Bizarre Patents
Cloaking System Using Optoelectronically Controlled Camouflage
A Cloaking System designed to operate in the visible light spectrum, utilizes optoelectronics and/or photonic components to conceal an object within it.
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| Number | Title | Issue Date |
| 7365696 | Multitransmitter RF rotary joint free weather radar system A multitransmitter RF rotary joint free weather radar system is used to transmit two transmitted waves toward an object and to receive two reflected waves from the object. The system incorporates an antenna pedestal having a platform support and a platform. The plat... | 04/29/2008 |
| 6999042 | Low visual impact monopole tower for wireless communications An antenna system incorporating at least two antennas circumferentially arranged with a side-by-side relationship about a monopole tower. The main beam direction of the radiation pattern emanating from each antenna may be remotely adjusted in elevation and/or azimut... | 02/14/2006 |
| 6989797 | Adaptive antenna for use in wireless communication systems An antenna apparatus, which can increase capacity in a cellular communication system or Wireless Local Area Network (WLAN), such as an 802.11 network, operates in conjunction with a mobile subscriber unit or client station. At least one antenna element is active and... | 01/24/2006 |
| 6980170 | Co-located antenna design A method and apparatus are provided for transceiving signals. The method includes the steps of providing a secondary reflector within a focal region of a main reflector in a relative spatial relationship where a first radio frequency signal processed by a first radi... | 12/27/2005 |
| 6943750 | Self-pointing antenna scanning A self-pointing antenna has a reflector, a feed or a sub-reflector and a plurality of support struts coupled between the reflector and the boom arm and supporting the feed or sub-reflector. At least one actuator is operatively coupled with the support struts for adj... | 09/13/2005 |
| 6919855 | Tuned perturbation cone feed for reflector antenna A sub-reflector for a dish reflector antenna with a waveguide supported sub-reflector. The sub-reflector formed from a dielectric block, concentric about a longitudinal axis. The dielectric block having a first diameter waveguide junction portion adapted for couplin... | 07/19/2005 |
| 6917347 | Painted broadcast-frequency reflective component A component that is reflective for broadcast-frequency energy includes a nonmetallic substrate having a substrate surface, and a layered coating overlying and contacting the substrate. The layered coating has an electrically conductive layer overlying and contacting... | 07/12/2005 |
| 6466179 | Alignment jig assembly An alignment jig 220 aids in the positioning of a horn assembly 180. The alignment jig 220 includes an upper jig arm 222, a right side jig arm 224, a left side jig arm 226, and a reference ring 240. The jig arms are positioned at the top, right side, and ... | 10/15/2002 |
| 6466175 | Adjustable horn mount assembly A horn mount assembly 160 attaches a horn assembly 180 to a main feed leg 122 and provides adjustment on the Y-Z tilt axis and along the z-axis axis. The horn mount assembly includes a wave guide mount circular clamp 162, a flexible wave guide mount 163, ... | 10/15/2002 |
| 6456253 | Reflector antenna and method of producing a sub-reflector A reflector antenna is disclosed with a main reflector and a rotatable sub-reflector that significantly reduces vibrations in the sub-reflector. The sub-reflector includes a reflecting surface located in front of the main reflector between the main reflec... | 09/24/2002 |
| 6441798 | Feed leg assembly A feed legs assembly 120 connects a horn 180 and mount assembly 160 to a back frame 60 in an antenna assembly. The feed legs assembly 120 includes a main feed leg 122, a right side feed leg 140, and a left side feed leg 142. The main feed leg includes an ... | 08/27/2002 |
| 6335703 | Patch antenna with finite ground plane A patch antenna is described with enhanced beamwidth characteristics. In a first embodiment, the antenna comprises a patch element and a ground plane separated from the patch element by a first dielectric layer. The antenna further includes a signal feed ... | 01/01/2002 |
| 6331839 | Satellite antenna enhancer and method and system for using an existing satellite dish for aiming replacement dish An easily installable signal enhancement addition for a satellite dish, and method for using an installed dish as a reference that allows installation of the enhancement without re-acquiring the satellite signal or re-aiming the dish. In one variation, th... | 12/18/2001 |
