Patents
Sitemap › H03 - Basic electronic circuitry › H03H - Impedance networks, e.g. resonant circuits; Resonators › H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators
Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116)
11/1984
11/27/1984US4485325 Housing and mounting for a chip-like piezoelectric vibrator component
11/27/1984CA1178667A1 Surface acoustic wave (saw) devices
11/20/1984US4484160 Electronic component operating with acoustic waves
11/20/1984US4484158 Monolithic crystal filter and method of manufacturing same
11/20/1984US4484098 Environmentally stable lithium niobate acoustic wave devices
11/20/1984CA1178348A1 Elastic surface wave recursive filter
11/14/1984EP0125177A1 Quartz oscillator with temperature compensation
11/14/1984EP0124600A1 An improved trapped energy resonator for multiple resonator application
11/13/1984US4482833 Method for obtaining oriented gold and piezoelectric films
11/13/1984CA1177951A1 Acoustic diffractometer
11/08/1984WO1984004434A1 Apparatus for suppression of spurious attenuation poles in crystal filters
11/08/1984WO1984004433A1 Surface wave device with over sampled withdrawal weighting
11/08/1984WO1984004432A1 Transversely weighted surface acoustic wave device
11/07/1984EP0124019A2 Surface acoustic wave resonator filter
11/06/1984US4481488 Trapped energy resonator for oscillator and multiple resonator applications
11/06/1984US4480384 Method of attaching a resonator casing to a printed circuit
10/1984
10/31/1984EP0122918A1 Acoustic charge transport device and method.
10/30/1984US4480237 Surface acoustic wave apparatus with a variable amplitude-frequency characteristic
10/30/1984US4480209 Multilayer-silicon substrate, dielectric, zinc oxide with attached electrodes
10/30/1984US4480148 Electrical device package
10/30/1984CA1177126A1 Piezoelectric elastic-wave convolver device
10/23/1984CA1176720A1 Acoustic wave devices
10/16/1984US4477784 Surface wave dispersive acoustic delay line
10/09/1984US4476411 Rectangular thickness shear quartz crystal oscillator
10/02/1984CA1175546A1 Stress-compensated quartz resonators
09/1984
09/25/1984US4473767 Surface acoustic wave convolver with depletion layer control
09/25/1984CA1174871A1 Quartz thermometer
09/18/1984US4472694 Acoustic surface wave device
09/18/1984US4472656 Temperature sensor and method using a single rotated quartz crystal
09/18/1984US4472655 Tuning fork flexural quartz resonator
09/18/1984US4472654 Piezoelectric tuning fork vibrator with reduced vibrational leakage
09/18/1984US4472653 Electrode pattern for surface acoustic wave device
09/18/1984US4472652 Electrode piezoelectric devices including surface wave devices
09/12/1984EP0118272A2 Mechanically coupled electrical filter
09/11/1984US4471259 Crystal package for a high-G environment
09/11/1984CA1174303A1 Elastic surface wave recursive filter using a passive resonator
09/05/1984EP0117253A1 Cylindrical piezoelectric vibrator
09/04/1984US4470026 Acoustical wax on a surface wave device
09/04/1984US4469979 Microresonator of double-ended tuning fork configuration
09/04/1984US4469975 Piezoelectric vibrator device including vibrator element and frame of unitary construction
08/1984
08/29/1984EP0117081A2 Surface acoustic wave dispersive delay lines
08/29/1984EP0116800A1 Excitable piezoelectric epitaxial structure and electronic device for the generation of surface acoustic waves therein
08/29/1984EP0116680A2 A temperature-compensated crystal resonator unit
08/28/1984US4468642 Band pass filter device
08/28/1984US4468584 Unidirectional flexure type tuning fork crystal vibrator
08/28/1984US4468582 Piezoelectric resonator chip and trimming method for adjusting the frequency thereof
