Matches 151 - 200 out of 499 < 1 2 3 4 5 6 7 8 9 10 >
Match Document Document Title
6262639 Bandpass filter with dielectric resonators  
The bandpass filter according to the present invention includes a housing having a plurality of cavities, wherein said plurality of cavities are isolated from each other by partitions and wherein...
6255920 Low-pass filter  
A low-pass filter includes metal stub conductors mounted on a signal conductor at midpoints of adjacent high impedance sections of the signal conductor. The metal stub conductors prevent the...
6255917 Filter with stepped impedance resonators and method of making the filter  
A filter including first and second resonators and a coaxial cable connecting the resonators. Also, a filter including a housing and stepped impedance resonators wherein the high impedance portions...
6246303 Dielectric filter  
A block type dielectric filter including a dielectric block and a plurality of through holes wherein a resonance frequency at individual resonating portions can be set at a specific value even when...
6243564 Dielectric filter having coupling windows between resonators, and transceiver using the dielectric filter  
A dielectric filter in which both the resonant frequency of each resonator and the degree of coupling between resonators can be adjusted independently. The dielectric filter includes at least first...
6235341 Method of preparing a high frequency dielectric filter device using screen printing  
A high frequency dielectric filter device having a plurality of coaxial dielectric resonators arranged in parallel with each other wherein a portion having no conductor layer is formed on an outer...
6236290 Multilayer filter  
Input-output terminal electrodes 3 and 4 are overlaid in both respective edge faces of the multilayer body 1 of a multilayer filter. Ground electrodes 5 and 5 are overlaid on both respective sides...
6236288 Dielectric filter having at least one stepped resonator hole with a recessed or protruding portion, the stepped resonator hole extending from a mounting surface  
A dielectric filter (10, 20) is provided with resonator holes 11a and 11b, and the resonator holes 11a and 11b have large-sectional area portions 12a and 12b and small-sectional area portions 13a...
6236572 Controlled impedance bus and method for a computer system  
A multi-layer circuit substrate having an integral bus portion includes a dielectric substrate having a first device signal layer formed on a first side thereof and a second device signal layer...
6232851 Coupling structure for cavity resonators  
A resonator filter comprising a housing formed with a conductive material. The housing defines a first cavity, a second cavity, and an intermediate wall positioned between the first and second...
6229410 Integral dielectric filter  
An integral type dielectric filter is disclosed, in which the insertion loss is minimized, and the damping characteristics desired by the user are satisfied. The dielectric filter includes a...
6222432 Quarter-wave coaxial cavity resonator  
In a quarter-wave coaxial cavity resonator, having a cavity with a cylinder inner wall (1), and bottom (3) and top (4) walls and a symmetry axis (2) with a resonator bar (5), a high coupling degree...
6222431 Balanced dielectric filter  
The present invention relates to a balanced dielectric filter used in high-frequency circuits, such as those used for radio apparatuses, and provides a balanced dielectric filter having balanced...
6215376 Filter construction and oscillator for frequencies of several gigahertz  
A radio-frequency filter (400, 500, 600) comprises a base plate (401, 603) and an electrically conductive ground plane in connection with it, a predetermined number of inner conductors...
6207906 PCB having holes between terminals and method of making the same  
A printed circuit board (PCB) for mounting a dielectric radio frequency (RF) band pass filter (BPF) thereon, and a method of making the same, is provided. The filter has an input terminal, an...
6204738 Dielectric filter, dielectric duplexer, mounting structure thereof, and communication device  
The invention provides a dielectric filter, comprising: a dielectric block including a first surface and a second surface opposite to each other; a resonator hole extending between the first...
6191668 Coaxial resonator and dielectric filter using the same  
A coaxial resonator according to the present invention has an outer conductor on an outer peripheral surface of a dielectric block having at least four side surfaces and having a through hole...
6188299 Dielectric filter and method of manufacturing the same  
A dielectric filter device comprising a resonator body formed by arranging a plurality of resonators in parallel in a same direction and a laminated circuit arrangement to be bonded to an...
6184759 Dielectric filter having inductive coupling windows between resonators, and transceiver using the dielectric filter  
A dielectric filter includes a first dielectric block having a through bore, substantially all of the surface area of the first dielectric block being covered with a conductive film to define a...
6181223 Dielectric duplexer device  
A dielectric duplexer device comprises a dielectric duplexer including a plurality of resonators arranged in parallel along a same direction, and a coupling circuit coupled to related ones of the...
6177852 Dielectric filter, dielectric duplexer, and transceiver  
The present invention provides a dielectric filter and a dielectric duplexer, each including a plurality of dielectric resonators. The dielectric filter and the dielectric duplexer each comprising:...
6169464 Dielectric filter  
A dielectric filter is disclosed in which an open area without being spread with a conductive material is formed on the rear face of a dielectric block with a conductive material spread thereon,...
6169465 Duplexer dielectric filter  
A duplexer dielectric filter comprises a dielectric block, a first filtering area including resonators having resonant holes disposed to pass through first and second surfaces of the dielectric...
6163237 Dielectric filter and dielectric duplexer  
The invention provides a dielectric filter, comprising: a dielectric block having substantially rectangular shape, said dielectric block including a first and a second opposed to each other and a...
6150905 Dielectric filter with through-hole having large and small diameter portions and a coupling adjustment portion  
On the internal surface of each of the through-holes formed in a dielectric block, an internal conductor is formed, while on the external surface except the top surface, an external conductor is...
6150906 HF filter using resonators having convex-concave structure  
An HF filter using resonators of a convex-concave structure is capable of easily inserting a serial or parallel capacitance inside the resonators for the sake of a characteristic improvement of...
