Class / Patent application number | Description | Number of patent applications / Date published |
333248000 | Waveguide elements and components | 70 |
20080303612 | WAVEGUIDE STRUCTURE - A waveguide structure comprises a first waveguide portion, a second waveguide portion and a third waveguide portion. The first, second and third waveguide portions are connected in a series; signals feed into the first waveguide portion and then propagate through the first, second and third waveguide portions in sequence; and the cross sections of the first to third waveguide portions descend in size. | 12-11-2008 |
20100019872 | WIDE BAND AND RADIO FREQUENCY WAVEGUIDE AND HYBRID INTEGRATION IN A SILICON PACKAGE - A device includes a device wafer having a circuit component formed thereon and having vias formed therein and a cap wafer bonded to the device wafer. The cap wafer has a cavity therein. The cavity has a post formed therein, and the post is positioned to mechanically support the vias formed in the device wafer. The cavity has a volume, the volume substantially enclosing the circuit component formed on the device wafer. The cavity has a width and height such that an impedance of a transmission line is dependent upon the width and height of the cavity, or the impedance of a transmission line is dependent upon the width of a center conductor within the cavity. | 01-28-2010 |
20100026423 | WAVEGUIDE - A waveguide includes a first waveguide member and a second waveguide member. The second waveguide member is combined with the first waveguide member to form a through hole. The first waveguide member includes a first shell and two first wing portions connected to the first shell, and the two first wing portions form a first plane. The second waveguide member includes a second shell and two second wing portions connected to the second shell, and the two second wing portions form a second plane. Bulged strips are formed at the inner rims of the second plane neighboring the through hole and extend along a longitudinal direction of the through hole, and the bulged strips protrude the second plane. | 02-04-2010 |
20100060391 | WAVEGUIDE ELEMENT - The invention relates to a microwave waveguide element for matching a standard waveguide input port ( | 03-11-2010 |
20100085133 | TRIPLATE LINE-TO-WAVEGUIDE TRANSDUCER - A ground conductor ( | 04-08-2010 |
20100109820 | WATERPROOF COMMUNICATION APPARATUS - A waterproof communication apparatus comprises a core part and an external part. The core part is a combination having at least one seam, and is used to transmit electromagnetic waves. The external part covers the core part to prevent environmental moisture from entering the inside of the communication apparatus through the seam. A pair of engaging parts having complementary shapes is equipped with the seam of the combination so as to further prevent the molten material of the external part from entering the inside of the communication apparatus during the manufacturing process. In another embodiment, the core part and external part are made of metals and are combined by a metallurgic method. | 05-06-2010 |
20100127804 | MULTI-COMPONENT WAVEGUIDE ASSEMBLY - A waveguide assembly comprising at least two waveguide components. The waveguide assembly comprising a first waveguide portion and a second waveguide portion each comprising an interior surface and an exterior surface. The interior surface of the first waveguide portion defining a first portion of a first microwave component and a first portion of a second microwave component. The interior surface of the second waveguide portion defining a second portion of the first microwave component and a second portion of the second microwave component. The first waveguide portion and the second waveguide portion being adapted for being coupled together to form the waveguide assembly such that, when coupled together, the waveguide assembly comprises at least the first microwave component and the second microwave component. | 05-27-2010 |
20100164654 | WAVEGUIDE STRUCTURE, ANTENNA APPARATUS THAT USES THAT WAVEGUIDE STRUCTURE, AND VEHICLE RADAR APPARATUS IN WHICH A WAVEGUIDE STRUCTURE OR AN ANTENNA APPARATUS IS USED - The present invention provides a waveguide structure that prevents occurrences of gaps that communicate between internal and external portions of a waveguide without increasing energy transmission loss of high frequency signals, that is low cost, that has superior durability, and that is compact. | 07-01-2010 |
20100214042 | FREE-SPACE WAVEGUIDES, INCLUDING AN ARRAY OF CAPACITIVELY LOADED CONDUCTING RING ELEMENTS, FOR GUIDING A SIGNAL THROUGH FREE SPACE - A “wireless cable” (also referred to as a “free-space waveguide”), which does not require a continuous body of conducting wire, is provided. Rather, a series of conducting rings, each loaded with a suitable capacitance element, is properly arranged in an empty medium. The distance between the conducting ring elements is of the order of half the wavelength of the signal to be carried, or less. Normally, the series of ring elements would operate as an antenna array, radiating the signal power away from the structure. However, under suitable design conditions, ideally all the signal power can be directed along an axis of the series of conducting ring elements. A signal source can be connected to the ring element at one end of the series, and a suitable electrical load be connected to the element at the opposite end to collect the guided signal power. Additional matching circuits may be provided to properly couple the source and load to the wireless cable. | 08-26-2010 |
20100259346 | DUAL-POLARIZED MULTI-BAND, FULL DUPLEX, INTERLEAVED WAVEGUIDE ANTENNA APERTURE - The subject of this disclosure may relate generally to systems, devices, and methods using interleaved waveguide elements. Specifically, systems, devices, and methods using a dual-polarized broadband, multi-frequency interleaved waveguide antenna aperture are presented. In one exemplary embodiment, a first plurality of waveguide elements are configured to communicate in a first frequency band. In this exemplary embodiment, a second plurality of waveguide elements are configured to communicate in a second frequency band. In one exemplary embodiment the first plurality of waveguide elements and the second plurality of waveguide elements are integrally coupled to a printed circuit board. | 10-14-2010 |
