Electric/Magnetic Detection TRIZ Cases
- Calibration-Enabled Hit-Sensing Target Panel
A hit-sensing target panel uses a calibration trace to adjust resistance settings for accurate detection.
- Magnetic Resonance Coil Calibration for SAR Estimation
A calibration factor converts measured supply line voltages to total feeding point values for magnetic resonance coil systems.
- Portable Gas Monitor for Landfill Methane Tracking
A portable gas monitor tracks methane emissions across landfill sites using integrated location detection.
- Magnetic Marker for Underground Valve Location
A magnetic marker device secures to a valve cap using a compliant holder.
- Inductive Proximity Detector with Switched Windings for Temperature Compensation
A switched inductive proximity detector alternates detection and reference coils to measure frequency differences.
- Diode-Based Transmit Antenna Selector for MRI Systems
A diode-based transmit antenna selector routes RF signals to body or local coils via a control circuit.
- MRI Gradient Coil Frequency Correction via Temperature Feedback
A pulse setting unit corrects RF pulse center frequency using real-time gradient coil temperature measurements to maintain imaging accuracy.
- MRI Coil Selection via Scan and Sensitivity Volume Rates
Calculating scan and sensitivity volume rates automates coil element selection, resolving manual trade-offs between operational ease and image reliability.
- Capillary Cartridge for Miniature NMR Devices
A capillary cartridge assembly integrates multi-layer printed circuit boards with shim coils to position components within narrow magnetic gaps.
- MRI Transmit Array Trigger Segmentation
Segmented trigger units enable independent signal adjustment across parallel transmit channels, resolving synchronization precision limits.
- MRI Eddy Current Correction Using Position-Specific Parameters
A gradient magnetic field correcting unit applies position-specific eddy current correction parameters to output a corrected waveform for the power supply.
- Hall Effect Current Sensor for MRI Transmit Coil Measurement
A Hall effect current sensor measures differential voltage across a planar conductor to determine current flow.
- Disposable MRI Local Coil with Detachable Electronics
A disposable local coil design features a detachable interface for preamplifiers to reduce production costs.
- MRI Bias Circuit Monitoring for Abnormality Detection
A monitoring circuit tracks bias voltage and current parameters within an MRI apparatus to identify operational faults in the radio frequency coil tuning system.
- Surface Mapping System for Real-Time Worksites
A surface mapping system generates visual depictions of worksite surfaces by processing position data from multiple earthmoving machines.
- Dual-Sensor Anti-Theft System for Retail Detection
A dual-sensor anti-theft system detects metallic and magnetic materials in separate zones to differentiate between trolleys and booster bags.
- Local Coil Antenna Beam Orientation for MRI Reliability
A local coil transmitting antenna adjusts its beam direction independently of coil orientation to enable stable wireless data transfer.