37168 ⎘
Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezo-electric effect or with electrostriction with foil-type piezo-electric elements, e.g. PVDF
Sub-classes:ELECTRONIC DEVICE AND METHOD FOR IDENTIFYING PRESSURE ON BUTTON
#2DEVICES CONFIGURED FOR NEAR-FIELD ULTRASONIC IMAGING
#3FLEXIBLE FINGERPRINT SENSOR
#4TRANSPARENT FINGERPRINT SENSOR
#5TRANSPARENT PIEZOELECTRIC LAMINATED FILM AND TOUCH PANEL
#6MEDICAL INSTRUMENT WITH A PIEZOELECTRIC SENSOR STACK, AND METHOD FOR PRODUCING SAME
#7Flexible Ultrasonic Sensor with Ultrasonic-Driven Liquid Metal as Conductive Material and Manufacturing Method Thereof
#8THIN FILM DEFORMATION ELEMENT AND MULTI-TACTILE FEEDBACK COMPONENT
#9SENSOR COVER, SENSOR SYSTEM, AND MOTOR VEHICLE
#10DEVICE FOR REMOVING AND PREVENTING THE FORMATION OF ICE ON SURFACES
#11DISPLAY APPARATUS
#12Medical Device With Acoustic Sensor(s) and Method for Localizing Medical Device and Acoustic Source
#13RF FEFLECTOMETER ULTRASONIC IMPEDANCE AND TIME-OF-FLIGHT SENSOR
#14DEVICES CONFIGURED FOR NEAR-FIELD ULTRASONIC IMAGING
#15Driver circuitry and operation
#16AEROSOL GENERATOR CORE
#17VIBRATION STRUCTURE, CONVEYANCE DEVICE, AND TACTILE SENSE PRESENTATION DEVICE
#18Composite article based on a thermoplastic matrix incorporating at least one transducer comprising a piezoelectric polymer
#19Intravascular photoacoustic imaging
#20Piezoelectric micromachined transducer and device
#21VIBRATION DEVICE, VIBRATION APPARATUS, AND MANUFACTURING METHOD OF VIBRATION DEVICE
#22ACOUSTIC AQUATIC TRACKING TRANSMITTER
#23Driver circuitry and operation
#24Film vibration device and fabrication method thereof, and cleaning device including the same
#25WEARABLE TRANSCRANIAL DUAL-MODE ULTRASOUND TRANSDUCERS FOR NEUROMODULATION
#26Auscultatory sound-or-vibration sensor
#27Apparatus with ultrasonic fingerprint sensor and one or more resonators, and related systems and methods
#28Vibration device and electronic equipment
#29HIGH RESOLUTION INTRAVASCULAR ULTRASOUND (H-IVUS)
#30Optimization of an acoustic membrane array
#31ACOUSTOFLUIDIC DEVICE
#32ULTRASONIC FINGERPRINT RECOGNITION ASSEMBLY AND ELECTRONIC DEVICE
#33Vibration apparatus and apparatus including the same
#34Driver circuitry and operation
#35PATTERNING OF ORGANIC FILM BY WET ETCHING PROCESS
#36Display substrate for double-sided display and manufacturing method thereof, display panel and display device
#37SCANNING APPARATUS
#38Method for preparing polymer composite material and display panel for fingerprint recognition
#39Piezoelectric polyvinylidene fluoride material, method for manufacturing same, and fingerprint recognition module
#40Vibration generation device, and display apparatus and vehicle comprising the same
#41Interventional device with PVDF ultrasound detector
#42Vibration device
#43Touch panel, driving method thereof, and display device
#44Needle with thin film sensors
#45Noise management system, a window system and related methods
#46Method for producing piezoelectric element, and piezoelectric element
#47Split electrode design for a transducer
#48Wiring harness for use with auscultatory sound-or-vibration sensors
#49Method for manufacturing fingerprint recognition module, fingerprint recognition module, and display device
#50Display device
#51Methods and devices for haptic communication
#52Display device including sensor
#53PIEZOELECTRIC MICROMACHINED ULTRASONIC TRANSDUCER (PMUT)
#54Piezoelectric poling of a wafer with temporary and permanent electrodes
#55Dual frequency ultrasound transducer including an ultrahigh frequency transducer stack and a low frequency ultrasound transducer stack
#56Display device and sound providing method of the display device
#57Integrated systems with force or strain sensing and haptic feedback
#58Vibration structure and electronic device
#59Biosensor
#60Bi-directional neuron-electronic device interface structures
#61Vibration generation device, and display apparatus and vehicle comprising the same
#62ULTRASONIC TREATMENT OF MINED SAND PROPPANT FOR HYDRAULIC FRACTURE TREATMENT IN THE OIL/GAS INDUSTRY AND CLEANED QUARTZ SOURCE FOR THE GLASS INDUSTRY
#63Methods of forming parts using forming tools and flexible ultrasonic transducer arrays
#64Device and Method for Accelerating Orthodontic Treatment Using Mechanical Vibrations
#65Display panel and driving method therefor, and display apparatus
#66Systems and methods for a quantum-analogue computer
#67Touch-control panel and touch-control device for providing tactile feedback and method thereof
#68Membrane hydrophone for high frequency ultrasound and method of manufacture
#69Surgical tool with flex circuit ultrasound sensor
#70Method and apparatus for proximity control between rotating and non-rotating aircraft components
#71Haptic feedback fiber body, haptic feedback fabric and wearable device
#72HAPTIC ACTUATOR ASSEMBLY WITH A SPRING PRE-LOAD DEVICE
#73Haptic actuator assembly with a pre-load device
#74Acoustofluidic components and process for their preparation
#75Wearable transcranial dual-mode ultrasound transducers for neuromodulation
#76Methods and apparatus for driving a transducer
#77ULTRASOUND TRANSDUCER
#78EMI reduction in piezoelectric micromachined ultrasound transducer array