20100301973 | Systems, Devices, and/or Methods Regarding Waveguides - Certain exemplary embodiments can provide a rectangular waveguide and backshort adapted for using/studying millimeter and/or submillimeter waves. Exemplary sliding shorts can exhibit relatively low loss, relatively smooth phase variation with frequency and movement, and/or relatively good repeatability. Certain exemplary embodiments can resist transmission of power by reflecting substantially all power from an incident signal. | 12-02-2010 |
20110032057 | Waveguide and Assembly of Waveguide and Printed Circuit Board - A waveguide, configured to attach with a printed circuit board, includes a body, a waveguide channel, at least one flange portion, and a plurality of protrusions. The waveguide channel is formed through the body. The at least one flange portion is connected with an end portion of the body. The plurality of protrusions are disposed on a surface of the at least one flange portion and a surface of the end portion and abut against the surface of the printed circuit board. | 02-10-2011 |
20110109409 | Waveguide Orthomode Transducer - A waveguide orthomode transducer includes a waveguide including a first waveguide portion and a second waveguide portion placed along a transmission direction of radio signals, the size of an aperture of the second waveguide portion smaller than the size of an aperture of the first waveguide portion, a first probe disposed at a first position, a second probe disposed at a second position, a third probe disposed at a third position, and a fourth probe disposed at a fourth position, wherein at least two of the first position, the second position, the third position, and the fourth position are located in the same plane perpendicular to the transmission direction of the radio signals. | 05-12-2011 |
20110148551 | Compact Thermoelastic Actuator for Waveguide, Waveguide with Phase Stability and Multiplexing Device Including Such an Actuator - A compact thermoelastic actuator includes at least two identical force pieces and a securing piece, the securing piece having a coefficient of thermal expansion less than the coefficient of thermal expansion of the force pieces. The force pieces are mounted head-to-tail one beside the other parallel to a longitudinal axis Y and are linearly offset relative to one another, along the longitudinal axis Y. The securing piece has two ends respectively linked to external ends of each force piece and internal ends of each force piece are positioned under a median region of the securing piece. The actuator and device is applicable to waveguides of multiplexers incorporated in space equipment for satellites. | 06-23-2011 |
20120086527 | SYSTEMS AND METHODS OF WAVEGUIDE ASSEMBLY - Various embodiments provide for waveguide assemblies which may be utilized in wireless communication systems. Various embodiments may allow for waveguide assemblies to be assembled using tools and methodologies that are simpler than the conventional alternatives. Some embodiments provide for a waveguide assembly that comprises a straight tubular portion configured to be shortened, using simple techniques and tools, in order to fit into a waveguide assembly. For instance, for some embodiments, the waveguide assembly may be configured such that the straight portion can be shortened, at a cross section of the portion, using a basic cutting tool, such a hacksaw. In some embodiments, the straight portion may be further configured such that regardless of whether the straight tubular portion is shortened, the waveguide assembly remains capable of coupling to flanges, which facilitate coupling the straight tubular portion to connectable assemblies, such as other waveguide assemblies, radio equipment, or antennas. | 04-12-2012 |
20120194303 | PRECISION WAVEGUIDE INTERFACE - A waveguide interface and a method of manufacturing is disclosed. The interface includes a support block that has a printed circuit board. A communication device is coupled to the circuit board. A launch transducer is positioned adjacent to and coupled to the communication device. The launch transducer includes one or more transmission lines in a first portion and at least one antenna element in a second portion. The antenna element radiates millimeter wave frequency signals. An interface plate coupled to the support block has a rectangular slot having predetermined dimensions. A waveguide component is coupled to the interface plate and has a waveguide opening. The first portion of the launch transducer is positioned within the slot such that the slot prevents energy from the transmission line from emitting toward the circuit board or the waveguide opening but allows energy to pass from the antenna element into the waveguide opening. | 08-02-2012 |
20120299671 | ELECTROMAGNETIC-RADIATION POWER-SUPPLY MECHANISM AND MICROWAVE INTRODUCTION MECHANISM - An electromagnetic-radiation power-supply mechanism includes a microwave power introduction port provided on the side of the coaxial waveguide, a power line being connected to the microwave power introduction port; and a power supply antenna for radiating the electromagnetic wave power into the waveguide, the power supply antenna being connected to the power line. The power supply antenna includes an antenna body having a first pole connected to the power line and a second pole connected to an inner conductor of the waveguide; and a ring-shaped reflection portion extending from opposite sides of the antenna body. | 11-29-2012 |
