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"I hate what they've done to my child...I would never let my own children watch it. "
Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 7276987 | High frequency line-to-waveguide converter and high frequency package A high frequency line-waveguide converter comprises a high frequency line including a dielectric layer, a line conductor disposed on an upper surface of the dielectric layer, and a ground conductor layer disposed on the same surface so as to surround one end of the ... | 10/02/2007 |
| 7045440 | Method of fabricating radio frequency microelectromechanical systems (MEMS) devices on low-temperature co-fired ceramic (LTCC) substrates A phased-array antenna system and other types of radio frequency (RF) devices and systems using microelectromechanical switches (“MEMS”) and low-temperature co-fired ceramic (“LTCC”) technology and a method of fabricating such phased-array antenna system and... | 05/16/2006 |
| 6998941 | Frequency multiplier The invention can be used for telecommunications, measuring and other devices in order to produce stable superhigh frequency signals. An IMPATT diode (4) operating in the cascade break-down mode and having a sharp nonlinearity transforms an input signal in su... | 02/14/2006 |
| 6989790 | Integrated antenna device with resistive connection A planar metal antenna mounted on a semiconductor body and incorporating an active circuit element, for example a diode, integrated in the path of the antenna. Connection between the antenna metal and a peripheral contact is provided by a connecting link of resistiv... | 01/24/2006 |
| 6987434 | Non-radiative dielectric waveguide modulator having waveguide type hybrid coupler A non-radiative dielectric (NRD) waveguide modulator is provided having a waveguide type hybrid coupler, in which by forming a waveguide type 180° hybrid coupler and waveguide as a single body, the structure is simplified and manufacturing processes are reduced. Th... | 01/17/2006 |
| 6931246 | Line coupling structure, mixer, and receiving/transmitting apparatus comprised of suspended line and dielectric waveguide A line coupling structure for coupling a dielectric waveguide to a suspended line has the dielectric waveguide including dielectric strips and two conductor plates that are approximately parallel to each other, the dielectric strips and a circuit board being sandwic... | 08/16/2005 |
| 6888429 | Transmission line with a projecting dielectric part having an opposing coplanar line and transceiver A projecting part is formed on the bottom surface of a dielectric substrate and a first conductive layer and a second conductive layer are respectively formed on the top surface and the bottom surface of the dielectric substrate. A plurality of through holes are for... | 05/03/2005 |
| 6882254 | Transmission line with a dielectric protrusion having opposing longitudinal slot and transmitter-receiver A transmission line includes a dielectric substrate having first and second principal surfaces. A first conductive layer is provided on the first principal surface. A protrusion is provided on the second principal surface and a second conductive layer is formed so a... | 04/19/2005 |
| 6876272 | Reflection-mode, quasi-optical grid array wave-guiding system The present invention discloses a system for integrating a quasi-optical reflection-mode array into a wave-guiding enclosure. The system includes a quasi-optical reflection mode array and a waveguide assembly that encloses and mounts therein the array. In one prefer... | 04/05/2005 |
| 6791438 | Radio frequency module and method for manufacturing the same A rectangular penetration hole is formed opening in the opposite two main surfaces of a first dielectric substrate. Conductors for grounding are respectively formed on the main surfaces, to cover the openings of the penetration hole. A conductor layer is formed on o... | 09/14/2004 |
| 6788918 | Transmission line assembly, integrated circuit, and transmitter-receiver apparatus comprising a dielectric waveguide protuding for a dielectric plate In a transmission line assembly, a dielectric plate has a continuous protruding portion on at least one of the surfaces thereof so as to form a convex section, electrodes are formed on both of the surfaces of the dielectric plate including the outer surface of the p... | 09/07/2004 |
| 6717492 | Planar dielectric integrated circuit with line conversion conductor patterns A planar dielectric integrated circuit is provided such that energy conversion loss between a planar dielectric line and electronic components is small and that impedance matching between them can be easily obtained. A planar dielectric line is provided by causing t... | 04/06/2004 |
