| Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116) |
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| 11/10/1987 | US4705979 Stress and temperature compensated surface acoustic wave devices |
| 11/03/1987 | CA1228912A1 Surface acoustic wave passive transponder having amplitude and phase-modifying surface pads |
| 11/03/1987 | CA1228911A1 Surface acoustic wave passive transponder having acoustic reflectors |
| 10/27/1987 | US4703290 Acoustic wave filter |
| 10/27/1987 | US4703218 Piezo-electric assembly |
| 10/27/1987 | US4701987 Process for manufacturing high frequency quartz resonators |
| 10/20/1987 | US4701661 Piezoelectric resonators having a lateral field excited SC cut quartz crystal element |
| 10/20/1987 | US4701657 Dispersive interdigital transducer for arrangements operating with acoustic waves |
| 10/14/1987 | EP0241236A2 Cavity package for saw devices and associated electronics |
| 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 | US4697116 Aluminum, piezoelectric, electrode layers |
| 09/29/1987 | US4697115 Surface acoustic wave device |
| 09/22/1987 | US4695756 Laminated terminal layer for electronic component |
| 09/16/1987 | EP0237208A2 SAW device with apodized IDT |
| 09/15/1987 | US4694266 Notch filter |
| 09/08/1987 | US4692722 Compact frequency dispersive bulk acoustic wave channelizer |
| 09/02/1987 | EP0234153A1 Improvements relating to piezoelectric resonators |
| 09/01/1987 | US4691178 Ultrasonic delay line |
| 08/27/1987 | DE3606214A1 Holder for the substrate wafer of a surface acoustic wave component |
| 08/25/1987 | US4689586 Surface elastic wave device |
| 08/18/1987 | CA1225707A1 Resonator with a low sensitivity to accelerations |
| 08/18/1987 | CA1225706A1 Self-suspended high overvoltage resonator |
| 08/12/1987 | EP0109446B1 Variable frequency oscillator |
| 08/11/1987 | US4686407 Split mode traveling wave ring-resonator |
| 08/11/1987 | US4686324 Cold-seal package for withstanding high temperatures |
| 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 | US4684906 Solid ultrasonic delay line |
| 08/04/1987 | US4684843 Piezo-resonator and manufacturing method therefor |
| 08/04/1987 | US4684841 Saw devices including resistive films |
| 07/28/1987 | US4683395 Surface acoustic wave device |
| 07/28/1987 | US4683394 Acoustic surface wave resonator device |
| 07/21/1987 | US4682130 Filter functioning with acoustic waves |
| 07/14/1987 | US4680497 Surface acoustic wave devices |
| 07/07/1987 | US4679014 Filter functioning with acoustic waves |
| 06/30/1987 | US4677336 Piezoelectric transducer and process for its production |
| 06/30/1987 | US4676816 Method of manufacturing a hermetically sealed component housing, in particular for quartz resonators |
| 06/24/1987 | EP0226372A2 SAW resonator or resonator filter |
| 06/16/1987 | US4673901 Electrical filter operating with acoustic waves |
| 06/10/1987 | EP0224866A2 Surface acoustic wave circuit element |
| 06/09/1987 | US4672339 Electric filter employing acoustic waves |
| 06/09/1987 | US4672338 Saw filter having response enhanced via dampening |
| 06/09/1987 | US4672255 Surface acoustic wave device |
| 06/09/1987 | US4672254 Surface acoustic wave devices and method of manufacture thereof |
| 06/09/1987 | US4671605 Length dependent, optical time delay/filter device for electrical signals |
| 06/02/1987 | US4670681 Singly rotated orientation of quartz crystals for novel surface acoustic wave devices |
| 06/02/1987 | US4670680 Doubly rotated orientations of cut angles for quartz crystal for novel surface acoustic wave devices |
| 06/02/1987 | CA1222561A1 Intermediate frequency saw filter with nyquist phase modulation correction |
| 05/27/1987 | EP0223554A2 Dispersive saw filter with tapered transducers |
| 05/27/1987 | EP0223546A2 Telephone line access apparatus |
| 05/20/1987 | EP0222272A2 Flat housing for hermetically enclosing piezo-electric components |
