Bizarre Patents
Wearable Device For Feeding and Observing Birds and Other Flying Animals
A device for feeding and observing flying animals comprising a hat, a support mounted on the hat and extending outward from the hat, and a feeder mounted on the support.
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| Number | Title | Issue Date |
| 8115696 | Phased-array antenna panel for a super economical broadcast system A phased-array antenna panel for a super economical broadcast system is provided. The phased-array antenna panel system includes an antenna panel support member, a first pair of striplines and a second pair of striplines. The antenna panel support member includes a ... | 02/14/2012 |
| 7439927 | Dipole design A broadband dipole including two co-working conductors. The invention is characterized in, that a first of the conductors (11) is comprised of a rod (12) including a substantially centrally located axial hole (2), said hole (2) forming an... | 10/21/2008 |
| 7417597 | GPS antenna systems and methods with vertically-steerable null for interference suppression Ground based GPS antennas for differential applications may be subject to intentional or other interference signals incident at low elevation angles. Described GPS antenna systems are usable to provide an antenna pattern having a vertically-steerable null. An array ... | 08/26/2008 |
| 7170463 | Broadband omnidirectional array antenna system Broadband omnidirectional, vertically polarized communications antenna systems are disclosed. The antenna systems comprises a plurality of center-fed stacked dipole radiating elements disposed along a central axis, a coaxial feed line coupled between each of the sta... | 01/30/2007 |
| 6201510 | Self-contained progressive-phase GPS elements and antennas A self-contained four-dipole element provides a 360 degree phase-progressive-omnidirectional (PPO) circularly polarized antenna pattern. Via a single signal port, a PPO excitation network incorporated into the element excites the four dipoles at phases di... | 03/13/2001 |
| 6195063 | Dual-polarized antenna system A dual-polarized antenna system is provided for transmitting or receiving electromagnetic waves. The antenna system has at least one cruciform radiating element module that is aligned using dipoles or in the form of a patch radiating element, at angles of... | 02/27/2001 |
| 5534882 | GPS antenna systems Antenna systems particularly suited for reception of GPS satellite signals include a vertical stack of element arrays. Each array, which may comprise four dipoles positioned around a central axis, receives signals phased to produce a circularly polarized ... | 07/09/1996 |
| 5418545 | Variable length slot fed dipole antenna A slot fed antenna is disclosed for use in radiating energy. The antenna includes a flat conductive member having an elongated vertically-oriented slot dividing the member into a pair of horizontally-extending variable-length flat dipole wing elements. Ea... | 05/23/1995 |
| 4686536 | Crossed-drooping dipole antenna A first planar printed circuit board and a second planar printed circuit board are assembled to intersect each other at right angles to each other. Each board includes a microstrip realization of a drooping dipole antenna. The realization comprises, for e... | 08/11/1987 |
| 4641145 | Microwave antenna having an array of radiating elements for circularly polarized signals A flat microwave antenna comprising a network of emitting or receiving elements constructed by means of the printed circuit technique on a dielectric support. The elements are arranged on a series of radii (A to H) and are relatively equidistant on each o... | 02/03/1987 |
| 4348677 | Common aperture dual mode seeker antenna The disclosed common aperture seeker antenna includes a parabolic array of crossed dipoles. This array is substantially reflective for radiated electrical signals in one band, and substantially transmissive for radiated electrical signals outside of that ... | 09/07/1982 |
| 4317122 | Duopyramid circularly polarized broadcast antenna A circularly polarized broadcast antenna includes a vertical mast and a plurality of bays spaced along the mast. Each bay includes at least one crossed dipole fed in quadrature mounted adjacent the mast. Each bay also includes a sleeve which may be λ/2 l... | 02/23/1982 |
| 4315264 | Circularly polarized antenna with circular arrays of slanted dipoles mounted around a conductive mast An antenna including a conductive support mast serving to support one or more bays of circular arrays of dipole assemblies around and spaced from the mast. Each dipole assembly consists of at least two dipoles connected in parallel. The lengths and angles... | 02/09/1982 |
| 4180820 | Circularly polarized antenna system using a combination of horizontal and bent vertical dipole radiators A circularly polarized antenna system adapted to provide a desired radiation pattern about a support mast using four horizontal radiating elements spaced at 90° intervals about the support mast and by four vertically polarized dipoles with each vertical ... | 12/25/1979 |
| 4083051 | Circularly-polarized antenna system using tilted dipoles An omnidirectional circularly-polarized antenna system includes a plurality of dipoles equally spaced in a horizontal circle about a metal support mast. The dipoles are tilted at an angle with respect to the plane of the horizontal circle to excite circul... | 04/04/1978 |
| 4081803 | Multioctave turnstile antenna for direction finding and polarization determination A multioctave, multifunction antenna system including three planar terraces each having four symetrically placed individual turnstile arrays. A first terrace includes turnstile arrays of a first relatively large size, the second terrace is axially spaced ... | 03/28/1978 |
| 3943522 | Circularly polarized antenna system using a combination of turnstile and vertical dipole radiators A circularly polarized antenna system adapted to provide an omnidirectional pattern over a fairly broad band of frequencies when mounted to a sizable tower is provided by four turnstile fed horizontally polarized radiating elements spaced at 90° interval... | 03/09/1976 |
