| Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116) |
|---|
| 08/25/1992 | US5142185 Acoustic electric surface wave device |
| 08/12/1992 | EP0498198A1 Hermetic device package for microelectronic frequency selection components |
| 08/11/1992 | US5138215 Saw reflective array correlator with amplitude error compensating polymer reflective array grating |
| 08/04/1992 | US5136266 Surface acoustic wave device having staggered dispersive delay transducers |
| 07/29/1992 | EP0496583A2 KT cut width-extensional mode quartz crystal resonator |
| 07/23/1992 | DE4101519A1 Tuning fork quartz for portable clock or wrist watch - has temp. reversal point in excess of 25 deg. C. and heater with temp. control |
| 07/22/1992 | EP0495316A2 Saw device and method of manufacture |
| 07/21/1992 | US5132643 Crystal resonator with plural electrodes for use in a crystal oscillating device of a temperature compensation type |
| 07/14/1992 | US5130681 Saw filter and mobile telephone using same |
| 07/14/1992 | US5130680 Ladder-type electric filter |
| 07/14/1992 | US5130679 Ultrasonic delay line mounted in a frame-like body having a wiring pattern thereon |
| 07/14/1992 | US5130522 Id card using surface acoustic waves |
| 07/11/1992 | WO1992012573A1 Saw device tapped delay lines |
| 07/08/1992 | CN2109663U Micro high frequency quartz resonator |
| 07/07/1992 | US5128734 Surface channel hact |
| 07/07/1992 | US5128640 Surface wave low filter loss having coupling transducers |
| 07/07/1992 | US5128579 Act electrode configuration for linear readout |
| 06/30/1992 | US5127020 Bias control device |
| 06/30/1992 | US5126706 Surface wave arrangement with conversion structure for preventing undesirable reflected waves |
| 06/20/1992 | CA2032727A1 Cellular telephone filter |
| 06/16/1992 | US5122767 Saw device tapped delay lines |
| 06/16/1992 | US5122766 Acoustic wave delay system with an optically controlled delay medium |
| 06/16/1992 | CA1303514C Electronic scratch filter for bowed instruments |
| 06/10/1992 | EP0489196A1 Acoustic surface wave filter |
| 06/10/1992 | EP0489195A1 TV-IF-filter for quasi-/parallel sound use |
| 06/09/1992 | USRE33957 High frequency narrow-band multi-mode filter |
| 06/09/1992 | US5121024 Piezoelectric device operable in the thickness shear vibratory mode and manufacturing method therefor |
| 06/09/1992 | CA1303207C Piezoelectric resonator |
| 06/09/1992 | CA1303206C Surface elastic wave device |
| 06/09/1992 | CA1303153C Piezoelectric resonator |
| 06/05/1992 | WO1992010875A1 High frequency oscillator comprising cointegrated thin film resonator and active device |
| 06/05/1992 | CA2097717A1 High frequency oscillator comprising cointegrated thin film resonator and active device |
| 06/03/1992 | EP0487783A1 Surface wave resonator |
| 06/02/1992 | US5118982 Thickness mode vibration piezoelectric transformer |
| 06/02/1992 | US5118980 Piezoelectric vibration component |
| 05/31/1992 | WO1992010030A1 Crystal cut angles for lithium tantalate crystal for novel surface acoustic wave devices |
| 05/31/1992 | CA2073330A1 Crystal cut angles for lithium tantalate crystal for novel surface acoustic wave devices |
| 05/26/1992 | US5117147 Piezoelectric vibrating device |
| 05/26/1992 | US5117145 Surface-acoustic-wave convolver |
| 05/19/1992 | US5115315 Digital video signal transmission system using reversible dispersive filters |
| 05/19/1992 | US5115216 Surface acoustic wave filter including saw resonators with transmission spaces therein |
| 05/19/1992 | US5115160 Easily encodable surface acoustic wave (SAW) security devices |
| 05/13/1992 | EP0485151A1 Surface acoustic wave device and method of manufacture |
| 05/13/1992 | EP0484689A1 Surface acoustic wave device with reflected wave at side edges on waveguide suppressed and communication system using the same |
| 05/13/1992 | EP0484545A1 Structure of electrode and lead thereof of ultra thin plate piezoelectric resonator |
| 05/12/1992 | US5113115 Saw slanted array correlator with amplitude error compensating polymer reflective array grating |
| 05/06/1992 | EP0483940A1 Group single-phase unidirectional transducers with 3/8 lambda and 5/8 lambda sampling |
| 05/06/1992 | EP0483358A1 Ultra thin quartz crystal filter element of multiple mode |
| 05/05/1992 | US5111167 Surface acoustic wave device and method utilizing plural multi-strip couplers |
| 05/05/1992 | US5111100 Surface acoustic wave device and method for fabricating same |
| 05/05/1992 | CA1300255C Surface wave delay line with antireflective electrodes |
| 04/29/1992 | EP0482033A1 Saw device tapped delay line and apparatus using same. |