| 6310585 | Isolation improvement mechanism for dual polarization scanning antennas An antenna arrangement is provide with a variable parasitic element whose position is varied as a function of the scan angle. According to an exemplary embodiment of the invention, a variable scanning array dual polarized antenna provides different scan a... | 10/30/2001 |
| 6246378 | Beam waveguide antenna with independently steerable antenna beams and method of compensating for planetary aberration in antenna beam tracking of spacecraft An antenna assembly for forming and directing a transmit beam, and for controlling receive and transmit beam tracking of a spacecraft in the presence of planetary aberration. The assembly includes a main reflector, a sub-reflector centered along an optica... | 06/12/2001 |
| 6243047 | Single mirror dual axis beam waveguide antenna system A dual axis beam waveguide antenna system includes a radiator generating a beam, a mirror which directs the beam to a subreflector, which receives the beam, and a main reflector illuminated by the subreflector, which generates a collimated output. The bea... | 06/05/2001 |
| 6225961 | Beam waveguide antenna with independently steerable antenna beams and method of compensating for planetary aberration in antenna beam tracking of spacecraft An antenna assembly for forming and directing a transmit beam, and for controlling receive and transmit beam tracking of a spacecraft in the presence of planetary aberration. The assembly includes a main reflector, a sub-reflector centered along an optica... | 05/01/2001 |
| 6198452 | Antenna configuration A positioner (or gimbal assembly) for a compact antenna assembly is disclosed. The positioner provides accurate pointing of the antenna assembly (typically a narrow beam radio frequency (RF) radiating assembly) mounted on a rapidly moving platform. The po... | 03/06/2001 |
| 6031502 | On-orbit reconfigurability of a shaped reflector with feed/reflector defocusing and reflector gimballing A system and method for changing the radiation pattern of an antenna assembly of a satellite in orbit is provided. The antenna assembly includes a reflector antenna fed by a feed assembly. The reflector antenna transmits and receives signals within a radi... | 02/29/2000 |
| 5977923 | Reconfigurable, zoomable, turnable, elliptical-beam antenna A double-reflector microwave antenna of the Gregorian optics family and capable of providing an elliptical beam with a major axis that may be oriented in any desired direction of space by rotation of the sub-reflector about an axis. By adding an additiona... | 11/02/1999 |
| 5929820 | Scanning cup-dipole antenna with fixed dipole and tilting cup Antenna apparatus having a fixed dipole and a rotating cup. The cup is formed from a cylindrical conductor shorted at its base to a conducting plate. The fixed dipole is recessed within the cup and has a coaxial transmission line feed that penetrates thro... | 07/27/1999 |
| 5874925 | Parabolic antenna capable of adjusting the elevation angle of a feed horn A parabolic antenna provided with a reflector and an arm comprises a housing fixed to a free end of the arm, a case enclosing a low noise blockdown converter ("LNB"), a feed horn protruding from a front side of the LNB case and a driving and a driven gear... | 02/23/1999 |
| 5796370 | Orientable antenna with conservation of polarization axes An antenna is orientable, directional and capable of use as a transmit and/or receive antenna. It includes at least one reflector, at least one source of electromagnetic radiation including means for exciting the source with two orthogonal linear polariza... | 08/18/1998 |
| 5714960 | Parabolic antenna A parabolic antenna includes a reflector, a feed horn positioned at a focal point of the reflector, a frame fixed on a rear side of the reflector at one end, an arm on one end of which the feed horn is fixed, a pair of hinges, a boss and a shaft. The hing... | 02/03/1998 |
| 5696519 | Polarization angle adjustment apparatus for transmitter and receiver equipment In a polarization angle adjusting mechanism for an antenna apparatus constructed of a supporting base and a transmitter/receiver apparatus equipped with a primary antenna at a right end portion thereof formed in an integral form, the primary antenna being... | 12/09/1997 |
| 5539419 | Antenna system for mobile communication An antenna for mobile communication includes a sleeve antenna having a feed point; at least one linear parasitic element insulated electrically form the sleeve antenna; and a supporting means for supporting the sleeve antenna and the linear parasitic elem... | 07/23/1996 |
