Anti-Theft Devices TRIZ Cases

A self-arming immobilizer system automatically engages vehicle circuits when the operator departs.

Parallel cam and lock bar axes reduce steering column lock volume, resolving the trade-off between compact size and locking reliability.

A belt drive brake shoe exerts frictional resistance against the call nut to block external manipulation of steered wheels.

A wearable device embeds a quarter-wavelength coil antenna within its flexible band to radiate radio signals at 400 to 1000 MHz.

A vehicle sound tracking apparatus uses a microphone array to detect external sounds and calculate their 3D coordinates.

A vehicle access system uses Bluetooth signals for initial detection before triggering low frequency authentication.

Segmented locking plates and cam mechanisms secure air brake knobs against tampering while maintaining reliable engagement for parked vehicles.

A telematics system routes emergency calls through a call center intermediary to identify and connect with the nearest public safety answering point.

Electronic key system uses position data and door status to detect key removal, resolving detection errors caused by communication interference.

Segmented alarm units resist signal blocking by distributing GPS receivers across the vehicle interior to prevent total system failure.

Sensors detect plate removal to trigger wireless theft signals, preventing unauthorized reuse of the device.

A mobile electrode in a vehicle door handle varies resonance frequency upon contact to detect user intention.

A vehicle receiving circuit multiplexer connects multiple antennas to a transponder interface for signal detection.

Defrost modules and bandpass filters mitigate light interference and extreme temperatures, enabling reliable outdoor biometric access.

A remote driver authentication system verifies biometric data against a centralized database to prevent unauthorized vehicle operation.

Touch sensor on vehicle door handle triggers exterior search signal to identify fob and apply driver settings.

A vehicle door control system processes biometric user actions to operate multiple doors without physical keys.

A dual mode wireless key fob consolidates vehicle functions into a single reconfigurable interface.

Smartphones calculate proximity to trigger key fob wake signals, reducing battery consumption and enabling smaller device designs.

Electronic clutch disengagement via hydraulic accumulator enables automatic emergency braking in manual transmission vehicles.

A two-point measurement system calculates signature voltage ratios to authenticate electronic control units on vehicle networks.

A vehicle controller monitors distance traveled to automatically revert restricted operation.

A dedicated harness triggers the remote control receiving unit's registration mode, preventing inadvertent ID code entry while simplifying worker operations.

Segmented LF and RF communication stages with a pre-established shared key prevent hacking of simplex signal channels.

Magnetic detection alerts users to missing closures, preventing moisture damage and component loss.

A detector monitors RF signals outside the normal activation range to identify fraudulent authentication requests in hands-free vehicle systems.

A notification server consolidates event data from multiple industrial systems into unified mobile alerts.

An integrated accelerometer detects keyfob motion to activate a wake receiver, preventing relay attacks on passive entry systems.

Segmenting key registration into time slots increases registrable keys while maintaining low collision probability.

Modular shields with break-away fasteners prevent theft while allowing visual inspection, resolving installation complexity.

Portable electronic authentication device uses orthogonal proximity and long-distance communication channels.

Entry support system authenticates unregistered persons via registered user approval.

An access control device integrates an electric drive and communication circuit to enable autonomous emergency unlocking via external power.

A vehicle electronic control unit identifies transmitting devices by measuring bus line voltage characteristics during message transmission.

A configuration tool programs tire pressure monitoring sensors and records their identifiers for vehicle integration.

Infotainment system pauses multimedia playback when sensors detect user absence from the vehicle cabin.

UWB sensors measure ground distance to detect vehicle inclination, reducing energy consumption and calibration complexity.

Transmitting real-time video feedback allows safe remote actuation of vehicle parts, preventing unintended contact with obstructions during operation.

Segmenting the communication unit into visible and hidden elements prevents unauthorized data reading while maintaining ease of operation.

A vehicle manipulation device detects distinct touch input aspects to transmit specific control requests for locking and unlocking operations.

A loading determination system matches parcel dimensions against stored vehicle region data to identify suitable placement zones.

A roller shutter uses a conductive mesh to detect physical breaks and signal unauthorized access attempts.

A remote start control system for hydrogen fuel cell vehicles adjusts response waiting times based on detected temperature conditions.

Segmented authorization system prevents unauthorized access by storing secret keys in encrypted form on the code generator.

A wireless inlet control system permits electric vehicle charging cable release only when an authorized user is nearby.

A rotational element position detector uses an asymmetric toothed portion to mesh with a larger groove on the detection lever.

Access control host system detects time-bound homogeneous consecutive events to eliminate response delays in abnormal occurrences.

An electronic control unit processes image data from a rear camera to detect authorized users, eliminating the need for additional sensors.

A vehicle key microcontroller decodes low-frequency signals received by a multi-coil circuit.

A driver authentication system configures operating profiles to enforce safe driving parameters and generate real-time alarms.