| 6664874 | Mounting structure of high-frequency wiring board The invention is a mounting structure of a high-frequency wiring board in which when a pitch between a conductive connecting member connected to a high-frequency signal electrode pad of a high-frequency wiring board and a conductive connecting member conn... | 12/16/2003 |
| 6603963 | Remote loop-back device A remote loop-back device with elements outside a waveguide such that the elements do not interfere with propagation of waves traveling in the waveguide. The remote-loop-back device also uses lossless lines of defined length for transporting the microwave... | 08/05/2003 |
| 6467152 | Method of fabricating a microwave microstrip/waveguide transition structure A microwave microstrip/waveguide transition structure includes a substrate, an elongated microstrip layer residing on a surface of the substrate, and an elongated integral hollow waveguide on the surface of the substrate. The microstrip layer and a side o... | 10/22/2002 |
| 6445255 | Planar dielectric integrated circuit A planar dielectric integrated circuit is provided such that energy conversion loss between a planar dielectric line and electronic components is small and that impedance matching between them can be easily obtained. A planar dielectric line is provided b... | 09/03/2002 |
| 6229411 | Integral waveguide structure and semiconductor wafer A waveguide structure is fabricated by patterning active elements on a semiconductor wafer (21). The upper surface of the wafer (21) and the active elements are then coated by a dissolvable positive resist polymer. The polymer is etched using conventional... | 05/08/2001 |
| 6198912 | Frequency converter for the application on millimetric radio waves The following description regards a frequency converter (1) for applications on millimetric radio waves. The circuit structure comprises a diplexer filter realized in thin film on an alumina layer connected to a balun set up by a quartz plate on which two... | 03/06/2001 |
| 5872485 | Dielectric line waveguide which forms electronic circuits An amplifying circuit is formed by a combination of a dielectric line waveguide and a semiconductor device. Two electrically conductive plates are provided substantially parallel to each other. Two dielectric strips are disposed between the two conductive... | 02/16/1999 |
| 5812034 | Waveguide mode-strip line mode converter utilizing fin-line antennas of one wavelength or less A fin-line antenna 51 comprises fins 51a and 51b and a fin-line antenna 52 comprises fins 52a and 52b. The fins 51b and 52b are integrated into one body and connected to a ground layer of a strip line 31. The length of each antenna 51 or 52 is one wavelen... | 09/22/1998 |
| 5794135 | Millimeter wave mixer realized by windowing The invention concerns a millimeter wave mixer realized by windowing, and includes a coplanar conductive line (320) that is produced in plating (212) on a substrate (211) disposed in a rectangular waveguide. The coplanar line (320) divides the plating (21... | 08/11/1998 |
| 5640700 | Dielectric waveguide mixer A non-radiative dielectric waveguide mixer includes at least one conductive plate, a dielectric waveguide held on said conductive plate and a solid-state device disposed across said dielectric waveguide for mixing at least two high-frequency signals which... | 06/17/1997 |
| 5511238 | Monolithic microwave transmitter/receiver Preferred embodiments include a microstrip patch antenna (38) which also acts as the resonator for an oscillator powered by IMPATT diodes (34, 36); this forms a monolithic transmitter (30) for microwave and millimeter wave frequencies.... | 04/23/1996 |
| 5265268 | Image recovery mixer A microwave mixer is formed of three orthogonally oriented waveguides, each having a rectangular cross-section defined by a pair of opposed broad walls and a pair of opposed sidewalls wherein the ratio of cross-sectional dimensions typically is 2 :1. The ... | 11/23/1993 |
| 5204614 | Broad-band microwave power sensor using diodes above their resonant frequency A microwave power sensor is disclosed which is capable of using diodes above their resonant frequency to sense the power of input microwaves. The power sensor includes a sensing diode, a conditioning means, and a tapered waveguide. For input waves having ... | 04/20/1993 |
| 5130673 | Varactor tuned coax resonator A broadband, varactor-tuned shorted coax resonator is provided with a single point coupling port that facilitates coupling of discrete circuitry to the distributed resonator to form an oscillator. The coupling port is defined by adding a second shorted co... | 07/14/1992 |
