Patents for H01P 1 - Auxiliary devices (25,484)
01/1995
01/24/1995US5384558 Radio-frequency integrated circuit device having adjustable matching circuit
01/24/1995US5384557 Polarization separator and waveguide-microstrip line mode transformer for microwave apparatus
01/24/1995US5384556 Microwave circulator apparatus and method
01/24/1995CA2034994C Low loss 360 degree x-band analog phase shifter
01/19/1995DE4322992A1 Transmission and/or reception system with optimised polarisation conversion
01/17/1995US5382932 Electronic components and systems using coaxial cable
01/17/1995US5382931 Waveguide filters having a layered dielectric structure
01/17/1995US5382927 Band-pass filter having two looped-shaped electrodes
01/17/1995US5382926 Multiple bit loaded line phase shifter
01/12/1995WO1995001659A1 Non-reciprocal circuit element
01/12/1995WO1995001658A1 Tunable resonator for microwave oscillators and filters
01/11/1995EP0633621A1 Antenna-filter-combiner
01/10/1995US5381118 Dual-mode cavity filter having input and output coupling irises
01/10/1995US5380962 High-power RF switch
01/10/1995CA2037516C Modular resonant cavity, modular dielectric notch resonator and modular dielectric notch filter
01/10/1995CA2036108C Microwave coupling arrangement
01/05/1995DE4321056A1 Microwave circuit
01/04/1995EP0632525A1 Circular-to-linear polarized wave transducer integrated with a horn
01/04/1995EP0632516A1 Dielectric filter
01/04/1995CN1097082A Multi-plate type high frequency parallel strip-line cable comprising circuit device part integratedly formed in dielectric body of the cable
01/03/1995USH1408 Microwave circulator with a planar, biasing, permanent magnet
01/03/1995US5379354 Intensity dividing multimode wave guide device for producing intensity distribution maxima
01/03/1995US5379018 High temperature superconductor magnetic-switch
01/03/1995US5379012 Dielectric filter device
01/03/1995US5379011 Surface mount ceramic filter duplexer having reduced input/output coupling and adjustable high-side transmission zeroes
01/03/1995US5379009 Active-type band-pass filter
01/03/1995US5379007 Reflection phase shifter and multiple bit phase shifter
01/03/1995US5379004 High frequency-use non-reciprocal circuit element
12/1994
12/28/1994EP0423114B1 Microwave multiplexer with multimode filter
12/27/1994US5376908 Interdigital strip line filter having a plurality of different width resonant electrodes
12/27/1994US5376903 Method for the compression of pulses, notably in microwave transmission
12/27/1994US5376902 Interconnection structure for crosstalk reduction to improve off-chip selectivity
12/22/1994DE4315259C1 Contactless (non-contacting) rotary transmission coupling
12/21/1994EP0630067A1 Arrangement for the compensation of temperature-dependent volume changes of a waveguide
12/20/1994US5375257 Microwave switch
12/20/1994US5374938 Waveguide to microstrip conversion means in a satellite broadcasting adaptor
12/20/1994US5374911 Tandem cavity thermal compensation
12/20/1994US5374910 Dielectric filter having coupling means disposed on a laminated substrate
12/20/1994US5374909 Stripline filter having internal ground electrodes
12/20/1994US5374906 Filter device for transmitter-receiver antenna
12/18/1994CA2125817A1 Antenna switch circuit employing fets for reduced power consumption
12/15/1994DE4420060A1 Stripline filter
12/15/1994DE4319242A1 Keramikresonator für Mikrowellen-Keramikfilter Ceramic resonator for microwave ceramic filters
12/15/1994DE4319241A1 Monolithisches Mikrowellen-Keramikfilter Monolithic microwave ceramic filters
12/14/1994CN2185474Y High-frequency window for millimeter wave tube
12/13/1994US5373271 Dielectric filter having coupling electrodes for connecting resonator electrodes, and method of adjusting frequency characteristic of the filter
12/13/1994US5373270 Multi-cavity dielectric filter
