End fed flat antenna
First Claim
1. An end fed dipole antenna for radiating electromagnetic waves of wavelength λ
- , said antenna comprising in combination;
(a) a first element having an effective radiating length substantially equal to λ
/4, said first element having a first end and an opposite second end;
(b) a second element having an effective radiating length substantially equal to λ
/4, said second element having a third end and an opposite fourth end, said first end, second end, third end and fourth end, respectively, being arranged on a common, substantially straight line with said second and third ends being adjacent to each other;
(c) a third element having an effective transmission length substantially equal to λ
/4, said third element having a fifth end and an opposite sixth end and being arranged adjacent to said first element with said fifth end adjacent to said first end of said first element and said sixth end both adjacent to and physically connected with said third end of said second element; and
(d) energy providing means coupled to said first end of said first element and said fifth end of said third element for providing electrical energy to, and/or receiving electrical energy from said antenna.
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Accused Products
Abstract
A planar dipole antenna is arranged on a non-conductive substrate having an exposed, planar surface. The antenna includes a first quarter wavelength element having a first end and an opposite second end and a second quarter wavelength element having a third end and an opposite fourth end. The first, second, third and fourth ends, respectively, are arranged on a common straight line with the second and third ends adjacent to each other. A third quarter wavelength element, having a fifth end and an opposite sixth end, is arranged adjacent to the first element with its fifth end adjacent to the first end of the first element and its sixth end both adjacent to and physically connected with the third end of the second element. A signal source or sink is coupled to the first end of the first element and the fifth end of the third element, respectively, for providing electrical energy to, and/or receiving electrical energy from the antenna.
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Citations
7 Claims
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1. An end fed dipole antenna for radiating electromagnetic waves of wavelength λ
- , said antenna comprising in combination;
(a) a first element having an effective radiating length substantially equal to λ
/4, said first element having a first end and an opposite second end;(b) a second element having an effective radiating length substantially equal to λ
/4, said second element having a third end and an opposite fourth end, said first end, second end, third end and fourth end, respectively, being arranged on a common, substantially straight line with said second and third ends being adjacent to each other;(c) a third element having an effective transmission length substantially equal to λ
/4, said third element having a fifth end and an opposite sixth end and being arranged adjacent to said first element with said fifth end adjacent to said first end of said first element and said sixth end both adjacent to and physically connected with said third end of said second element; and(d) energy providing means coupled to said first end of said first element and said fifth end of said third element for providing electrical energy to, and/or receiving electrical energy from said antenna. - View Dependent Claims (2, 3, 4, 5, 6, 7)
- , said antenna comprising in combination;
Specification