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US4030101A Expired / Lapsed US ⏱️ 0.0 years remaining

Regular eight face polyhedral antenna element

Assignee: Individual
•
Filing: 1976-03-15
•
Granted: 1977-06-14
•
Expires: 1996-03-15
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Abstract

Abstract The antenna element, which is for use in television reception and the like, is manufactured from a single length of metallic bar or tubing which is bent to form the longitudinal edges of a regular eight face polyhedron, with the two ends of the length of metallic bar or tubing being bent outwardly parallel to each other at the bottom of the antenna element to constitute terminals. The antenna element has directional characteristics in four directions, in contrast to conventional antennas, such as dipole antennas or loop antennas, which have directional properties in only two directions, and can be miniaturized by utilizing known printed circuit manufacturing techniques. The antenna element has its best capacity when the length of each edge of the polyhedron is equal to one half the wavelength of an electromagnetic wave of a predetermined frequency. In order to avoid the antenna element having too great a length, and thus being disadvantageous from the standpoint of wind pressure or mounting, several antenna elements may be connected in series with each antenna element having the longitudinal edge of the polyhedron being equal to one half the selected wavelength divided by the number of antenna elements connected in series.

Inventors

  • 👤 Kazuhisa Satoh

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 19:35
CPC Classifications
H; H01; H01Q; H01Q21/00; H01Q21/06; H01Q1/00; H01Q1/42; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/28

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 91 words
An antenna element comprising a single continuous length of electrically conductive metal bent into rectilinear sections to form longitudinal edge lines defining the faces of a regular eight-face polyhedron-shaped antenna element, with the two ends of the continuous length of electrically conductive metal being bent outwardly at the bottom of said polyhedron to form electrical terminals of the antenna element; the length of each rectilinear section, with respect to a preselected frequency of transmission and reception, being equal to one half the wave length of the radiation at such preselected frequency.
Claim 2
Dependent Claim 91 words
An antenna element comprising a single continuous length of electrically conductive metal bent into rectilinear sections to form longitudinal edge lines defining the faces of a regular eight-face polyhedron-shaped antenna element, with the two ends of the continuous length of electrically conductive metal being bent outwardly at the bottom of said polyhedron to form electrical terminals of the antenna element; the length of each rectilinear section, with respect to a preselected frequency of transmission and reception, being equal to one half the wave length of the radiation at such preselected frequency.
Claim 3
Dependent Claim 62 words
An antenna comprising a plurality of antenna elements, as claimed in claim 1, connected in series with each other, with the length of each rectilinear section of each antenna element being equal to one half the wave length of the radiation at a preselected frequency of transmission and reception, divided by the number of antenna elements connected in series with each other.
Claim 4
Dependent Claim 26 words
An antenna element, as claimed in claim 2, in which said plurality of antenna elements are mounted on a base plate of dielectric electrically non-conductive material.
Claim 5
Dependent Claim 32 words
An antenna assembly comprising a plurality of antennas, as claimed in claim 3, superposed on each other in a frame with all the antenna elements being connected in series with each other.
Claim 6
Dependent Claim 21 words
An antenna element, as claimed in claim 1, including a sealed casting of non-electrically conductive dielectric material enclosing said antenna element.
Claim 7
Dependent Claim 17 words
An antenna, as claimed in claim 4, enclosed in a sealed casing of non-electrically conductive dielectric material.
Claim 8
Dependent Claim 18 words
An antenna assembly, as claimed in claim 4, enclosed in a sealed casing of non-electrically conductive dielectric material.

References Cited (Backward Citations)

US2472106A Cited
US3005982A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-06-13 1980-12-13 1981-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-06-13 1984-12-13 1985-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-06-13 1988-12-13 1989-06-14 $7700.00 Window Closed / Lapsed

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