Differential transmission line structure and wiring substrate A differential transmission line structure comprises an insulating layer, a grounded conductive layer laminated to the insulating layer, and a differential transmission line formed in the...
2
200610169915
Coaxial characteristic-impedance transformer A coaxial characteristic-impedance transformer for dividing RF power on a first terminal onto n second terminals situated in the same radial plane by multi-stage serial transformation via...
Balance to non-balance transducer with filter function The invention is concerned with the balance to unbalance transducer with filter function, includes: the unbalance single end outputting and inputting port, the first transmission line and...
5
200610098168
Laminated filter based on MEMS technology This invention discloses an overlay filter based on the MEMS technology in a distributed coupling line structure, in which, two earth surfaces are set above a first medium layer and under...
6
200610163108
Micro electromechanical system switch The invention a MEMS (micro electro mechanical system) switch, which includes a substrate; a fixed electrode formed on an upper side of the substrate; a signal line formed on both sides o...
H surface substrate integrated waveguide ring-shape bridge A ring type of bridge with waveguide integrated by H numbers of substrate is prepared as forming a ring waveguide structure by metalized through-holes being arranged in coaxial circle way...
11
200610149218
Multi-section coupler assembly A coupler assembly may include first and second electromagnetic couplers connected together. In some examples, the couplers may be connected in cascade configuration, with at least the se...
Plasma processing apparatus The purpose of the present invention is to provide homogeneous plasma in longitudinal direction of a plasma processing apparatus applicable to multiple processes. A microwave waveguide 10...
15
200610144503
Variable resonator The invention provides a variable resonator which has a wide range of frequency conversion and a low waste. A variable resonator has a dielectric substrate 2, an input/output line 3 forme...
16
200610138199
Self-supported strip line coupler The present invention disclosed a coupler assembly which has first and second conductors with first and second dielectric supports extending along a coupling section and supporting the fi...
17
200610097287
Substrate integrated waveguide comb-shaped power distributor The invention discloses a substrate integrated waveguide comb power distributor relating to millimeter wave and microwave devices, comprising a medium substrate equipped with metal patche...
18
200610097283
RF centre frequency adjustable filer The invention is a filter with adjustable central radio frequency, relating to radio frequency field and mobile communication field, where coupling screw rod is located between two adjace...
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 individu...
21
200610136642
Oscillator using tfms line Provided is an oscillator in which a resonator unit and an oscillator unit are coupled with each other using a thin film microstrip (TFMS) line to increase a line impedance and thus impro...
Microwave break down protecting method in wave guide The invention discloses a protecting method from microwave breakdown in the waveguide, which character is that a small hole is opened on the waveguide wall, and then an airtight stainless...
25
200610096791
Chebyshev filtering character frequency selecting surface The invention is a Chebyshew filter characteristic frequency selection surface, able to act as frequency range multiplexer applied to multifrequency antennas of satellites, radars and oth...
Bi-pass band frequency selective surface Frequency selection surface with dual band pass can be utilized as frequency range multiplexer to apply to antenna in multiple frequencies in comm. system of satellite, radar etc. identic...
28
200610137349
Dielectric device A dielectric device includes a dielectric substrate, a plurality of resonator units, and first and second terminals. The dielectric substrate has an external conductor film thereon. Each ...
29
200610096794
Quasi-elliptic filtering character frequency selecting surface The invention is a quasi-elliptic filter characteristic frequency selection surface, an ultrathin novel frequency selection surface with quasi-elliptic filter characteristic, based on sub...
BAW duplexer without phase shifter A duplexer for connection with an antenna comprises an antenna port, a transmitting filter comprising bulk acoustic wave (BAW) resonators having a first antenna side impedance coupled wit...
32
200610117045
Super wide band microstrip filter This invention relates to a super-wideband microband filter including: a positive part, a negative part and an input/output port, in which, the positive part includes: an interdigital cap...
33
200610096373
Half-modular substrate integral wave guide filter This invention relates to semi-mode base slice integration waveguide filter applied in microwave circuit design, which comprises base, metal sticking pad, metal hole, and tank beam, wher...
Electronic circuit having transmission line type noise filter A power supply circuit produces a supply voltage to be supplied to a microprocessor which is an integrated circuit. A transmission line type noise filter includes a signal input terminal,...
36
200610127456
Band-pass filter The present invention provides a band-pass filter having: a first substrate; a second substrate; an input line; an output line; a ground layer; and an electromagnetic wave absorptive laye...
37
200610139822
Dielectric device A dielectric device ensures easiness of manufacture and implements minisize by reducing resonance frequency. The first hole opens on a first surface of the dielectric substrate and extend...
Electric element and electric circuit Each of the plurality of conductive plates is formed on a principal surface of each of stacked dielectric layers. Side anode electrodes are connected to positive electrodes of conductive ...
41
200610126755
Coplanar resonator and filter using the same A coplanar resonator which is comprised of a dielectric substrate, a center conductor formed in the surface thereof, and a ground conductor formed so as to surround the same center conduc...
42
200610029435
Capacitive coupling device between medium loading chambers This invention relates to a capacitive coupling device between medium loaded cavities including a cavity filter, a capacitive coupling component, in which, there are medium resonators in ...
