Loudspeakers TRIZ Cases

A speaker unit frame incorporates circumferential pipe conduits and strategic holes to equalize internal air pressure with the external environment.

An intermediate latch on the elastic arm engages a frame protrusion, stabilizing electrical connections without increasing component length.

Segmented magnetic circuit drives diaphragm vibration with higher force density, resolving the trade-off between speaker size and magnetic efficiency.

Integrating speaker and vibrator functions within one frame reduces occupied interior space while simplifying the manufacturing process.

A speaker frame uses strategic gaps to redirect dust away from the magnetic circuit.

A centering tee aligns the loudspeaker moving assembly with the motor structure, enabling field replacement by unskilled workers without specialized gauges.

Recessed glue slots on speaker diaphragms increase adhesive thickness to secure flexible printed circuit boards against vibration-induced detachment.

A noise reduction filter adjusts frequency transfer characteristics to control sound output from multiple speakers.

Symmetric voice coil alignment balances motor force and inductance, reducing non-linear distortion caused by asymmetric suspension geometry.

Integrating the suspension into the magnetic cup eliminates separate components, resolving the trade-off between assembly ease and actuator depth.

An auxiliary magnet surrounds the main magnet in a magnetic circuit system, stabilizing voice coil swing and improving low-frequency response.

A symmetrical dual-edge loudspeaker cone design with upper and lower edges bonded to the frame.

Separate center and periphery drivers vibrate the display panel to direct sound forward, eliminating wall reflection interference.

Integrating a fixing ring with the second suspension increases bonding surface area, preventing air leakage caused by suspension separation during vibration.

Ion-conductive vibration plate drives dome to produce sound without magnetic components.

A speaker electrical connection member merges conductive terminal functions with mechanical support via a buckle structure.

Integrating electrical connections into the lower diaphragm eliminates flexible printed circuits, saving internal space and preventing fracture risks.

MEL structured molecular sieves adsorb air molecules to increase virtual cavity volume, resolving low-frequency response loss in compact speakers.

Segmenting the motor assembly via a dynamic suspension isolates vibrations from the housing while maintaining structural stiffness.

Donut-shaped duct structure with partition wall and mesh member resolves sound deviation by enabling precise acoustic tuning within compact earphone frames.

A conductive plane damper uses copper foils to transfer electrical current between voice coil and power supply points.

Notched racetrack auxiliary suspensions position the diaphragm away from auxiliary magnets, preventing elastic member breakage and extending service life.

Deformed cone shape disrupts resonance patterns to flatten frequency response while masking non-circular periphery for good appearance.

Auxiliary transparent film layer prevents screen breakage during low frequency vibration.

Rear cover holes enable dual-directional sound from a thin piezoelectric actuator, resolving thickness constraints while enhancing immersion.

A test module allocates audio devices in aircraft passenger service units to emit or receive test tones for automated functional verification.

Tapered spokes in an iron speaker chassis increase magnetic flux transmission resistance, preventing output loss from field leakage.

Segmenting the magnetic system into two tandem neodymium magnets resolves weight reduction and force factor nonlinearity trade-offs.

A loudspeaker circuit uses frequency-selective filtering to enable simultaneous sound reproduction and acoustic signal detection.

Removing the vibration plate via extraction reduces speaker volume and prevents energy dissipation.

Piezoelectric transducer drives display surface to produce audio output while eliminating speaker orifices for improved water resistance.

A display sound device uses pressure sensors to detect housing stress and adjusts audio playback components for consistent acoustic output.

Integrating a fixing ring with diaphragm supporting portions bonds the elastic support assembly to the frame, reducing vibration amplitude and heat generation.

A hybrid actuator integrates a piezoelectric element with a linear actuator to generate sound across the full audible frequency spectrum.

Segmenting the housing into isolated cavities protects internal components from liquid leakage while maintaining sound quality.

Integrated elastic ribs restrict axial displacement to prevent voice coil offset and ensure uniform vibration without a separate elastic-wave member.

Variable thickness suspension members reduce mechanical stress concentration in flexible components, extending actuator lifetime without increasing volume.

A multi-patterned voice coil plate reduces weight and impedance while enhancing inductance through parallel pattern connections.

Opposing drivers in a sealed enclosure cancel back pressure through phase opposition, resolving synchronization issues for accurate audio reproduction.

Multiple beams in a speaker suspension scale linearly with width to lower resonant frequency without increasing diaphragm size.

A speaker diaphragm height adjuster positions the coil to maximize the BL factor, resolving the trade-off between device thinness and sound quality.

Non-axisymmetric corrugations prevent geometric buckling under back pressure, preserving frequency response and sound quality.

Offset suspension positions improve membrane compliance and sound pressure without increasing transducer height.

Staggered elastic wave assemblies drive opposite diaphragms in antiphase, reducing low-frequency vibration and improving space utilization.

A vibrator employs a regulation member to coordinate multiple vibration units, reducing transmitted sound and vibration across complex acoustic patterns.

Dual vibration systems in one housing merge audio output and haptic feedback, increasing driving force while reducing device volume.

Segmented magnet system drives dual vibration units, reducing device volume while maintaining magnetic performance.

An inverted lower diaphragm folded ring reduces vibration direction thickness, resolving space occupation limits in mobile phone applications.

A speaker balance element with a deforming portion connects the voice coil to the frame bearing surface.

Insulated conductor wire wound around magnetic circuit components equalizes surface potentials to suppress eddy currents in speaker devices.