| Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116) |
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| 09/14/1988 | EP0282332A2 Method of detecting bitter or odor substances and apparatus therefor |
| 09/13/1988 | US4771202 Tuning fork resonator |
| 09/07/1988 | WO1988006818A1 Press-fit type piezoelectric vibrator and piezoelectric oscillator |
| 08/30/1988 | US4767198 SAW/BAW Bragg cell |
| 08/30/1988 | US4766671 Forming decomposable material into pattern, stacking with ceramic circuit sheets, sintering, lamination |
| 08/24/1988 | EP0279678A2 Surface wave delay line with antireflective electrodes |
| 08/24/1988 | EP0279349A2 Complementary acoustic charge transport devices and method |
| 08/17/1988 | EP0278765A2 Surface acoustic wave filter |
| 08/16/1988 | US4764701 Multichannel surface acoustic wave encoder/decoder |
| 08/16/1988 | US4764244 Lamination, cleaning, etching, depositing, patterning; piezoelectricity, semiconductors, solid state electronics |
| 08/10/1988 | EP0277272A2 Temperature-sensitive quartz resonator |
| 08/02/1988 | CA1240007A1 Electric filter operating with acoustic waves |
| 08/02/1988 | CA1240006A1 Acoustic wave filter |
| 07/27/1988 | EP0275338A1 Pivotal-spring connection, and manufacturing method |
| 07/26/1988 | US4760360 Surface-wave resonator structure having metallization strips interrupted in sub-sections in reflector fingers |
| 07/26/1988 | US4760359 Surface acoustic wave resonator |
| 07/26/1988 | US4760358 Piezoelectric element |
| 07/26/1988 | US4760351 Multiple oscillator device having plural quartz resonators in a common quartz substrate |
| 07/26/1988 | US4759107 Monolithic piezoelectric element and method of adjusting the resonant frequency thereof |
| 07/20/1988 | EP0275093A2 Distributed constant type noise filter |
| 07/19/1988 | US4757581 Method for producing a piezoelectric resonator |
| 07/12/1988 | US4757283 Technique for frequency trimming of a saw device using dielectric layers disposed between a pair of transducers of the saw device |
| 07/12/1988 | US4757228 Double-tuning-fork resonator with means to sense tine breakage |
| 07/12/1988 | US4757226 Surface acoustic wave convolver |
| 07/05/1988 | US4755314 Single crystal wafer of lithium tantalate |
| 06/28/1988 | US4754187 High-Q stress-compensated crystal device |
| 06/21/1988 | US4752750 Gallium arsenide substrate with lithium niobate |
| 06/21/1988 | US4752709 Surface acoustic wave device |
| 06/14/1988 | US4750246 Method of making compensated crystal oscillator |
| 06/14/1988 | CA1238106A1 Casing for electrical components, component assemblies or integrated circuits |
| 06/07/1988 | US4749971 Saw delay line with multiple reflective taps |
| 06/01/1988 | EP0269437A2 Restricted access television transmission system |
| 06/01/1988 | EP0269064A2 Filter combining surface acoustic wave resonators |
| 06/01/1988 | CN85102577B Single-phase narrow-band tuningless surface leaky-wave filter with low insertion loss |
| 05/31/1988 | US4748367 Contact heater for piezoelectric effect resonator crystal |
| 05/31/1988 | US4748364 Surface acoustic wave device |
| 05/31/1988 | CA1237491A1 Cylindrical crystal resonator |
| 05/24/1988 | US4746971 Comb-shape response filter having ultrasonic delay line |
| 05/24/1988 | US4746882 Saw multiplexer using tapered transducers |
| 05/24/1988 | CA1237174A1 Surface acoustic wave filter |
| 05/17/1988 | US4745378 Surface acoustic wave device |
| 05/17/1988 | US4745321 Reflective array surface acoustic wave device |
| 05/11/1988 | EP0266485A2 Electromechanical horn with excitation of its acoustic diaphragm controlled electronically by sensors which measure its resonance frequency |
| 05/10/1988 | US4743870 Longitudinal mode fiber acoustic waveguide with solid core and solid cladding |
| 05/10/1988 | US4743790 Force sensing vibrating beam resonator |
| 05/03/1988 | US4742319 Suppressed multiple reflections; no sub-resonance |
| 05/03/1988 | US4742182 Flatpack for hermetic encapsulation of piezoelectric components |