Three-D resonant cavity capable of reducing cut-off frequency This invention relates to a 3-D resonance cavity reducing the cut-off frequency including a metal wall closing to a cavity and medium in the cavity characterizing that: the surface of the...
45
200610029390
Super wide band plane microstrip filter This invention relates to a super broad band plane micro-strip filter including: a front part, a rear part and an input/output port, in which, the front part includes: interdigital capaci...
Laminated medium wave filter The invention relates to a laminated medium filter, which comprises medium layer, inner electrode and end electrode. Wherein, the inner electrode comprises inner electrode pattern of medi...
48
200610041057
Built-in cross coupling dielectric filter This invention discloses a built-in cross coupling medium filter including: at least three coaxial medium resonators welded orderly, in which, mutual coupled capacitors or inductors are s...
Hemi-membrane substrate integrated waveguide
The invention discloses a half-mold substrate integrated wave (HMSIW), whose two surfaces contains positive metal paster and back metal paster separately, wherein the rectangle wave (4) ...
54
200610100784
Multilayer band pass filter A filter comprises a band pass filter that may have a first resonator, a second resonator and a coupling between the first resonator and the second resonator. The coupling may be controll...
Ferrite housing for microwave devices
A ferrite housing is provided that includes a body for receiving at least one ferrite element therein and a plurality of mounting portions extending from and forming part of the body.
59
200610081386
Antenna feeder sharing method and system The invention relates to a common-feedback method and relative system, wherein said method comprises: a, sending signal via coupler to be coupled and transmitted to duplexer, to be transm...
60
200610061052
Wet process forming method of filter in laminated medium
Wet process forming method for laminated medium filter includes steps: flow-casting pulp of ceramics to produce lower end cover; putting Ag dots after fabricating leading-in ends of inne...
Microwave medium module
The invention relates to a microwave medium module used in mobile communication, satellite communication and military affairs, wherein said module comprises two duplexers (14, 15), shiel...
Bandpass wave filter and RF communication device using same
Disclosed is a bandpass filter comprising a first resonator 1 to a sixth resonator 6 having lengths of basically 1/4 wavelength, an input section IN connected to an ungrounded end of t...
Block filter
The present invention relates to a method of constructing a microwave filter (1, 10) comprising a plurality of coupled resonators (2) and to a microwave filter manufactured by the method...
RF sum-difference receiver
The receiver includes four pieces of sum-difference (SD) receiver. Each SD receiver includes sum-coupling piece, coupling window of difference signal, two input channels, difference chan...
72
200610075539
Branching filter and multiplex transceiver
Disclosed herein are branching filter suitable for connection with a transmission/reception integrated radio device, and a multiplex transceiver which utilizes the branching filter. A ba...
73
200610074716
Semiconductor device formed by using mems technique
A semiconductor device includes an elastic member, first and second electrodes, a piezoelectric actuator, and an electrostatic actuator. One end of the elastic member is fixed on a subst...
74
200610009918
Broadband sampling lower converter based on copolaner waveguide
Comparing with current transducer of using structural form of combining transmission lines in multiple plane and single plane, the disclosed transducer under broadband sampling overcomes...
Transmission line pair A transmission line pair includes a first transmission line, and a second transmission line arranged adjacent thereto so that a coupling line region with the first transmission line is fo...
80
200610071694
Microwave band-pass filter
The present invention relates to a microwave band-pass filter comprising a plurality of coupled resonators including at least one coaxial resonator (1). For suppression of higher order o...
Bias circuit
The present invention has for its object to provide a bias circuit capable of handling multiple frequency bands, which has a low number of parts and can be miniaturized. As a solving mea...
Tunable plasma resonant chamber
Being in use for machine tool of fabricating preformrod of PCVD optical fiber, the tunable resonant cavity of plasma includes columned body case of resonant cavity. Cut off waveguide is ...
Wireless system
A wireless system for use in a low power data communications in a sub-millimeter wave zone includes at least one wireless communications device including a directional antenna whose cros...
87
200680000137
Circuitry module A circuit assembly includes multiple substrate with a regions of embedded signal processing circuitry can be connected to a region of adjustable signal processing circuitry and a cavity f...
Matrix switch Four SP4T switches (31 to 34) are grouped into two pairs so as to constitute two switch pairs. Four first conductor wires (411 to 414, 421 to 424) are respectively arranged between the SP...
Substrate integrated waveguide single balance mixer
This invention discloses a chip integrated waveguide single-balance mixer including a 90deg. integrated waveguide directional coupler, a serial mixer tube pair is connected between the t...
95
200680000280
Nonreciprocal circuit device and communication apparatus An irreversible circuit element and a communication apparatus in which a DC magnetic field applied to ferrite can be held in an optimal constant state, influence of external magnetic fiel...
Balanced microwave cable adaptor
An adaptor includes a connector interface having a first coaxial structure with a first center pin configured to be coupled to a first center conductor of a first coaxial transmission li...
99
200610007665
Antenna apparatus of mobile communication termianl
The invention relates to an antenna device of mobile communication terminal, which can separate sending and received signals, even the mobile communication terminal is in shade area with...