20130082803 | MULTI-COMPONENT WAVEGUIDE ASSEMBLY - A waveguide assembly comprising at least two waveguide components. The waveguide assembly comprising a first waveguide portion and a second waveguide portion each comprising an interior surface and an exterior surface. The interior surface of the first waveguide portion defining a first portion of a first microwave component and a first portion of a second microwave component. The interior surface of the second waveguide portion defining a second portion of the first microwave component and a second portion of the second microwave component. The first waveguide portion and the second waveguide portion being adapted for being coupled together to form the waveguide assembly such that, when coupled together, the waveguide assembly comprises at least the first microwave component and the second microwave component. | 04-04-2013 |
20130307645 | WAVEGUIDE AND IN-VEHICLE COMMUNICATION SYSTEM - A waveguide includes a waveguide body which is hollow inside and made from a shape-retentive material, and a conductive inner coating layer which is electrically conductive and provided on an inner surface of the waveguide body. The waveguide uses an inner space of the conductive inner coating layer as a transmission path to transmit electromagnetic waves as signals. Two electric wires provided along the outer surface of the waveguide body serve respectively as a power line and a ground line to transmit electric power. | 11-21-2013 |
20140097919 | WAVEGUIDE MEMBER - A waveguide member assembly includes a side plate and a waveguide member. The side plate defines an opening. The waveguide member includes a main body molded integrally by plastic. The main body includes a core portion and a mounting plate extending out from edges of a side of the core portion. The core portion includes a number of waveguide tubes aligning with the opening. A metal layer is coated on an outer side of the main body and inner sidewalls of the waveguide tubes. The mounting plate is fastened to the side plate. | 04-10-2014 |
20160190670 | DIRECT AND COMPACT CHIP TO WAVEGUIDE TRANSITION - An apparatus providing a direct chip to waveguide transition, comprising: one or more waveguides, a chip partially embedding each of the waveguides at a transition area positioned at a narrow side of each waveguide, and a transmitting element disposed at each of the transition areas, thereby providing one or more simultaneous, direct transitions between the chip and the waveguides. | 06-30-2016 |
333249000 | Bend | 2 |
20090243766 | CORNER WAVEGUIDE - The disclosure provides a corner waveguide including a first straight waveguide portion for transmitting an electromagnetic wave, a second straight waveguide portion for transmitting an electromagnetic wave to a direction different from the transmitting direction of the electromagnetic wave of the first straight waveguide portion, and a corner waveguide portion connecting the first and second straight waveguide portions. An outside inner wall of the corner waveguide portion has inclined planes inclined at at least three or more different angles with respect to a plane including a longitudinal axis of the waveguide portion. | 10-01-2009 |
20100134217 | Waveguide Junction - A junction ( | 06-03-2010 |
333250000 | Active element mounting | 3 |
20100182108 | HIGH FREQUENCY LIMITER - In order to provide a high-frequency limiter capable of absorbing variation in characteristic parameters of a PIN diode to acquire a desired limiting characteristic, an external re-entrant coaxial cavity is constituted by an external pedestal | 07-22-2010 |
20120242427 | HIGH-FREQUENCY CONVERSION CIRCUIT - According to one embodiment, a high-frequency conversion circuit includes a conductor posts, a transmission path, and a path cutoff unit. The conductor posts form a waveguide that guides the high-frequency signal. The transmission path mode-converts the high-frequency signal output from a semiconductor circuit chip and guides the same to the waveguide. The path cutoff unit cuts off the path of a high-frequency current generated when the high-frequency signal output from the semiconductor circuit chip is transmitted to the waveguide via the transmission path. | 09-27-2012 |
20160156088 | WAVEGUIDE DEVICE, COMMUNICATION MODULE AND ELECTRONIC DEVICE | 06-02-2016 |
333251000 | Mode suppressor | 3 |
20100201465 | APPARATUS AND METHOD FOR ELECTROMAGNETIC MODE SUPPRESSION IN MICROWAVE AND MILLIMETERWAVE PACKAGES - A parallel plate waveguide structure may be configured to suppress spurious propagating modes by including a lossy frequency selective surface (FSS). The electromagnetic material properties of individual layers disposed between the conductive plates of the waveguide may be engineered to extend the suppression band of the fundamental TE mode up to the cutoff frequency of the second TE mode. Examples of mode suppression structures are presented and analyzed by transverse resonance models. Applications include, for example, cavity mode suppression in microwave and millimeterwave assemblies at the board, package, and chip level. | 08-12-2010 |
20120062346 | APPARATUS AND METHOD FOR BROADBAND ELECTROMAGNETIC MODE SUPPRESSION IN MICROWAVE AND MILLIMETERWAVE PACKAGES - A parallel plate waveguide structure may be configured to suppress spurious propagating modes by including a lossy frequency selective surface (FSS) formed from a resistive film. The electromagnetic material properties of individual layers disposed between the conductive plates of the waveguide may be engineered to extend the suppression band of the fundamental TE mode up to the cutoff frequency of the second TE mode, and to simultaneously create a multi-octave TM mode suppression band. Applications include, for example, cavity mode suppression in microwave and millimeterwave assemblies at the board, package, and chip level. | 03-15-2012 |
20150061796 | RUGGEDIZED LOW-RELECTION/HIGH-TRANSMISSION INTEGRATED SPINDLE FOR PARALLEL-PLATE TRANSMISSION-LINE STRUCTURES - A radio frequency (RF) transmission-line structure includes a parallel-plate transmission line formed from a first conducting plate and a second conducting plate. The second conducting plate is spaced apart from the first conducting plate and substantially parallel to the first conducting plate. A support member is attached to the first and second plates and is operative to maintain a fixed mechanical spacing between the first conducting plate and the second conducting plate. The transmission-line structure further includes at least one feature configured to isolate or suppress RF interaction of the support member with RF fields within the parallel-plate transmission line. | 03-05-2015 |
