Anti-Theft Devices TRIZ Cases

A vehicle security unit establishes wireless links with tracking devices to issue degradation commands through the data communications bus.

An insulated electrical conductor shapes the detection field of a capacitive proximity sensor to enhance sensitivity.

A burglar sensor arrangement structure uses a throat portion opening at the bottom of a groove to radiate ultrasonic waves into a vehicle interior.

Automobile camera system captures iris image data to generate biometric information, eliminating external devices while uniquely identifying authorized drivers.

A vehicle communication system adjusts recheck counts for mobile device detection based on onboard electrical load states.

An authentication server validates physical presence and key location to secure remote access.

A vehicle system uses acoustic signals to verify key device presence inside the cabin.

Condition-based calibration reduces power consumption and erroneous detections in vehicle operation input devices.

A proximity sensor monitors signal changes to detect intended vehicle actuations.

A network server compares vehicle and token device locations to detect car theft.

Processor extracts predefined settings from the CAN bus and stores them in external key memory, eliminating manual adjustment when switching vehicles.

An authentication apparatus issues unique IDs to specify vehicles as delivery destinations, preventing security risks from exposing position data.

Frequency shift keying enables simultaneous bidirectional transmission in an automobile remote control device, eliminating acknowledgment signal latency.

Electronic control unit tracks real-time and past object data to determine presence of hazards beneath the vehicle chassis.

Periodic radar activation triggered by nearby mobile devices maintains position accuracy while reducing energy consumption when the vehicle is off.

A vehicle access system inverts the wake-up sequence to establish secure communication links between key and vehicle.

A telecommunications device uses a temperature sensor to detect user body heat and automatically toggle features based on proximity.

Centrifugal acceleration signals reveal sensor detachment from the wheel mounting position, preventing tire damage and ensuring reliable monitoring.

A communication monitoring device compares distribution and access identification information to detect unauthorized entry attempts.

A tamper indicating padlock assembly uses an internal sensor to detect arm movement and transmit alerts.

A vehicle sensor system detects interior and exterior conditions to enable secure access for consignment delivery.

Bluetooth Low Energy location tracking enables in-vehicle computing systems to pre-boot before driver entry, reducing power consumption during idle states.

Sound source direction analysis filters ambient noise to detect vehicles in blind spots without requiring cooperative communication systems.

Sensors in the fuel tank cap detect interface pressure drops indicating loose seals, triggering a Bluetooth alert to prevent fuel loss.

An occupant detection system uses an accelerometer to sense vehicle vibrations for presence identification.

Automotive security apparatus detects vehicle key proximity using optical signals to enable passive entry.

Field superposition circuits combine interior and exterior antenna signals to prevent relay attacks on passive keyless entry systems.

A vehicle computer links a new password to a phone-as-a-key device after verifying authorized hardware presence inside the cabin.

A communication control unit measures signal transmission duration to identify unauthorized circuit insertion.

A vehicle communication device uses Bluetooth Low Energy to enable mobile devices as identifiers.

A vehicle-mounted device adjusts response request signal transmission periods to manage door locking states based on user proximity.

A piezoelectric transducer embedded in vehicle glass captures acoustic resonance from taps or voice commands to enable secure keyless entry.

Electronic distance measurement prevents relay attacks by verifying mobile device proximity, resolving the trade-off between convenience and security.

Periodic synchronization verifies mobile device consistency against stored records, blocking cloned smartphones from vehicle access.

A dual-sensor detection method verifies user authorization for vehicle functions using spaced-apart sensor arrays and ID transmitters.

Smart alarm module automates door locking via motion sensors, resolving complexity trade-offs through self-service logic.

A transponder integrates a load modulation module and current source to support legacy and modern base stations.

A vehicle anti-theft system adjusts detection thresholds based on estimated parking states to minimize false alarms from environmental vibrations.

Smartphones emulate proprietary key fob protocols to eliminate bulky multi-device carry while maintaining secure vehicle access.

Capacitive sensors measure ice thickness on door handles, enabling controllers to adjust motor torque and speed for effective ice removal.

A vehicle-mounted device transmits separate request and determination signals to measure portable device location via received signal strength feedback.

A vehicle trunk opening system uses smart key proximity detection and rear camera image difference analysis to identify user intent.

A keyless control system uses a mechanical actuator and switch to input access codes for vehicle entry.

Short-range communication detects user presence to automatically adjust vehicle settings, eliminating manual intervention.

A controller identifies pairing conditions between objects and triggers theft alerts when one signal exits the detection zone without its partner.

A vehicle control system uses a resolution switching camera to capture surrounding images for user detection and entry permission.

A rotor retainer applies linear force to the ignition device bracket.

Gravity-based lever depresses the brake pedal for solo operation, eliminating bulky seat mounts and reducing storage volume.

A vehicle verification system captures the user image and compares it with rental data to confirm the designated driver identity.