Communications: radio wave antennas – Antennas – With coupling network or impedance in the leadin
Patent
1998-12-30
1999-11-16
Wong, Don
Communications: radio wave antennas
Antennas
With coupling network or impedance in the leadin
343895, 343850, 343858, 333116, 333117, 333219, 333128, H01Q 2100, H01Q 136, H01P 512
Patent
active
059866160
ABSTRACT:
An antenna system for a radio communication device, in particular a hand-portable telephone, having communication circuits and to be operating by circularly-polarized radio waves. In the system (1) there is provided a radiation means, preferably helical elements (2, 3, 4), a feeding network (8) having first coupling means (9) adapted for coupling to said communication circuits and second coupling means coupled to said helical elements (2, 3, 4). The interface means includes a closed resonator means (14), which has at least a first portion associated with said first coupling means (9), and having separated at least second (11), third (12) and fourth (13) portions forming said second coupling means (11, 12, 13).
REFERENCES:
patent: 5191352 (1993-03-01), Branson
patent: 5255005 (1993-10-01), Terret et al.
patent: 5349384 (1994-09-01), Bryanos et al.
patent: 5541617 (1996-07-01), Connolly et al.
patent: 5705962 (1998-01-01), Fleeger et al.
patent: 5793338 (1998-08-01), Standke et al.
patent: 5828348 (1998-10-01), Tassoudji et al.
Allgon AB
Malos Jennifer H.
Wong Don
LandOfFree
Antenna system for circularly polarized radio waves including an does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Antenna system for circularly polarized radio waves including an, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Antenna system for circularly polarized radio waves including an will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1330140