Anti-Theft Devices TRIZ Cases
- Keyless Entry System Using Multi-Dimensional Sensor Fusion
A vehicle processor uses distance and multi-dimensional sensors to detect approaching objects and trigger automatic door unlocking.
- Modular Vehicle Access Positioning Using Signal Strength
Multiple vehicle modules detect mobile device signal strength to determine position, resolving smartphone compatibility with conventional low-frequency systems.
- Mobile Device Identity Verification for Vehicle Access
A mobile device identification system verifies user identities using biometric data and scanning modules.
- Steering Column Anti-Theft Device with Protected Fixing Means
Protective annular parts surround fixing means on steering column anti-theft devices, preventing screw removal and maintaining theft resistance.
- Capacitive Touch Sensor With Memory And Suppression Algorithms
A capacitive touch sensor system uses a memory unit to store and output touch codes while applying suppression algorithms to differentiate intended inputs.
- Vehicle Steering Lock Safety Circuit Signal Analysis
A vehicle steering lock controller analyzes enable signals to verify frequency and duty cycle for safe operation.
- Capacitive Body Coupling for Secure Person Identification
Capacitive coupling transmits unique codes through the body, preventing unauthorized access and ensuring reliable person identification.
- Truck-Trailer Matching via Motion-Triggered Proximity Analysis
Motion sensors trigger proximity analysis to verify truck and trailer matches, resolving matching errors without continuous monitoring.
- Vehicle Relay Attack Detection Using High Frequency Receiver
A high frequency receiver detects modulated low frequency signals to identify relay attacks on vehicle remote control systems.
- Vehicle Tamper Detection Using Key Presence and Motion Sensors
A rearview mirror device uses infrared LEDs, motion sensors, and cameras to detect vehicle movement.
- Electronic Key Management via Social Network Distribution
Social network distribution of electronic keys resolves physical key management complexity while enabling remote revocation.
- Vehicle Antenna Array Position Authentication
Comparing received signal strengths across multiple car antennas determines remote controller distance to prevent unauthorized vehicle access.
- Vehicle Access System Battery Management via Interface Diversity
A vehicle access system manages battery power by adjusting communication interfaces based on environmental patterns.
- Multi-Sensor Detection and Lock Disabling System
A multi-sensor detection system transmits signals to disable product locks upon identifying harmful agents.
- Vehicle Access Arrangement With Wireless Emergency Power
A vehicle access arrangement uses a wireless energy supply device to charge an internal storage unit for independent operation.
- OBD Connector Safety Box with Magnetic Ball Lock
A hollow safety box secures OBD connectors using a cam-driven ball locking system held by magnetic attraction.
- Vehicle Passive Entry Monitoring Method for Energy Reduction
A vehicle hands-free access system uses a two-step identification and simplified periodic monitoring protocol to reduce resource consumption.
- Spring-Loaded Key Receptacle for Automatic Pivoting
A spring element pivots the signal transmitter receptacle automatically, eliminating manual effort and improving ease of operation.
- Base Control Module Pluggable Interfaces Adaptability
Segmented base controllers with universal pluggable interfaces resolve adaptability versus complexity trade-offs in vehicle entry systems.
- Vehicle Movement Detector Using Shaft and Magnets
A shaft member with magnets detects vehicle movement, allowing the onboard controller to remain powered off until startup.
- Steering Column Lock Integrating Motor and Chassis
An electric motor moves a steering column to engage locking members attached to the chassis.
- Modular Central Instrument with Edge Lighting for Vehicle Status
Programmable edge lighting on a circular display creates dynamic light figures that resolve the trade-off between device complexity and informative value.
- Vehicle One-Chip System Isolation via Input Output Firewall
An input output firewall in a vehicle one-chip system enforces read-only memory access rules to prevent malware interference between operating systems.
- Vehicle Impairment Detection and Safe Driving Assistance
A vehicle processing device detects user impairment via biometric and motion data to enable safe driving assistance.