12/08/1994WO1994028592A1 High tc superconductor/ferroelectric tunable microwave circuits
12/08/1994DE4318593A1 Cavity resonator
12/07/1994EP0627781A1 Passive filter and process for manufacturing such a filter
12/06/1994US5371482 Magnetostatic wave device containing acoustic wave absorbing layer
12/06/1994CA2042962C Orthomode transducer between a circular waveguide and a coaxial cable
12/01/1994DE4317856A1 Selector circuit
12/01/1994DE4317631A1 Waveguide band-rejection (band-stop) filter
11/1994
11/29/1994US5369383 Strip line filter having dual mode loop resonators
11/29/1994US5369381 Slow-wave transmission line of the microstrip type and circuit including such a line
11/24/1994WO1994027376A1 Tunable filter circuit and method therefor
11/24/1994DE4330067A1 Fastening arrangement for a high-frequency window
11/24/1994CA2138033A1 Tunable filter circuit and method therefor
11/23/1994EP0625831A2 Radio receiver-transmitter apparatus
11/23/1994EP0625823A1 Hyperfrequency semiconductor device with stabilizing means
11/23/1994EP0625136A1 Higher aldehyde separation process
11/17/1994DE4315594A1 System for transmitting pulses, in particular control pulses, on a radio-frequency basis
11/15/1994US5365391 Magnetic reproducing head having a distributed-constant circuit type magnetic field detector
11/15/1994US5365209 Dielectric filters and duplexers incorporating same
11/15/1994US5365208 Substrate is made up of ceramic consists of barium, titanium, neodymium, yttrium and/ or aluminum oxides; used as band-pass filters
11/15/1994US5364136 Flanges and bodies for microwave waveguides components
11/10/1994WO1994025996A1 Pass-band filter with coupled resonators
11/09/1994EP0623965A1 A method of making a coupling aperture for a filter
11/09/1994CN1094855A Analogue 360 deg. reflection type linear phase shifter
11/01/1994US5361076 Continuous transverse stub element devices and methods of making same
11/01/1994US5361050 Balanced split ring resonator
11/01/1994CA2007242C Combiner arrangement in a radio base station
10/1994
10/27/1994WO1994024772A1 Method and apparatus for separating channels from a radio frequency transmitter
10/27/1994WO1994024721A1 Wageguide multiplexer/demultiplexer
10/27/1994CA2136443A1 Method and apparatus for separating channels from a radio frequency transmitter
10/26/1994EP0621651A1 Tandem cavity thermal compensation
10/26/1994EP0621650A1 A 90 degree phase shifter
10/25/1994US5359336 Circularly polarized wave generator and circularly polarized wave receiving antenna
10/25/1994US5358926 Epitaxial thin superconducting thallium-based copper oxide layers
10/23/1994CA2121281A1 Orthomode transducer with side-port window
10/18/1994US5357227 Laminated high-frequency low-pass filter
10/18/1994US5357225 Method and apparatus for adjusting the impedance of a microstrip transmission line
10/18/1994CA2036099C Analog phase shifter
10/13/1994DE4340123A1 Waveguide multiplexer/demultiplexer
10/12/1994EP0619618A1 Microwave attenuator
10/12/1994EP0619617A1 Dual bandpass microwave filter
10/11/1994US5355104 Phase shift device using voltage-controllable dielectrics
10/11/1994US5354463 Dielectric filter
10/05/1994EP0618640A1 Enhanced tunability for low-dielectric-constant ferroelectric materials
10/05/1994EP0618636A2 Multi-layer microwave circulator
10/05/1994EP0618635A2 Antenna duplexer and transmitting/receiving apparatus using the same
10/05/1994EP0618634A1 Coaxial switch
10/04/1994US5352998 Microwave integrated circuit having a passive circuit substrate mounted on a semiconductor circuit substrate
10/04/1994US5352996 Interdigital bandpass filter
10/02/1994CA2120282A1 Enhanced tunability for low-dielectric-constant ferroelectric materials
09/1994
09/28/1994EP0617478A1 Laminated dielectric resonator and dielectric filter
09/28/1994EP0617476A1 Filter and method for its manufacture
09/28/1994EP0480025B1 Integrated emi filter and thermal heat sink
09/27/1994US5351023 Helix resonator