333252000 | Window | 5 |
20100214043 | High Peak and Average Power-Capable Microwave Window for Rectangular Waveguide - A high peak and high average power-capable microwave/radio frequency window for use in rectangular or other waveguide transmission line geometries. The waveguide microwave window provides a physical barrier, or interface, between two regions on either side of the window. The window presents a relatively transparent interface for the microwave signal that is propagating in the waveguide. In an electrical sense the window will exhibit low return loss. The microwave window inhibits multipactor phenomena, suppresses electrical breakdown and transmits high peak power radio frequency signals. The microwave window also provides a mechanism for both passive and active cooling to allow operation at high average power. The applications for the claimed invention include use as part of: High Power Microwave (HPM) generators and systems; HPM sources and systems employed in and by particle accelerators; plasma processing systems; and numerous other applications that utilize high power microwave signals. | 08-26-2010 |
20100295636 | MATCHED RF OUTPUT TRANSITION FOR A HIGH-POWER MICROWAVE ELECTRON TUBE - The invention relates to a microwave output transition for a high-power electron tube comprising a body ( | 11-25-2010 |
20130033343 | COMPONENT HAVING A MULTIPACTOR-INHIBITING CARBON NANOFILM THEREON, APPARATUS INCLUDING THE COMPONENT, AND METHODS OF MANUFACTURING AND USING THE COMPONENT - A high power RF energy device component is disclosed that is exposed to high power RF energy in a vacuum environment, and includes a multipactor-inhibiting carbon nanofilm covering at least one surface of the component. A secondary electron efficiency (SEE) coefficient of the multipactor inhibiting carbon nanofilm is desirably less than a SEE coefficient of the underlying surface of the component. | 02-07-2013 |
20140333395 | RF window to be used in high power microwave systems - A high-power microwave RF window is provided that includes a cylindrical waveguide, where the cylindrical waveguide includes a ceramic disk concentrically housed in a central region of the cylindrical waveguide, a first rectangular waveguide, where the first rectangular waveguide is connected by a first elliptical joint to a proximal end of the cylindrical waveguide, and a second rectangular waveguide, where the second rectangular waveguide is connected by a second elliptical joint to a distal end of the cylindrical waveguide. | 11-13-2014 |
20150357694 | DEVICE FOR TRANSMITTING ENERGY FROM ONE MEDIUM TO ANOTHER - A device for transmitting energy comprises: a wall separating two media; and at least one conductive element passing through the wall, the conductive element comprising an energetically conductive material extending in a longitudinal direction. The conductive element is joined to the wall and comprises a hole passing through the wall and extending in a direction substantially parallel to the longitudinal direction on either side of the surfaces of the wall, over respective lengths that are larger than or equal to the largest dimension of a cross section of the conductive element considered level with the wall, the maximum ratio of the area of the cross section of the conductive element with the hole to the area of the cross section of the conductive element without the hole level with the wall being higher than or equal to a threshold comprised between 0.85 and 0.95. | 12-10-2015 |
333253000 | Including variable impedance | 1 |
20110169592 | Planar-Axial Thermistor for Bolometry - A co-axial microwave bolometer architecture is disclosed that uses thick-film processes to construct very small thermistors on a substrate that is selected for low heat transfer. Thermal isolation is further enhanced by making the planar electrodes from a metal with lower heat transfer than typical electrical metals. Furthermore, a resistor with very strong temperature coefficient (thermistor), is arranged such that connecting metal paths are arranged axially, and as generally flat, thin, planar conductors. Additionally, the substrate of the thermistor is selected to have very low conductivity of heat, so the thermistor element itself is well isolated thermally from its surroundings. | 07-14-2011 |
333254000 | Connectors and interconnections | 35 |
20080303613 | Waveguide interface for millimeter wave and sub-millimeter wave applications - A waveguide interface for millimeter wave and sub-millimeter wave applications adapted to couple and uncouple abutting waveguide sections wherein said waveguide interface acts as both a mating surface and a precision alignment mechanism. The waveguide interface comprises a first member having a first waveguide defined therein, a second member having a second waveguide similar in cross-section to said first waveguide defined therein, a means for mating said first member and said second member comprising a centrally located precision mating surface through which propagates electromagnetic energy and additionally comprising at least one pair of diametrically opposed rotational alignment pins and holes located a specified distance from said centrally located precision-mating surface, and wherein said pins and holes are in mating relation of looser fitment than said centrally located precision mating surface. | 12-11-2008 |
20090058571 | Connector and waveguide assembly - A waveguide connector is provided. The connector includes a connecting portion having a plurality of conductive convex portions that are deformable by an external force. The convex portions are formed with a height and an interval less than ¼ wavelength of a propagating electrical wave to be propagated inside waveguides. | 03-05-2009 |
