Segmented damping plates reduce ringing time and electrical noise for shorter ultrasonic distance measurements.
Coil springs with specific winding directions create a rotational bias force that suppresses noise from rotational vibrations in thin mobile devices.
Foamed silicone resin merges filler and acoustic absorbent functions to seal the cavity, reducing component count and manufacturing complexity.
Segmented coils and opposing magnets create superposed driving force, reducing response time in portable devices.
Alternating between light transmissive body and flange portion vibration modes prevents optical axis displacement while removing water droplets.
Equal-mass working jackets on a soil preparation roller ensure constant system weight, resolving the trade-off between adaptability and compaction efficiency.
Fluid plungers in a downhole inertial mass system generate compression waves to transmit seismic energy into surrounding earth formations.
Piezoelectric layers convert electrical signals into mechanical vibrations for transmission across the substrate, eliminating separate panels.
A configurable active termination driver processes back electromagnetic force signals to determine the resonant frequency of a haptic transducer.
Elevated ultrasonic components on a substrate reduce vibration transmission, resolving short-distance sensing sensitivity loss from circuit board resonance.
Transmitter circuit samples driving waveforms to calibrate mirror symmetry, eliminating imaging distortions caused by transducer asymmetry.
Side-mounted Langevin transducer drives a resonant vibration head to generate ultrasonic waves near the liquid surface.
Unequal front and rear mass densities amplify oscillation energy in lead-free piezoelectric transducers, matching leaded material performance.
Vibration sensors detect impact waves on a mounting to control a mobile device without direct contact.
Drive circuit couples impedance with piezoelectric actuator to form a tank circuit, eliminating frequency sweeping and reducing electrical requirements.
A sonotrode apparatus uses a separable sonic horn to emit acoustic waves for levitation.
A frequency controller adjusts drive voltage to match conversion circuit impedance with ultrasonic vibrator resonance.
Edge detection on a dedicated timing signal synchronizes ultrasound transmission and reception phases, eliminating serial communication delays.
High-energy ultrasonic waves propagate through titanium alloy frames to release internal residual stress without causing microcrack damage.
A 90-degree adaptor transitions conductors from transducer elements to a printed circuit board.
Staggered elastic members with avoiding holes prevent interference during welding, ensuring reliable assembly and stable vibration performance.
Iteratively adapting phase position and damping energy through training sequences resolves the contradiction between high reliability and low device complexity.
A micromachined ultrasonic transducer circuit electrically controls membrane movement to transmit ultrasonic waves.
Integrating circuit board insulation with coil support eliminates separate layers, reducing linear motor volume while maintaining structural stability.
A second substrate wall restricts adhesive spread during bonding, stabilizing resonance frequency by preventing variable rigidity changes in the sealing plate.
Rear substrate surface structures scatter ultrasonic waves, suppressing disruptive echoes that reduce measurement accuracy in piezoelectric sensors.
Segmented rod-shaped piezo elements enable controlled in-plane and out-of-plane vibrations above 100 kHz for accurate MEMS device calibration.
Replacing silicon nitride with photoresist for the vibrating film eliminates complex etching steps and prevents fracture during repeated vibrations.
A polymer composite material replaces protective glass in ultrasonic fingerprint modules to enhance signal contrast.
A concave portion on the insulating film reduces contact area and charge transfer, maintaining sensitivity stability while allowing larger vibration amplitudes.
Dual vibrators at gripping heads transmit impacts directly, eliminating sideway forces and reducing energy loss from unnecessary movable masses.
A piezoelectric transducer controller derives equivalent circuit parameters from phase response to determine sideband imbalance.
Merging separate U-shaped components into one structure eliminates assembly complexity while enhancing Z-axis support strength and vibration stability.
Gradient dielectric patterns in CMUTs lower pull-in voltage, resolving safety risks from high operating voltages.
Variable eccentric shaft adjusts angular position via speed-triggered locking and clamping mechanisms.
Balancing contraction forces via controlled molar ratios prevents tensile stress and cracking during cooling of laminated piezoelectric thin film structures.
Reducing drive electrode area to 75% of the piezoelectric plate lowers power by 25% while limiting displacement loss to 11.2%.
Matrix ultrasonic transducers use series-connected elements on overlapping substrates to enhance signal sensitivity and reduce electrostatic capacitance.
Non-uniform dielectric protrusions reduce contact stress and accumulated charge in MEMS transducers.
A vibration device uses a thin resin film to seal the piezoelectric element within a defined wall structure.
Hydraulic actuators expand perpendicularly to clamp the adapter onto the pile member, preventing slippage and ensuring reliable transfer of oscillating force.
Dual vibrators with interacting magnetic circuits generate driving forces in opposite directions to enhance vibration feeling.
Integrating evaluation electronics into the container eliminates wire connections, reducing assembly complexity while maintaining reliable electrical coupling.
Segmented ultrasonic elements reduce reverberation time below 60 μs, enabling precise detection of surface irregularities at distances as close as 10 mm.
Seeding particles increase acoustic radiation pressure to trap analytes, enabling higher flow rates and continuous operation without excessive heat generation.
A dynamic ultrasonic generator adjusts output power to match nozzle load conditions.
A linear actuator uses a cylindrical permanent magnet and gel damper to drive axial movement.
Sweep controllers restrict frequency sweep parameters on a two-dimensional map to maintain driving efficiency despite resonance variations.
Separate transmission and reception electrodes in a PMUT eliminate signal overlap, boosting strength while reducing crosstalk.