| 05/20/1987 | EP0222012A1 Resonant sensor and method of making same. |
| 05/19/1987 | US4666822 Slab-shaped mono crystalline piezoelectric material |
| 05/14/1987 | DE3539518A1 Connecting elements, especially connecting tabs for sheathed electrical components, component groups or integrated circuits which are arranged on a carrier, especially surface-acoustic-wave (SAW) filters |
| 05/12/1987 | US4665374 Monolithic programmable signal processor using PI-FET taps |
| 05/06/1987 | EP0220959A2 Ceramic electronic device and method of manufacturing the same |
| 05/06/1987 | EP0220320A1 Piezo-electric resonator for generating overtones |
| 05/05/1987 | US4663746 Self-scanned time multiplexer with delay line |
| 05/05/1987 | US4663554 Surface acoustic wave device |
| 04/28/1987 | US4661738 Compensation techniques for temperature effects and non-uniform amplitude distributions in saw devices |
| 04/22/1987 | EP0219182A2 Staggered saw resonator differential detection |
| 04/21/1987 | US4659955 Surface-propagating acoustic wave device |
| 04/14/1987 | US4658174 Vibrating beam force transducer with angled isolator springs |
| 04/14/1987 | US4658173 Piezoelectric vibrator and method of adjusting vibrating frequency thereof |
| 04/14/1987 | US4656707 Method of fabricating a high-frequency piezoelectric resonator |
| 04/08/1987 | EP0217713A1 Miniature oscillator including a thermostat |
| 04/07/1987 | US4656385 Housing having grooves therein for mounting a piezoelectric ladder filter |
| 03/31/1987 | US4654546 Electromechanical film and procedure for manufacturing same |
| 03/24/1987 | US4652787 Piezoelectric oscillator |
| 03/24/1987 | US4652784 Trapped-energy mode resonator and method of manufacturing the same |
| 03/17/1987 | US4651109 Piezoelectric resonance component having an improved group delay time characteristic |
| 03/17/1987 | US4651042 Piezoelectric vibrator and manufacturing method thereof |
| 03/11/1987 | EP0213372A2 Dispersive interdigital transducer for devices operating with acoustical waves |
| 03/11/1987 | EP0213288A2 Solid ultrasonic delay line |
| 03/11/1987 | EP0063586B1 Surface acoustic wave device with reflectors |
| 03/10/1987 | US4649509 Surface acoustic wave convolver arrangement with closely spaced impedance matched input transducers |
| 03/10/1987 | US4649392 Two dimensional transform utilizing ultrasonic dispersive delay line |
| 03/10/1987 | US4649357 Surface-acoustic-wave filter |
| 03/10/1987 | US4649313 Piezoelectric displacement element |
| 03/10/1987 | US4649310 Piezoelectric vibrating element |
| 03/04/1987 | EP0212418A2 Acoustic-wave convolver apparatus |
| 03/04/1987 | EP0212399A2 Dual-track acoustic-wave convolver with self-convolution suppression |
| 03/04/1987 | EP0212341A2 Compensation circuit for a modulable crystal with a constant modulation slope |
| 03/03/1987 | US4647881 Surface acoustic wave device |
| 02/19/1987 | DE3608452A1 Electrical filter circuit |
| 02/17/1987 | US4644297 Frequency locked loop for the temperature compensation of phase coded surface acoustic wave devices |
| 02/10/1987 | US4642511 Edge-mounting configuration for at-strip resonators |
| 02/10/1987 | US4642510 Mount for quartz crystal oscillator device |
| 02/10/1987 | US4642508 Piezoelectric resonating device |
| 02/10/1987 | US4642507 Saw devices with reflection-suppressing fingers |
| 02/10/1987 | US4642506 Surface acoustic wave device with reflectors in inter-electrode location |
| 02/10/1987 | CA1217853A Temperature compensated orientation of berlinite for surface acoustic wave devices |
| 02/03/1987 | US4641055 Piezoelectric resonator with notched sides |
| 02/03/1987 | US4639988 Method of making quartz oscillators |
| 01/27/1987 | US4639698 Ceramic electronic filter |
| 01/27/1987 | US4639697 Temperature compensation circuitry |
| 01/27/1987 | US4639695 Wideband saw channellizer using slanted array input transducer |
| 01/27/1987 | US4639632 Piezoelectric resonator mountings |