Bizarre Patents
An enclosure for small animals which is wearable on the front or back of an animate being.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7567154 | Surface wave transmission system over a single conductor having E-fields terminating along the conductor A low attenuation surface wave transmission line system for launching surface waves on a bare and unconditioned conductor, such as are found in abundance in the power transmission lines of the existing power grids. The conductors within the power grid typically lack... | 07/28/2009 |
| 7338615 | Dielectric media A novel method of fabrication of periodic dielectric composites involving a flexible computer design stage, rapid growth of a second dielectric component. Laser stereolithography is used to form the polymer material layer by layer by photopolymerisation of a liquid.... | 03/04/2008 |
| 7280033 | Surface wave power line communications system and method The present invention provides a system for operating a power line communications system that employs surface wave communications and conducted communications. The system is comprised of a plurality of network elements, which may take the form of repeaters, communic... | 10/09/2007 |
| 7162922 | Non-invasive method for detecting and measuring filling material in vessels A non-invasive method for measuring the level of filling material in a vessel and for detecting the presence of the filling material in the vessel at a predetermined set point level is based on monitoring the oscillation of the vessel's outside wall that follows an ... | 01/16/2007 |
| 7009471 | Method and apparatus for launching a surfacewave onto a single conductor transmission line using a slohed flared cone An apparatus for launching a surfacewave onto a single conductor transmission line provides a launch including a flared, continuously curving cone portion; a coaxial adapter portion; a wire adapter portion for contacting the wire conductor which allows for a multipl... | 03/07/2006 |
| 6928867 | Device for determining and/or monitoring the level of a filled substance in a container The invention concerns a device for determining and/or monitoring the fill level of a fill material in a container with a transmitting-/receiving-unit, which produces and receives high frequency measurement signals, and an evaluation/control-unit, which determines t... | 08/16/2005 |
| 6452467 | Material level sensor having a wire-horn launcher A single-wire time-domain reflectometer (TDR) combines the best performance features of prior art "electronic dipsticks" in a high accuracy implementation that allows tank penetration though a small opening. A wire-horn structure is employed to launch TDR... | 09/17/2002 |
| 6384700 | Towed antenna system right angle feed for towed antenna system rapid deployment cable and towed antenna system A towed antenna system employs drop-type dispensing for rapid deployment of a towed element on the end of a cable. The cable has an elastic central conductor, preferably of stranded stainless steel, which stretches to absorb the high tension of the towed ... | 05/07/2002 |
| 5065165 | Microwave transition A transition includes a sheet of dielectric material having two parallel surfaces. A tapered recess in one surface converges towards the other surface with the axis of the recess orthogonal to said surface. The dielectric material has a critical angle of ... | 11/12/1991 |
| 4947540 | Method of producing waveguide In the production of a waveguide, a pipe of a glass which is soluble in an acid or an alkali is used in order to obtain a smooth inner peripheral surface of a reflecting layer of the waveguide. After the reflecting layer is formed on the outer periphery o... | 08/14/1990 |
| 4808950 | Electromagnetic dispersive delay line An electromagnetic dispersive delay line (10) includes a dielectric strip (28) as well as a coupler (24, 34, 36, and 38) for launching surface electromagnetic waves into the dielectric strip. The upper surface of the dielectric strip (28) is left exposed ... | 02/28/1989 |
| 4730172 | Launcher for surface wave transmission lines Disclosed is a surface signal launcher for coupling RF signals between a coaxial cable in a single-wire surface wave transmission line. The signal launcher includes a shell-like, electrically conductive launcher horn that is installed at the juncture of t... | 03/08/1988 |
| 4525693 | Transmission line of unsintered PTFE having sintered high density portions A transmission line is provided, at least a portion of the wave energy transmitting part of the line being made of a dielectric material shaped to create a physical condition which preserves the deflected wave surface of the electromagnetic wave along the... | 06/25/1985 |
| 4468672 | Wide bandwidth hybrid mode feeds The present invention relates to hybrid mode feeds which are capable of handling very wide bandwidths. In the present feed arrangements, a dominant TE11 mode is converted to the HE11 hybrid mode which is then launched. The TE11 | 08/28/1984 |
| 4378558 | Endfire antenna arrays excited by proximity coupling to single wire transmission line A lightweight, efficient, microwave power transmitting antenna is disclosed, suitable for use in a space borne transmitter for beaming solar generated electrical power down to earth based receiving antennas. The space borne antenna structure is formed by ... | 03/29/1983 |
| 4291289 | Shielded surface wave transmission line A surface wave transmission line enclosed in a dielectric shield and supported within the enclosure at a predetermined distance from the base of the enclosure. The enclosure being constructed such that the surface wave transmission line may be in close pr... | 09/22/1981 |
| 4278955 | Coupler for feeding extensible transmission line An extensible surface wave transmission line is fed through a coupler that utilizes the geometric properties of a planar ellipse. The coupler is in the form of a planar elliptical r.f. cavity with the r.f. input signal being fed to the cavity at the locat... | 07/14/1981 |
| 4188595 | Shielded surface wave transmission line A continuous, self-supporting microwave transmission line along which ultra short pulses of microwave signals may propagate over distances of several hundred feet with minimum pulse distortion and signal attenuation. Propagation along the line is accompli... | 02/12/1980 |
| 4187501 | Electronic intruder detection system An electronic detection system for detecting intruders employs a transmission line as a sensing element. The transmission line is positioned about the perimeter of the area to be protected. An antenna applies pulsed RF energy to the line. An intruder in t... | 02/05/1980 |
| 4152677 | Wide band microwave isolators In a surface wave isolator consisting of two gyromagnetic slabs a conductive strip between said slabs, means to establish a magnetizing field within said slabs, a two part load is associated side by side with said slabs and the strip extends also between ... | 05/01/1979 |
| 4147998 | Beam lead rod assembly A beam lead rod assembly for incorporation into an electromagnetic wave coaxial transmission line structure. The rod assembly comprises a beam lead holder and a beam lead device. The holder includes a cylindrical body of a dielectric material and a conduc... | 04/03/1979 |
| 4054255 | Microwave ice detector A system for detecting ice on exterior surfaces of aircraft by transmitting a relatively low power microwave electromagnetic signal into a dielectric layer functioning as a surface waveguide, and monitoring the signals transmitted into and reflected from ... | 10/18/1977 |
| 4051450 | Waveguides Waveguides for the dipole mode are described which are of rectangular cross-section with conductive walls and contain one or more longitudinal conductors, or groups of conductors. Where a plurality of conductors are employed they are usually arranged in p... | 09/27/1977 |
| 4019009 | Microwave heating apparatus There is disclosed a microwave heating apparatus which includes a source of high frequency electromagnetic energy which generates microwaves having a predetermined operating wave length, a heating chamber to accommodate therein a material to be heated, a ... | 04/19/1977 |
| 3990026 | Waveguides Hollow circular or rectangular waveguides for supporting electromagnetic waves in the dipole mode are disclosed. Special surface impedances are required for such waveguides and examples are given. The waveguides may or may not have a central member also w... | 11/02/1976 |
