Electric Power TRIZ Cases

Segmented charging transmitters enable flexible device placement and simultaneous multi-device charging while maintaining high efficiency.

Weighted feedback signals in a contactless power supply detect foreign objects and coil shifts, preventing overheating without temperature sensors.

A battery charger adjusts charging current based on calculated anode resistance and voltage to prevent lithium plating during fast charge cycles.

A vertical wireless charger uses a bottom thermal sensor to detect metal foreign objects generating unusual heat during charging.

A software controlled thermal feedback system dynamically adjusts charging power levels in portable devices.

A wireless power receiver dynamically adjusts antenna configurations to optimize signal reception.

Automated trailer cover actuator uses a supercapacitor to replace hazardous manual tarping operations.

A handheld device charging circuit uses a control unit to lower safety restrictions on current transfer for rapid battery replenishment.

Separating magnetic charging and communication interfaces resolves bandwidth limitations while dynamically adjusting charging zones to enhance efficiency.

Merging the fuel cell output into the existing bypass path eliminates redundant converters, reducing UPS complexity while extending backup duration.

Transmitters create localized RF interference patterns to reduce energy wastage during wireless power transfer.

A DC bus power system connects photovoltaic arrays via a DC/DC pre-conditioner, bypassing AC conversion to eliminate energy loss and maintain grid stability.

A power-transmitting node accumulates transmitted power data to calculate accurate levels during wireless charging sessions.

A wireless power transmitter adjusts transmission levels based on real-time coupling efficiency and load impedance data from the receiving unit.

A battery controller uses monitoring logic to switch between closed-loop and open-loop operations.

A vehicle charger adjusts power delivery through dynamic voltage conversion.

A two-stage wireless startup signal activates a battery-powered device by sequentially supplying initial and control power.

A charging converter adjusts input voltage to match storage unit requirements using dynamic step-up or step-down switching.

A battery control apparatus adjusts converter output values to balance states of charge across series-connected cells.

Variable beacon cycles adjust detection power levels to identify receivers, reducing energy waste during the initial discovery phase.

A wireless charging system traces optimal frequency points by sending sensing signals and adjusting capacitance values to maintain resonant alignment.

A fast battery charging system detects external power sources to activate a dedicated high-current module for rapid energy transfer.

A power source outputs predetermined activation power to a control unit before enumeration processing completes, enabling reliable charging.

Integrating multiple battery strings into one unit reduces space and cost while extending backup time.

Selective current shunt reduces biasing current to throttle voltage slew rate, preventing anomalous charging current violations.

Dynamic current pulse stepping with increasing clamp voltages reduces lithium-ion concentration gradients and battery stress during fast charging cycles.

Electronic unit provides continuous state notification using received power during charging and non-charging periods.

A multi-sided wrap around bus bar connects battery, module, and relay block terminals within a vehicle power distribution device.

A high voltage wakeup module disconnects loads from a single battery unit during shutdown to eliminate parasitic energy loss.

A battery charger system monitors current flow across a sense resistor to detect overcurrent conditions and adjust adapter switch operation.

A bidirectional MOSFET charge control circuit uses independent gate and back gate voltage regulation to manage current flow.

An integrated fan cools a wireless charging coil, resolving high-power thermal buildup while maintaining efficient energy transfer.

A print terminal uses electromagnetic induction to charge portable devices while establishing wireless communication channels for image transfer.

A battery charging apparatus uses a Battery Management System to generate terminal voltage based on cell type for automatic charger identification.

A control circuit adjusts wireless charging intensity via a conductive pattern, preventing overheating and electromagnetic interference during misalignment.

A battery management unit monitors voltage levels to withhold power from components during discharge cycles.

A dual loop control architecture adjusts transmitter coil current using receiver and sensor feedback for stable power transfer.

Segmented storage units resolve installation complexity by enabling scalable capacity without centralized wiring constraints.

Segmented power path switches reduce voltage drops and current overshoots during battery charging cycles by managing multiple controllable transistor segments.

A solar charging device activates its control system only when output power meets a specific threshold.

A microcontroller monitors input voltage and load conditions to adjust switching frequencies in GaN power devices.

Antenna array beamforming directs RF signals to a specific focus region for targeted wireless power delivery.

A charger circuit reuses USB data pins for power delivery to increase charging current without changing cable standards.

A dedicated USB power port disables data transfer by shorting D+ and D- pins to deliver 1 Amp or more of charging current without extra circuitry.

A mobile device sensor detects movement from a charging stand after power transfer completion to notify the user for repositioning.

A soft start circuit selects the lowest voltage between a ramping control signal and an error voltage to regulate battery charging current.

A mobile terminal detects external charging devices using UART communication and differential data pin states to initiate rapid charging.

Electromagnetic reed switches verify orientation before enabling charging, preventing arcing from premature contact.