Thomson Licensing

Thomson Licensing S.a.

Interdigital Ce Patent Holdings

Thomas Licensing

Thomson Licensing Dtv

Interdigital Madison Patent Holdings

Philippe Minard

Ali Louzir

Dominique Lo Hine Tong

Jean-François Pintos

Jean-Luc Robert

Franck Thudor

Françoise Le Bolzer

Jean-Yves Le Naour

Philippe Chambelin

Jean-Marc Le Foulgoc

Jean-Fran&ccedil;ois Pintos

Philippe Gilberton

Corinne Nicolas

Anthony Aubin

Jean-Philippe Coupez

Christophe Prat

Nicolas Boisbouvier

Christian Person

Bernard Denis

Francois Baron

François Baron

Jean-Luc Le Bras

Claude Rambault

Fran&ccedil;oise Le Bolzer

Julian Thevenard

Henri Fourdeux

Loïc Marnat

Kevin Nadaud

Rupesh Kumar

Brice Praho

Pascal Nadeau

Dominique Lo Hiine Tong

Nicolas Boivbouvier

Apparatus () and method () for passive remote control are provided. The apparatus () includes at least two radio-frequency identification (RFID) tag devices (___N,__) each operable to transmit a signal when activated and a first switch coupled to the at least two RFID tag devices (___K,_) and operable to activate the at least two RFID tag devices when the first switch is in a first switch state, said first switch being a first key identified by RFID tag information of the at least two RFID tag devices. Apparatus () and method () for receiving RFID signals are also provided.

Method and apparatus for passive remote control

The present invention relates to an antenna for wireless application made from a component of an electronic device, said component being attached to the casing of the electronic device and comprising a conductive part and at least one mounting pin made of conductive material, the conductive part forming the radiating element of the antenna and the mounting pin being connected electrically to a feed line of the antenna and to a ground plane by a shunt.

Antenna assembly

The invention relates to a device for transmitting and/or receiving radio frequency signals comprising at least one antenna and/or at least one filter realised in printed technology on a dielectric substrate. According to the invention, this device is equipped with means for compensating the permittivity dispersions of the substrate. For this purpose, the device comprises a circuit for measuring the dielectric permittivity of the substrate able to deliver a measured permittivity value and adjustment means able to adjust the impedance of the antenna and/or the frequency response of said filter according to said measured permittivity value.

Radio frequency device with compensation of permittivity dispersion of the substrate and adjustment method

A circuit board for an antenna assembly comprising: an antenna, a slot extending from a front end of the circuit board for trapping ground currents generated by the antenna, at least one electronic component placed at a front end of the circuit board, at least one of a biasing line and a ground line for the at least one electronic component wherein the biasing line and/or the ground line are routed from the electronic component through the slot.

Circuit board for an antenna assembly

The invention relates to a dipole antenna including first and second radiating elements electrically connected via a transition, said first and second elements being associated with a frequency fin a frequency band, a feeding point the feeding point and the reference point being respectively connected to a feeding conductor and a ground conductor of a feeding line, and a balun. The balun is formed by a slot arranged in the first radiating element, said slot having a short circuit at a first end and an open circuit at a second end next to the transition. The feeding point and the reference point are arranged on opposite sides of the slot.

Dipole antenna with integrated balun

An architecture for providing a low cost, high performance antenna for small devices In particular, a rotatable antenna that having three antenna elements; a primary element consisting of a radiating element and swiveling cylindrical head, a secondary element that consists of a feeding cylindrical pin attached vertically to an electronic device main board, and a third element that consists of a plastic part over-molding the secondary element to permit electromagnetic coupling accuracy between the primary and secondary elements.

Antenna device having rotatable structure

A circuit board assembly for an electronic device, comprising: a main circuit board provided with a ground plane and at least one electronic component for performing one or more functions of the electronic device; a wireless module board spaced apart from and over the main circuit board, the wireless module board being provided with a feed line and at least one wireless module for performing wireless operations; and an antenna element for wireless communication, the antenna element comprising a resonating element, a first connection element connected to the feed line of the wireless module board and a second connection element connected to the main circuit board.

Assembly of circuit boards and electronic device comprising said assembly

The present invention relates to a compact slot antenna formed, in a multilayer substrate comprising, in order, at least one first conductive layer, a first dielectric layer, a second conductive layer, a second dielectric layer and a third conductive layer, of a first slot-line realized in the second conductive layer, said first slot-line being connected to the supply of the antenna, of a second and a third slot-lines realized respectively in the first and in the third conductive layers, the second and third slot-lines each being delimited by two conductive strips of which a first extremity, supply side, is interconnected by a via passing through a window realized in the second conductive layer and a second extremity connected to the second conductive layer, both conductive strips on the side of the second extremity being, either in open circuit, or in short circuit, the electrical length of the first, second and third slot-lines being a function of the wavelength at the operating frequency of the antenna.

Compact slot antenna

An antenna assembly for an electronic device, the antenna assembly comprising a conductive structure for housing at least a circuit board of the electronic device, an antenna formed as a slot in the conductive structure, a feeding element for feeding the antenna by electromagnetic coupling, the feeding element being positioned between the conductive structure and the circuit board and orientated to extend across said slot, the feeding element being connected to a feed line on the circuit board.

Antenna assembly for electronic device

The present invention relates to multi-band antenna. This antenna comprises a substrate and at least one conductive layer provided with a plurality of antennas, such as PIFAs, resonating in specific frequency bands. The antennas are cascaded in order to achieve a compact antenna. The first antenna comprises a first radiating element, a first feed element connected to said first radiating element and a first ground return element and the second antennas comprises a second radiating element, a second feed element connected to said second radiating element and a second ground return element. The ground plane is printed in the same layer as the first or second antenna.

Multi-band antenna

The present invention relates to a method for realizing a short-circuited slot-line on a multilayer substrate comprising at least a first conductive layer, a dielectric layer and a second conductive layer, the method comprising the following steps: The method is used notably to realize isolating slot-lines and slot-antennae.

Method for creating a slot-line on a multilayer substrate and multilayer printed circuit comprising at least one slot-line realized according to said method and used as an isolating slot or antenna

The invention relates to an RF reception front end block comprising a first substrate and an RF integrated front end module integrated onto a second substrate supporting a radiating part of the antenna. The antenna is in addition formed by:

Frontal block with intergrated antenna

The present invention relates to a circuit comprising on a same board at least one antenna, a processing circuit and a cover covering the processing circuit. Said circuit comprises between the antenna and the cover at least one isolation element realized partly on the board and partly on the cover.

Isolation of antennas mounted on a printed circuit board

This invention relates to a microstrip to slotline transition circuit operating on two frequency bands, in which a first filtering circuit is connected between a first portion of microstrip line and a first input/output port, said first circuit and the portion of microstrip line being adapted to accept the frequencies from a first frequency band and reject the frequencies of a second frequency band, a second filtering circuit is connected between a second portion of microstrip line and a second input/output port, said second circuit and the portion of microstrip line being adapted to accept the frequencies from the second frequency band and reject the frequencies from the first frequency band, and the slotline is sized to provide an impedance that is substantially equal to the impedance of an open circuit at the coupling zone between the microstrip line and the slotline.

Dual-band microstrip-to-slotline transition circuit

A multibeam antenna system having a substrate forming a ground plane and a lens positioned on the substrate. At least one radiating element is positioned around the lens and configured to transmit and/or receive electromagnetic wave. A switching means enables one of the at least one radiating element to be selected. The lens is constituted by a cylindrical ring whose axis is perpendicular to the substrate.

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Saint Medard sur Ille, France

Philippe Minard