Did You Know...
...that several people are credited with the invention of the flush toilet? Most people have heard of Thomas Crapper (1837-1910), the sanitary engineer who invented the valve-and-siphon arrangement that made the modern toilet possible. Another claimant to "the throne" was British inventor Alexander Cumming who patented a toilet in 1775. Then there's a nameless Minoan (a native of ancient Crete) who lived 4,000 years ago who supposedly was ahead of his time and created the first flush toilet!
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| Number | Title | Issue Date |
| 8169379 | Portable multiband antenna A portable DGPS navigation apparatus is provided. The apparatus includes a receiver assembly and a DGPS antenna assembly. The receiver assembly includes a GNSS antenna, a GNSS receiver, and a DGPS modem. The DGPS antenna assembly includes a DGPS antenna; a top conne... | 05/01/2012 |
| 8035572 | H-type monopole isolation antenna Provided is an H-type monopole isolation antenna. The antenna provides an H-type monopole isolation antenna which can gain a high bi-directional transmitting/receiving isolation between a transmitting antenna and a receiving antenna of co-channel/co-polarization by ... | 10/11/2011 |
| 7417594 | Multiband antenna for vehicles Disclosed herein is a multiband antenna for vehicles. The multiband antenna includes a Printed Circuit Board (PCB), at least one radiation unit, and a feeding unit. The PCB is formed within a radome that protects the antenna. The at least one radiation unit is forme... | 08/26/2008 |
| 7317366 | VHF signal remitter A VHF signal remitter is usable with a satellite system having a coaxial cable connected between the satellite dish and the satellite signal receiver to feed the VHF signal detected by the outer shield of the cable to the antenna input terminal of the receiver. A fi... | 01/08/2008 |
| 7280045 | Machine-readable tag, selectable extension antennas for use therewith, and display structure having such tag An intelligent antenna system for extending the effective communication range of a machine-readable passive tag. The system includes intelligence that allows one of a plurality of extension antennas to be active at any given time in order to both facilitate communic... | 10/09/2007 |
| 7280848 | Active array antenna and system for beamforming An active antenna array for use in a beamforming antenna system. The antenna array includes multicarrier power amplifiers coupled to each antenna element wherein the outputs of the multicarrier power amplifiers are linearized. The antenna array communicates with a b... | 10/09/2007 |
| 7173575 | Reflector antenna support structure A support structure apparatus for a reflector antenna having a main reflector. The support structure includes a plurality of sub-brackets and a main bracket. The sub-brackets each having a plurality of main reflector connection points and a main bracket connection p... | 02/06/2007 |
| 7161554 | System and method for securing an antenna A bracket for securing an antenna to a ceiling grid system has a first opening to allow the bracket to be secured to a connector mechanically coupled to the ceiling grid system and a second opening to allow an electrical connection to pass therethrough. The second o... | 01/09/2007 |
| 7138959 | Method for improving isolation of an antenna mounted on a structure A method for improving the electric isolation of a wide coverage antenna mounted on a structure. The structure defines a peripheral wall and a first end wall and the elongated antenna has a base. The antenna pivotally mounts on the structure about a mounting axis pa... | 11/21/2006 |
| 7129908 | Lightweight active phased array antenna A lightweight active phased array antenna including modular active electronics assemblies and passive radiating element aperture panels that are integrated into a lightweight support structure of a minimum depth which provides a cooling system for the electronics as... | 10/31/2006 |
| 7091924 | MEMS transmission and circuit components An Rf device (100) that comprises unique MEMS RF transmission and circuit components (104–106) that are integrated together on a semiconductor chip (101) to form the RF device (100). These MEMS components (104–106) are monolithically ... | 08/15/2006 |
| 7086207 | Antenna sector frame An antenna sector frame that can collapse for easy transport and storage. The antenna frame can be packaged with all of its loose parts in a single container on a relatively flat single skid capable of being stacked in storage. The antenna frame can include a pair o... | 08/08/2006 |
