| Patents for H03H 3 - Apparatus or processes specially adapted for the manufacture of impedance networks, resonating circuits, resonators (6,646) |
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| 03/15/1989 | EP0307178A2 Diagonally coupled magnetostatic wave resonators |
| 03/07/1989 | US4810920 Acoustic surface wave multimode filter comprising a bus bar which is thicker than acoustic surface wave resonators |
| 03/02/1989 | DE3827962A1 Filter zur unterdrueckung von oberflaechen-interferenzen fuer satellitenkommunikations-empfaenger Filter to suppress surface until-interferences for satellite communication-empfaenger |
| 02/28/1989 | US4809213 Two-track convolver operating with acoustic waves and with suppression of self-convolution signals |
| 02/07/1989 | US4803449 Filter combining surface acoustic wave resonators |
| 01/17/1989 | US4799184 Convolver arangement with acoustic waves |
| 01/17/1989 | US4799043 For sensing a particular condition |
| 01/12/1989 | DE3821247A1 Fm-demodulator Fm demodulator |
| 01/10/1989 | US4797653 DPCM encoder |
| 01/10/1989 | US4797578 Arrangement for adjusting an impedance network in an integrated semiconductor circuit |
| 01/10/1989 | CA1248601A1 Staggered saw resonator differential detection |
| 01/03/1989 | US4795934 Mounting of saw devices |
| 12/20/1988 | US4792779 Trimming passive components buried in multilayer structures |
| 12/08/1988 | DE3817728A1 Oberflaechenwellenbauelement Oberflaechenwellenbauelement |
| 12/06/1988 | CA1246167A1 Filter functioning with acoustic waves |
| 12/06/1988 | CA1246166A1 Filter functioning with acoustic waves |
| 11/15/1988 | US4785270 Monolithic lattice saw filter |
| 11/01/1988 | US4782312 Mode selective magnetostatic wave resonators |
| 10/11/1988 | US4777462 Edge coupler magnetostatic wave structures |
| 10/05/1988 | EP0285481A1 Surface wave device correcting method, especially for a dispersing filter |
| 10/04/1988 | US4775814 Saw device |
| 09/28/1988 | EP0283481A1 Trimming passive components buried in multilayer structures. |
| 09/27/1988 | US4774483 Diagonally coupled magnetostatic wave resonators |
| 09/27/1988 | US4774482 Transducer for a filter arrangement with acoustic waves |
| 09/20/1988 | US4772130 Quartz thermometer |
| 09/13/1988 | US4771202 Tuning fork resonator |
| 09/07/1988 | WO1988006818A1 Press-fit type piezoelectric vibrator and piezoelectric oscillator |
| 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 | US4764244 Lamination, cleaning, etching, depositing, patterning; piezoelectricity, semiconductors, solid state electronics |
| 08/02/1988 | US4761298 Method of precisely adjusting the frequency of a piezoelectric resonator |
| 08/02/1988 | CA1240006A1 Acoustic wave filter |
| 07/27/1988 | EP0275338A1 Pivotal-spring connection, and manufacturing method |
| 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 |
| 07/19/1988 | 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 |
| 06/21/1988 | US4752709 Surface acoustic wave device |
| 06/14/1988 | CA1238106A1 Casing for electrical components, component assemblies or integrated circuits |
| 06/01/1988 | EP0269064A2 Filter combining surface acoustic wave resonators |
| 05/24/1988 | CA1237174A1 Surface acoustic wave filter |
| 05/03/1988 | US4741076 Method of making a high stability quartz crystal oscillator |
| 05/03/1988 | CA1236182A1 Piezoelectric resonating device |
| 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 |
| 03/24/1988 | WO1988002183A1 Trimming passive components buried in multilayer structures |
| 03/22/1988 | US4733207 Surface acoustic wave filters |
| 03/22/1988 | US4733122 Acoustic surface wave filter bank |
| 03/16/1988 | EP0259628A2 Transducer for an acoustic wave filter device |
| 03/01/1988 | US4728912 Elastic surface wave device |
| 03/01/1988 | CA1233524A1 Display temperature compensator for electric meter |
| 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 | US4725771 Method and apparatus for frequency adjustment of monolithic crystal filters |
| 02/16/1988 | US4725754 Method of making a low aging piezoelectric resonator |
| 02/03/1988 | EP0255263A2 Transducer |
| 02/03/1988 | EP0255195A2 Notch filter |
| 01/27/1988 | EP0254427A1 Surface acoustic wave filters |
| 01/26/1988 | CA1232038A1 Electrical filter comprising an acoustic surface wave device, and method of manufacturing such a filter |
| 01/12/1988 | US4719383 Piezoelectric shear wave resonator and method of making same |
| 01/07/1988 | EP0250474A1 Method for fabricating a surface wave dispersive filter and filter fabricated according to said method. |
| 12/22/1987 | US4714911 Technique for treating manufactured thick film resistors |
| 12/22/1987 | US4714905 SMC filter and method of manufacture thereof |
| 12/16/1987 | EP0248962A2 Comb generators |
| 12/15/1987 | US4713602 Circuit resistance adjusting device |
| 12/15/1987 | CA1230408A1 Surface acoustic wave device |
| 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 | US4705931 System for trimming microelectronic resistors |
| 10/29/1987 | DE3614333A1 Filter calibration method and device for implementing it |
| 10/27/1987 | US4703290 Acoustic wave filter |
| 10/27/1987 | US4701987 Process for manufacturing high frequency quartz resonators |
| 10/20/1987 | US4701657 Dispersive interdigital transducer for arrangements operating with acoustic waves |
| 10/14/1987 | EP0240645A1 Frequency adjusting bench and method for a coupled monolithic resonator |
| 10/13/1987 | US4699682 Surface acoustic wave device sealing method |
| 10/13/1987 | CA1228130A1 Process and device for machining a resonator plate and plate thus produced |
| 10/08/1987 | WO1987006073A1 Method for suppressing parasitic echoes in electroacoustic delay lines with volume waves, and delay line implementing such method |
| 09/29/1987 | US4697115 Surface acoustic wave device |
| 09/15/1987 | US4694266 Notch filter |
| 08/11/1987 | US4686111 Passivated and low scatter acoustic wave devices and method thereof |
| 08/04/1987 | US4684907 Electrical filter with acoustic waves |
| 08/04/1987 | US4684841 Saw devices including resistive films |
| 07/28/1987 | US4683395 Surface acoustic wave device |
| 07/21/1987 | US4682130 Filter functioning with acoustic waves |
| 07/07/1987 | US4679014 Filter functioning with acoustic waves |
| 07/07/1987 | US4678891 Method for adjusting an electrical device by electrode trimming |
| 06/30/1987 | US4676993 Method and apparatus for selectively fine-tuning a coupled-dual resonator crystal and crystal manufactured thereby |
| 06/24/1987 | EP0226561A1 Arrangement for adjusting an impedance network in an integrated semiconductor circuit |
| 06/24/1987 | EP0226372A2 SAW resonator or resonator filter |
| 06/18/1987 | WO1987003756A1 Method for fabricating a surface wave dispersive filter and filter fabricated according to said method |
| 06/09/1987 | US4672339 Electric filter employing acoustic waves |
| 06/09/1987 | US4672338 Saw filter having response enhanced via dampening |
| 06/09/1987 | US4672254 Surface acoustic wave devices and method of manufacture thereof |