| Patents for H01P 1 - Auxiliary devices (25,484) |
|---|
| 06/17/1999 | WO1999030383A2 Resonator structure |
| 06/17/1999 | WO1999030382A1 Irreversible circuit element |
| 06/17/1999 | WO1999021244A9 A frequency dependent resistive element |
| 06/17/1999 | WO1999018629A3 Microwave filter and method for fabricating microstrip band pass filter |
| 06/17/1999 | DE19857062A1 Dielectric filter manufacturing process |
| 06/16/1999 | EP0923151A1 Dielecrically loaded cavity resonator |
| 06/16/1999 | EP0923150A1 Collapsible pocket for changing the operating frequency of a microwave filter and a filter using the device |
| 06/16/1999 | EP0923149A1 Wave Filter having two or more coaxial dielectric resonators in juxtaposition |
| 06/16/1999 | EP0922336A1 Arrangement for reducing intermodulation distortion of radio frequency signals |
| 06/16/1999 | EP0922310A1 Summing network and stub |
| 06/16/1999 | CN1220031A Resonators for high power high temp. superconducting devices |
| 06/15/1999 | US5912798 For high frequency applications |
| 06/15/1999 | US5912603 Dielectric filter having a longitudinal through-hole and a transverse connection conductor |
| 06/15/1999 | US5912472 Switchable planar high frequency resonator and filter |
| 06/09/1999 | EP0921715A1 PCB for mounting RF band pass filter and method of manufacture |
| 06/09/1999 | EP0921591A1 Array antenna with switched distributed-constant phase-shifter |
| 06/09/1999 | EP0921588A1 Variable wideband microwave TT-arranged pin diode attenuator |
| 06/09/1999 | EP0921587A1 Microwave filter with a steep upper edge |
| 06/09/1999 | EP0921400A2 Terminal apparatus for electro-optic probe |
| 06/09/1999 | EP0852843B1 Waveguide oscillator |
| 06/09/1999 | CN2323470Y Radial waveguide and rectangular waveguide joint |
| 06/08/1999 | US5911116 Transmitting-receiving switch-over device complete with semiconductors |
| 06/03/1999 | WO1999027605A2 Waveguide filter |
| 06/03/1999 | WO1999027604A1 Low cost, one-shot switch waveguide window |
| 06/02/1999 | EP0920070A1 Directional filter |
| 06/02/1999 | EP0920069A1 Comb-line filter including distributed constant line |
| 06/02/1999 | EP0920068A2 Dielectric line switch and antenna device |
| 06/02/1999 | EP0920067A2 Microwave switch and method of operation thereof |
| 06/02/1999 | CA2254748A1 Waveguide phased array antenna apparatus |
| 06/01/1999 | US5909159 Aperture for coupling in an electromagnetic filter |
| 06/01/1999 | US5908811 High Tc superconducting ferroelectric tunable filters |
| 05/27/1999 | WO1999026333A2 Microelectro-mechanical system actuator device and reconfigurable circuits utilizing same |
| 05/27/1999 | WO1999026309A1 Monolithic high frequency antenna switch |
| 05/27/1999 | DE19853484A1 HF switching module, e.g. duplexer, for mobile communications |
| 05/27/1999 | DE19852042A1 High power dummy load production for wideband microwave testing e.g. of a transmitter |
| 05/26/1999 | EP0918365A2 Three dimensional microwave switches |
| 05/26/1999 | EP0918346A1 Switch for high frequency |
| 05/26/1999 | EP0918340A1 Chip bead element and manufacturing method thereof |
| 05/26/1999 | EP0917743A1 Compressible coaxial interconnection with integrated environmental seal |
| 05/25/1999 | US5907309 Dielectrically loaded wide band feed |
| 05/25/1999 | US5907266 Alignment tolerant overlay directional coupler |
| 05/25/1999 | CA2101344C Method and apparatus for adjusting the impedance of a microstrip transmission line |
| 05/19/1999 | EP0917238A1 Dielectric resonator, dielectric filter using the dielectric resonator and dielectric duplexer |
| 05/19/1999 | EP0917236A2 High-frequency transmission line, dielectric resonator, filter, duplexer, and communication device |
| 05/19/1999 | EP0917235A2 Laminated dielectric antenna duplexer |
| 05/19/1999 | EP0917234A2 Laminated dielectric filter |
| 05/19/1999 | EP0917233A2 Laminated dielectric filter |
| 05/19/1999 | EP0917232A2 Laminated dielectric filter |
| 05/19/1999 | EP0917231A2 Dielectric filter, dielectric duplexer, and communication device |
