Communications: radio wave antennas – Antennas – Slot type
Reexamination Certificate
2007-06-05
2007-06-05
Ho, Tan (Department: 2821)
Communications: radio wave antennas
Antennas
Slot type
C343S7000MS
Reexamination Certificate
active
09391267
ABSTRACT:
A dual-frequency antenna (100) includes a ground plane (105) that is substantially planar and a radiator (110) that is substantially planar and formed of a conductive material. A slot (115) having first and second ends is formed in the radiator (110), and first and second apertures (120, 125) are formed at the first and second ends, respectively, of the slot (115). The radiator (110) also includes transmission connections (140) for coupling to external transmission circuitry and receiving connections (130) for coupling to external reception circuitry. The transmission connections (140) and the receiving connections (130) are located along the slot and separated by a distance of approximately one-quarter wavelength. Preferably, the height of the antenna (100), i.e., the distance between the radiator (110) and the ground plane (105) is equal to or less than about 1.9 centimeters for low-profile mounting on truck-drawn trailers.
REFERENCES:
patent: 3172112 (1965-03-01), Seeley
patent: 3550141 (1970-12-01), Harris et al.
patent: 4370658 (1983-01-01), Hill
patent: 5003318 (1991-03-01), Berneking et al.
patent: 5486836 (1996-01-01), Kuffner et al.
patent: 5572222 (1996-11-01), Mailandt et al.
patent: 5581266 (1996-12-01), Peng et al.
patent: 5640139 (1997-06-01), Egeberg
patent: 5652595 (1997-07-01), Ahrens et al.
patent: 6069589 (2000-05-01), Lewis, Jr. et al.
LandOfFree
Low profile dual frequency magnetic radiator for little low... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Low profile dual frequency magnetic radiator for little low..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Low profile dual frequency magnetic radiator for little low... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3831326