WIRELESS POWER TRANSFER AT SUB-GHZ FREQUENCY FOR CAPSULE ENDOSCOPE | Zendy

Keke Ding | Zendy; Ying Yu | Zendy; Hong Lin | Zendy; Jingming Xie | Zendy

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WIRELESS POWER TRANSFER AT SUB-GHZ FREQUENCY FOR CAPSULE ENDOSCOPE

Author(s) -

Keke Ding,

Ying Yu,

Hong Lin,

Jingming Xie

Publication year - 2016

Publication title -

progress in electromagnetics research c

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.341

H-Index - 34

ISSN - 1937-8718

DOI - 10.2528/pierc16042302

Subject(s) - wireless power transfer , capsule , wireless , endoscope , electrical engineering , power (physics) , telecommunications , computer science , physics , engineering , geology , medicine , surgery , paleontology , quantum mechanics

Wireless power transfer system to capsule endoscope at sub-gigahertz (GHz) frequency is presented. Compact self-resonant antennas are designed to realize the transcutaneous power transfer. Experiment shows that at a distance of 5 cm, the designed system operating at 433.9 MHz can realize 1.21% power transfer efficiency (PTE) through duck intestine and porcine multilayered tissues, that is, 47.55 mW power delivered to load (PDL) at the specific absorption rate (SAR) occupational exposure limitation.

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