Sentence examples for external power sources from inspiring English sources

Attractive approaches based on energy harvesting technology that convert ambient energy resources such as thermal, solar and mechanical energies into electrical energy have been recently studied to realize the demonstration of self-powered energy system in portable devices without external power sources like batteries [1 4].

In reviewing the studies, the recent works have shown promising concept to realize self-powered gas sensors that are capable of detecting gases using NGs as external power sources to actively generate a readout signal or to activate the sensor gas interaction.

No batteries or external power sources are required.

The plane can use power from these cells to take off, fly and land without external power sources.

Firstly, they do not require toxic fuels or external power sources, and secondly, they are not as potentially harmful as some bacteria could be.

The DocuPen evolved from early hand-held scanners that required external power sources and were a "nuisance," recalled Martin Richardson, a retired engineer in Huber Heights, Ohio.

Additionally, reducing the potential difference required to perform electroporation enables the development of electroporation devices that utilize small power sources (such as batteries), and could potentially facilitate the creation of electroporation devices that do not require an external power source (self-powered electroporation devices).

A typical, unrestored vintage camper may have a hand-pump sink with a small water storage tank, a kerosene or propane heater, a gas stove and a 110-volt refrigerator that must be plugged in to an external power source, and possibly even a propane-powered lighting system.

For the system, the optimized electrodes in the microsupercapacitor were utilized as the source and drain electrodes of the CdS photodetector simultaneously, configuring a minimized self-powered-like visible light photodetector system without external power source.

Though some may prefer not having to buy batteries and keep changing them, the advantage for others is that if you're on the road where charging is impossible, or overseas without an adapter -- and even your external power source has run out -- a battery-powered charger will save you.

For this passive exoskeleton, no external power source is wanted, i.e. no sensors or powered actuators can be used.