| 7034749 | Antenna system for improving the performance of a short range wireless network An antenna system for providing network access services to wireless users generates at least a first and a second antenna beam, where the second antenna beam is movable with respect to the first. Additional antenna beams may also be generated. During installation of... | 04/25/2006 |
| 7009570 | Phased array antenna absorber and associated methods A phased array antenna includes a substrate, and an array of dipole antenna elements are on the substrate. Each dipole antenna element includes a medial feed portion, and a pair of legs extending outwardly therefrom. Each dipole antenna element further includes a pa... | 03/07/2006 |
| 6999044 | Reflector antenna system including a phased array antenna operable in multiple modes and related methods A reflector antenna system may include an arc-shaped antenna reflector defining a first antenna beam, and a phased array antenna positioned in the first antenna beam including first and second arrays of antenna elements coupled together in back-to-back relation. The... | 02/14/2006 |
| 6972622 | Optimization of error loops in distributed power amplifiers Several feed-forward RF power amplifiers configured for use in a distributed array, each having a main amplifier within a carrier null loop and an error amplifier within an error loop. Each carrier null loop includes a switch configured to selectively disable the ca... | 12/06/2005 |
| 6965355 | Reflector antenna system including a phased array antenna operable in multiple modes and related methods A reflector antenna system may include at least one antenna reflector having an arcuate shape and defining an antenna beam, a feed device spaced apart from the at least one antenna reflector, and a phased array antenna positioned in the antenna beam between the at l... | 11/15/2005 |
| 6958738 | Reflector antenna system including a phased array antenna having a feed-through zone and related methods A reflector antenna system may include at least one antenna reflector having an arcuate shape and defining an antenna beam, and a phased array antenna positioned in the antenna beam. More particularly, the phased array antenna may include a substrate and a plurality... | 10/25/2005 |
| 6943743 | Redirecting feedthrough lens antenna system and related methods A redirecting feedthrough lens antenna system may include first and second phased array antennas coupled together in back-to-back relation. More particularly, the first and second phased array antennas may include respective first and second arrays of dipole antenna... | 09/13/2005 |
| 6934511 | Integrated repeater An integrated repeater includes a housing having opposing sides, a donor antenna mounted on one of the opposing sides, a null antenna mounted on the other of the opposing sides, and repeater electronics mounted in the housing and operatively interconnecting the dono... | 08/23/2005 |
| 6911949 | Antenna stabilization system for two antennas A system for stabilizing two antennas on a mobile platform, the antennas including a first antenna associated with a first geo-stationary satellite and a second antenna associated with a second geo-stationary satellite, the system comprising an upper alignment syste... | 06/28/2005 |
| 6906681 | Multicarrier distributed active antenna A distributed active antenna includes a power module having a parallel combination of power amplifiers for driving each antenna element of the distributed active antenna. A predistortion linearization circuit may be coupled to each power module to linearize the outp... | 06/14/2005 |
| 6906673 | Methods for aligning an antenna with a satellite Methods for aligning a satellite reflector with an antenna. One method includes the use of an antenna-alignment device to orient the centerline of an antenna in a desired azimuth, elevation and skew orientation. Another method includes the use of an antenna alignmen... | 06/14/2005 |
| 6891503 | Bolometric detector with antenna comprising a switch and imagery device comprising same The bolometric detector comprises at least one receiver antenna designed to collect electromagnetic waves. The antenna is extended by a resistive load converting the power from the electromagnetic waves into calorific power. Said resistive load is in contact with a ... | 05/10/2005 |
| 6839039 | Antenna apparatus for transmitting and receiving radio waves to and from a satellite A high-performance and compact antenna apparatus is provided which is capable of obtaining a high antenna gain, less susceptible to wind and the like, and advantageously useful as mounted on vehicles or the like. The antenna apparatus includes: a transmitting antenn... | 01/04/2005 |
