An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.
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| Number | Title | Issue Date |
| 8031036 | Dielectric resonator and filter with low permittivity material A resonator cavity for supporting a plurality of resonant modes and filtering electromagnetic energy includes a cavity and a resonator element with a mounting flange. The cavity is defined by a top end wall, a bottom end wall and a sidewall and has a longitudinal ax... | 10/04/2011 |
| 7843288 | Apparatus and system for transmitting power wirelessly An apparatus for transmitting power wirelessly is provided. The apparatus comprises: a dielectric resonator which generates evanescent waves in a predetermined direction in order to transmit power; and a loop antenna which is coupled to a surface of the dielectric r... | 11/30/2010 |
| 7605678 | Multiple-mode dielectric resonator, dielectric filter, and communication device A multiple-mode dielectric resonator in which a through hole is formed in a substantially cubic dielectric core so as to pass through opposing surfaces thereof. A conductive support bar is inserted into the through hole. Both ends of the support bar are secured to a... | 10/20/2009 |
| 7541897 | Dielectric resonator, voltage-controlled oscillator, and wireless apparatus A dielectric resonator having a line pattern that includes an electrode gap that defines a signal input/output portion provided on an open side, and a ground portion provided on a short-circuited side. The length L in a main direction of a portion of the line patter... | 06/02/2009 |
| 7417518 | Dielectric resonator A dielectric resonator is disclosed. In one embodiment, the resonator includes i) a conductive case having a plurality of walls which together define an inner space, ii) a substrate placed at the bottom of the conductive case, and iii) a cylindrical dielectric reson... | 08/26/2008 |
| 7403085 | RF module The present invention provides an RF module capable of outputting balanced electromagnetic waves without requiring adjustment and easily realizing miniaturization. The RF module includes: a waveguide (3) having an area which is surrounded by a pair of ground ... | 07/22/2008 |
| 7397332 | High-frequency dielectric ceramic composition, dielectric resonator, dielectric filter, dielectric duplexer, and communication apparatus A high-frequency dielectric ceramic composition that has excellent dielectric properties, such as a large εr, a large Q-value, and a small absolute value of τf, even in a high-frequency region, such as a microwave region or a millimeter wave ... | 07/08/2008 |
| 7394334 | Dielectric resonance apparatus, oscillation apparatus, and transmission/reception apparatus A substantially circular electrode 3 is arranged on a surface 2A of a dielectric substrate 2 of a TM010-mode resonator 1. A coupling line 5, which extends along a diameter of the substantially circular electrode 3, is arrang... | 07/01/2008 |
| 7388457 | Dielectric resonator with variable diameter through hole and filter with such dielectric resonators In accordance with the principles of the present invention, a dielectric resonator is provided with a longitudinal through hole with a diameter that varies as a function of height of the resonator so as to increase the frequency spacing between the fundamental mode ... | 06/17/2008 |
| 7378925 | Dielectric resonator, dielectric resonator frequency adjusting method, and dielectric resonator integrated circuit An oscillator comprising a dielectric resonator (DR) has a high controllability and reproducibility of coupling between the dielectric resonator (DR) and an oscillation circuit, and an integrated circuit is reduced in size. The dielectric resonator (DR) (1) i... | 05/27/2008 |
| 7352264 | Electronically tunable dielectric resonator circuits In order to permit electronic tuning of the frequency of a circuit including dielectric resonators, such as a dielectric resonator filter, tuning plates are employed adjacent the individual dielectric resonators. The tuning plates comprises two separate conductive p... | 04/01/2008 |
| 7352263 | Method and mechanism for tuning dielectric resonator circuits The invention comprises a technique and associated mechanisms by which dielectric resonator circuits, such as filters, can be tuned in both frequency, bandwidth or both without the need for irises, tuning screws and/or tuning plates. In accordance with the invention... | 04/01/2008 |
| 7342470 | Circuit board microwave filters A microwave filter has resonator comprised of a cylindrical structure having conductive walls filled with a dielectric material where the cylindrical structure is recessed inside a multi-layered substrate. First and second conductive coupling arms are disposed on a ... | 03/11/2008 |