20090206961 | HIGH-FREQUENCY MEMBER ASSEMBLY WITH WAVEGUIDE - A high-frequency member assembly has two high-frequency members of which surfaces are attached to each other. Each member has a rectangular waveguide hole penetrating through the member and two choke grooves opened on the attaching surface. The waveguide holes communicate with each other to form a rectangular waveguide. An electromagnetic wave is transmitted through the waveguide. Each choke groove extends straight along a side of an end of the waveguide hole opened on the attaching surface to be away from the end of the waveguide hole by one quarter of the wavelength of the wave. The depth of each choke groove is equal to one quarter of the wavelength. The choke grooves of one member communicate with the choke grooves of the other member to substantially surround the waveguide with the choke grooves in an attaching area between the member. | 08-20-2009 |
20090219116 | Cable to waveguide transition apparatus having signal accumulation form of backshort and active phase shifting using the same - A cable to waveguide transition apparatus having a signal accumulation form of a backshort is disclosed. The cable to waveguide transition apparatus having a signal accumulation form of a backshort, includes: a waveguide; a RF probe for transferring a radio frequency (RF) signal to the waveguide; and a backshort having the signal accumulation form for reflecting the RF signal excited from the RF probe, wherein the backshort reflects a first fundamental frequency signal excited from the RF probe to have a phase identical to a phase of a second fundamental frequency signal excited from the RF probe to an aperture of the waveguide, and reflects a first 2-order harmonic frequency signal excited from the RF probe to have a phase reverse to a phase of a second 2-order harmonic frequency signal excited to an aperture of the waveguide in order to eliminate the 2-order harmonic frequency signal. | 09-03-2009 |
20090284333 | CIRCUIT COMPRISING TRANSMISSION LINES - In a circuit ( | 11-19-2009 |
20090309680 | WAVEGUIDE CONNECTION STRUCTURE - A rectangular conductor pattern is formed around a first waveguide on a multilayer dielectric substrate facing a metal substrate, with an end at about λ/4 away from a long side edge of the first waveguide, where λ is a free-space wavelength of a signal wave. A conductor opening is formed between the end of the conduction pattern and the long side edge of the first waveguide, with a length longer than a long side of the first waveguide and shorter than about λ. A closed-ended dielectric transmission path is formed in the multilayer dielectric substrate in the layer direction, with a length of about λg/4, where λg is an in-substrate effective wavelength of the signal wave. | 12-17-2009 |
20100148892 | ANTENNA DEVICE AND TRANSFORMER - A transformer between waveguide and transmission-line includes a high-frequency circuit module, transmission-lines, a waveguide, and feed pins. The high-frequency circuit module has differential-pair terminals to input and output a differential signal. The transmission-lines are connected to the differential-pair terminals. The waveguide includes a first to third metal walls. The feed pins are connected to the transmission-lines inside of the waveguide. The feed pins have a first distance of approximately (λg/2) from each other. One of the feed pins has a second distance of approximately (λg*(1+2 α)/4) from the third metal plane. “λg” is a wavelength in the waveguide and “α” is an integer which is equal or larger than “0”. Each of the feed pins has a third distance of approximately (a/2) from the first or second wall. “a” is length of the waveguide along the third metal wall. | 06-17-2010 |
20100164655 | HEAT INSULATING TRANSMISSION LINE, VACUUM INSULATING CHAMBER, WIRELESS COMMUNICATION SYSTEM - A heat insulating transmission line includes a first waveguide with a first aperture end, a second waveguide with a second aperture end, and a reflector. The second waveguide is arranged coaxially with the first waveguide. The second aperture end faces the first aperture end through an air gap. The reflector is provided outside the air gap, and controls radiation power from the air gap. In addition, the reflector is substantially parallel to a portion of a virtual plane connecting an inner wall of the first aperture end of the first waveguide and an inner wall of the second aperture end of the second waveguide. When a mean frequency of a signal transmitting through the heat insulating transmission line is expressed as λ, a distance between the virtual surface and the reflector is not less than N×λ/2−0.05λ and not more than N×λ/2+0.2λ (N is a positive integer). | 07-01-2010 |
20100231332 | High-Frequency Module and Wiring Board - A high-frequency module has a wiring board including a dielectric substrate, a line conductor that is formed on a first surface of the dielectric substrate, and a first grounding conductor layer that is formed on a second surface opposed to the first surface of the dielectric substrate, and that has a first opening and a second opening disposed around the first opening; and a waveguide that is connected to the second surface, has an opening opposed to the first opening, and is electromagnetically coupled to the line conductor. The wiring board has a vertical choke portion that at least partially extends from the second opening in a direction perpendicular to the second surface. Furthermore, a horizontal choke portion is formed between the wiring board and the waveguide, along the second surface between the opening of the waveguide and the second opening. | 09-16-2010 |
20100253451 | ELECTROLYTIC CORROSION PREVENTION STRUCTURE AND WAVEGUIDE CONNECTION STRUCTURE - An electrolytic corrosion prevention structure at a flange connection part in which the occurrence of an electrolytic corrosion is suppressed without increasing the number of the airtight and/or watertight parts and that can be easily processed is provided.