08/28/1984CA1173525A1 Two-pole monolithic crystal filter
08/21/1984US4467295 Solid ultrasonic delay line
08/21/1984US4467235 Surface acoustic wave interferometer
08/14/1984CA1172713A1 Acoustic filter with harmonic rejection
08/07/1984US4464639 Ferroelectric surface acoustic wave devices
08/07/1984US4464599 Piezoelectric resonator with integrated capacitances
08/07/1984US4464598 Piezoelectric resonator with "drawer"
08/07/1984US4464597 Surface acoustic wave device comprising an interdigital transducer having omitted fingers
07/1984
07/31/1984US4463327 Surface acoustic wave device
07/24/1984US4462011 Low drift relative phase sensor employing surface acoustic waves
07/24/1984CA1171516A1 Multiple mode piezoelectric resonator
07/17/1984US4460995 Narrow focus compensating transducer for surface acoustic wave filter
07/03/1984US4458221 Surface acoustic wave filter
07/03/1984US4458169 Microwave warmup device for HF resonator
06/1984
06/27/1984EP0111978A2 Surface acoustic wave device
06/26/1984US4456850 Piezoelectric composite thin film resonator
06/26/1984US4456847 Surface acoustic wave device
06/19/1984US4455503 Rectangular piezoelectric resonator with a slot in one surface
06/19/1984US4455502 Rectangular piezoelectric resonator with offset slot
06/19/1984CA1169505A1 Surface acoustic wave filters
06/19/1984CA1169504A1 Triple transit cancellation
06/12/1984US4454488 Surface acoustic wave resonator with middle grating
06/12/1984US4454444 Lithium tantalate
06/12/1984US4454443 Quartz resonators for acceleration environments
06/05/1984US4453105 Mode coupled quartz crystal tuning fork
06/05/1984US4453104 Low-profile crystal package with an improved crystal-mounting arrangement
05/1984
05/30/1984EP0109446A1 Variable frequency oscillator
05/29/1984US4451805 Surface acoustic wave filter
05/29/1984US4451755 Acceleration sensitivity reduction method
05/29/1984US4451754 High frequency piezoelectric resonator
05/29/1984US4451753 Piezoelectric device with surface charge shunt
05/29/1984CA1168322A1 Acoustic wave bandpass electrical filters
05/22/1984US4450420 Surface acoustic wave filter
05/22/1984US4450378 ZT-Cut piezo-electric resonator
05/22/1984US4450377 Integrated circuit with piezoelectric resonator mounted on blocks comprising capacitors
05/22/1984US4450374 Oxygen-plasma passivated and low scatter acoustic wave devices
05/22/1984CA1167664A1 Resonator force transducer
05/15/1984US4449107 Zinc oxide layer on silicon substrate
05/15/1984US4448805 Resistive links between regions to prevent arcing
05/10/1984WO1984001857A1 An improved trapped energy resonator for multiple resonator application
05/08/1984US4447754 Broad band surface acoustic wave edge deposited transducer
05/08/1984US4447753 Miniature GT-cut quartz resonator
05/01/1984US4445256 Method of manufacturing piezoelectric resonator components
04/1984
04/25/1984EP0106384A2 Acoustic surface wave device
04/25/1984EP0106199A2 Surface-acoustic wave filter and method of producing an absorbing layer
04/25/1984EP0106189A2 Surface-acoustic wave filter and method of producing the filter
04/24/1984US4445066 Electrode structure for a zinc oxide thin film transducer
04/17/1984US4443732 Temperature-compensated crystal resonator unit
04/17/1984US4443728 GT-Cut quartz resonator
04/17/1984CA1165830A2 Isolating and temperature compensating system for resonators
04/10/1984CA1165410A1 Combined series sections weighting with withdrawal weighting in saw transducers
04/04/1984EP0104740A2 Broad band surface acoustic wave edge deposited transducer
04/04/1984EP0104314A2 Surface-acoustic wave filter
03/1984
03/28/1984EP0103932A2 Acoustic surface wave device
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