Communications: radio wave antennas – Antennas – Balanced doublet - centerfed
Patent
1997-02-26
1999-11-30
Wong, Don
Communications: radio wave antennas
Antennas
Balanced doublet - centerfed
343728, 3437925, 343891, H01Q 928
Patent
active
059950609
ABSTRACT:
An improvement is disclosed to an antenna structure that is a pair of coplanar triangular loops with a corner of each triangle at the center and the triangle sides opposite those corners placed parallel to each other to form the outer sides of the structure. The improvement is extra conductors placed between the central point and the center of the outer parallel sides. This improvement not only strengthens the structure, which may be important in the high-frequency spectrum, but it also is convenient for turnstile and log-periodic arrays of such structures.
REFERENCES:
patent: 2210491 (1940-08-01), Lewis
patent: 3210767 (1965-10-01), Isbell
patent: 3932874 (1976-01-01), Woodward
patent: 4093952 (1978-06-01), Taylor
patent: 4593289 (1986-06-01), Newcomb
patent: 4996535 (1991-02-01), Profera, Jr.
patent: 5790082 (1998-08-01), Podger
Hawker, J. Patrick, "Technical Topics, Double-Delta Aerials for VHF and UHF," Radio Communications, Jun. 1969, p. 396.
Tsukiji, Takehiko and Shigefumi Tou, "High-Gain and Broad-Band Yagi-Uda Array Composed of Twin-Delta Loops, " Antennas and Propagation, Part I: Antennas, I.E.E.E. Conference Publication No. 195, 1981, pp. 438-441.
Tsukiju, Takehiko et al, "Twin Delta Loop Antenna and Its Application to Antenna with Plane Reflector," Electronics and Communications in Japan, part 1, vol. 68, No. 11, 1985, pp. 96-104.
Tsukiju, Takehiko and Yasunori Kumon, "The Crossed Twin-Delta-Loop-Antennas with Different Peripheral Lengths," Proceedings of The 1985 International Symposium on Antennas and Propagation, Japan, pp. 481-484.
Kraus, John D., "A Small But Effective `Flat Top` Beam," Radio, Mar. 1937, pp. 56-58.
Podger, J. S., Analysis Results, Regular Double Delta.
Podger, J. S., Analysis Results, Strenghthened Double Delta.
Nguyen Hoang
Wong Don
LandOfFree
Strengthened double-delta antenna structure does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Strengthened double-delta antenna structure, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Strengthened double-delta antenna structure will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1678670