| Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116) |
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| 11/11/1993 | WO1993022832A1 Bulk acoustic wave spectrum analyzer |
| 11/11/1993 | WO1993022831A1 Weighted reflector for a surface-wave device |
| 11/10/1993 | EP0569007A2 Surface acoustic wave device, and demodulating apparatus and communication system using the surface acoustic wave device |
| 11/10/1993 | EP0513085B1 Surface acoustic wave filter |
| 11/09/1993 | US5260675 Ladder-type electric filter device |
| 11/09/1993 | US5260615 Magnetoelastic wave device |
| 11/09/1993 | US5260596 Monolithic circuit with integrated bulk structure resonator |
| 11/04/1993 | DE4313981A1 Surface wave component and measurement converter - includes directional measurement converter in which excitation section and reflection function are realised independently |
| 11/02/1993 | CA1323912C Interdigital transductor for surface wave filter |
| 10/28/1993 | DE4213800A1 Gewichteter Reflektor für eine Oberflächenwellenanordnung Weighted reflector for a surface wave device |
| 10/28/1993 | DE4213117A1 Weighted reflector structure for SAW devices - allows reflectivity to be varied from max. to zero by positioning of strips more closely in pairs having different distances between them |
| 10/26/1993 | US5256929 Vibrator support structure |
| 10/26/1993 | US5256927 Surface acoustic wave element having a wide bandwidth and a low insertion loss |
| 10/26/1993 | CA1323639C Bending spring joint and process for its production |
| 10/21/1993 | DE4212517A1 SAW device with quasi-periodic transitional structure - affords smooth transition for waves propagated between final strips of adjacent and unequally periodic multi-strip transducers |
| 10/20/1993 | CN2144370Y Liner drawer type electric filter |
| 10/19/1993 | US5254962 Combined acoustic wave device and ceramic block filter structure |
| 10/13/1993 | EP0564881A1 Method and apparatus for an acoustic wave filter |
| 10/13/1993 | EP0535219A4 Surface mountable piezoelectric device with in situ finish plate mask |
| 10/12/1993 | US5252882 Surface acoustic wave device and its manufacturing method |
| 10/05/1993 | US5250871 Low vibration sensitivity crystal resonator arrangement |
| 10/05/1993 | US5250870 Ultra-thin surface mount crystal package |
| 09/29/1993 | EP0562876A1 Surface acoustic wave filter device |
| 09/29/1993 | EP0562712A2 Apparatus for filtering noise from a periodic signal |
| 09/22/1993 | EP0561677A1 Resonator for thermostatically regulated oscillator having low power consumption and rapid warm up |
| 09/22/1993 | EP0561616A2 Piezoelectric/electrostrictive element having auxiliary electrode disposed between piezoelectric/electrostrictive layer and substrate |
| 09/15/1993 | EP0560634A1 Surface acoustic wave device |
| 09/15/1993 | EP0560507A1 Double-sided fluid sensor for reduced attenuation of shear transverse waves |
| 09/14/1993 | US5245300 Intermediate frequency filter having a ceramic filter |
| 09/08/1993 | EP0559343A1 Shear transverse wave device having selective trapping of wave energy |
| 09/07/1993 | US5243556 Acoustic charge transport memory device |
| 09/07/1993 | US5243307 Act device having optical control of saw velocity |
| 09/07/1993 | US5243250 Surface acoustic wave convolver device |
| 09/07/1993 | US5243249 Surface-acoustic-wave device |
| 08/25/1993 | EP0556811A1 Surface acoustic wave device |
| 08/24/1993 | US5239517 Saw transducer with coplanar waveguide transition |
| 08/19/1993 | WO1993016577A1 Sealed electronic package providing in-situ metallization |
| 08/19/1993 | WO1993016522A1 Tunable resonator |
| 08/18/1993 | CN1075340A Sealed electronic package providing in-situ metallization |
| 08/17/1993 | US5237235 Surface acoustic wave device package |
| 08/10/1993 | US5235240 Electrodes and their lead structures of an ultrathin piezoelectric resonator |
| 08/10/1993 | US5235236 Surface acoustic wave device |
| 08/10/1993 | US5235234 Surface acoustic wave device |
| 08/10/1993 | US5235233 Surface acoustic wave device |
| 08/10/1993 | US5235135 Sealed electronic package providing in-situ metallization |
| 08/05/1993 | DE4202369A1 Alterungsbestaendiges glas fuer die ultraschallverzoegerung Alterungsbestaendiges glass for the ultraschallverzoegerung |
| 08/04/1993 | EP0553718A1 Supporting structure for a vibrator |
| 08/03/1993 | US5233261 Piezoelectric |
| 08/03/1993 | US5233259 Film bulk acoustic resonator |
