Anti-Theft Devices TRIZ Cases

Motion-triggered phone disabling, seatbelt checks, and device presence verification help prevent distracted driving and unsafe vehicle use.

Timed alerts flag unfinished dispatched vehicle charging tasks when no end notice arrives, helping reduce user anxiety during unattended service.

Time-limited remote vehicle commands and state tracking stop expired or unconfirmed actions, reducing unintended operation and unauthorized access.

A monitoring ECU checks hash values from a writable verification program to protect Root of Trust integrity without replacing the vehicle ECU.

Badge reading and agent profiles replace keys and passwords, enabling fast vehicle authentication with role-based access to authorized functions.

UWB antenna reflections let the ECU detect in-vehicle user movement for reliable hands-free door or trunk unlocking with fewer sensors.

By moving the NFC receiver from the handle to the door opening, wiring is simplified and authentication detection covers a wider area.

A switching unit coordinates separate key-presence and holder-attachment detection to improve shared vehicle key security and usability.

Two-factor vehicle service access combines biometric identity checks with random code verification to block unauthorized use and alert operators.

Local authority storage lets vehicle control functions keep working without server access while periodic updates preserve permission accuracy.

A single-electrode capacitive layout creates two detection zones to recognize limb motion for safer hands-free trunk opening across vehicle types.

When hands are full, key fob proximity plus tap, press, or knock sensing can trigger vehicle doors or hatches to unlock or open.

A timed immobilizer blocks vehicle mobilization after new key learning, deterring theft while allowing owner override through authentication.

Mirror-mounted sensing detects an authorized user near the frunk and unlocks the latch for hands-free opening without manual actuation.

Color-changing key display and vertical holder movement make EV drive readiness clear without engine noise or mechanical start cues.

Event-based hand gesture sensing enables remote vehicle door lock control with lower processing load and obstacle detection for safer operation.

Sensors and cameras detect a trapped occupant in double-lock mode, then verify identity before enabling a secure vehicle exit.

Expected-signature monitoring verifies ECU control paths so one controller can run multiple assist features within sequence and timing limits.

Role-based identity checks use an arbitration system to match users to function-specific access criteria in vehicles and buildings.

A below-bed battery and rear tailgate drawer preserve a level pickup bed, improve loading access, and add powered tool storage.

Authenticated user identifiers confirm hatch-opening intent near the vehicle, avoiding false triggers from kick sensors and lowering system cost.

Position-based control keeps in-vehicle ID transmitter functions active while cutting idle LF power use and reducing relay attack exposure.

Area-based monitoring classifies shielded and unshielded sites to flag machine movement and GNSS sensitivity changes for theft prevention.

In-cabin microphones and analog processing detect parked-vehicle impacts and vandalism with low power and fewer false positives.

Multiple access modes in one lock let a controller authenticate user roles across wireless, NFC, and electronic key interfaces for secure backup access.

Automatic transfer from a nearby authenticated device streamlines car key setup, cutting repeated inputs, provisioning time, and battery use.

Electronic lock control verifies user identity and vehicle conditions before steering wheel removal, blocking unauthorized access.

An intermediary signal module authenticates users and blocks or alters vehicle control signals to prevent theft without disrupting internal functions.

Authentication and proximity-based confirmation replace movement sensors to cut false hatch openings, missed detections, and system cost.

UWB ranging and user-marked perimeter relationships let installers calibrate access control layouts without detailed building maps.

Repurposes the vehicle key as a game controller by mapping button signals to game commands, avoiding extra hardware and pairing steps.

Hybrid UWB ranging combines correlation, secondary ranging, motion sensing, and dual-factor checks to block key mimicry in vehicle access.

Stepwise low-to-high camera power modes extend parked-vehicle monitoring while preserving side-mirror field of view and motion detection.

Short-range digital key detection closes a rear cargo compartment door when the vehicle is stopped and the user walks away, then notifies the user.

Cloud-managed vehicle e-Keys add time, location, and speed limits while enabling secure sharing, usage monitoring, and violation alerts.

Radar-based gesture sensing replaces contamination-prone capacitive detection to actuate vehicle doors or mirrors more reliably.

Randomized frequency order and phase measurement secure vehicle-to-identifier distance estimation against relay attacks.

A smart device signs digital key data to bind a vehicle user account automatically, reducing manual setup while preserving privacy and security.

By separating reflecting from non-reflecting vehicle sensor nodes, this case improves UWB or BLE localization in NLOS conditions.

A touch-sensitive or electromagnetic interface opens a hinged side door without manual handles, improving comfort, aerodynamics, and theft resistance.

Activity sensing and adaptive fuel-drop thresholds help detect suspicious siphoning while reducing false alarms from normal fuel use.

Color-changing vehicle surfaces respond to safety events and surroundings to improve visibility or identification without fixed high-visibility paint.

Magnetometer-based field amplitude and orientation profiles improve hands-free vehicle access precision while reducing transceiver count and cost.

A breakable insulating film bridge changes connector conductivity at first separation, enabling precise tamper and disconnection detection.

A locking device nested on an intermediate casing tube frees radial space while keeping the steering shaft securely locked in compact telescopic columns.

External power from a phone charger or power bank enables secure vehicle unlocking when the 12V battery or control unit fails.

Interior visual, acoustic, or vibration cues guide occupants to the right unlock control when someone pulls the outside door handle.

Separates driver, toll-road, and energy-cost data to measure vehicle run efficiency more accurately and carry results across vehicles.

A vehicle manufacturing mode uses spatial limits, trigger-based activation, and automated anti-theft actions to protect connected vehicles in assembly and shipping.

Relative position sensing adapts touch commands so an autonomous vehicle can be remotely moved outside the cabin without losing operator validation.

I/Q-based signal power estimation improves vehicle-to-smartphone distance sensing when BLE signals bounce off surrounding objects.

Automated recognition of authorized service staff and vehicles enables secure door unlocking and service handling without slow manual checks.

Spectral distribution checks distinguish authentic radio authorization signals from relay attacks without complex timing analysis or high computing power.

Radar-based child detection is paired with phone proximity and motion sensing to suppress false vehicle alerts when an adult remains nearby.

State- and speed-based gating suppresses unnecessary vehicle fingerprint detection to prevent radio wave noise during driving.

When a driver is out of sight, sensors detect obstructions between the remote key and vehicle to trigger door locking and send warnings.

Dual biometric sensing replaces manual passwords to unlock in-vehicle functions securely and conveniently while driving.

A docked portable interface links premises and vehicle alarms through a security node, enabling unified monitoring and bidirectional control.

Automatic face login prompts with animation and voice guidance help drivers enroll full-face data faster and with higher recognition accuracy.

Cameras, lidar, or ultrasonic sensors interpret nearby operator gestures to control vehicle motion and attachments without re-boarding.

IR and visible detectors wake vibration sensors only when an entity approaches, enabling contact classification, warnings, and lower power use.

Angle and distance sensing activate only the needed vehicle communication zone to suppress relay attacks and cut keyless entry power use.

Multiple BLE signaling events within one advertising period increase RSSI samples, improving vehicle key location and unlocking speed.

A vehicle controller manages restricted mode transitions using timers and occupant device detection to limit secondary driver functionality.