Celebrity Inventors
Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
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 |
| 7446625 | Narrow impedance conversion device An impedance conversion device has four conductors arranged so that the first and second conductors form a transmission line having a first characteristic impedance, the third and fourth conductors form a transmission line having the first characteristic impedance, ... | 11/04/2008 |
| 7420434 | Circular to rectangular waveguide converter including a bend section and mode suppressor A compact circular waveguide system can connect circular waveguides through a bend while avoiding excessive interaction between the orthogonal modes of the circular waveguides. A compact bend system with circular waveguide input and output can be achieved by providi... | 09/02/2008 |
| 7276989 | Attenuator circuit comprising a plurality of quarter wave transformers and lump element resistors A microwave attenuator circuit is disclosed, including a combination of a plurality of quarter wave transformers and a plurality of resistive elements. ... | 10/02/2007 |
| 7239002 | Integrated circuit device In a temperature sensor section of a semiconductor integrated circuit device, first vias of tungsten are formed at the topmost layer of a multi-layer wiring layer and pads of titanium are provided on regions of the multi-layer wiring layer which covers the vias. An ... | 07/03/2007 |
| 7230384 | Robust RF interface in a TWT Apparatus and methods provide a robust radio frequency (RF) interface for a helix-type traveling wave tube (TWT). As a vacuum device, the RF input to the TWT and the RF output from the TWT are sealed to maintain the vacuum. The disclosed robust RF interface techniqu... | 06/12/2007 |
| 7212001 | Fluxgate sensor integrated having pick-up coil mounted on excitation coil in printed circuit board and method for manufacturing the same A fluxgate sensor is integrated in a printed circuit board. The fluxgate sensor has two bar-type(or rectangular-ring shaped) soft magnetic cores to form a closed magnetic path on a printed circuit board and an excitation coil in the form of a metal film is wound aro... | 05/01/2007 |
| 7205866 | Electronic phase reflector with enhanced phase shift performance A varactor based phase shifter that increases phase shift range using an impedance transformer to impart a low characteristic impedance between an input port and a reference node port. The characteristic impedance across the port is therefore less than the character... | 04/17/2007 |
| 7183871 | Bi-directional access point An improved bi-directional access point includes an impedance boosting section in conjunction with an interface section to a bi-directional communication path. The impedance boosting section incorporates a transformer tap output that couples to an access connection ... | 02/27/2007 |
| 7183873 | Tapered thickness broadband matching transformer An impedance matching transformer is disclosed. The transformer includes a conductive ground plane and a dielectric substrate disposed upon the conductive ground plane. The dielectric substrate has a first end and a second end. The dielectric substrate may be of a u... | 02/27/2007 |
| 7174142 | Receiver having a built-in antenna and method of impedance-matching for the same A receiver includes an antenna, an impedance-matching circuit, a receive circuit, a control circuit, a digital-to-analog (D/A) converter, a mode switch, and an EEPROM. The impedance-matching circuit includes a variable-capacitance diode. The control circuit determin... | 02/06/2007 |
| 7173502 | Reflection loss suppression circuit An object is to suppress a reflection loss in any desired frequency band outside a required band, without affecting circuit characteristics in the required frequency band. The output impedance of a circuit in a specified frequency band is transformed into a high imp... | 02/06/2007 |
| 7170011 | System and method for modifying electrical characteristics System and methods for modifying an electrical parameter of an electrical component are described. The system includes an electrical component disposed on a circuit board and a dielectric material. The electrical component has an electrical parameter that is sensiti... | 01/30/2007 |
| 7164333 | Standing wave barrier A standing wave barrier for at least one radio frequency cable having a cable axis has at least one metallic base web that proceeds parallel to the cable axis from a first web end to a second web end. The web ends are coupled to one another in terms of radio frequen... | 01/16/2007 |
| 7161457 | Common mode choke including conductors within dielectric layer and associated methods A common mode choke may include a generally rectangular body including bottom and top ferrite portions, at least one pair of laterally spaced apart interior conductors between the bottom and top ferrite portions and extending between the first and second ends of the... | 01/09/2007 |
| 7129804 | Reflection loss suppression circuit An object is to suppress a reflection loss in any desired frequency band outside a required band, without affecting circuit characteristics in the required frequency band. The output impedance of a circuit in a specified frequency band is transformed into a high imp... | 10/31/2006 |
| 7113066 | Electronic inductive and capacitive component An electronic component with inductive and capacitive properties has a core carrying at least one pair of conducting electrodes. The electrodes are wound round the core alternating along the length of the core providing inductivity to the component. First and second... | 09/26/2006 |
| 7106146 | High frequency switch A signal line, which branches into four more from a connecting line on the input side via a branch point and has the branch signal lines including λ/4 transmission lines at their parts, and FETs respectively connected in shunt with the branch signal lines between c... | 09/12/2006 |
| 7075385 | Impedance converter device An impedance converter device comprises an electrically conductive external conductor with one or more connection locations for electrical lines, an electrically conductive internal conductor with one or more connection locations for electrical lines, and also a die... | 07/11/2006 |
| 7064646 | Integrated inductor An inductor comprises a substrate comprising a semiconductor material, a first dielectric layer over the substrate, a magnetic layer over the first dielectric layer, a second dielectric layer over the magnetic layer, and a conductor over the second dielectric layer.... | 06/20/2006 |
| 7059201 | Use of multi-layer thin films as stress sensors The present invention provides a pressure sensing device that includes at least one TMR sensor, and preferably an array of TMR sensors, with each TMR sensor having an insulating spacer layer interposed between a pinned and a free ferromagnetic layer. In an unbiased ... | 06/13/2006 |
