ANTENNA FED FROM NEARBY COILS FOR PORTABLE RADIO COMMUNICATION DEVICE Russian patent published in 2002 - IPC

Abstract RU 2195055 C2

FIELD: antennas and coils for feeding multiband antennas. SUBSTANCE: several spiral coils 110, 120, 130 are placed nearby and coupled with straight conducting section 140 of antenna to constitute multiband antenna. Spiral coils 110, 120, 130 are spaced apart through sufficient distance to exclude noise that may occur in their interaction. Proposed design makes it possible to develop radio communication device with multiple resonance provision capable of operation in different frequency bands using single compact antenna. EFFECT: enlarged functional capabilities of antenna. 10 cl, 5 dwg

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RU 2 195 055 C2

Authors

Fillips Dzhejms Patrik

Degrut Robert Dzhozef

Dates

2002-12-20Published

1998-02-18Filed