| 5055805 | High speed polarization switch array for selecting a particular orthogonal polarization An apparatus is disclosed comprising a polarization mode selection switch for preselected wavelengths using a waveguide having a first array of PIN type diodes mounted in a plane extending substantially perpendicular to a longitudinal waveguide axis. The ... | 10/08/1991 |
| 5023594 | Ceiling mount microwave transceiver with 360 degree radiation pattern A microwave transceiver comprising a Gunn diode microwave radiation source, a Schottky-barrier diode mixer, a closed rectangular waveguide cavity, a coaxial-waveguide joint, and a monopole antenna providing a microwave radiation dispersion/collection patt... | 06/11/1991 |
| 4843353 | Dielectric slab transistions and power couplers A transmission line comprising a multi-layer dielectric slab structure including: a dielectric substrate layer (30) having a thickness ds and permittivity &3xb5;s ; a conductive ground plane (31) on the bottom surface of the dielectr... | 06/27/1989 |
| 4789840 | Integrated capacitance structures in microwave finline devices A finline structure comprises a dielectric substrate-mounted circuit disposed within a waveguide having on the substrate integrated distributed capacitance elements at least partially formed by laterally separated metallization layers. Thin-film construct... | 12/06/1988 |
| 4764741 | Voltage and high frequency signal supply for a diode mounted in a waveguide Circuit device including: a waveguide for transmitting electromagnetic waves with an electric field extending in a selected direction; a diode mounted in the waveguide; a coaxial line connected for supplying a DC voltage to the diode; and a planar line fo... | 08/16/1988 |
| 4754243 | Microwave component mounting A method of making a microwave semiconductor component and concurrently forming therewith a mounting membrane adapted for positioning the semiconductor component in an RF transmission medium such as a waveguide. Substantially concurrently with the deposit... | 06/28/1988 |
| 4734667 | Arrangement for coupling waveguide modes between two waveguides via a semiconductor element An arrangement for coupling waveguide modes between two waveguides via a semiconductor element. The two waveguides each have a short-circuiting end wall and a common side wall constituting a common partition wall between the waveguides so that the two wav... | 03/29/1988 |
| 4689583 | Dual diode module with heat sink, for use in a cavity power combiner A composite diode module is provided having an impedance matching member integrally formed within the module. The module includes a base member, a heat sink holder member having an aperture, a gold plated diamond heat sink which is disposed in the aforeme... | 08/25/1987 |
| 4686499 | Police radar warning receiver with cantilevered PC board structure A compact police radar warning receiver is provided having an antenna in which some of the mixer and oscillator components are secured to the antenna by a cantilever structure formed integral the circuit board overlying a portion of the antenna and to whi... | 08/11/1987 |
| 4654609 | Monolithic planar doped barrier limiter A passive millimeter wave image guide power limiter comprising a length of ielectric transmission line or waveguide for millimeter wave frequencies located on a relatively thin conductive ground plane forming thereby an image guide and including a planar d... | 03/31/1987 |
| 4636758 | Frequency multiplier for millimeter waves having means for adjusting harmonic frequency A frequency multiplier according to the invention comprises a coaxial input, an elastic device constituted by two parts sliding within one another, the outer part having a flexible metal bellows and which is extended by a spring, an impedance matching low... | 01/13/1987 |
| 4613832 | Fluid filled microwave cavity oscillator for a discontinuity detector system A microwave cavity oscillator comprises a waveguide blocked at both ends, an active device enclosed in the waveguide and a dielectric powder or other fluid filling the remaining space in the waveguide. The microwave cavity oscillator is useful, for exampl... | 09/23/1986 |
| 4581250 | Microwave component mounting A method of making a microwave semiconductor component and concurrently forming therewith a mounting membrane adapted for positioning the semiconductor component in an RF transmission medium such as a waveguide. Substantially concurrently with the deposit... | 04/08/1986 |
| 4571559 | High-power waveguide limiter comprising PIN diodes for millimeter waves A high-power limiter comprising silicon PIN diodes for millimeter waves is formed by a waveguide associated with a silicon substrate wherein is formed a matrix of PIN diodes. The PIN diodes are formed throughout the thickness of the silicon substrate.... | 02/18/1986 |
