MULTI ENERGY HARVESTING SYSTEM
First Claim
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1. A multi energy harvesting system, comprising:
- a DC energy source harvesting circuit, comprising;
a DC energy source harvesting unit, for generating a direct current (DC) based on a first physical quality; and
a first DC to DC converter, coupled to the DC energy source harvesting unit, for adjusting voltage of the DC;
an AC energy source harvesting circuit, comprising;
an AC energy source harvesting unit, for generating an alternating current (AC) based on a second physical quality; and
a rectifier, coupled to the AC energy source harvesting unit, for rectifying the AC; and
an assistance circuit, coupled between the DC energy source harvesting circuit and the AC energy source harvesting circuit, for increasing efficiency of the AC energy source harvesting circuit by using the DC generated by DC energy source harvesting unit, and increasing efficiency of first DC to DC converter by using the AC provided by the rectifier.
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Abstract
A multi energy harvesting system is provided. The system includes: a DC energy source harvesting circuit, having a DC energy source harvesting unit for generating a DC based on a first physical quality, and a first DC to DC converter for adjusting voltage of the DC; an AC energy source harvesting circuit, having an AC energy source harvesting unit for generating an AC based on a second physical quality and a rectifier for rectifying the AC; and an assistance circuit, coupled between the DC energy source harvesting circuit and the AC energy source harvesting circuit, for increasing efficiency thereof.
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Citations
12 Claims
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1. A multi energy harvesting system, comprising:
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a DC energy source harvesting circuit, comprising; a DC energy source harvesting unit, for generating a direct current (DC) based on a first physical quality; and a first DC to DC converter, coupled to the DC energy source harvesting unit, for adjusting voltage of the DC; an AC energy source harvesting circuit, comprising; an AC energy source harvesting unit, for generating an alternating current (AC) based on a second physical quality; and a rectifier, coupled to the AC energy source harvesting unit, for rectifying the AC; and an assistance circuit, coupled between the DC energy source harvesting circuit and the AC energy source harvesting circuit, for increasing efficiency of the AC energy source harvesting circuit by using the DC generated by DC energy source harvesting unit, and increasing efficiency of first DC to DC converter by using the AC provided by the rectifier. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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Specification