| 04/28/1992 | US5109177 Damped cradle for saw device |
| 04/28/1992 | US5109176 Mounting for multiple crystal filter blanks |
| 04/28/1992 | US5109175 Monolithic resonator for vibrating beam force sensors |
| 04/28/1992 | CA1299732C Surface acoustic wave scattering grating |
| 04/22/1992 | EP0481733A1 Surface acoustic wave resonator |
| 04/21/1992 | US5107234 Surface-wave filter with selectively connectable tracks to provide a variable transmission band |
| 04/21/1992 | US5107164 Length-extentional quartz resonator |
| 04/15/1992 | EP0480562A2 Semiconductor laser device |
| 04/15/1992 | EP0479858A1 Surface wave filter in quasi symmetrical double ring |
| 04/02/1992 | WO1992005592A1 Piezoelectric component-mounting foil and foil-making method |
| 04/01/1992 | EP0477188A1 Process for compensating the non-uniformity of a surface wave convolver |
| 03/25/1992 | EP0476382A1 Surface acoustic wave element provided with output transducer split into a plurality of portions, and communication system using the same |
| 03/25/1992 | CN1016032B Surface acoustic wave device |
| 03/17/1992 | US5096425 Pin-shaped or flat-plate-shaped parallel terminals of an electronic or piezoelectric component for being inserted in a printed circuit board |
| 03/10/1992 | US5095240 Inductively coupled saw device and method for making the same |
| 03/05/1992 | DE4128780A1 Fine structure formation appts. - for plasma etching of substrates or layers comprising vacuum chamber, gas supply, plasma generator, holder, etc. |
| 03/05/1992 | DE4128779A1 Fine structure prodn. appts. for plasma etching of substrates - comprises vacuum chamber, reaction gas supply, plasma generator andsample holder for polyimide etching |
| 03/04/1992 | EP0473096A2 Station for digital communication system and surface acoustic wave module |
| 03/04/1992 | EP0472856A2 Surface acoustic wave device and its manufacturing method |
| 03/03/1992 | US5093638 Unbalanced saw filter |
| 03/03/1992 | US5092978 Apparatus for fabricating piezoelectric films |
| 02/25/1992 | US5091671 Piezoelectric oscillator |
| 02/25/1992 | US5091051 Saw device method |
| 02/25/1992 | US5090254 Polysilicon resonating beam transducers |
| 02/11/1992 | US5087901 Surface acoustic wave band-pass filter with different phase weighted transducers |
| 02/05/1992 | EP0469193A1 Temperature stabilized crystal oscillator |
| 02/04/1992 | US5086283 Dipole transducer array for bulk acoustic wave delay device |
| 01/29/1992 | EP0468052A1 Structure for holding ultrathin plate piezoelectric resonator in package |
| 01/29/1992 | EP0468051A1 Structure of ultra-thin sheet piezoresonator |
| 01/28/1992 | US5084687 Surface acoustic wave encoder/decoder |
| 01/28/1992 | US5084647 Piezoelectric filter |
| 01/28/1992 | US5084646 Electric/acoustic transducers and acoustic/electric transducers for a surface wave device with reduced diffraction and a corresponding surface wave device |
| 01/23/1992 | WO1992001333A1 A method for improving stop-band attenuation of a duplex filter |
| 01/23/1992 | DE4022987A1 Housing for quartz oscillators with retaining base part - is in form of metal frame, open at both sides and surrounding quartz |
| 01/15/1992 | EP0466084A1 SAW electric part and frequency conversion circuit |
| 01/14/1992 | US5081389 Crystal cut angles for lithium tantalate crystal for novel surface acoustic wave devices |
| 01/10/1992 | WO1992016997A1 Ladder type filter |
| 01/07/1992 | US5078834 Method and means for damping modes of piezoelectric vibrators |
| 12/31/1991 | US5077545 Surface acoustic wave waveguide-coupled resonator notch filter |
| 12/31/1991 | US5077544 Ladder-type piezoelectric filter having higher input and output Qm values |
| 12/27/1991 | EP0064506B2 Improvements in or relating to methods of producing devices comprising metallised regions on dielectric substrates |
| 12/26/1991 | WO1991020127A1 Interdigital transducer with finger width weighting for surface wave arrangements |
| 12/24/1991 | US5075652 Wide band surface acoustic wave filter having constant thickness piezoelectric layer and divergent transducers |
| 12/24/1991 | US5075651 VHF wide-bandwidth low impedance monolithic crystal filter having bridged electrodes |
| 12/24/1991 | US5075641 High frequency oscillator comprising cointegrated thin film resonator and active device |
| 12/19/1991 | DE4019004A1 Interdigitalwandler mit fingerbreiten-wichtung fuer oberflaechenwellenanordnungen Interdigital transducer with finger-width weighting for oberflaechenwellenanordnungen |
| 12/19/1991 | DE4018784A1 Surface wave reflection filter |
| 12/17/1991 | US5073898 Communication device |