Patents for H01P 7 - Resonators of the waveguide type (6,314) |
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01/03/1989 | US4795992 Mount for dielectric coaxial resonators |
12/28/1988 | EP0296838A2 Monolithic microwave transmitter/receiver |
12/27/1988 | US4794355 Heat sink for magnetically tuned filter |
12/27/1988 | US4794354 Apparatus and method for modifying microwave |
12/21/1988 | EP0296009A1 Trinable microwave filtering device with a dielectric resonator and applications thereof |
12/21/1988 | EP0296007A1 Whispering-gallery mode microwave resonator |
12/20/1988 | US4792772 Microwave apparatus |
12/20/1988 | US4792537 Dielectric ceramic composition for high frequencies |
12/15/1988 | WO1988010013A2 Microwave multiplexer with multimode filter |
12/14/1988 | EP0295133A1 Temperature stable dielectric composition at high low frequencies |
11/30/1988 | EP0292571A1 Apparatus for measuring physical quantities and a method therefor |
11/17/1988 | EP0291487A2 Wide-band extended interaction device |
11/17/1988 | EP0290794A1 Microwave oscillator with a dielectric resonator, especially for the 22 GHz range |
11/15/1988 | US4785375 Temperature stable dielectric composition at high and low frequencies |
11/09/1988 | EP0290187A2 Cavity resonator |
11/08/1988 | US4783641 NMR radio frequecny field coil with distributed current |
11/01/1988 | US4782312 Mode selective magnetostatic wave resonators |
10/11/1988 | US4777462 Edge coupler magnetostatic wave structures |
10/11/1988 | US4777459 For electromagnetic signals |
10/05/1988 | EP0285503A1 Filter with distributed constant elements associating two kinds of coupling arrangements |
10/05/1988 | EP0285326A2 Low noise magnetically tuned resonant circuit |
10/04/1988 | US4775847 Tunable resonant cavity filter structure with enhanced ground return |
10/04/1988 | US4775649 Dielectric porcelain composition |
09/27/1988 | US4774483 Diagonally coupled magnetostatic wave resonators |
09/06/1988 | US4769620 Microwave oscillator with dielectric resonator |
08/23/1988 | US4765055 Method of fabricating a superconducting cavity |
08/02/1988 | US4761624 Microwave band-pass filter |
08/02/1988 | CA1240009A1 Dielectric resonator frequency selective network |
07/26/1988 | US4760361 Double-mode filter |
07/19/1988 | US4758922 High frequency circuit having a microstrip resonance element |
07/19/1988 | US4758800 Low noise magnetically tuned resonant circuit |
07/12/1988 | US4757289 Filter with dielectric resonators |
07/12/1988 | US4757285 Filter for short electromagnetic waves formed as a comb line or interdigital line filters |
07/12/1988 | US4757284 Dielectric filter of interdigital line type |
07/06/1988 | EP0273305A2 Dielectric ceramic composition |
07/05/1988 | US4755780 Ferromagnetic resonator having temperature compensation means using pre-coded compensation data |
06/28/1988 | US4753906 Communications |
06/22/1988 | CN87104705A Cavity |
06/21/1988 | US4752594 Dielectric ceramic |
06/16/1988 | WO1988004423A1 Apparatus for measuring physical quantities and a method therefor |
06/14/1988 | US4751481 Molded resonator |
06/14/1988 | US4751480 One port magnetostatic wave resonator |
06/14/1988 | US4751464 Cavity resonator with improved magnetic field uniformity for high frequency operation and reduced dielectric heating in NMR imaging devices |
06/07/1988 | US4749669 Dielectric ceramic composition |
05/31/1988 | US4748427 Microwave resonating cavity with metallized dielectric |
05/19/1988 | WO1988003652A1 Linear position sensor |
05/17/1988 | US4745379 Launcher-less and lumped capacitor-less ceramic comb-line filters |
05/17/1988 | US4745093 Dielectric ceramic composition |
05/10/1988 | US4743874 Thin film of yttrium-iron-garnet on gadolinium-gallium-garnet substrate; fine stripe electrodes |
05/03/1988 | US4742320 Resonator structure comprising metal coated tubular carrier and having slits in the metal coating |