- Vehicle Wheel Insert with Anti-Theft Front Mounting
Front-mounted plastic inserts use breakable joining bridges to prevent unauthorized removal while enabling easy installation.
- Vehicle Docking Station for Remote Cellular Control
Docked secondary cellular device establishes bi-directional data link with on-board vehicle computer, eliminating expensive on-board telematics hardware costs.
- Battery Power Resumption via Key-Driven Voltage Generator
A voltage generator in the key cylinder produces electricity during rotation to activate a relay and restore battery power to vehicle loads.
- Steering Column Through Hole Stress Reduction
A steering column design distributes clamping force through flange ribs to protect the lock pin through hole from structural damage.
- Vehicle Emergency Vehicle Detection and Automatic Door Locking
Electromagnetic sensors identify approaching emergency vehicles to automatically lock vehicle doors, preventing collisions with cyclists or pedestrians.
- Steering Column Lock Mounting Bracket Anti-Tamper Design
Nested lock mounting bracket resists shearing and prying to prevent unauthorized steering shaft rotation.
- Vehicle Damage Detection Booth Using Structured Light Imaging
A vehicle damage detection booth uses structured light imaging to capture surface defects for automated analysis.
- Portable Alarm Device with Integrated Camera and Tamper Backup
A portable alarm device integrates a camera, motion sensor, and wireless transceiver for flexible security monitoring.
- Vehicle Park-Assist Signal Management and Priority Control
Controller prioritizes user-initiated signals to prevent nonemergency interference during remote parking operations.
- Vehicle Electronic Key System Relay Attack Prevention
Multiple in-vehicle communication devices measure inter-device distances to detect relay attacks and prevent unauthorized vehicle control.
- Vehicle Theft Detection via Body Control Module Integration
Body control module coordinates telematics and engine systems to activate theft states when disablement occurs, preventing tracking loss.
- Vehicle Computer Remote Control Registration Security
Extending registration duration for unknown identifiers invalidates existing keys, deterring theft attempts by increasing required connection time.
- Vehicle Control System for Pre-Set Pickup States
A vehicle control system manages heating and navigation to ensure the cabin is ready at a specific pickup time.
- Vehicle Access Control via Portable Device Authentication
Portable device authentication system generates secure fob keys to resolve the contradiction between physical key flexibility and dynamic user security.
- Smoke Detector Signal Frequency Analysis for False Alarm Reduction
A smoke detector analyzes voltage signal frequency components to distinguish alarm conditions from nuisance dust.
- Cloud-Based Vehicle Profile Synchronization via Server Intermediary
Replacing physical key fobs with a cloud server allows automatic profile loading, resolving inflexibility in multi-vehicle access management.
- Vehicle Antenna Triangulation for Relay Attack Detection
Triangulating UID-transponder location via existing vehicle antennas prevents relay attacks by verifying proximity without adding ultrasonic sensors.
- Dual-Device Tamper Detection for Vehicle Assets
Segmenting tracking functions into two linked devices prevents asset tampering by triggering alerts when the inter-device signal breaks.
- Vehicle Onboard Apparatus Relay Attack Prevention
Portable device measures received signal intensity difference to detect relay attacks without overlapping antenna ranges.
- Steering Column Antitheft Bolt Retention Mechanism
A steering column antitheft device uses a holding device to maintain the bolt in an unlocked position based on key insert presence.
- Registration Device ID Code Storage Management
A registration device manages ID code storage regions to validate new entries and maintain system integrity during operation.
- Security Device for Mobile Vehicle Command Authentication
An intermediary security device segments authentication from vehicle control units, preventing unauthorized access via common data buses.
- Vehicle Authentication System for Car Sharing Security
A vehicle system authenticates users via terminal identification to control transmission locking.
- Vehicle Authorization Using Spatial Signal Angle Detection
Spatial signal angle detection prevents manipulation by verifying the transmitter location before authorizing vehicle use.
- Smart Key Relay Attack Detection via LF Fingerprinting
A smart key extracts signal features to detect relay attacks using a learned classifier model.