| 10-07-2010 |
20100289602 | WAVEGUIDE TRANSITION ARRANGEMENT - The present invention relates to a transition arrangement comprising a first surface-mountable waveguide part ( | 11-18-2010 |
20100308942 | RF SYSTEM CONCEPT FOR VEHICULAR RADAR HAVING SEVERAL BEAMS - A transceiver ( | 12-09-2010 |
20100321136 | WAVEGUIDE TRANSITION ARRAGEMENT - The present invention relates to a transition arrangement comprising a first surface-mountable waveguide part ( | 12-23-2010 |
20110156844 | WAVEGUIDE, WAVEGUIDE CONNECTION STRUCTURE AND WAVEGUIDE CONNECTION METHOD - A waveguide includes: a first tubular waveguide path that transmits electromagnetic waves having a predetermined wavelength; and a stub that is formed such that a depth thereof becomes a quarter of the predetermined wavelength, an open end of the stub making internal contact with a contour line, and the contour line being spaced apart from an inner wall part of one end of the first tubular waveguide path in a radially outward direction by only a quarter of the predetermined wavelength. | 06-30-2011 |
20110187482 | WAVEGUIDE CONNECTION STRUCTURE - A choke structure including: an inside surface conductive pattern formed in the surrounding of a through hole on the surface of a dielectric substrate opposing a waveguide substrate; an outside surface conductive pattern formed in the surrounding of the inside surface conductive pattern positioned apart therefrom; a conductor opening provided between the inside surface conductive pattern and the outside surface conductive pattern and in which a dielectric member is exposed; a dielectric transmission path short-circuited at an end that is formed by an inner layer conductor, which is provided away from the conductor opening by a predetermined distance in the layer-stacking direction of the dielectric substrate; and a plurality of penetrating conductors, which connect the inner layer conductor to the inside surface conductive pattern. | 08-04-2011 |
20110241805 | WAVEGUIDE CONNECTION BETWEEN A MULTILAYER WAVEGUIDE SUBSTRATE AND A METAL WAVEGUIDE SUBSTRATE INCLUDING A CHOKE STRUCTURE IN THE MULTILAYER WAVEGUIDE - A rectangular conductor pattern is formed around a first waveguide on a multilayer dielectric substrate facing a metal substrate, with an end at about λ/4 away from a long side edge of the first waveguide, where μ is a free-space wavelength of a signal wave. A conductor opening is formed between the end of the conduction pattern and the long side edge of the first waveguide, with a length longer than a long side of the first waveguide and shorter than about λ. A closed-ended dielectric transmission path is formed in the multilayer dielectric substrate in the layer direction, with a length of about λg/4, where λg is an in-substrate effective wavelength of the signal wave. | 10-06-2011 |
20130120088 | METAL WAVEGUIDE TO LAMINATED WAVEGUIDE TRANSITION APPARATUS AND METHODS THEREOF - Disclosed is a transition apparatus for transitioning wide frequency band electromagnetic waves between the metal waveguide and the laminated waveguide. The transition apparatus includes a top conductive layer, a bottom conductive layer, a conductive wall, and a transition interior. The conductive wall is formed along a substrate of the laminated waveguide and electrically connected the top conductive layer and the bottom conductive layer. The transition interior is defined by the top conductive layer, the bottom conductive layer, and the conductive wall. The conductive wall further comprises a plurality of stubs extending from an inner side of the wall into the transition interior, the plurality of stubs divide the transition interior into three or more resonator cavities for transitioning wide frequency band electromagnetic waves between the metal waveguide and the laminated waveguide. | 05-16-2013 |
20130120089 | Antenna Adapter - An antenna adapter, for an antenna with a recessed adapter seat with a feed bore is provided as a base with a feed aperture, the base dimensioned to seat within the adapter seat, the feed aperture aligned coaxial with the feed bore. The base may be provided with interlock cavities dimensioned to receive retaining elements of the adapter seat as the base is inserted into the adapter seat, retaining the base within the adapter seat. The base may include a coupler cavity, coupling the feed aperture to two or more output ports. The coupler cavity may have sidewall slots. | 05-16-2013 |
20130265122 | HEAT INSULATING TRANSMISSION LINE, VACUUM INSULATING CHAMBER, WIRELESS COMMUNICATION SYSTEM - A heat insulating transmission line includes a first waveguide with a first aperture end, a second waveguide with a second aperture end, and a reflector. The second waveguide is arranged coaxially with the first waveguide. The second aperture end faces the first aperture end through an air gap. The reflector is provided outside the air gap, and controls radiation power from the air gap. In addition, the reflector is substantially parallel to a portion of a virtual plane connecting an inner wall of the first aperture end of the first waveguide and an inner wall of the second aperture end of the second waveguide. When a mean frequency of a signal transmitting through the heat insulating transmission line is expressed as λ, a distance between the virtual surface and the reflector is not less than N×λ/2−0.05λ and not more than N×λ/2+0.2λ (N is a positive integer). | 10-10-2013 |
