Patents for H01P 7 - Resonators of the waveguide type (6,314)
09/1994
09/28/1994EP0617478A1 Laminated dielectric resonator and dielectric filter
09/27/1994US5351023 Helix resonator
09/27/1994US5351020 Band-pass filter having three or more loop-shaped electrodes
09/27/1994US5350721 Dielectric ceramic composition containing ZNO-B203-SI02 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition
09/27/1994US5350639 Dielectric ceramic for use in microwave device, a microwave dielectric ceramic resonator dielectric ceramics
09/21/1994EP0615658A1 Device for tuning an evacuatable resonance chamber in a resonator
09/21/1994EP0615657A1 Combiner resonator having an i-beam shaped element disposed within its cavity
09/20/1994US5349315 Dielectric filter
09/20/1994CA2036829C Ferrite tunable microwave filter
09/13/1994US5347246 Mounting assembly for dielectric resonator device
08/1994
08/24/1994EP0611489A1 High-temperature superconductor-dielectric resonator
08/23/1994US5340784 Microwave dielectric ceramic composition
08/03/1994CN1090409A Method and circuit configuration for electronically labelling articles
07/1994
07/20/1994CN1089759A Combiner resonator having an I-beam shaped element disposed within its cavity
07/19/1994US5331300 Dielectric filter device
07/13/1994EP0605642A1 Narrow band-pass, wide band-stop filter
07/12/1994US5329255 Thermally compensating microwave cavity
07/12/1994US5328893 Superconductive filters with electromagnets
07/06/1994EP0604952A1 Multilayer ceramic parts
07/05/1994US5327110 Ceramic coaxial resonator
06/1994
06/29/1994EP0603660A1 Dielectric resonator
06/28/1994US5325077 TE101 triple mode dielectric resonator apparatus
06/28/1994US5324713 High temperature superconductor support structures for dielectric resonator
06/21/1994US5323129 Resonator mounting apparatus
06/21/1994US5323128 Dielectric filter having inter-resonator coupling including both magnetic and electric coupling
06/21/1994CA2003757C Band pass filter
06/15/1994EP0601371A1 Dielectric resonator
06/15/1994EP0601370A1 Dielectric resonator
06/15/1994EP0601369A1 Adjustable dielectric resonator
06/15/1994EP0591402A4 Active superconductive devices
06/14/1994US5321374 Transverse electromagnetic mode resonator
06/09/1994WO1994013028A1 Tunable microwave devices incorporating high temperature superconducting and ferroelectric films
06/09/1994CA2150690A1 Tuneable microwave devices incorporating high temperature superconducting and ferroelectric films
06/07/1994US5319328 Dielectric filter
06/01/1994EP0599536A1 Helix resonator filter
06/01/1994EP0599434A1 Method and circuit for electronically marking of articles
05/1994
05/24/1994US5315274 Dielectric resonator having a displaceable disc
05/24/1994US5315210 Klystron resonant cavity operating in TM01X mode, where X is greater than zero
05/19/1994DE4338554A1 Non-contact electronic identification tag - has switchable array of passive detection and burn-out resonator elements, which receive burn-out frequency for irreversibly changing state of resonator for coding
05/10/1994US5311160 Mechanism for adjusting resonance frequency of dielectric resonator
05/10/1994US5310710 Including specified concentration limits of yttrium and aluminum oxides; resonators
05/04/1994EP0594832A1 Tm01x mode (x 0) klystron resonant cavity
05/03/1994US5309129 Apparatus and method for providing temperature compensation in Te101 mode and Tm010 mode cavity resonators
05/03/1994US5309118 Hyperfrequency generator with source element located in the resonant cavity
04/1994
04/19/1994US5304968 Temperature compensated resonator
04/19/1994US5304521 Dielectric ceramic composition containing ZnO-B2 O3 -SiO2 glass, method of preparing the same, and resonator and filter using the dielectric ceramic composition
04/14/1994WO1994008359A1 Combiner resonator having an i-beam shaped element disposed within its cavity
04/14/1994CA2125278A1 Combiner resonator having an i-beam shaped element disposed within its cavity