| 07/31/1993 | CA2086846A1 Microcircuit package with integrated acoustic isolator |
| 07/27/1993 | US5231327 Optimized piezoelectric resonator-based networks |
| 07/21/1993 | EP0551328A1 Piezoelectric component-mounting foil and foil-making method |
| 07/20/1993 | US5229735 Wide frequency deviation voltage controlled crystal oscillator having plural parallel crystals |
| 07/13/1993 | US5227739 Dielectrics of ceramic oxides of barium, silicon, aluminum, strontium and zirconium; electrode films of silver and copper; compact |
| 07/13/1993 | US5227219 Comprising a polycarboxylic acid-hardened, amine-catalyzed epoxy resin; printed structures having a shallow gradient of slope |
| 07/08/1993 | WO1993013595A1 Surface wave filter |
| 07/08/1993 | WO1993013495A1 Passive surface wave sensor which can be wirelessly interrogated |
| 07/06/1993 | US5226004 Surface acoustic wave filter device |
| 06/30/1993 | EP0548911A1 Surface acoustic wave filter which is simple in structure |
| 06/30/1993 | EP0548862A1 Surface accoustic wave device |
| 06/29/1993 | US5223762 Surface acoustic wave filter |
| 06/22/1993 | US5221870 Diamond substrate with piezoelectric layer, semiconductor film , carbon film, electrodes and transducers |
| 06/15/1993 | US5220234 Shear transverse wave device having selective trapping of wave energy |
| 06/15/1993 | US5220230 Surface acoustic wave device |
| 06/09/1993 | EP0545672A1 Low loss wide bandwidth parallel channel acoustic filter |
| 06/08/1993 | US5218328 Structure for a resonator using an ultrathin piezoelectric substrate |
| 06/08/1993 | US5218260 Longitudinal quartz crystal resonator |
| 06/08/1993 | US5217018 Acoustic transmission through cladded core waveguide |
| 06/01/1993 | US5216392 In a radio |
| 06/01/1993 | CA1318521C Vibrating type transducer and manufacturing process thereof |
| 05/26/1993 | EP0543556A1 Spatially varying multiple electrode acoustic wave filter |
| 05/26/1993 | EP0286664B1 Phase measuring device and method implementing a filter |
| 05/25/1993 | US5214338 Energy coupler for a surface acoustic wave (SAW) resonator |
| 05/25/1993 | US5213513 Electric terminal |
| 05/25/1993 | US5212988 Plate-mode ultrasonic structure including a gel |
| 05/19/1993 | EP0542323A1 Signal processing device |
| 05/18/1993 | US5212420 Method and apparatus for surface acoustic wave reflector grating |
| 05/12/1993 | EP0541284A1 Surface acoustic wave filter |
| 05/04/1993 | US5208504 Saw device and method of manufacture |
| 04/29/1993 | WO1993008642A1 Band-pass filter on surface acoustic waves |
| 04/29/1993 | WO1993008641A1 Surface wave filter having a folded acoustic path |
| 04/29/1993 | DE4216035C1 Holder for oscillating quartz discs - has lug with mounting section for retaining marginal zone of quartz resonator disk |
| 04/28/1993 | EP0539205A2 Phonon controlled conductivity device |
| 04/28/1993 | EP0538317A1 A method for improving stop-band attenuation of a duplex filter |
| 04/28/1993 | EP0386009B1 Surface wave device with conversion structure for preventing undesirable reflected waves |
| 04/27/1993 | US5206460 Oscillator package |
| 04/22/1993 | DE4234996A1 Magnetostatic-wave circuit element incorporating sound-absorbent layer - produced e.g. by implantation of impurity ions into non-magnetic substrate to suppress lattice vibrations |
| 04/20/1993 | US5204575 Surface acoustic wave resonator |
| 04/15/1993 | WO1993007463A1 Plate-mode ultrasonic structure including a gel |
| 04/13/1993 | US5202652 Surface acoustic wave filter device formed on a plurality of piezoelectric substrates |
| 04/08/1993 | CA2079992A1 Mutant human prourokinase |
| 04/07/1993 | EP0535554A1 A surface acoustic wave device package |
| 04/07/1993 | EP0535219A1 Surface mountable piezoelectric device with in situ finish plate mask |
| 04/06/1993 | US5200664 Surface acoustic wave device |
| 04/06/1993 | US5200663 Surface acoustic wave device provided with output transducer split into a plurality of portions, and communication system using the same |
| 04/01/1993 | DE4132309A1 Stoneley wave component - having finger electrodes made of material and of height to produce no wave reflections |
| 03/31/1993 | EP0534411A1 Surface acoustic wave device |
| 03/31/1993 | EP0534355A1 Method of manufacturing a surface acoustic wave device |
| 03/31/1993 | EP0534354A1 Surface acoustic wave device and manufacturing method thereof |
| 03/31/1993 | EP0534252A1 Surface acoustic wave device |