Base Element Modifications TRIZ Cases

Zero net voltage power is rectified and stored to drive dispenser motors while reducing galvanic corrosion and battery maintenance in humid sites.

Resin-filled slits separate current and voltage regions in a shunt resistor, improving current sensing accuracy, insulation, and strength.

A dielectric hot stick with pivoting jaws and a flange-hole tooth enables secure remote installation of dielectric protectors on energized equipment.

A PCB-linked four-terminal shunt layout reduces inductance and skin effects, extending current measurement accuracy into higher frequencies.

A non-overlapping jumper protrusion creates an equipotential wire-connection region, reducing voltage, resistance, and TCR variation.

A contrasting retrofit indicator makes test switch positions easier to verify in switchboards, reducing inspection errors and operational risk.

A vertical metal trace with resistive pillars uses the output path as a sense resistor, cutting DC-DC current sensing filter area.

Rough and fine calibration slots tune current sense resistor TCR toward zero, improving voltage sensing accuracy across temperature changes.

A parallel photocoupler across the precharge resistor separates relay faults from light-load voltage drops and helps prevent resistor burnout.

Contactless current sensing tracks light source output power without shunt resistors or monitor photodiodes, cutting loss, heat, and circuit complexity.

A vertical metal trace and resistive pillar layout senses DC-DC output current while filtering ripple and shrinking sensor area.

Dual transfer sections raise meter terminal current capacity beyond 63 A while maintaining spring clamping and reducing hot-spot risk.

A parallel test conductor injects a modulated current to verify magnetic current sensors continuously without interrupting the main current path.

Stacked insulated busbar conductors and nested substrates enable low-resistance current sensing while shielding high-frequency radiation.

An electronic switch paired with a mechanical relay removes chattering in battery short-circuit tests and improves current waveform accuracy.

Dual shunt resistors, synchronized ADCs, and temperature compensation improve battery current accuracy under heat and fast current changes.

A one-piece busbar uses currentless measuring contacts and a resistance region to cut phase errors and improve high-current measurement accuracy.

Temperature sensors at shunt voltage clamps enable thermal compensation of Seebeck-induced errors for more accurate battery current readings.

Real-time current and voltage monitoring stabilizes a self-powered protection relay and prevents repeated malfunction under unstable grid power.

A detachable waveguide adapter enables pre-launch horn antenna testing on the spacecraft while containing radio waves in a closed path.

Offset contact points in a shunt battery sensor balance temperature-driven resistance changes for accurate current sensing without correction.

Strategic rough and fine calibration slots reshape the copper path to bring current sense resistor TCR close to zero and stabilize readings.

A bypassed high-voltage current sense circuit switches PMOS and NMOS paths to detect current accurately from 1V to 40V with lower area and power.

A voltage-converter and subtractor circuit enables precise low-ohmic resistance control while resisting temperature drift and source-voltage instability.

Dual high-side sense resistors and differential measurement improve Class-D output current sensing despite switch commutation and leakage.

Two control voltages and a converter stabilize MOSFET resistance over temperature while enabling very low resistance values.

Independent driving and voltage clamping synchronize series power components to shorten transient response and prevent damage.

Clocked capacitors and switches sample and compare voltage levels to measure fast voltage derivatives across wide frequency ranges with less complexity.

An op-amp with isolation and feedback resistors measures supply voltage across an isolation barrier while limiting leakage current in appliances.

A compensation path with matched transistors keeps filter resistors from shifting gain, preserving current sensing accuracy.

Voltage drop across the relay bus bar and temperature sensing enable high-voltage current detection without extra sensors or shunt loss.

Multiple nested active shunts lower input impedance and keep ammeter feedback stable when measuring current in capacitive loads.

By using the amplifier's internal impedance as the sensing element, load current is measured accurately without a shunt resistor.

An NLTL sampler multiplies the strobe frequency to simplify mm-wave IQ demodulation, cutting size, cost, and bandwidth limits.

Paired capacitors and dynamic MOS substrate biasing suppress body-diode leak currents for accurate bipolar differential voltage detection.

Timed activation of the current measuring path captures transistor current while cutting average power loss, heat dissipation, and component size.

Matched on-chip sense and power paths cancel process, voltage, and temperature variation for accurate current detection and limiting.

Staggered drive and power pulses prevent transformer magnetic coupling, enabling precise analog data capture without shielding.

A thermally balanced busbar connector cuts distal-end temperature differences to reduce thermal EMF errors in DC electricity meters.

Injection-current analysis separates leakage and composite currents to measure live cable voltage accurately through insulation despite capacitance variation.

Deenergized measuring contacts in a one-piece busbar cut phase error and magnetic interference for accurate high-current AC and DC sensing.

A welded substrate and gap structure improve shunt sensor heat dissipation, cut screw parts, and support accurate large-current sensing.

Soldered fixing portions join the busbar and circuit board, cutting bolt-based assembly cost while maintaining reliable current-sensor connections.

Overlapping core protrusions increase magnetic contact, block gap-causing debris, and keep current detection accurate in tight spaces.

Thermal symmetry in a bus bar balances shunt heat flux to cut Seebeck offset and improve redundant current sensing accuracy.

Symmetrical sampling points and matched impedance paths reduce welding contact errors and keep shunt current detection accurate.

Separate HF and LF optical paths preserve bandwidth, signal fidelity, and common-mode rejection in high-speed differential measurements.

Relay switching isolates the shunt path during resistance measurement, improving correction accuracy and current detection in noisy circuits.

A DC-bus test loop recycles load power between source and load emulators, cutting energy use and simplifying closed-circuit electrical testing.

By splitting current into parallel shunt and Hall-sensor paths, this case expands measuring range and improves resolution with lower tolerance.

Selective fuse or switch changes set current transformer impedance for accurate calibration despite winding and electrical variation.