#79THIN AND FLEXIBLE LOUDSPEAKER USING ONE OR MORE PIEZOELECTRIC DIAPHRAGMS
#80Fingerprint sensing display apparatus
#81Vibration structure, vibration device, and tactile sense presentation device
#82Combination motion and acoustic piezoelectric sensor apparatus and method of use therefor
#83Electroacoustic transducer
#84Layer for inducing varying delays in ultrasonic signals propagating in ultrasonic sensor
#85System and method for ultrasonic sensing
#86Sliding range gate for large area ultrasonic sensor
#87Auscultatory sound-or-vibration sensor
#88Ultrasonic transducer with tensioned film
#89Ultrasonic transducer pixel readout circuitry and methods for ultrasonic phase imaging
#90Ultrasound transducer and method of forming ihe same
#91Ultrasonic transducer electrode assembly
#92Multi-element bending transducers and related methods and devices
#93Ultrasonic receiver with coated piezoelectric layer
#94Transducer laminate
#95Vibration device and tactile presentation device
#96Transducer transfer stack
#97Vibrating device and tactile sense presenting device
#98Local haptic actuation system
#99Ultrasonic device, ultrasonic module, and ultrasonic measuring device
#100Mounting structure, ultrasonic device, ultrasonic probe, ultrasonic apparatus, electronic apparatus, and manufacturing method of mounting structure
#101Intravascular photoacoustic imaging
#102Aspects of sonar systems or other acoustic imaging systems
#103Piezoelectric micromachined ultrasonic transducer (PMUT)
#104Dual frequency ultrasound transducer including an ultrahigh frequency transducer stack and a low frequency ultrasound transducer stack
#105Ultrasonic device, ultrasonic module, and ultrasonic measurement apparatus
#106Vibration-type-motor driving apparatus
#107Ultrasonic transducer device, probe, electronic instrument, and ultrasonic diagnostic device
#108Porosity control in piezoelectric films
#109Vibrating device and tactile sense presenting device
#110Membrane hydrophone for high frequency ultrasound and method of manufacture
#111Acoustic transducer element
#112Ultrasonic transducer electrode assembly
#113Combination motion and acoustic piezoelectric sensor apparatus and method of use therefor
#114Electroacoustic converter film
#115Electroacoustic conversion film, electroacoustic converter, flexible display, and projector screen
#116Forming tools and flexible ultrasonic transducer arrays
#117Method, apparatus and system for a transferable micromachined piezoelectric transducer array
#118Process of manufacturing a piezopolymer transducer with matching layer
#119Film-type piezoelectric/electrostrictive element
#120Electromechanical polymer-based linear resonant actuator
#121Haptic feedback using composite piezoelectric actuator
#122Wirebonding fixture and casting mold
#123Method of manufacturing an ultrasonic transducer electrode assembly
#124Wirebonding fixture and casting mold
#125Porosity control in piezoelectric films
#126Method for focusing miniature ultrasound transducers
#127Acoustic source for generating an acoustic beam
#128System and method for sonic wave measurements using an acoustic beam source
#129System for delivering ultrasonic energy to a liquid and use for cleaning of solid parts
#130Electronic spray device improvements
#131Thin film ultrasound transducer
#132Piezopolymer transducer with matching layer
#133METHODS AND SYSTEMS FOR IMPROVING ACTUATOR PERFORMANCE BY REDUCING TENSILE STRESSES IN PIEZOELECTRIC THIN FILMS
#134Combination motion and acoustic piezoelectric sensor apparatus and method of use therefor
#135Bandwidth enhancing liquid coupled piezoelectric sensor apparatus and method of use thereof
#136Flexible microsphere coated piezoelectric acoustic sensor apparatus and method of use therefor
#137ELECTROACTIVE POLYMER TRANSDUCERS FOR TACTILE FEEDBACK DEVICES
#138Method for manufacturing piezoelectric element
#139Haptic feedback using composite piezoelectric actuator
#140Hybrid electric device using piezoelectric polymer substrate
#141Array type ultrasound probe, manufacturing method and driving method of array type ultrasound probe
#142Longitudinal pulse wave array
#143APPARATUS FOR PREVENTING EAVESDROPPING USING PIEZOELECTRIC FILM
#144Ultrasonic transducer with a retracted portion on a side surface of the piezoelectric layer
#145Array type ultrasound probe, manufacturing method and driving method of array type ultrasound probe
#146Ultrasonic sensor and manufacture method of the same
#147Thin film transparent acoustic transducer
#148Handheld device having ultrasonic transducer for axial transmission of acoustic signals
#149Low profile acoustic sensor array and sensors with pleated transmission lines and related methods
#150Ultrasonic transducer for electronic devices
#151Surface acoustic antenna for submarines
#152Piezoelectric vibration sensor
#153Method for constructing a parametric transducer having an emitter film
#154Method of manufacturing ultrasound transducer device having acoustic backing
#155Backing material for micromachined ultrasonic transducer devices
#156Panel sounding display device
#157Haptic actuator assembly with a spring pre-load device
#158Haptic actuator assembly having a magnetic pre-load device