Non-Mechanical Controls TRIZ Cases

Semi-automatic detection uses switch signals to verify mounting orientation and resolve left-right door ambiguity.

A trim lock device uses a rotating blocking member to visually indicate the locked state from the interior side.

A knob cylinder coupling mechanism uses a stepper motor and locking pin to transmit torque.

A magnetic slide latch mechanism enables quick service access to elevator control boxes using a portable external magnet.

A magnetic lock system uses an arc magnet and key magnet to control a lock element position through precise field interaction.

A bistable electromechanical actuator uses a spring system balanced against permanent magnets to hold the armature in end positions without power.

Segmented rotor assemblies enable bidirectional bolt control, resolving the conflict between outside security and inside emergency release.

Segmented side walls with movable parts allow quick access to potting troughs, reducing sealing compound volume and production time.

Rack and pinion gear moves locking bar horizontally to resolve complexity-reliability trade-off in garage door systems.

Magnetic field substitution replaces heavy mechanical blocks, reducing power consumption and actuator size while maintaining brute force resistance.

Alternating magnetic disks on the knob shaft return the lock bit to a neutral position, eliminating dead centers found in spring-based reset mechanisms.

Segmented locking and actuation modules allow rapid manual rotation of large façade elements during power failures while maintaining reliable motorized control.

A rotating bolt mechanism resists external impact forces by engaging a locking tab recess, eliminating vulnerability to linear motion trajectories.

An electronic key override automates dial scrambling upon unlocking, eliminating labor-intensive mechanical rekeying processes.

A simplified electric circuit generates a delayed negative pulse to cancel remanence in electromagnetic door locks.

Segmented locking components allow axial displacement of a pin and bolt, enabling retrofitting without structural modifications.

A Task Enabled Switch System uses QR codes and task verification to unlock devices automatically.

Contactless detection of connecting bar movement activates a motor-driven drive unit, reducing manual operating forces required for stiff locking elements.

A motor vehicle lock uses a single drive element with coupling surfaces to actuate the catch and pawl.

Magnetic activation triggers the lock only at full alignment, preventing accidental release from protruding buttons.

A rotating dead-latching slam bolt lock uses a toggle mechanism to engage the bolt during door closure and maintain secure positions.

A reversible connector device enables retrofitting of existing locking fittings with home automation features without dismantling.

A door lock control unit manages electronic and mechanical unlocking via a segmented keyhole design.

A double-bit lock uses magnetic and mechanical blocking means to secure a slidable carriage against unauthorized rotation.

Merging multiple electromechanical devices into a single shared mechanism reduces component count while maintaining reliable selective access.

A curved door lock housing merges the keypad, antenna, and mechanical lock to resolve bulk versus security trade-offs.

Sliding covers with magnetic cams conceal door cylinder windows to block adhesive attacks and tampering.

A locking cylinder uses a securing element to maintain the locking pin position against external disturbances.

Semiconductor switches enable rapid functional testing of building access door electromagnets without mechanical disruption.

A motorized locking mechanism translates rotation into linear motion via an auger and spring to position a locking element.

A lock-box front door uses a backlit panel and illumination device to display instructions clearly.

Nested sliding components and dynamic magnetic actuation resolve the contradiction between robust vandalism protection and simple, aesthetic user operation.

Dual distance sensors monitor door movement to automatically determine the opening direction, eliminating manual programming errors during initial setup.

Planetary gears enable manual door operation when the motor fails, resolving reliability issues in automated locks.

A magnetic lock uses a trip rod and sensor to detect door closure and activate the electromagnet.

A double pawl vehicle latch uses a cam and drive mechanism to position locking components for efficient operation.

Oscillating levers within grooves amplify tumbler displacement in protected rotors while magnetic retention prevents fraudulent duplication.

An elastic spring element actuates a passive switching element, eliminating high adjustment efforts and improving reliability.

Antifriction convex strike plate guides spring latch to eliminate noise while integrated sensors detect door state without complex wiring.

A pivot latch striker unit employs a dynamic blocking arm to transfer electromechanical movement for secure locking and release.

A dual-function cam lever actuates a hood latch via pyrotechnic signals to lift the vehicle hood.

Follower assembly tracks locking member position to enable secure release transitions without sacrificial components.

Series switching contacts require both remote authorization and local manual verification to prevent unauthorized shaft access during maintenance.

Actuator-driven coupling mechanism enables secure emergency access without mechanical keys, resolving reliability and complexity trade-offs.

A movable control cam retracts within a locking plate and uses a magnet to protrude only when needed, preventing grinding marks on the locking plate.

Segmented drive components allow seamless transition between manual and powered modes without back-driving resistance or increasing user effort.

Segmenting the drive mechanism into separate housings preserves thermal insulation and structural integrity while simplifying maintenance access.

An electric strike assembly uses a movable detent to absorb severe blows, preventing tampering while integrating sensors for door position monitoring.

A planetary gear assembly drives a door lock cage via ring and sun gears, enabling manual override when the motor fails.