| 6809692 | Advanced multilevel antenna for motor vehicles The invention relates to an antenna for a motor vehicle, having the following parts and characteristics: a) a transparent window covered with a transparent, optically conductive plate on at least one side of any of the window material plates; b) a multilevel structu... | 10/26/2004 |
| 6789013 | Vehicle activity tracking A unitary vehicle tracking device having a GPS receiver, a radio transmitter, which preferably is a mobile phone modem integrated within a single waterproof housing suitable for mounting on the top exterior of the vehicle. The housing is transparent to radio signals... | 09/07/2004 |
| 6781553 | Antenna device and radio communication device comprising the same A small antenna, which is used in a mobile radio communication apparatus such as a portable telephone, operating in a broader frequency band a conventional antenna, operating corresponding to plural frequencies, and being disposed in a case is provided. The radio co... | 08/24/2004 |
| 6600420 | Application for a radio frequency identification system Antenna shelf tape is disclosed for use with items having radio frequency identification elements or tags associated with items of interest.... | 07/29/2003 |
| 6441800 | Single gimbal multiple aperture antenna An antenna system for a satellite including a gimbal device, such as a bi-axial gimbal, that employs a first uni-axial gimbal providing movement in one direction and a second uni-axial gimbal providing movement in a perpendicular direction. The first gimb... | 08/27/2002 |
| 6366790 | Multi-sectorized base transceiver station system A multi-sectorized base transceiver station system for increasing system capacity in a mobile communication system is provided by sectorizing base transceiver stations covering a particular coverage area within a cell. The multi-sectorized base transceive... | 04/02/2002 |
| 6339397 | Portable self-contained tracking unit and GPS tracking system A portable self-contained tracking unit includes an enclosure attached to a mounting plate, with a hollow interior cavity housing a GPS receiver, a microprocessor and a transmitter. The GPS receiver will receive tracking data and the microprocessor will p... | 01/15/2002 |
| 6335686 | Application for a radio frequency identification system Antenna shelf tape is disclosed for use with items having radio frequency identification elements or tags associated with items of interest.... | 01/01/2002 |
| 6311075 | Antenna and antenna operation method for a cellular radio communications system A conventional antenna 114 at a cell site of a sectored cell in a cellular radio communications system has a low angle of coverage in elevation and therefore has low gain for close-in subscriber units (near the cell site). In a sectored cell, a main beam ... | 10/30/2001 |
| 6292140 | Antenna for millimeter-wave imaging and bolometer employing the antenna The invention relates to a novel antenna which is useful in the manufacture of a bolometer integrated on a silicon chip. An opening in the silicon chip is spanned by two separate thermally, isolated structures. A thin-film antenna, comprising two parts, i... | 09/18/2001 |
| 6229497 | Antenna mounts Devices and methods are described by which antennas can be securely mounted upon rooftops and similar supporting surfaces. Antenna mounts are described that distribute the load associated with the antenna substantially evenly upon the rooftop or other sup... | 05/08/2001 |
| 6222502 | Antenna mounting enclosure An apparatus for mounting antennas is disclosed herein. The apparatus includes an enclosure having at least three adjoining side walls defining an interior space. Each of the walls includes an exterior surface and means on the exterior surfaces for mounti... | 04/24/2001 |
| 6198460 | Antenna support structure According to the present invention an antenna support structure for at least three directional antenna sub-systems provided, wherein the antenna sub-systems can be preferably planar antenna arrays. The antenna support structure (1) comprises at least four... | 03/06/2001 |
| 6127988 | Fixed wireless base station antenna arrangement An antenna arrangement for a fixed wireless access base station comprising at least one pair of directional antenna wherein the pair of antennas have a common phase centre. If both antenna in the pair then operate on the same frequency channels, the corre... | 10/03/2000 |
| 6127982 | Apparatus and method for processing satellite and terrestrial signals An antenna assembly is disclosed that comprises a terrestrial antenna and a support that mounts the antenna assembly on a satellite dish antenna. The satellite dish antenna has a convex/concave configuration, a periphery, a front signal receiving surface.... | 10/03/2000 |
