Patents
Sitemap › H01 - Basic electric elements › H01P - Waveguides; Resonators, lines or other devices of the waveguide type › H01P 1 - Auxiliary devices
Patents for H01P 1 - Auxiliary devices (25,484)
10/1998
10/29/1998WO1998048434A1 Three-way switch for protection of a power amplifier during antenna disconnection
10/29/1998WO1998032187A3 Design method for mode control devices
10/28/1998EP0874414A2 Dielectric filter, transmitting/receiving duplexer, and communication apparatus
10/28/1998EP0873979A1 Dielectric material and process for producing the same
10/28/1998EP0873599A1 Bypass device in an amplifier unit
10/28/1998CN1197305A Multiple-mode dielectric resonator and method of adjusting characteristic of resonator
10/28/1998CN1197304A Microwave component
10/27/1998US5828275 Dielectric filter including an adjusted inner electrode and a coupling electrode being level with an open end of a molded member
10/27/1998US5828271 Planar ferrite toroid microwave phase shifter
10/27/1998US5828268 Microwave switches and redundant switching systems
10/22/1998WO1998047331A1 Wiring board, wiring board fabrication method, and semiconductor package
10/22/1998WO1998047235A1 Power efficient indoor radio base station
10/21/1998EP0872890A1 High frequency module
10/20/1998US5825268 Device with a nonradiative dielectric waveguide
10/20/1998US5825267 Filter tuning assmebly
10/20/1998US5825264 Stripline laminate dielectric filter with input/output patterns overlapping resonator conductors
10/20/1998US5825263 Low radiation balanced microstrip bandpass filter
10/20/1998US5825259 Termination for two or more differential transmission lines
10/20/1998US5825227 Switching circuit at high frequency with low insertion loss
10/14/1998EP0871235A2 Microwave filter with coupling elements
10/14/1998CN1195903A Intersect-line apparatus
10/13/1998US5822684 Antenna switching circuit and wireless communication system
10/13/1998US5821837 Multi-mode cavity for waveguide filters
10/13/1998US5821836 Miniaturized filter assembly
10/13/1998US5821835 Dielectric filter and method of regulating its frequency bandwidth
10/13/1998US5821830 Non-reciprocal circuit element
10/13/1998US5821811 Bypass device in an amplifier unit
10/11/1998CA2231033A1 Microwave filter with coupling elements
10/11/1998CA2202457A1 Microwave phase shifter including a reflective phase shift stage and a frequency multiplication stage
10/07/1998EP0869611A1 Faster switching GaAs fet switches by illumination with high intensity light
10/07/1998EP0869573A2 Dielectric filter and communication apparatus using same
10/07/1998EP0869572A2 Dielectric filter, dielectric duplexer, and communication apparatus using the same
10/07/1998EP0868764A1 Low-cost communication phased-array antenna
10/07/1998EP0868763A1 Arrangements and method relating to switching/multiplexing
10/07/1998EP0868762A1 Arrangement and method relating to filtering of signals
10/07/1998EP0611487B1 High isolation switch
10/07/1998CN1195239A Transmitting-receiving converter
10/07/1998CN1195230A Filtering device
10/07/1998CN1195207A Antenna diplexer
10/06/1998US5818313 Multilayer lowpass filter with single point ground plane configuration
10/06/1998US5818312 Dielectric filter
10/06/1998US5818311 Dielectric filter including trimming electrodes
10/06/1998US5818309 Microwave active notch filter and operating method with photonic bandgap crystal feedback loop
10/06/1998US5818000 Three-way switch for protection of a power amplifier during antenna disconnection
10/06/1998CA2187829C Temperature compensated microwave filter
10/01/1998DE19752100C1 Compact and low-attenuation type directional microwave filter
09/1998
09/30/1998EP0867972A1 Aperture antenna and radar system using same
09/30/1998EP0867965A2 Dielectric resonator, dielectric filter, sharing device, and communication apparatus
09/30/1998EP0867964A1 Electrically switched multiport microwave launcher
09/29/1998US5815414 Electromagnetic field intensity calculating device