20140077903 | ELECTROMAGNETIC INTERFACE USING INDIRECT COMPRESSION FORCE - In an example embodiment, an electromagnetic interface can comprise: a first component comprising a first waveguide channel, a first interface surface, and a first force transfer feature; a second component comprising a second waveguide channel, a second interface surface, and a second force transfer feature; and a fastener that can be configured to force the first force transfer feature in sliding engagement with the second force transfer feature. The first and second force transfer features can be configured to interoperate to create an indirect force holding the first interface surface in contact with the second interface surface and holding the first waveguide channel in alignment with the second waveguide channel. | 03-20-2014 |
20140197908 | POLARIZATION COUPLER - A polarization coupler includes: connector waveguide that connects circular waveguide with quadrangular waveguide arranged in an axial direction of circular waveguide and having short side shorter than an inner diameter of circular waveguide; flat conductor wall formed over connector and circular waveguides, and dividing the inside of connector and circular waveguides arranged parallel to an extending direction of long side of quadrangular waveguide; first inclined surface formed on inner wall of connector waveguide at a position facing one surface of conductor wall, and inclined toward conductor wall as coming closer to quadrangular waveguide; second inclined surface formed on the inner wall of connector waveguide at a position facing the other surface of conductor wall, and inclined toward conductor wall as coming closer to quadrangular waveguide; and coupling hole, formed in circular waveguide, for extracting one polarization-divided by conductor wall out of electromagnetic waves propagated through circular waveguide. | 07-17-2014 |
20140285292 | Dielectric Waveguide with Corner Shielding - A dielectric wave guide (DWG) has a longitudinal dielectric core member. The core member has a first dielectric constant value. A cladding surrounds the dielectric core member and has a second dielectric constant value that is lower than the first dielectric constant. A portion of the DWG is configured as a corner having a radius. A conductive layer formed on an outer radius of the corner. | 09-25-2014 |
20140285293 | Dielectric Waveguide with RJ45 Connector - A communication cable includes a dielectric wave guide (DWG) that has a dielectric core member that has a first dielectric constant value and a cladding surrounding the dielectric core member that has a second dielectric constant value that is lower than the first dielectric constant. An RJ45 compatible connector is attached to a mating end of the DWG. The RJ45 connector is configured to retain a complimentary coupling mechanism on a mating end of a second DWG. | 09-25-2014 |
20140361857 | SYSTEMS AND METHODS OF WAVEGUIDE ASSEMBLY - Various embodiments provide for waveguide assemblies which may be utilized in wireless communication systems. Various embodiments may allow for waveguide assemblies to be assembled using tools and methodologies that are simpler than the conventional alternatives. Some embodiments provide for a waveguide assembly that comprises a straight tubular portion configured to be shortened, using simple techniques and tools, in order to fit into a waveguide assembly. For instance, for some embodiments, the waveguide assembly may be configured such that the straight portion can be shortened, at a cross section of the portion, using a basic cutting tool, such a hacksaw. In some embodiments, the straight portion may be further configured such that regardless of whether the straight tubular portion is shortened, the waveguide assembly remains capable of coupling to flanges, which facilitate coupling the straight tubular portion to connectable assemblies, such as other waveguide assemblies, radio equipment, or antennas. | 12-11-2014 |
20150303541 | BOARD CONNECTION STRUCTURE - A board connection structure includes an opening, which is formed at an edge of a waveguide in a first board, and an opening, which is formed at an edge of a waveguide in a second board. The openings are connected to each other. The first board and the second board are connected with an insulation film disposed therebetween. The insulation film has a thickness of 60% or less of a waveguide width that determines a propagation mode in at least one of the waveguide in the first board and the waveguide in the second board. | 10-22-2015 |
20160164154 | High Frequency Signal Feed Through - A high frequency signal feed through by which the ends of an input side coaxial cable and an output side coaxial cable, to be connected to each other, each comprising an interior conductor and an exterior conductor surrounding the interior conductor, are coupled to each other, showing a housing, a preferably pressure-resistant signal feed through arranged in the housing for the interior conductor, with the interior conductor being coupled at a conductive structure, arranged preferably centrally in the housing and capable of handling high frequencies, with at least one element for the galvanic separation being arranged between an input side and an output side, with the housing showing the structure for the galvanically separated coupling of the exterior conductor. | 06-09-2016 |
20160172735 | COAX-WAVEGUIDE ADAPTER | 06-16-2016 |
20160205768 | PRINTED BOARD AND METHOD FOR MOUNTING ON PRINTED BOARD | 07-14-2016 |
333255000 | Quick disconnect | 2 |