04/13/1994EP0591402A1 Active superconductive devices
04/12/1994US5302924 Temperature compensated dielectric filter
04/06/1994EP0591115A1 Yig component
04/06/1994EP0590612A1 Frequency tunable resonator including a varactor
04/05/1994US5300901 Arrangement for coupling in of microwave energy
04/05/1994CA2010558C Dielectric ceramic material and method of producing same
03/1994
03/29/1994US5298873 Adjustable resonator arrangement
03/29/1994CA2012003C A te___ mode dielectric resonator circuit
03/22/1994US5296457 Silver or alloy, copper
03/22/1994US5296424 System of dielectric ceramic compositions suitable for microwave applications
03/16/1994EP0587140A2 Dielectric ceramic compositions and dielectric resonators
03/16/1994EP0586579A1 Window for microwave plasma processing device
03/15/1994US5294899 YIG-tuned circuit with rotatable magnetic polepiece
03/15/1994US5294895 Microwave oscillators and transmitters with frequency stabilization
03/15/1994CA2003709C Electric ceramic composition
03/09/1994EP0585283A1 Coaxial resonator structure
03/03/1994WO1994005022A1 Superconducting control elements for rf antennas
03/03/1994WO1994004935A1 Apparatus for characterizing high temperature superconducting thin film
03/01/1994US5291163 Tunable ferromagnetic resonator circuit
03/01/1994US5291153 Oscillating MMIC circuit with dielectric resonator
02/1994
02/09/1994EP0582274A1 Microwave dielectric ceramic composition
02/09/1994CN1081790A Turning device for microwave dielectric resonators and filters
02/08/1994US5285178 Combiner resonator having an I-beam shaped element disposed within its cavity
02/08/1994US5285176 Flat cavity RF power divider
02/01/1994CA2017722C Resonant frequency-temperature characteristics compensable high frequency circuit elemental device
01/1994
01/26/1994EP0580193A2 Thermal compensation of wave guide resonant cavities
01/19/1994EP0579256A1 Active-type band-pass filter
01/04/1994US5276412 High-frequency filter having increased mechanical strength
01/04/1994US5276409 Autotuning combiner stabilized against frequency drift
12/1993
12/29/1993EP0576273A1 Coaxial resonator and dielectric filter using the same
12/28/1993US5273944 Consisting essentially of a mixed oxide of bismuth, calcium and niobium
12/15/1993EP0573985A1 Strip dual mode filter in which a resonance width of a microwave is adjusted and dual mode multistage filter in which the strip dual mode filters are arranged in series
12/09/1993WO1993024970A1 Microwave resonator
12/09/1993WO1993024969A1 Tuning device for microwave dielectric resonators and filters
12/09/1993CA2137165A1 Dielectrically loaded cavity resonator
12/01/1993EP0571777A1 Strip dual mode loop resonator for resonating microwave in dual mode and band-pass filter composed of the resonators
12/01/1993EP0328618B1 Improved microwave apparatus
11/1993
11/30/1993CA2014514C Dielectric resonator filter
11/25/1993WO1993023867A1 Tm01x mode (x>0) klystron resonant cavity
11/23/1993US5264403 Dielectric ceramic composition containing ZnO-B2 O3 -SiO2 glass
11/23/1993US5264064 Method and system for radio frequency energy transmission in an imperforate composite structure
11/18/1993EP0570184A1 A filter used as transmit-receive switch
11/18/1993EP0570144A1 Resonator structure
11/16/1993US5262736 Compact voltage controlled microwave oscillator with dielectric resonator
11/15/1993CA2096150A1 Filter
11/10/1993EP0568683A1 Cavity resonator incorporating waveguide filter
11/09/1993CA2095364A1 Resonator structure
11/03/1993EP0568370A1 Dielectric filter device
11/03/1993EP0567485A1 Assembly and method for coupling a microstrip circuit to a cavity resonator
10/1993
10/27/1993EP0567407A1 Microwave component of oxide superconducter material
10/27/1993EP0567266A1 Helix resonator
10/27/1993EP0566743A1 Folded strip track type dielectric resonator and laminated type dielectric filter using the same
1 ... 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64