CPLD based bi-directional wireless capsule endoscopes

Jyunghyun Lee, Yeonkwan Moon, Youngho Yoon, Heejoon Park, Chulho Won, Hyunchul Choi, Jinho Cho

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

In the case of miniaturized telemetry capsules, such as a capsule endoscope that can acquire and transmit images from the intestines, the size and the power consumption of the module are restricted. In the capsule endoscopes, it is desirable that the control function can capacitate the sampling of digestive fluid and tissue, drug delivery, and locomotion. In this paper, the control function was embodied by bi-directional communication. A CPLD (complex programmable logic device) controller was designed and implemented for the bi-directional communication in capsule endoscope. The diameter of capsule was 12 mm and the length was 30 mm. The performance of implemented capsule was verified by in-vivo animal experiments.

Original languageEnglish
Pages (from-to)694-697
Number of pages4
JournalIEICE Transactions on Information and Systems
VolumeE90-D
Issue number3
DOIs
StatePublished - Mar 2007

Keywords

  • Bi-directional wireless capsule endoscopes
  • CPLD
  • Encoder/decoder

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