| 7332987 | Multimode dielectric resonator device, dielectric filter, composite dielectric filter and communication apparatus Two TE modes whose electric-field rotating planes have a perpendicular relationship are coupled independently of the coupling between two TM modes whose electric-field directions have the same respective perpendicular relationships. In a multimode dielectric resonat... | 02/19/2008 |
| 7326667 | Microwave dielectric ceramic A dielectric ceramic material consisting essentially of a composition of Formula 1 xATiO3(1−x)NdzRe(1−z)AlO3 (1) doped with 0.005% to 5% of a dopant selected from the group consi... | 02/05/2008 |
| 7323954 | Dielectric ceramic filter with metal guide-can A dielectric ceramic filter with a metal guide can is provided. The dielectric ceramic filter includes a metal guide can coupled to and projecting from both input/output ends of the dielectric ceramic filter. Alternatively, the dielectric ceramic filter includes: a ... | 01/29/2008 |
| 7316517 | Binder with pull-out internal poster The present invention provides an incentive for buying a ring binder or a spiral notebook. The incentive is provided by having the binder or notebook include one or more internal folded sheets, preferably in the form of poster panels, which may be disposed within th... | 01/08/2008 |
| 7310031 | Dielectric resonators and circuits made therefrom A dielectric resonator having variable cross-section, preferably varying monotonically, and, most preferably, the resonator being in the shape of a truncated cone. Such shapes displace the H11 mode from the TE mode in the longitudinal direction of the con... | 12/18/2007 |
| 7307581 | Mounting structure of high-frequency semiconductor apparatus and its production method In a high-frequency circuit having a substrate having a high-frequency transmission line and an dielectric resonator formed on said substrate so that said dielectric resonator and said high-frequency transmission line may be coupled electro-magnetically to each othe... | 12/11/2007 |
| 7292112 | Whispering gallery oscillator There is disclosed a whispering gallery oscillator for producing a low noise microwave output signal. The whispering gallery oscillator comprises a dielectric resonator 1 comprising paramagnetic ions 34. A pump signal 5 is coupled by a coupler | 11/06/2007 |
| 7283022 | Dual mode ceramic filter A dual mode ceramic filter has an enclosure with two cavities separated by a wall, and two TM dual-mode resonators, each TM dual-mode resonator positioned in a corresponding cavity. Each TM dual-mode resonator has first and second modes, and a body having a central ... | 10/16/2007 |
| 7280009 | Radio frequency filter systems and methods Systems and methods are disclosed herein to provide filters for radio frequency applications. For example, in accordance with an embodiment of the present invention, a radio frequency filter includes a first dielectric layer having a first dielectric constant and a ... | 10/09/2007 |
| 7280010 | Dielectric resonator RF interconnect A RF interconnect comprising a dielectric resonator is disclosed. The dielectric resonator may be included in an interconnect housing. The dielectric resonator includes metalized side surfaces useful for securing the dielectric resonator in an aperture formed in the... | 10/09/2007 |
| 7276996 | Slotted dielectric resonators and circuits with slotted dielectric resonators In accordance with the principles of the present invention, a resonator puck is provided with one or more vertical and/or horizontal, radial slits that improve the quality factor, Q, of circuits constructed from the resonators. In some embodiments of the invention, ... | 10/02/2007 |
| 7274273 | Dielectric resonator device, dielectric filter, duplexer, and high-frequency communication apparatus Electrodes (2) and (3) are formed on the front face (1A) and the rear face (1B) of a dielectric substrate (1). Fan-shaped apertures (4A) and (4B) forming a resonator (4) are formed in the electrodes (2) ... | 09/25/2007 |
| 7271687 | Dielectric resonator having a non-uniform effective dielectric permittivity along an axis of tuner displacement The present invention relates to an improved tuning arrangement to linearise the sensitivity to frequency changes within a certain frequency range in response to tuner displacements relative to a resonator body. The tuning arrangement comprises a tuner and/or resona... | 09/18/2007 |