| 7054795 | Method for selecting optimized lengths of a segmented transmission line and a transmission line resulting therefrom A method for optimizing the segment lengths of a segmented transmission line, comprising the steps of modeling the electrical performance of the segmented transmission line, and evaluating the model for incremental changes in electrical performance, selecting a set ... | 05/30/2006 |
| 7034629 | High frequency, high reflection pre-matching tuners with variable zero initialization Automatic microwave pre-matching tuners with new zero positioning capability allowing for a minimum idle airline section between pre-matching and tuning section, thus minimizing insertion loss and enhancing high reflection tuning capability at high frequencies and t... | 04/25/2006 |
| 7019603 | Waveguide type ortho mode transducer An object of the present invention is to obtain a waveguide type polarizer, which enables miniaturization thereof, shortening of an axis, and broad band promotion, and which has high performance. In order to attain the object, the waveguide type polarizer includes: ... | 03/28/2006 |
| 7015691 | Weak-magnetic field sensor using printed circuit board technology and method of manufacturing the same In a weak-magnetic field sensor a rectangular ring-shaped magnetic core is wound by exciting circuit patterns and detecting circuit patterns, and weak-magnetic field sensors are implemented in x-axis and y-axis directions, respectively, to precisely calculate azimut... | 03/21/2006 |
| 6992546 | Electronic phase shifter with enhanced phase shift performance A varactor based phase shifter that increases phase shift range using a lower characteristic impedance between quadrature ports than is used at its input/output ports. The circuit makes use of a four port coupler arrangement that imbeds a quarter wave impedance tran... | 01/31/2006 |
| 6972728 | Horn antenna with dynamically variable geometry An electromagnetic horn antenna (100). The antenna can include a horn housing having a throat portion (102), a tapered portion (106, 104) and an aperture 108. At least one cavity structure (142, 144, 138) can be provided within the... | 12/06/2005 |
| 6911879 | Electronic phase shifter with enhanced phase shift performance A varactor based phase shifter that increases phase shift range using a lower characteristic impedance between quadrature ports than is used at its input/output ports. The circuit makes use of a four port coupler arrangement that imbeds a quarter wave impedance tran... | 06/28/2005 |
| 6894583 | Variable quarter-wave transformer A continuously variable quarter-wave transformer (103) including a quarter-wave element (110). The quarter-wave transformer has a characteristic impedance and is at least partially coupled to a fluidic dielectric (108). A controller (136)... | 05/17/2005 |
| 6882242 | Frequency selective low loss transmission line system A frequency selective low loss transmission system for communicating a signal using a coaxial cable of one impedance to a device of different impedance. A connector with a matching transformer is integral to the connector which terminates with a standard interface. ... | 04/19/2005 |
| 6876281 | Variable transmission line transformer A transmission line transformer (102) having an electrical length and a fluid dielectric (108). A fluid control system (150) is also provided for selectively moving the fluid dielectric (108) from a first position to a second position. In... | 04/05/2005 |
| 6864758 | Apparatus and resonant circuit employing a varactor diode in parallel with a transmission line and method thereof A resonant circuit includes a transmission line in parallel with a varactor diode. The varactor diode has a capacitance that is variable in response to an applied voltage, which allows for real time impedance matching, attenuation control, and/or compensation for to... | 03/08/2005 |
| 6856211 | Coaxial type impedance matching device A coaxial type impedance matching device includes a matching device body including an external conductor and an internal conductor arranged in the external conductor, an input side dielectric disposed in the matching device body and including a first dielectric and ... | 02/15/2005 |
| 6844792 | Single ended tuning of a differential power amplifier output A system and method for compensating a parasitic capacitance on a differential amplifier output includes a first differential output and a second differential output of the differential amplifier. The first differential output coupled to the second differential outp... | 01/18/2005 |
| 6838954 | High efficiency quarter-wave transformer A circuit for processing radio frequency signals. The circuit includes a substrate where the circuit can be placed. The substrate can be a meta material and can incorporate at least one dielectric layer. A quarter-wave transformer and at least one ground can be coup... | 01/04/2005 |
| 6753745 | High efficiency four port circuit A circuit for processing radio frequency signals. The circuit includes a substrate where the circuit can be placed. The substrate can be a meta-material and can incorporate at least one dielectric layer. A four port circuit and at least one ground can be coupled to ... | 06/22/2004 |
| 6737932 | Broadband impedance transformers The invention concerns an impedance transforming device that includes a dielectric circuit board substrate. The substrate has at least one region that has a relative permeability or a relative permittivity different from a remaining portion of the substrate. In orde... | 05/18/2004 |
| 6677830 | Broadband matching network for an electroabsorption optical modulator A broadband impedance matching circuit for use with an optical device such as an electroabsorption optical modulator comprises a microstrip transmission line, including pairs of like-sized open stubs disposed on opposite sides of the transmission line alo... | 01/13/2004 |
| 6642819 | Method and bend structure for reducing transmission line bend loss A dielectric transmission line bend structure includes an electrically conductive strip that forms a bend (e.g., a right angle bend). The inner edge of the bend includes a plurality of curved and/or straight line segments that result in the inner edge ext... | 11/04/2003 |
| 6621372 | Impedance matching device In an impedance matching device having at least two stubs serially provided to a main coaxial tube so as to be separated from each other with a predetermined interval in a tube axial direction, each stub is composed of a variable capacity capacitor to be ... | 09/16/2003 |
| 6518853 | Wideband compact large step circular waveguide transition apparatus An apparatus for forming a quarter wave step between a waveguide of a radiating element under test and a waveguide associated with test equipment being used to test the radiating element. The apparatus includes a housing including a first bore, a second b... | 02/11/2003 |
