Patents
Patents for H03H 9 - Networks comprising electromechanical or electro-acoustic elements; Electromechanical resonators (20,116)
12/1998
12/16/1998EP0884841A2 Energy-trapped type thickness extensional vibration mode piezoelectric resonator
12/16/1998EP0884840A2 Thickness extensional vibration mode piezoelectric resonator
12/16/1998CN1202041A Ladder filter having edge-reflection type saw resonators
12/16/1998CN1202040A Piezoelectric resonator and electronic component device using the same
12/15/1998US5850167 Surface acoustic wave device
12/15/1998US5850166 Piezoelectric ceramic filter circuit and piezoelectric ceramic filter
12/10/1998WO1998056109A1 Elastic surface-wave device
12/10/1998WO1998056050A1 Electrode edge wave patterns for piezoelectric resonator
12/10/1998WO1998056049A1 Electrode edge wave patterns for piezoelectric resonator
12/10/1998DE19724259A1 Dualmode-Oberflächenwellenfilter Dual-mode surface acoustic wave filter
12/10/1998DE19724255A1 Transversalmodenresonatorfilter Transversalmodenresonatorfilter
12/08/1998US5847626 Balanced-type surface acoustic wave lattice filter
12/08/1998US5847489 Piezoelectric device and a package
12/08/1998US5847486 Love-wave device including a thin film of TA or W
12/03/1998WO1998054836A1 Surface micromachined acoustic wave piezoelectric crystal
12/02/1998EP0881763A2 Surface acoustic wave filter circuit having plural passing bands
12/02/1998EP0881762A1 Surface acoustic wave device
12/02/1998CN1200579A Electronic component involving 3-terminal tape piezo-electric device
12/02/1998CN1200578A Electronic component involving two-terminal type piezo-electric device
12/01/1998US5844453 Surface acoustic wave filter utilizing a transducer having interdigital electrodes and continuously adjacent electrodes
12/01/1998US5844452 Piezoelectric ladder filter utilizing resonator with electrodes on opposite side edges
12/01/1998US5844348 Piezoelectric resonant part and method of manufacturing the same
12/01/1998US5844347 Saw device and its manufacturing method
11/1998
11/25/1998EP0880227A2 Filters utilizing thin film stacked crystal filter structures and thin film bulk acoustic wave resonators
11/25/1998EP0879413A1 Surface wave liquid sensor
11/25/1998CN1200206A Surface mounting piezoelectric wave filter
11/25/1998CN1199958A Piezoelectric resonator and method of manufacturing the same
11/25/1998CN1040927C An improved ceramic deplex filter
11/24/1998US5841217 Surface mounting crystal unit
11/24/1998US5839178 Method of making a energy-trapped type piezoelectric resonator
11/19/1998WO1998052281A1 Surface wave device balun resonator filters
11/19/1998WO1998052280A1 Piezoelectric thin film device
11/19/1998WO1998052279A1 Elastic wave device
11/19/1998DE19822028A1 Ladder-filter with edge reflection acoustic surface wave filter resonators
11/18/1998EP0878905A2 Surface acoustic wave element having a bump electrode and surface acoustic wave device comprising the same
11/18/1998EP0878902A1 Oscillator circuit
11/18/1998CN1199249A Thickness extensional vibration mode piezoelectric resonator and piezoelectric resonator part
11/17/1998US5839062 Mixing, modulation and demodulation via electromechanical resonators
11/17/1998US5838217 Longitudinally coupling acoustic surface wave double mode filter utilizing end-face reflecting waves
11/17/1998US5838093 Piezoelectric element package in which a piezoelectric element on a chip carrier is reliably shielded by using a cap
11/17/1998US5838091 Surface acoustic wave device including IDT electrode having solid electrode portion and split electrode portion
11/17/1998US5838090 Surface acoustic wave device
11/17/1998US5838089 For propagating surface acoustic waves
11/15/1998CA2237499A1 Selected overtone resonator with channels
11/15/1998CA2237497A1 Selected overtone resonator with two or more coupled resonant thicknesses
11/12/1998WO1998051011A1 Elastic boundary wave device and method of its manufacture
11/12/1998WO1998051010A2 Surface wave duplexer
11/12/1998WO1998051009A1 SURFACE ACOUSTIC WAVE AND BULK ACOUSTIC WAVE DEVICES USING A Zn(1-x) YxO PIEZOELECTRIC LAYER DEVICE
11/12/1998WO1998051008A1 Surface acoustic wave devices containing isolated interdigitated electrodes