| 05/03/1988 | CA1236182A1 Piezoelectric resonating device |
| 04/21/1988 | WO1988002867A1 Filter, phase measuring device and method implementing such filter |
| 04/21/1988 | DE3733554A1 Pll-verzoegerungsschaltung Pll verzoegerungsschaltung |
| 04/19/1988 | US4739290 Variable analog delay line |
| 04/19/1988 | US4739286 Suppression of radiated harmonics |
| 04/12/1988 | US4737790 Passive interrogator label system with a surface acoustic wave transponder operating at its third harmonic and having increased bandwidth |
| 04/12/1988 | US4737743 Single mode waveguide saw dispersive filter |
| 04/12/1988 | US4737742 Unit carrying surface acoustic wave devices |
| 04/06/1988 | EP0262170A1 Method for suppressing parasitic echoes in electroacoustic delay lines with volume waves, and delay line implementing such method |
| 04/05/1988 | US4736172 Transducer for SAW arrangements |
| 04/05/1988 | US4736128 Surface acoustic wave device |
| 03/29/1988 | US4734664 Surface acoustic wave resonator |
| 03/29/1988 | US4734662 Comb filter |
| 03/29/1988 | US4734608 Elastic surface wave element |
| 03/23/1988 | EP0260656A2 Unidirectional surface acoustic wave device |
| 03/22/1988 | US4733207 Surface acoustic wave filters |
| 03/22/1988 | US4733204 Ultrasonic-wave delay element |
| 03/22/1988 | US4733122 Acoustic surface wave filter bank |
| 03/16/1988 | EP0260238A2 Device for transmitting electric energy to computers and data nets |
| 03/16/1988 | EP0259628A2 Transducer for an acoustic wave filter device |
| 03/15/1988 | US4731875 Frequency converter used for a receiver which receives signals of a UHF band or a microwave band |
| 03/15/1988 | US4731595 Resonator structure |
| 03/02/1988 | EP0257377A2 Surface wave resonator structure comprising reflective finger metallization strips divided into parts |
| 03/01/1988 | US4728912 Elastic surface wave device |
| 02/23/1988 | US4727340 Comb generators |
| 02/23/1988 | US4727275 Acoustic surface wave device |
| 02/23/1988 | CA1233094A1 Temperature compensated orientations of berlinite for surface acoustic wave devices |
| 02/16/1988 | CA1232776A1 Resonator temperature transducer |
| 02/03/1988 | EP0255361A2 Quartz crystal for surface acoustic wave device |
| 02/03/1988 | EP0255360A2 Quartz crystal for surface acoustic wave device |
| 02/03/1988 | EP0255263A2 Transducer |
| 02/03/1988 | EP0255195A2 Notch filter |
| 02/03/1988 | CN85101648B Piezoelectric resonance component having an improved group delay time characteristic |
| 01/27/1988 | EP0254427A1 Surface acoustic wave filters |
| 01/26/1988 | US4721925 Micromechanical electronic oscillator |
| 01/26/1988 | CA1232038A1 Electrical filter comprising an acoustic surface wave device, and method of manufacturing such a filter |
| 01/19/1988 | US4720651 Resonator insensitive to paraxial accelerations |
| 01/12/1988 | US4719384 Miniature thermostatted oscillator |
| 01/12/1988 | CA1231398A1 Piezoelectric resonance component having an improved group delay time characteristic |
| 01/05/1988 | CA1231144A1 Piezoelectric resonator |
| 12/29/1987 | US4716377 Piezoelectric resonance component having an improved group delay time characteristic |
| 12/29/1987 | US4716332 Piezoelectric vibrator |
| 12/16/1987 | EP0248962A2 Comb generators |
| 12/15/1987 | CA1230408A1 Surface acoustic wave device |
| 12/09/1987 | CN86210346U High impedance, intermediate frequency sound surface wave filter for colour tv set |
| 12/01/1987 | US4710731 Planar type thickness shear mode quartz oscillator |
| 12/01/1987 | US4710668 Vibrating string resonator |
| 11/25/1987 | EP0246626A2 Saw device |
| 11/17/1987 | US4707631 Lithium niobate, electroacoustics, transducers |
| 11/17/1987 | US4706350 Self-locating, self-fixturing hard crystal blank mounting system |
| 11/10/1987 | US4706048 Wide-band matching network for piezoelectric transducer |
| 11/10/1987 | US4706046 Resonator made of nonpiezoelectric material with high quality coefficient |
| 11/10/1987 | US4705982 Device for supporting a piezoelectric resonator inside a casing |