05/03/1988 | CA1236181A1 Bandpass filter with dielectric resonators |
04/27/1988 | CN87105317A Multiple resonator component-mountable filter |
04/12/1988 | US4737738 Extended interaction device tuned by movable delay line structure |
04/12/1988 | US4737705 Linear position sensor using a coaxial resonant cavity |
04/05/1988 | US4736173 Thermally-compensated microwave resonator utilizing current-null segmentation |
04/05/1988 | US4735926 Alumina ceramic body |
04/05/1988 | CA1234882A1 Radio frequency filter having a temperature compensated ceramic resonator |
03/22/1988 | US4733209 Ceramic Scrambler module |
03/22/1988 | US4733208 Dielectric filter having impedance changing means coupling adjacent resonators |
03/15/1988 | US4731207 Oxides of barium, magnesium and tantalum |
03/08/1988 | US4730174 Dielectric material coaxial resonator with improved resonance frequency adjusting mechanism |
03/01/1988 | US4728913 Dielectric resonator |
03/01/1988 | US4728910 Folded waveguide coupler |
02/23/1988 | US4727343 Precision tuning |
02/23/1988 | US4727342 Dielectric resonator |
02/16/1988 | US4726071 Microprocessor controlled self-tuning resonant cavity and method |
02/11/1988 | WO1988001104A1 Multiple resonator component-mountable filter |
02/09/1988 | US4724403 Microwave oscillator |
02/03/1988 | EP0255068A1 Filter for short electromagnetic waves having the shape of comb filters or interdigital filters |
01/26/1988 | US4721932 Ceramic TEM resonator bandpass filters with varactor tuning |
01/12/1988 | US4719435 Adjustable-frequency resonant device |
01/07/1988 | EP0251914A2 Ceramic scrambler module |
01/05/1988 | US4717694 Dielectric ceramic composition for high frequencies |
12/22/1987 | US4714906 Dielectric filter with variable central frequency |
12/02/1987 | EP0247749A2 Push-push dielectric resonator oscillator |
12/02/1987 | EP0247440A2 Microwave oscillator with dielectric resonator |
12/01/1987 | US4710729 Microwave oscillator comprising a dielectric resonator insensitive to mechanical vibrations |
11/25/1987 | EP0246639A2 Atomic or molecular maser cavity resonator |
11/25/1987 | CN87103472A Microstrip transmission line for coupling to a dielectric resonator |
11/19/1987 | EP0246042A2 Dielectric filter |
11/19/1987 | EP0245890A2 Microstrip transmission line for coupling to a dielectric resonator |
11/17/1987 | US4707668 Method and apparatus for transferring and injecting rf energy from a generator to a resonant load |
11/17/1987 | CA1229389A1 Microwave bandpass filters including dielectric resonators |
11/10/1987 | US4706053 Microwave metallic cavity |
11/10/1987 | US4706052 Dielectric resonator |
11/10/1987 | US4706042 Atomic or molecular maser cavity resonator |
11/03/1987 | US4704739 Receiving circuit for converting signals comprising at least two ferromagnetic resonators |
10/27/1987 | US4703291 Dielectric filter for use in a microwave integrated circuit |
10/27/1987 | EP0235123A4 Narrow bandpass dielectric resonator filter. |
10/13/1987 | US4700158 Helical resonator |
10/13/1987 | US4700127 Microwave probe and rotary body detecting apparatus using the same |
10/13/1987 | US4699891 Dielectric ceramic composition |
10/13/1987 | CA1228135A1 Resonant tag circuits useful in electronic security systems |
10/06/1987 | US4698822 Apparatus for exciting a plasma in a column of gas by means of microwaves, in particular for providing an ion laser |
09/22/1987 | CA1227028A1 Dielectric ceramic composition |
09/16/1987 | EP0236887A2 Microwave oscillator stabilized by a dielectric resonator |
09/15/1987 | US4694262 Oscillator with resonator having a switched capacitor for frequency changing |
09/15/1987 | US4694260 Microwave discriminator and devices using said discriminator |
09/09/1987 | EP0235123A1 Narrow bandpass dielectric resonator filter. |
09/08/1987 | US4692727 Dielectric resonator device |