11/12/1998DE19819036A1 Arrangement with electronic components
11/12/1998DE19719467A1 OFW-Duplexer SAW duplexer
11/11/1998EP0877480A2 Thickness extensional vibration mode piezoelectric resonator and piezoelectric resonator component
11/11/1998CN1198611A Electronic element with structure for preventing substrate from separation on stick portion
11/10/1998US5835990 Longitudinally coupled double mode surface wave resonators
11/10/1998US5834881 Mounting arrangement for crystal resonators
11/10/1998US5833869 Method for etching photolithographically produced quartz crystal blanks for singulation
11/05/1998WO1998049774A1 Surface acoustic wave matched filter
11/04/1998CN1198270A Piezoelectric vibration device
11/04/1998CN1198037A Piezoelectric resonator and electronic component using the same
11/03/1998US5831494 Dual track low-loss reflective saw filter
11/03/1998US5831493 Surface acoustic wave ladder filter utilizing a generated spurious component of the parallel arm
11/03/1998US5831492 Weighted tapered spudt saw device
11/03/1998US5831369 Encapsulation for electronic components and method for producing the encapsulation
10/1998
10/29/1998WO1998048464A1 Thin film piezoelectric element, method for manufacturing the same, and circuit element
10/29/1998DE19716531A1 Acoustic surface wave resonator
10/29/1998CA2259034A1 Thin film piezoelectric element, method for manufacturing the same, and circuit element
10/28/1998EP0874457A2 SAW filter with inter-stage matching SAW resonator
10/28/1998EP0874456A1 Piezoelectric resonator and electronic component using the same
10/28/1998EP0874455A1 Surface acoustic wave device
10/28/1998EP0874454A1 Piezoelectric resonator and electronic component device using the same
10/28/1998EP0873590A1 High frequency saw device
10/28/1998CN1197329A Saw filter with inter-stage matching saw resonator
10/28/1998CN1197328A Differential input/output surface acoustic wave device with proximity coupling
10/28/1998CN1197327A Piezoelectric filter
10/27/1998US5828159 Resonator device adapted for suppression of fluctuation in resonant resistance, and method of producing same
10/22/1998WO1998047226A1 At-cut crystal resonator
10/21/1998EP0872954A1 Surface acoustic wave device with proximity coupling and with differential inputs and outputs
10/21/1998CN1196607A Energy-trapping piezoelectric resonator
10/21/1998CN1040385C Mass simultaneous sealing and electrical connection of electronic devices
10/20/1998US5825262 Ladder filter with piezoelectric resonators each having a plurality of layers with internal electrodes
10/20/1998US5825120 Electronic component
10/20/1998US5824951 Electronic part comprising a casing with a narrow groove formed in the casing
10/15/1998DE19816488A1 Energy-saving piezoelectric resonator e.g for piezoelectric filter or oscillator
10/15/1998DE19722859C1 Surface acoustic wave (SAW) resonator e.g. for narrow-band bandpass filters and oscillators
10/14/1998EP0871288A2 Surface acoustic wave device
10/13/1998US5821834 Surface wave device with capacitance
10/13/1998US5821833 Stacked crystal filter device and method of making
10/13/1998US5821743 Magnetostrictive waveguide position measurement apparatus with piezoceramic element
10/13/1998US5821673 Wafer and surface acoustic wave device
10/13/1998US5821672 Surface mounting type electronic device
10/13/1998US5821665 Surface acoustic wave device and method of manufacture
10/08/1998DE19814688A1 Chip-type piezoelectric filter
10/08/1998DE19813735A1 Energy-trap piezoelectric filter
10/07/1998EP0869609A1 Surface acoustic wave device
10/07/1998EP0869608A2 Surface acoustic wave device
10/07/1998EP0868780A1 Filter operating with acoustic surface waves (sw filter)
10/07/1998EP0868779A1 Electronic component, especially one operating with acoustic surface waves (sw component)
10/07/1998EP0868778A1 Electronic component, especially one operating with acoustic surface waves (sw component)
10/07/1998EP0868777A1 Electronic component, especially one operating with acoustic surface waves (sw component)
10/07/1998EP0868776A1 Electrical component, especially one operating with acoustic surface waves (sw component) and process for its production