporation, Finnegan Henderson Farabow Garrett & Dunner L, October 16, 2012: US08289100 (3 worldwide citation)

A high-frequency electric field coupler is provided for use in a contactless communication system propagating high frequency signals in a wide band utilizing electric field coupling. The coupler includes a coupling electrode and a resonance unit operating to increase the amplitude of an electrical c ...


8
Takanori Washiro: High-frequency electric field coupler, communication system, and communication apparatus. Sony Corporation, Finnegan Henderson Farabow Garrett & Dunner L, August 30, 2011: US08008985 (3 worldwide citation)

A high-frequency electric field coupler is provided for use in a contactless communication system propagating high frequency signals in a wide band utilizing electric field coupling. The coupler includes a coupling electrode and a resonance unit operating to increase the amplitude of an electrical c ...


9
Otis Alto B, Ingram Darrell, Papanek Tom: Contactless communication system.. Aprex, March 30, 1994: EP0589608-A2 (3 worldwide citation)

Digital data are communicated between a portable data-gathering unit and a data-receiving unit without direct electrical connection by transmitting the data over a contactless connection system. In a preferred embodiment, data flow is bidirectional.


10
Pérez, López José Angel, Agueda, Quesada Aitor María: (Es) Cerradura electrónica con sistema de autodespierte mediante sensor de proximidad capacitivo, (En) Electronic lock comprising an automatic actuation system which uses a capacitive proximity sensor. Onity Sl, Pérez, López José Angel, Agueda, Quesada Aitor María, ISAACS ABRIL Miguel, March 2, 2006: WO/2006/021592 (3 worldwide citation)

(EN) The invention relates to a low-power-consumption electronic proximity lock comprising an automatic actuation system which measures variations in the capacitance of the environment of a plate (3). According to the invention, the aforementioned plate serves as a proximity sensor which, together w ...