A microprocessor-driven ramp and decay circuit turns harsh square-wave alerts into low-cost musical appliance status tones.
A clipped gear bridge replaces heat-riveting in clock motor modules, enabling damage-free rework while maintaining gear alignment and clamping force.
An intermediate wheel with permanent magnetic poles locally polarizes ferromagnetic teeth, cutting magnet cost and limiting field leakage in watch gears.
A third magnetized wheel temporarily polarizes ferromagnetic teeth, cutting magnet count, manufacturing cost, and stray flux in timepieces.
Ferromagnetic intermediate toothings confine magnetic flux in a watch gear, cutting magnet count, cost, and parasitic stress on nearby parts.
Elastic non-magnetic clips replace thermal riveting to secure the cog bridge, preserve cog clearance, and allow damage-free servicing.
A ferromagnetic element offsets sinusoidal disturbance torque in a contactless magnetic timepiece gear, cutting energy use and torque variation.
A three-wheel magnetic gear uses soft ferromagnetic teeth to localize flux, cut permanent magnet count, and limit stress in timepiece movements.
A ferromagnetic compensator offsets sinusoidal parasitic torque in a magnetic watch gear, cutting energy loss and improving contactless rolling.
A jumper and transmission member turn limited piezoelectric linear stroke into full toothed wheel rotation through repeated bidirectional motion.
Hot drawing in the supercooled range makes fragile amorphous alloys machinable for non-magnetic, high-precision timepiece shafts.
Hot drawing in the supercooled liquid state makes brittle amorphous alloys machinable for precise, non-magnetic watch components.
Elastic tabs set friction torque by axial displacement, giving clock movements repeatable adjustment, higher torque capacity, and compact integration.
A rocker-linkage module transfers motion between non-parallel axes in watch movements, reducing part count, energy use, and volume.
A rod-linked lever chain transfers motion across non-parallel axes in watch movements, saving space and reducing energy use for calendar corrections.
An off-center laser beam shapes hard ceramic timepiece blanks into precise flared tooth profiles, reducing friction and breakage.
An off-center laser beam machines rotating ceramic blanks into precise watch components with complex shapes while avoiding tool wear.
Biosourced PEF replaces POM on friction surfaces to lower dynamic friction, maintain low wear, and improve recyclability.
A three-wheel magnetic gear for timepieces balances magnetic forces to raise transferable torque and cut parasitic losses.
An elastic flexible end extends corrector travel so timepiece gear wheels overcome resisting torque and lock precisely in indexed positions.
Titanium alloy teeth on a calendar disk resist wear, prevent coating delamination, and keep time mechanisms clean and reliable.
A conical elastic washer clamps a member axis to secure brittle low-plasticity parts without gluing or damaging axial assembly loads.
A single-piece rocker with elastic friction arms stabilizes pivoting torque in watch correction clutches while reducing play, size, and assembly sensitivity.
A resilient clip and locking beak retain a horological moving part on its shaft during transport and assembly without adding friction torque.
An elastic clip and locking beak hold a watch movement mobile on its shaft with low friction, fewer parts, and easier assembly.
Elastic blades guided by flange openings keep display-wheel friction torque stable over time while simplifying shaft assembly and removal.
Elastic friction arms guide the corrector mobile and maintain stable torque in a compact clockwork clutch despite axial and radial clearances.
Plastic deformation fixes a balance staff plate without heavy chasing on the pivot, improving shock and torque resistance over time.
Ultrashort pulse laser machining shapes non-magnetic Inconel balance staffs with precise pivots and surface finish, avoiding rolling and magnetic interference.
A return gear, friction member, and return spring keep gear teeth engaged within backlash to stabilize pointer stop position and avoid spring damage.
Ultra-short pulsed laser ablation cuts amorphous metal alloys with precise geometry and low roughness while avoiding heat-driven crystallization.
Plastic deformation secures the balance wheel to the staff with higher torque resistance while avoiding damaging axial force on the pivot.
Titanium obstacle teeth replace coated aluminum in calendar mobiles to resist aging, avoid marking, and eliminate particle release.
Femtosecond laser shaping plus diamond tribofinishing gives ceramic watch arbors low roughness, micron accuracy, and stronger bending performance.
Micro-injection forms the functional portion, then femtosecond laser machining finishes the guide surface for precise geometry and low roughness.
A deformable hub is plastically formed into a stop and notch-filling boss to secure a silicon part without adhesive or micro-fractures.
Laser irradiation and gas-stream cooling treat watch components individually to improve property uniformity while cutting oven energy use.
A wedging freewheel isolates the reverser during manual winding, cutting wear, torque variation, and noise while preserving automatic winding.
Etched cavities plus a metallic bonding layer enable high-contrast watch component markings without altering precise functional geometry.
A coaxial cutting tool machines all escapement wheel tooth ends in one pass, cutting beveling time while holding tight horology tolerances.
A universal toothed coupling ring lets one ball bearing fit multiple watch movements while reducing magnetic interference and easing assembly.
A friction-aware tooth flank geometry keeps torque ratio nearly constant between meshed watch gears, improving chronometric precision.
A resilient washer radially clamps a metal axis and applies axial elastic force to secure brittle silicon parts without glue or breakage.
A three-wheel magnetic gear layout boosts timepiece torque transfer by balancing radial forces and reducing parasitic torque variation.
Offset contact surfaces guide lubricant from one contact zone to the next, reducing wear and preserving precision in horology movements.
Two-stage surface structuring preserves base texture depth while adding roughness, patterns, and durable optical effects to watch components.
Resilient strips and tool-guided apertures let a timepiece display mobile assemble without forcing while keeping friction torque stable over time.
Laser cutting in a liquid jet or with femtosecond pulses forms thick hard cam components with Ra ≤ 50 nm flanks and precise orientation.
Laser cutting of hard ceramic or cermet timepiece cams creates thick, perpendicular flanks with Ra ≤ 50 nm for scalable production.
A modified pinion tooth profile keeps transmitted torque more constant while retaining an involute gear for easier timepiece manufacturing.
A flexible transmission end extends corrector travel so timepiece gear wheels reach the final indexed position despite friction and resistance torque.
A deformable ratchet disengages from the winding train at excess torque, preventing watch barrel over-winding and friction-driven wear.
This case uses rotating wire EDM to machine hard, conductive materials into precise balance shaft pivots without rolling.
A slipping minute transmission wheel connects a base unit to a chronograph mechanism via torque-based engagement, eliminating complex friction modifications.
A horological winding device uses a spring-mounted gear train to engage or disengage from a ratchet based on torque levels.
An intermediate wheel with concentric coplanar toothings merges axial levels into one plane, reducing bulk while maintaining correction function.