6137382 Dielectric duplexer and a communication device including such dielectric duplexer  
Antenna side through-holes pass through to the internal surfaces of neighboring resonator holes from an antenna side electrode. The antenna side through-holes (transverse holes) have their axes in...
6122489 Dielectric filter having capacitive coupling windows between resonators, and transceiver using the dielectric filter  
A dielectric filter in which the resonant frequency of each resonator and the degree of coupling between resonators can be adjusted independently. The dielectric filter includes first and second...
6111482 Dielectric variable-frequency filter having a variable capacitance connected to a resonator  
A dielectric resonator 5 is electrically connected to an input terminal 1 through a coupling capacitor C1. A dielectric resonator 6 is electrically connected to an output terminal 2 through a...
6097270 Coaxial dielectric filter  
A coaxial dielectric filter comprising a straight cutoff waveguide, at least two coaxial dielectric resonators disposed coaxially or substantially coaxially and at an interval in the cutoff...
6087911 Dielectric filter, duplexer, and communication system  
The invention provides a dielectric filter, comprising: a dielectric block having a first end surface and a second end surface opposite to said first end surface; a plurality of resonator holes...
6087910 Dielectric filter having stepped resonators with non-conductive gap  
Dielectric resonator wherein an internal conductor non-formed portion is provided near one open face of the internal conductor formed holes, and signal input, output electrodes are provided on one...
6087909 Dielectric filter having at least one stepped resonator hole with an elongated cross-section  
A dielectric filter and a dielectric duplexer having a dielectric block with resonator holes formed therein, each having a large-sectional-area portion and a small-sectional-area portion so that...
6078231 High frequency filter with a dielectric board element to provide electromagnetic couplings  
A coaxial resonator filter (1', 50, 50', 50") comprises a dielectric boardlike element (11, 51, 51") and on its surface at least one electrically conductive element (17, 19, 20, 21, 52) to provide...
6075975 Dielectric filter having pairs of capacitive coupling windows between resonators and transceiver using the dielectric filter  
A dielectric filter includes a plurality of dielectric blocks, each having a resonator therein, in which both the resonant frequency of each resonator and the degree of coupling between adjacent...
6072376 Filter with low-noise amplifier  
A filter with a low-noise amplifier includes: two amplification circuits, a first 3-dB hybrid circuit which is connected to an input side of the amplification circuits, a second 3-dB hybrid circuit...
6069542 Dielectric filter having resonator electrodes, shield electrodes, and coupling electrodes disposed within a dielectric body  
Grooves are formed on the connection faces of the dielectric basic plates as a dielectric resonator, and also, an internal conductor is provided on the inside face, and coupling electrodes are...
6064283 Dielectric filter  
An Ag electrode coated all over the surface of a dielectric block by dipping is partially abraded off for formation of input-output terminal electrodes. Post-firing deformation of the dielectric...
6060965 Dielectric resonator and filter including capacitor electrodes on a non-conductive surface  
A dielectric resonator includes a dielectric block having an open surface at one of the surfaces thereof, the remaining surfaces being plated with a conductor. The dielectric block has an inner...
6060967 Surface mount filter with dielectric block through holes connected to striplines grounded by capacitors  
Using a conventional surface mount filter, it is difficult to miniaturize as the filter characteristics, especially a harmonic rejection characteristic at a fundamental frequency is made favorable,...
6057746 Dielectric duplexer unit with LC coupling circuit laminate  
A dielectric duplexer unit which is compact and can be manufactured in a simple way, and includes a dielectric duplexer having a plurality of resonators and a circuit laminate formed by...
6054909 Microwave filter with U-type resonator  
The present invention relates to a microwave filter, having U-type resonators, which passes a desired frequency signal and removes an undesired frequency signal when used in a high frequency...
6054910 Dielectric filter having an inner conductor with two open-circuited inner ends  
A dielectric filter comprising: a dielectric block including a first elongated sub-block and a second elongated sub-block each having a corresponding pair of longitudinally opposing end faces, and...
6052040 Dielectric duplexer with different capacitive coupling between antenna pad and transmitting and receiving sections  
A compact and highly effective dielectric duplexer comprises a dielectric ceramic block and a plurality of resonators arranged in a direction in the dielectric ceramic block, a half of the...
6034579 Dielectric filter of the band elimination type  
A dielectric filter is formed by a plurality of resonator holes which are formed in a single dielectric block in such a manner that they extend in a direction between an open-circuited end surface...
6025764 Input coupling adjustment arrangement for radio frequency filters  
An arrangement for adjustably coupling a radio frequency input port to a resonator element of the filter. The arrangement comprises a resilient conductor (19) which extends from the input port (15)...
6023207 Dielectric filter and method for adjusting resonance frequency of the same  
A dielectric filter having a plurality of dielectric coaxial resonators provided on a dielectric ceramic block, which is capable of equalizing the resonance frequencies of all the dielectric...
6023208 Dielectric filter  
A dielectric filter, includes a dielectric block including a plurality of elongated sub-blocks each having a pair of longitudinally opposing end faces and an outer surface, said sub-blocks being...
6023201 Electrical signal transmission device protected against electromagnetic interference  
An electrical signal transmission device includes a core and an outer conductor separated by a dielectric. To eliminate external radiated interference, for which the device behaves like a receiving...
6014067 Dielectric resonator filter having a portion of the outer surface closer to the resonators  
Dielectric resonator wherein an internal conductor non-formed portion is provided near one open face of the internal conductor formed holes, and signal input, output electrodes are provided on one...
Matches 151 - 200 out of 499 < 1 2 3 4 5 6 7 8 9 10 >