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1. WO2019069024 - LOW-PROFILE, IMPEDANCE-ROBUST RADIO ANTENNA

Publication Number WO/2019/069024
Publication Date 11.04.2019
International Application No. PCT/FR2018/052442
International Filing Date 04.10.2018
IPC
H01Q 1/27 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
27Adaptation for use in or on movable bodies
A61J 3/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
JCONTAINERS SPECIALLY ADAPTED FOR MEDICAL OR PHARMACEUTICAL PURPOSES; DEVICES OR METHODS SPECIALLY ADAPTED FOR BRINGING PHARMACEUTICAL PRODUCTS INTO PARTICULAR PHYSICAL OR ADMINISTERING FORMS; DEVICES FOR ADMINISTERING FOOD OR MEDICINES ORALLY; BABY COMFORTERS; DEVICES FOR RECEIVING SPITTLE
3Devices or methods specially adapted for bringing pharmaceutical products into particular physical or administering forms
H01Q 1/38 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
36Structural form of radiating elements, e.g. cone, spiral, umbrella
38formed by a conductive layer on an insulating support
H01Q 9/04 2006.01
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
9Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
04Resonant antennas
CPC
A61B 5/073
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
07Endoradiosondes
073Intestinal transmitters
A61B 5/076
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
BDIAGNOSIS; SURGERY; IDENTIFICATION
5Measuring for diagnostic purposes
07Endoradiosondes
076Permanent implantations
G08C 17/02
GPHYSICS
08SIGNALLING
CTRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
17Arrangements for transmitting signals characterised by the use of a wireless electrical link
02using a radio link
H01Q 1/273
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
27Adaptation for use in or on movable bodies
273Adaptation for carrying or wearing by persons or animals
H01Q 1/38
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
36Structural form of radiating elements, e.g. cone, spiral, umbrella; ; Particular materials used therewith
38formed by a conductive layer on an insulating support
H01Q 1/48
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
1Details of, or arrangements associated with, antennas
48Earthing means; Earth screens; Counterpoises
Applicants
  • BODYCAP [FR]/[FR]
  • CENTRE NATIONAL DE LA RECHERCHE SCIENTIFIQUE (CNRS) [FR]/[FR]
  • UNIVERSITE DE RENNES 1 [FR]/[FR]
Inventors
  • NIKOLAYEV, Denys
  • ZHADOBOV, Maxim
  • SAULEAU, Ronan
Agents
  • FIDAL INNOVATION
Priority Data
175926704.10.2017FR
Publication Language French (FR)
Filing Language French (FR)
Designated States
Title
(EN) LOW-PROFILE, IMPEDANCE-ROBUST RADIO ANTENNA
(FR) ANTENNE RADIOELECTRIQUE ROBUSTE EN IMPEDANCE ET A BAS PROFIL
Abstract
(EN)
The radio antenna comprises a substrate formed of a dielectric material; a ground plane made of an electrically conductive material, the ground plane being arranged on a first face (F2) of the substrate; a resonator configured to convert an incident electrical signal into an electromagnetic wave. The resonator includes a first element (El) having a first characteristic impedance and a second element (E2) having a second characteristic impedance that is higher than the first characteristic impedance. The first element (El) is configured to receive the incident electrical signal, the first element (El) is formed by a strip of electrically conductive material, the strip being arranged on a second face (Fl) of the substrate opposite the first face (F2). The second element (E2) is formed by a rectilinear segment, cut in the ground plane and separated from the rest of the ground plane by a slot (202) of fixed width. The second element (E2) is electrically connected to the ground plane at a first end of the segment and electrically connected to the first element at a second end of the segment by means of a via (210) passing through the substrate.
(FR)
L'antenne radioélectrique comprend un substrat formé en un matériau diélectrique; un plan de masse en matériau électriquement conducteur, le plan de masse étant agencé sur une première face (F2) du substrat; un résonateur configuré pour convertir un signal électrique incident en une onde électromagnétique. Le résonateur comprend un premier élément (El) ayant une première impédance caractéristique et un deuxième élément (E2) ayant une deuxième impédance caractéristique supérieure à la première impédance caractéristique. Le premier élément (El) est configuré pour recevoir le signal électrique incident, le premier élément (El) est formé par une bande en matériau électriquement conducteur, la bande étant agencée sur une deuxième face (Fl) du substrat opposée à la première face (F2). Le deuxième élément (E2) est formé par un segment rectiligne, découpé dans le plan de masse et séparé du reste du plan de masse par une fente (202) de largeur fixe. Le deuxième élément (E2) est relié électriquement au plan de masse au niveau d'une première extrémité du segment et relié électriquement au premier élément au niveau d'une deuxième extrémité du segment au moyen d'un via (210) traversant le substrat.
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