Antenna array for an RFID reader compatible with transponders operating at different carrier frequencies

Antenna array for an RFID reader compatible with transponders operating at different carrier frequencies

An antenna array is provided for an RFID reader (14), which includes a first reader antenna (34) tuned to operate at a first frequency and a second reader antenna (38) tuned to operate at a second frequency different from the first frequency. The first and second antennas are preferably arranged in...

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1. Verfasser: RALPH W. QUAN
Format: Patent
Sprache:eng
Schlagworte:
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
CALCULATING
COMPUTING
COUNTING
ELECTRICITY
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
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creator RALPH W. QUAN
description An antenna array is provided for an RFID reader (14), which includes a first reader antenna (34) tuned to operate at a first frequency and a second reader antenna (38) tuned to operate at a second frequency different from the first frequency. The first and second antennas are preferably arranged in an overlapping arrangement or an opposing magnetic flux arrangement to reduce the effect of antenna self resonance.
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subjects ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
CALCULATING
COMPUTING
COUNTING
ELECTRICITY
HANDLING RECORD CARRIERS
PHYSICS
PRESENTATION OF DATA
RECOGNITION OF DATA
RECORD CARRIERS
title Antenna array for an RFID reader compatible with transponders operating at different carrier frequencies
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