Safety Arrangments TRIZ Cases
- Electric Seat Anti-Pinch System Using Infrared and Pressure Sensing
See how dual infrared and pressure sensors detect obstacles beneath electric lift seats to prev
- Furniture Drive Motor Overload Detection Using Back-EMF Frequency
See how evaluating back-EMF frequency in brushed DC motors detects collisions and pinching with
- Hardware-Based Anti-Pinch Circuit for Lifting Device Motor Reversal
See how a hardware-only blocking circuit with backup redundancy stops and reverses a lifting mo
- Protective circuit for an apparatus
See how a MEMS accelerometer and microcontroller replace corroding mechanical switches to detec
- Method for controlling the operation of a door-lock device and control system thereof
See how a control unit applies signals with opposite polarizations to detect door-lock impedanc
- Learning Thermostat Power Harvesting and Progressive Function Scaling
See how a learning thermostat uses HVAC power harvesting and battery backup with progressive fu
- Method and circuit for determining dispersion of electric power towards ground in electric appliances
See how a control unit detects power dispersion to ground by comparing existing triac and suppl
- Dual-stroke safety switch of washing machine and eccentricity control method
See how a dual-stroke safety switch detects two eccentricity levels in washing machines to enab
- Electronic Low Water Cut-Off Switch Assembly for ASME CSD-1 Compliance
See how an electronic circuit board retrofits mechanical LWCO switches to meet ASME CSD-1 stand
- Dual-Stroke Safety Switch for Washing Machine Eccentricity Control
See how a dual-stroke safety switch detects tub eccentricity at two thresholds to stabilize dew
- Door-Lock Device Fault Detection Using Impedance Measurement
See how a door-lock device detects faults by applying control signals with opposite polarizatio
- Variable-Speed Compressor Temperature Validation for Sensor Fault Detection
Cross-checking measured and derived condenser temperatures helps detect faulty refrigeration sensors and prevent inefficient or damaging operation.
- HVAC Fault Diagnostics Using Anomaly Scores for Rapid Troubleshooting
Anomaly scoring from climate-system transition data enables automatic HVAC fault diagnosis, cutting troubleshooting delays and disruption.
- Optical Pinch Guard for Retrofittable Powered Furniture
A reflected-light pinch guard detects slight furniture deformation to stop or reverse powered adjustment without costly contact sensors.
- Capsule Machine Actuator for Contactless Data Transmission
Using the existing actuator to send acoustic, vibration, or EM data avoids damaged contacts and improves capsule machine diagnostics.
- Air Mattress Control Architecture for Unified Firmness and Positioning
A central controller unifies air chamber firmness, bed positioning, and sensor feedback to replace multiple remotes and simplify operation.