Electric Winding TRIZ Cases

See how a presentation case uses inductive coupling to reset electromechanical watch hands auto

See how a magnetic field-based sensing system measures the included angle between pivoting gril

See how acoustic oscillator measurement regulates motor operation to prevent over-winding stres

See how acoustic oscillator measurement and amplitude-based motor control wind watches to optim

See how an external watch case uses inductive coupling to drive the stepper motor and reset tim

Oscillator sensing starts and stops winding only when needed, preserving power reserve while reducing wear and energy use.

A user-wound bezel and spring drive a micro-generator for limited-time watch power, avoiding bulky batteries, electronics, and aging debris.

Closed-loop sweep control and detent torque reduction let one stepper motor deliver stable sweep seconds with lower cost and better shock resistance.

Integrally molding the frame, swing unit, and elastic member cuts assembly variation and preserves strong vibration in a compact generator.

Rotor classes are matched with coil groups to keep watch-generator voltage in range despite looser tolerances, cutting cost and preserving power reserve.

Selective roughness and peripheral perforations balance clear visibility with light absorption and current collection in transparent solar cells.

Localized electrode roughness and perforated layers balance transparency with electrical efficiency in transparent solar cells.

A stop-constrained MEMS actuator preserves elastic return force, enabling one electrostatic drive to move a toothed wheel in both directions.

An integrally molded frame, swing unit, and elastic member boost vibration force in less spring space while simplifying assembly and variation.

Flexible support arms cushion shocks while preserving thermal conduction in a thermoelectric watch, protecting the module and improving body-heat power generation.

Fuse-selected transistor taps suppress temperature-driven off-leakage current, keeping watch constant current output stable.

Partitioned FPC capacitance sensing tracks watch hand position and auto-corrects time drift by syncing a light smart watch to mobile time.

Periodic mechanical braking pulses synchronize a timepiece resonator to cut time drift while avoiding magnetic-flux wear and extra control complexity.

Capacitive sensors integrated into a movable crown detect force amount and direction without adding bulk to compact watch-sized devices.

Differential capacitance pairs let a watch setting stem be tracked contactlessly with high angular precision, low power use, and fewer electrodes.

Differential capacitance pairs help a compact timepiece setting stem sensor track angular position with high precision, low power, and better noise immunity.

Fractional pulse inhibition in a divided oscillator time base improves frequency resolution while limiting instantaneous clock error.

Fractional pulse inhibition across divider stages improves time-base frequency resolution while keeping instantaneous clock error low.

Adjacent sensors read axial and angular encoded rings to measure both positions in tight spaces with lower hardware and computing demand.