| 5526008 | Antenna mirror scannor with constant polarization characteristics An antenna mirror scanner for generating and directing an antenna scanner beam displaying constant polarization vectors. The antenna mirror scanner includes a non-rotating fixed-aperture antenna for transmitting and receiving an electromagnetic plane wave... | 06/11/1996 |
| 5485168 | Multiband satellite communication antenna system with retractable subreflector A multiband satellite communication antenna system includes a primary reflector and one or more movable subreflectors. A system with one subreflector operates at a first band when the subreflector is in a deployed position and reflects energy between a fi... | 01/16/1996 |
| 5469181 | Variable horizontal beamwidth antenna having hingeable side reflectors The invention provides a broadband directional antenna having a central reflector plate, a dipole and at least one side reflector panel. The dipole is arranged on the central reflector plate for radiating a radio frequency signal, including a binary feed ... | 11/21/1995 |
| 5459475 | Wide scanning spherical antenna A novel method for calculating the surface shapes for subreflectors in a suboptic assembly of a tri-reflector spherical antenna system is introduced, modeled from a generalization of Galindo-Israel's method of solving partial differential equations to cor... | 10/17/1995 |
| 5374939 | Radiation gathering and focusing apparatus An apparatus for gathering and focusing or for transmitting radiation including a reflecting surface formed by portion of a right circular cone, a linear collector/transmitter located within the cone and connected to a vertex of the cone. An adjustable su... | 12/20/1994 |
| 5198827 | Dual reflector scanning antenna system A fixed feed dual reflector scanning antenna system 10 having a low moment of inertia is disclosed herein. The inventive dual reflector antenna system 10 includes an antenna feed structure 16 for emitting electromagnetic radiation. The antenna system 10 f... | 03/30/1993 |
| 5021798 | Antenna with positionable reflector A horn type microwave antenna includes a main reflector and sub-reflector that are supported in proper spaced relationship by flexidigit robotic manipulators, multisection arms that are capable of positional changes, whereby the supports may be changed in... | 06/04/1991 |
| 4939526 | Antenna system having azimuth rotating directive beam with selectable polarization A rotating reflector is used to provide a beam scan throughout a predetermined angle such as 360°. A circular polarizer is coupled with the reflector and converts received linearly polarized energy into circularly polarized energy. A fixed feed is config... | 07/03/1990 |
| 4862185 | Variable wide angle conical scanning antenna Disclosed is a variable angle conical scanning antenna that employs an offset paraboloidal reflector which is rotated about an axis that extends through the focus of the paraboloid of revolution that defines the reflector. Electromagnetic energy is suppli... | 08/29/1989 |
| 4804971 | Guy system for parabolic reflecting antenna A guy system is disclosed for a parabolic reflecting antenna having a reflecting surface and a signal receiver or feedhorn mounted at its focal point. A plurality of stays or guy wires is secured to the feedhorn, each of such guy wires extending through t... | 02/14/1989 |
| 4799064 | Gyratory parabolic antenna driving device A gyratory device for mounting a parabolic antenna on a base or frame in which the gyratory part includes a tubular stationary part receiving a motor and drive connections within the tubular part, a sleeve surrounding the tubular part. Adjustable arms are... | 01/17/1989 |
| 4725847 | Reflector antenna having sidelobe nulling assembly with metallic gratings A reflector antenna having an adaptive nulling assembly. The assembly comprises a disk shaped mounting plate having a shaft aligned with the rotational axis thereof and passing through the main reflector focusing surface. An absorber of electromagnetic en... | 02/16/1988 |
| 4482898 | Antenna feed arrangement for correcting for astigmatism The present invention relates to an antenna feed arrangement for correcting for astigmatism caused by an offset main reflector. The feed arrangement comprises at least one feed element, a first and a second cylindrical reflector disposed along the feed ax... | 11/13/1984 |
| 4349826 | Simple horizontally polarized omnidirectional antenna An antenna is disclosed which provides a horizontally polarized omnidirectional radiation pattern. The antenna includes a coax to waveguide transition, one waveguide section, and two radiating elements. A probe is located symmetrically within the waveguid... | 09/14/1982 |