| 05/19/1999 | EP0917197A2 High-frequency integrated circuit and method for manufacturing the same |
| 05/19/1999 | EP0916185A1 Dual-band multilayer bandpass filter |
| 05/19/1999 | EP0916168A1 A phase control device |
| 05/19/1999 | EP0815611B1 Improved dual polarisation waveguide probe system |
| 05/19/1999 | EP0651916B1 Rf waveguide signal transition apparatus |
| 05/19/1999 | CN1217090A Dielectric resonator loaded cavity filter coupling mechanisms |
| 05/19/1999 | CN1216872A Nonreciprocal circuit device |
| 05/18/1999 | US5905420 Dielectric filter |
| 05/18/1999 | US5905417 Passive cascaded low-pass and high-pass filter with variable attenuation |
| 05/18/1999 | US5905416 Die-cast duplexer |
| 05/14/1999 | WO1999022564A2 Dielectric filter and method for adjusting bandpass characteristics of same |
| 05/12/1999 | EP0915530A2 Polarization selecting circuit |
| 05/12/1999 | EP0915527A2 Nonreciprocal circuit device |
| 05/12/1999 | EP0914688A1 Printed circuit board layering configuration for very high bandwidth interconnect |
| 05/12/1999 | CN1216410A Non-reciprocal circuit element |
| 05/11/1999 | US5903421 High-frequency composite part |
| 05/11/1999 | US5903198 Planar gyrator |
| 05/11/1999 | CA2253325A1 Microwave testing high-power dummy load forming method and microwave testing high-power dummy load apparatus |
| 05/11/1999 | CA2160186C Electromagnetic resonator |
| 05/11/1999 | CA2147864C Waveguide absorber |
| 05/06/1999 | WO1999022417A1 Duplexer with stepped impedance resonators |
| 05/06/1999 | EP0913878A1 EMP-arrester circuit |
| 05/06/1999 | DE19847663A1 Detector |
| 05/06/1999 | DE19818947C1 Bandpass filter |
| 05/05/1999 | CN1215932A Dielectric line switch and antenna device |
| 05/05/1999 | CN1043279C Electric filter |
| 05/04/1999 | US5900789 Irreversible circuit element |
| 05/04/1999 | US5900390 Single crystal ferroelectric rod whose permittivity is dependent on the electric field in which it is immersed. |
| 05/04/1999 | US5900308 Circuit with copper plating layer, dielectric substrate, gold conductors with undercoat; stable and reliable filtering characteristics; microwave receivers |
| 04/29/1999 | WO1999021244A1 A frequency dependent resistive element |
| 04/29/1999 | WO1999021243A1 Signal conduit between different temperature and pressure environments |
| 04/29/1999 | WO1999021193A1 Conductor paste and nonreversible circuit elements made by using the same |
| 04/29/1999 | CA2251402A1 Circuit with emp-charge-eliminator |
| 04/28/1999 | EP0911963A1 Microwave mixing circuitry and down-converter |
| 04/28/1999 | EP0911922A1 Laser resonator |
| 04/28/1999 | EP0910876A1 Monolithic filter |
| 04/28/1999 | EP0910875A1 Ceramic filter with a coplanar shield |
| 04/28/1999 | CN1215233A Antenna diplexer |
| 04/27/1999 | US5898349 Dielectric filter having a plurality of TM multi-mode dielectric resonators |
| 04/27/1999 | US5898346 Dual-band nonreversible circuit device comprising two nonreversible circuit elements contained in a single housing to be operable in different frequency bands |
| 04/22/1999 | WO1999019933A1 Composite resonator |
| 04/22/1999 | DE19742971A1 Streifenleitungsfilter Stripline filters |
| 04/21/1999 | EP0910132A2 Auto-acceleration system for prime mover of hydraulic construction machine and construction machine and control system for prime mover and hydraulic pump |
| 04/21/1999 | CN2315664Y Magnetic coupling driving microwave phase shift device |
| 04/21/1999 | CN1214556A High-frequency transmission line, dielectric resonator, filter, duplexer, and communication device |
| 04/20/1999 | US5896074 Dielectric filter |
| 04/20/1999 | US5896073 High frequency filter having a plurality of serially coupled first resonators and a second resonator |
| 04/20/1999 | US5895775 Microwave grating for dispersive delay lines having non-resonant stubs spaced along a transmission line |
| 04/15/1999 | WO1999018630A1 Slot line band pass filter |
| 04/15/1999 | WO1999018629A2 Microwave filter and method for fabricating microstrip band pass filter |
| 04/14/1999 | EP0907991A2 Radio frequency switch assembly |