Anti-Theft Devices TRIZ Cases

A smart key transmitter stops sending key data when electromagnetic wave intensity rises.

A vehicle signalling unit transmits alarm data using short-range protocols when mobile phone frequencies are unavailable.

Measuring signal attenuation along the transmission path assigns wheel units to positions, resolving errors from temperature-induced power variations.

A vehicle door control device uses a notification unit to signal detection of an occupant's body portion for reliable operation.

An immobilizer secures engine control unit data using public key validation routines to prevent unauthorized modifications.

A private Controller Area Network enables secure peer-to-peer communication between vehicle electronic control units.

A vehicle control system compares LF and RF signal intensities to determine portable device position accurately.

A tamper-resistant wearable device uses assisted GPS and cellular modems to transmit location data.

Time-of-flight positioning defines trigger zones for automatic trunk operation, preventing accidental closures.

Pulsed electro permanent magnets secure metal panels to eliminate frame gaps at high speeds.

An RFID reader and microcontroller verify registration status by matching embedded identifiers before engine start.

A vehicle system uses sensors to detect approaching users and automatically adjusts seats and mirrors based on measured anthropometric features.

A biometric detection system identifies unauthorized users and adjusts vehicle settings to restrict functionality.

Segmented capacitance sensors evaluate movement patterns to eliminate false triggers from unwanted objects while maintaining hands-free operation.

A vehicle gateway validates electronic serial numbers against a local web of trust to authorize commands for target electronic control units.

A powertrain control module manages engine idling and AC power output through dedicated secure modes.

A Y-shaped antitheft device uses a radial cam to transmit rotational movement from the rotor to the bolt.

A control circuit manages engine idling by separating ignition switching from transponder authentication signals.

A vehicle access method compensates signal strength measurements to determine portable device position accurately.

Segmenting function codes into basic and window fields reduces battery consumption by minimizing unnecessary power usage during signal transmission.

A vehicle access system uses sensing technology to detect user load conditions and automatically control closure panel movement.

A position determining device adjusts evaluation criteria based on vehicle door states to resolve signal leakage issues.

A key information management device transmits vehicle unlock credentials to third-party terminals.

A vehicle door lock system generates triggering event data from knocking impacts on the car and portable device to verify proximity.

A remote processing system generates fleet operator profiles to manage access permissions, eliminating unique vehicle codes and improving operator convenience.

A control circuit switches power supply modes to preserve auxiliary battery charge during emergency reporting operations.

Electronic pattern authentication prevents unauthorized vehicle operation while maintaining simple user interaction.

A verification ECU manages electronic key registration through bidirectional challenge-response protocols.

Segmented tracking units replace centralized systems to recover stolen wheels while maintaining vehicle security.

A vehicle door controller synchronizes opening operations with mobile terminal signal strength changes detected alongside user motion.

A trunk-sharing server issues authentication tokens to authorize third-party access to vehicle cargo compartments.

Segmented perimeter and drain plug sensors resolve coverage gaps in traditional manifold-only protection.

Tailgate-hinged rigid bed cover integrates rear-facing safety lighting and backup camera to resolve cargo versatility and rear visibility trade-offs.

A keyless entry system determines minimal radio frequency signal strength to authorize vehicle commands.

A vehicle wheel locating method uses hands-free access antennas to transmit identification signals for position detection.

A steer wheel shaft bends to disconnect control signals when unauthorized access is detected.

A vehicle key management system creates and alters access credentials through a remote processor interface.

Motion sensors generate unique vibration patterns that prevent relay attacks by verifying physical key proximity.

Prevents cabin-based attacks by relocating gear-box controls to the engine compartment, maintaining protection even when battery power is depleted.

Server mediates public key exchange between portable terminal and vehicle to enable offline registration without complex direct communication.

A spring-loaded slide element moves a signal transmitter to ensure accurate position detection of a locking pin in motor vehicle components.

Electronic signals replace physical PIT maneuvers to prevent damage to stolen police units while ensuring secure officer safety.

An integrated RFID detection unit verifies document presence automatically, preventing delays from forgotten credentials.

Elongate sheet deployment prevents trailer climbing while avoiding wheel entrapment risks.

Injecting signals into user skin via a transmitting device enables direct vehicle reception, eliminating mechanical keys and reducing energy consumption.

A steering lock position detector combines digital and analog sensors to identify the lock member location.

A traffic safety system detects person, vehicle, and road conditions to enable intelligent crash avoidance decisions.

Wireless bus adapter links remote controls to vehicle data buses, reducing wiring complexity across different manufacturers.

A temporary access key enables secure vehicle entry for contactless product placement, eliminating direct interaction risks.

Multiple immobilization devices broadcast random numbers to form a unified challenge for transponder verification.