09/29/1998US5815057 Electronically controlled switching device
09/29/1998US5815056 Dielectric resonator having an elongated non-conductive resonator gaps and manufacturing method thereof
09/29/1998US5815052 High-frequency composite components comprising first and second circuits connected in parallel for multi-frequency systems
09/29/1998US5815049 Magnetic coupling of a waveguide switch to a coaxial switch
09/29/1998US5815048 Switchable duplex filter
09/29/1998CA2203444C Stripline coupling structure for high power hts filters
09/29/1998CA2054365C Tunable microstrip bandpass filter
09/24/1998WO1998042040A1 Cavity resonator structure having improved cavity arrangement
09/23/1998EP0866512A2 Microwave switch
09/23/1998CN2292330Y Band-pass diplexer composed of band-pass band-reject filter
09/23/1998CN1193824A Waveguide input apparatus of two orthogonally polarized waves including two probes attached to common board
09/22/1998US5812939 Switch semiconductor integrated circuit and communication terminal device
09/22/1998US5812040 Microwave vacuum window having wide bandwidth
09/22/1998US5812037 Stripline filter with capacitive coupling structures
09/22/1998US5812036 Dielectric filter having intrinsic inter-resonator coupling
09/22/1998US5812032 Stripline transition for twin toroid phase shifter
09/16/1998EP0865096A1 Passive cascaded low-pass and high-pass filter with variable attenuation
09/16/1998EP0865095A2 Antenna duplexer
09/16/1998EP0865094A2 Wave filter having two or more coaxial dielectric resonators in juxtaposition
09/16/1998EP0865093A1 Non-etched high power HTS circuits and method of construction thereof
09/16/1998CN1193198A Non-reciprocal circuit device
09/16/1998CN1193125A Optical wave-length filter and signal separator
09/15/1998US5808529 Printed circuit board layering configuration for very high bandwidth interconnect
09/15/1998US5808528 Broad-band tunable waveguide filter using etched septum discontinuities
09/15/1998US5808527 Tunable microwave network using microelectromechanical switches
09/15/1998US5808526 Comb-line filter
09/15/1998US5808525 Thin film chip of magnetic oxide garnet and magnetostatic surface wave device therewith
09/15/1998US5808523 High frequency filter including both dielectric and surface acoustic wave resonators
09/15/1998US5808520 Attenuating circuit using quarter-wave lines
09/15/1998US5808322 Faster switching GaAs FET switches by illumination with high intensity light
09/15/1998CA2142918C Microwave waveguide multiplexer
09/11/1998WO1998039931A2 Radio frequency switch assembly
09/11/1998WO1998039813A1 Comb-line filter
09/11/1998WO1998039812A1 A high frequency multi-port switching circuit
09/11/1998WO1998028813A3 Fixed tuneable loop
09/11/1998CA2251967A1 A high frequency multi-port switching circuit
09/09/1998EP0863569A2 Method for manufacturing dielectric filter
09/09/1998EP0863567A1 Dielectric duplexer
09/09/1998EP0863566A1 Dielectric filter, dielectric duplexer and method of manufacturing the same
09/09/1998EP0862796A2 Device for transmitting signals between moving parts
09/09/1998CN1192592A Polar dielectric filter and dielectric duplexer incorporating same
09/09/1998CN1039758C Branching filter for transmitter-receiver
09/09/1998CN1039757C Polarization separation device for microwave apparatus, and application thereof
09/08/1998US5805115 Rotary microwave antenna system
09/08/1998US5805035 Multi-mode cavity for waveguide filters, including an elliptical waveguide segment
09/08/1998US5805034 Microstrip patch filters
09/08/1998US5805033 Dielectric resonator loaded cavity filter coupling mechanisms
09/08/1998US5804534 Miniaturization; resonators; tuners; mode coupling
09/03/1998WO1998038690A1 Frequency signal equalizing device, specially for a satellite communications facility
09/03/1998CA2277996A1 Arrangement for the equalization of a frequency signal, for a satellite communication system in particular
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