| 7272290 | Method for fabrication of optical element, and optical element having three-dimensional laminated structure A method for production of an optical element includes preparing a first member having formed on the surface of a first substrate 101 a first layer 103 by at least one of epitaxial growth and pore-making (micropore-making) and a second member having a ... | 09/18/2007 |
| 7268634 | Dual-mode voltage controlled oscillator using integrated variable inductors A novel form of an integrated variable inductor uses an on-chip transformer together with a variable capacitor. The variable capacitor can either be a varactor or a switched capacitor array and is connected to the secondary coil of the transformer. By changing the c... | 09/11/2007 |
| 7253708 | Radio frequency cavity resonatory with heat transport apparatus An RF cavity resonator that includes: a resonator chamber for containing an RF field; an RF coupling element coupled to the resonator chamber for introducing the RF field into and extracting the RF field from the resonator chamber; a tuning assembly for causing the ... | 08/07/2007 |
| 7248222 | High-frequency module A high-frequency module includes a stiffener (a support substrate), a resin base member of which one surface is fixed to the stiffener, a first conductive pattern formed on said one surface of the resin base member, a second conductive pattern formed on the other su... | 07/24/2007 |
| 7248129 | Microstrip directional coupler A microwave directional coupler includes a microstrip conductor formed on a dielectric substrate and forming a main transmission line having in and out ports that receive signals to be coupled. A substantially U-shaped microstrip conductor is formed over the dielect... | 07/24/2007 |
| 7227434 | Tuning screw assembly The present invention relates to a tuning screw assembly comprising a sleeve (100) with internal threads for engaging a tuning screw (200) having external threads. The sleeve comprises a first threaded portion (32) which is axially displaced in ... | 06/05/2007 |
| 7193489 | Radio frequency cavity resonator with heat transport apparatus An RF cavity resonator (400) that includes: a resonator chamber (410) for containing an RF field; an RF coupling element (450, 452) coupled to the resonator chamber for introducing the RF field into and extracting the RF field from the resonator... | 03/20/2007 |
| 7183881 | Cross-coupled dielectric resonator circuit A cross-coupled dielectric resonator circuit. Resonator circuits in accordance with the invention may be used to build low-loss compact filters, oscillators, and other circuits, particularly microwave circuits. The resonators are arranged relatively to each other wi... | 02/27/2007 |
| 7164905 | High frequency module Heretofore, a plurality of packages were used in a high frequency module in which a plurality of waveguide terminals were positioned resulting in problems, such as degradation of characteristics in the connection lines between packages, lower ease of assembly when m... | 01/16/2007 |
| 7148771 | Concentric, two stage coarse and fine tuning for ceramic resonators A resonator assembly is provided. The resonator assembly includes a conductive housing defining a cavity, and a resonator. The resonator is disposed within the cavity and has a longitudinal bore. A first tuning assembly has a longitudinal bore and is movably dispose... | 12/12/2006 |
| 7148762 | Method for adjusting a resonator in an oscillator A method for tuning a resonator in an oscillator is provided. A dielectric serving as a resonator in the oscillator is trimmed in a targeted manner by laser pulses until a target frequency for the resonator is reached. The lasers used may be excimer lasers or solid-... | 12/12/2006 |
| 7145404 | Injection locked high frequency oscillator A push-push high frequency oscillator comprises a pair of amplifiers for oscillation, a loop-shaped microstrip line for connecting inputs of the pair of amplifiers to each other and connecting outputs of the pair of amplifiers to each other, a slot line disposed bet... | 12/05/2006 |
| 7138891 | Dielectric resonator device, dielectric filter, composite dielectric filter, and communication apparatus In a dielectric resonator device, the outer shape of a support base is larger than the bottom surface of a dielectric core which is in contact with the support base, and the support base is fixed on the inner bottom surface of the cavity with support columns at the ... | 11/21/2006 |
| 7120409 | High frequency module and radio device using the same The high-frequency module of the present invention is formed of two sections: first high-frequency circuit 5 having a first filter circuit; and second high-frequency circuit 6 having a second filter circuit. At least any one of the two high-frequency c... | 10/10/2006 |