20080315979 | WAVEGUIDE QUICK DISCONNECT CLAMP - A waveguide quick disconnect clamp includes a first arm and a second arm, both arms having a first end, a second end, and a jaw pivotally connected to the second end. Each of the first and second arm jaws has a generally flat engaging face defining two generally parallel elongated sections and a waveguide receiving recess therebetween. The second arm second end is pivotally connected to the first arm at a position intermediate the first arm first and second ends, and a threaded nut is pivotally connected to the first arm first end. The waveguide quick disconnect clamp also has an adjustment screw having a first end, a second end, and a threaded portion therebetween. The adjustment screw first end pivotally engages the second arm at a point intermediate the second arm first and second ends, and the threaded portion of the screw engages the threaded nut. | 12-25-2008 |
20130342288 | Self Keying and Orientation System for a Repeatable Waveguide Calibration and Connection - The self-keying waveguide interconnection system for repeatable waveguide calibration and connection comprises a plug with a centrally disposed aperture, a jack provided with a counterbore to accept a plug diameter. The jack includes a plurality of self-keying channels. A shim having a shape complementary to the plurality of self keying thru slots has a plurality of self keying thru slots for aligning the centrally disposed aperture of the plug to the centrally disposed aperture of the jack. The system identifies the orientation and flange face polarity of the line or adapter without the use of alignment pins as two or more of these independent waveguide interfaces are coupled. In use, the device functions as a self-keying shim/spacer/adapter for a calibration kit or adapter in waveguide sections. | 12-26-2013 |
333256000 | Movable | 5 |
20120092093 | SIGNAL TRANSMISSION APPARATUS AND DISPLAY APPARATUS - The present disclosure provides a signal transmission apparatus for transmitting a signal to a signal processing section provided inside a rotated rotary body, the signal transmission apparatus including: a waveguide tube provided on the rotating shaft of the rotary body; a signal transmitting section provided outside the rotary body to serve as a section for transmitting the signal through the waveguide tube; a signal receiving section provided inside the rotary body to serve as a section for receiving the signal transmitted by the signal transmitting section through the waveguide tube and supplying the signal to the signal processing section; a slip ring rotated along with the rotary body around the waveguide tube serving as a rotation axis; and a power supplying section provided outside the rotary body to serve as a section for supplying power to the signal processing section through the slip ring. | 04-19-2012 |
20130207748 | POWER DUAL-BAND ROTARY JOINT OPERATING ON TWO DIFFERENT BANDS - A power dual-band rotary joint simultaneously operating on two frequency bands. A and is made up of a couple of transducers, each between two rectangular waveguides, respectively operating, on bands A and B, and a nested coaxial waveguide. The nested coaxial waveguide is made up of two concentric cylindric waveguides. The transducers are conceived in such a way that only modes with azimuthal symmetry are excited. The nested coaxial waveguide dimensions are chosen so that, on band B, the TM01 mode can propagate in the circular waveguide delimited by the internal surface of the smaller cylinder. The external surface of the smaller cylinder is the internal conductor of the coaxial working on band A, while the internal surface of the bigger cylinder is the external conductor of the same coaxial. The two transducers are connected through the nested waveguide. | 08-15-2013 |
20140285294 | Retractable Dielectric Waveguide - A rotatable coupler for dielectric wave guides is described. A first dielectric wave guide (DWG) has an interface surface at a one end of the DWG. A second DWG has a matching interface surface at an end of the second DWG. A rotatable coupling mechanism is coupled to the two DWG ends and is configured to hold the interface surface of the first DWG in axial alignment with the interface surface of the second DWG while allowing the interface surface of the first DWG to rotate axially with respect to the interface surface of the second DWG. | 09-25-2014 |
333257000 | In line | 2 |
20120242428 | ROTARY JOINT FOR JOINING TWO WAVEGUIDES - The present invention relates to a rotary joint for joining two waveguides for guiding electromagnetic waves, comprising a first portion adapted to receive a first waveguide, a second portion adapted to receive a second waveguide, and a third portion adapted for polarization rotation and arranged between the first portion and the second portion. The rotary joint is configured such that two portions selected from the group comprising the first portion, the second portion and the third portion are rotatable between at least two different angular positions around a central axis. Further, the rotary joint being configured to switch between a jointed state, in which the portions contact each other for electrical connection, and a non-jointed state. The present invention also relates to a method of operating such a rotary joint and a computer program and a computer readable non-transitory medium for implementing such a method. | 09-27-2012 |
20150130565 | ULTRA-COMPACT LOW-COST MICROWAVE ROTARY JOINT - A waveguide rotary joint includes a first waveguide portion for receiving a microwave signal, a second waveguide portion for outputting the received microwave signal, and a conductive pin including a first end and a second end distal from the first end, the first end arranged in and RF coupled to the first waveguide, and the second end arranged in and RF coupled to the second waveguide, and a choke cavity is arranged between the first waveguide portion and the second waveguide portion. The first waveguide and the second waveguide are rotatable relative to each other about a longitudinal axis of the conductive pin. | 05-14-2015 |