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1. US20180241433 - Antenna device for short-range applications and use of an antenna device of this type

Amt
Vereinigte Staaten von Amerika
Aktenzeichen/Anmeldenummer 15516533
Anmeldedatum 19.10.2015
Veröffentlichungsnummer 20180241433
Veröffentlichungsdatum 23.08.2018
Erteilungsnummer 10530424
Erteilungsdatum 07.01.2020
Veröffentlichungsart B2
IPC
H01Q 9/16
HSektion H Elektrotechnik
01Grundlegende elektrische Bauteile
QAntennen, z.B. Funkantennen
9Elektrisch kurze Antennen, deren Abmessungen nicht größer sind als zweimal die Betriebswellenlänge und die aus leitenden aktiven Strahlungselementen bestehen
04Resonanzfähige Antennen
16mit Speisung zwischen den äußeren Enden der Antenne, z.B. mittengespeister Dipol
H04B 5/00
HSektion H Elektrotechnik
04Elektrische Nachrichtentechnik
BÜbertragung
5Nahfeldübertragungssysteme, z.B. mit Induktionsschleife
H01Q 11/16
HSektion H Elektrotechnik
01Grundlegende elektrische Bauteile
QAntennen, z.B. Funkantennen
11Elektrisch lange Antennen, deren Abmessungen größer als zweimal die kürzeste Betriebswellenlänge sind, und die aus leitenden aktiven Strahlungselementen bestehen
12Resonanzantennen
14mit gebogenen, gefalteten, geformten oder abgeschirmten Teilen bzw. mit phasenschiebenden Impedanzen, um von ausgewählten Abschnitten der Antenne eine gewünschte Phasenbeziehung der Strahlung oder gewünschte Polarisationswirkungen zu erhalten
16bei denen die ausgewählten Abschnitte auf einer Achse liegen
CPC
H01Q 9/16
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
16with feed intermediate between the extremities of the antenna, e.g. centre-fed dipole
H04B 5/0025
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
5Near-field transmission systems, e.g. inductive loop type
0025Near field system adaptations
H01Q 11/16
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
QANTENNAS, i.e. RADIO AERIALS
11Electrically-long antennas having dimensions more than twice the shortest operating wavelength and consisting of conductive active radiating elements
12Resonant antennas
14with parts bent, folded, shaped or screened or with phasing impedances, to obtain desired phase relation of radiation from selected sections of the antenna or to obtain desired polarisation effect
16in which the selected sections are collinear
H04B 5/0062
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
5Near-field transmission systems, e.g. inductive loop type
0056for use in interrogation, identification or read/write systems
0062in RFID [Radio Frequency Identification] Systems
H04B 5/0012
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
5Near-field transmission systems, e.g. inductive loop type
0012using capacitive coupling
H04B 5/0037
HELECTRICITY
04ELECTRIC COMMUNICATION TECHNIQUE
BTRANSMISSION
5Near-field transmission systems, e.g. inductive loop type
0025Near field system adaptations
0037for power transfer
Anmelder Dieter Kilian
Erfinder Dieter Kilian
Vertreter Pearne & Gordon LLP
Prioritätsdaten 102014015708 23.10.2014 DE
Titel
(EN) Antenna device for short-range applications and use of an antenna device of this type
Zusammenfassung
(EN)

The invention relates to an antenna device (10) for short-range applications, e.g., RFID, comprising: a bipolar coaxial conductor structure (12) with an internal conductor (14) and an external conductor (16); an antenna signal terminal (22, 24) at a first end of the coaxial conductor structure (12) which is formed by a terminal contact (22) on the internal conductor (14) and a terminal contact (24) on the external conductor (16) to feed in an antenna transmitted signal and feed out an antenna received signal; a terminating impedance (Zterm) at a second end of the coaxial conductor structure (12), which is formed by a dipole (Z) connected to the internal conductor (14) at a terminal contact (28) and to the external conductor (16) at a terminal contact (30), wherein the dipole (Z) comprises at least one capacitor (C) and/or at least one inductance (L), such that when transmitting, a HF alternating current propagating through the internal conductor (14) and reaching the second end of the coaxial conductor structure (12) is coupled with the outside of the external conductor (16) at the second end of the coaxial conductor structure (12). The device (10) according to the invention advantageously has a relatively simple construction, with which a relatively wideband electomagnetic transmission (transmitting and/or receiving) of energy and/or information can be carried out advantageously.