JP4339798B2 - 人体を通じた通信システムにおけるデータ受信方法及び受信装置 - Google Patents
人体を通じた通信システムにおけるデータ受信方法及び受信装置 Download PDFInfo
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- JP4339798B2 JP4339798B2 JP2004567587A JP2004567587A JP4339798B2 JP 4339798 B2 JP4339798 B2 JP 4339798B2 JP 2004567587 A JP2004567587 A JP 2004567587A JP 2004567587 A JP2004567587 A JP 2004567587A JP 4339798 B2 JP4339798 B2 JP 4339798B2
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- 238000004891 communication Methods 0.000 title claims description 34
- 238000000034 method Methods 0.000 title claims description 21
- 238000005070 sampling Methods 0.000 claims 2
- 239000002775 capsule Substances 0.000 description 33
- 230000005540 biological transmission Effects 0.000 description 10
- 230000035945 sensitivity Effects 0.000 description 7
- 239000004020 conductor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 210000001124 body fluid Anatomy 0.000 description 1
- 239000010839 body fluid Substances 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002674 endoscopic surgery Methods 0.000 description 1
- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 230000009931 harmful effect Effects 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 210000004798 organs belonging to the digestive system Anatomy 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
- 230000009747 swallowing Effects 0.000 description 1
- 210000000689 upper leg Anatomy 0.000 description 1
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B1/00—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor
- A61B1/04—Instruments for performing medical examinations of the interior of cavities or tubes of the body by visual or photographical inspection, e.g. endoscopes; Illuminating arrangements therefor combined with photographic or television appliances
- A61B1/041—Capsule endoscopes for imaging
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/06—Devices, other than using radiation, for detecting or locating foreign bodies ; determining position of probes within or on the body of the patient
- A61B5/061—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body
- A61B5/063—Determining position of a probe within the body employing means separate from the probe, e.g. sensing internal probe position employing impedance electrodes on the surface of the body using impedance measurements
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/07—Endoradiosondes
- A61B5/073—Intestinal transmitters
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Surgery (AREA)
- General Health & Medical Sciences (AREA)
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- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Animal Behavior & Ethology (AREA)
- Human Computer Interaction (AREA)
- Optics & Photonics (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Radiology & Medical Imaging (AREA)
- Endoscopes (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Measuring And Recording Apparatus For Diagnosis (AREA)
Description
Claims (12)
- 人体の内部を移動して人体内部の情報を収集する感知装置から送信される信号を人体を通じて受信する人体通信システムにおけるデータ受信方法において、
人体の表面に装着される複数の受信電極から、前記感知装置により信号電圧が誘起される受信電極対を順次選択する段階と、
前記選択された受信電極対の信号電圧値を処理してメモリに保存する段階と、
前記メモリに保存された信号電圧値に対して所定の演算を行って、最適な受信電極対を選択する段階と、
前記メモリに保存された信号電圧値のうち、前記最適な受信電極対に対応する信号電圧値に対して画像処理を行う段階と、
を含むことを特徴とする人体通信システムにおけるデータ受信方法。 - 前記選択された受信電極対の信号電圧値を処理する段階が、
前記信号電圧値を増幅する段階と、
前記増幅された信号からノイズを除去する段階と、
前記ノイズが除去されたアナログ信号をデジタル信号に変換する段階と、
を含むことを特徴とする請求項1記載の人体通信システムにおけるデータ受信方法。 - 前記メモリに保存された信号電圧値が、2回以上サンプリングして得られた信号電圧値の平均、又は所定時間の間の電圧波形の平均に基づくものであることを特徴とする請求項1記載の人体通信システムにおけるデータ受信方法。
- 前記メモリに保存された信号電圧値のうち、最大値に対応する受信電極対を、前記最適な受信電極対として選択することを特徴とする請求項1記載の人体通信システムにおけるデータ受信方法。
- 前記最適な受信電極対の位置から前記感知装置の位置情報を計算して、該位置情報を前記メモリに順次保存する段階をさらに含むことを特徴とする請求項1記載の人体通信システムにおけるデータ受信方法。
- 前記感知装置の移動経路、速度及び方向が、前記位置情報から導き出されることを特徴とする請求項5記載の人体通信システムにおけるデータ受信方法。
- 人体の内部を移動して人体内部の情報を収集する感知装置から送信される信号を人体を通じて受信する人体通信システムにおけるデータ受信装置において、
人体の表面に装着される複数の受信電極と、
前記複数の受信電極から、前記感知装置により信号電圧が誘起される受信電極対を順次選択するスイッチング手段と、
前記スイッチング手段により選択された受信電極対の信号電圧値を処理する処理手段と、
前記処理された信号電圧値を保存するメモリと、
前記メモリに保存された信号電圧値から最大値を算出する比較演算手段と、
前記スイッチング手段及び前記比較演算手段を制御して、前記最大値を発生する受信電極対を通信用電極として選択する制御手段と、
前記制御手段により選択された受信電極対の信号電圧値を画像処理する画像処理手段と、
を含むことを特徴とする人体通信システムにおけるデータ受信装置。 - 前記スイッチング手段が、前記複数の受信電極にそれぞれ接続されて異なる受信電極対を順次選択する第1スイッチング回路及び第2スイッチング回路を含むことを特徴とする請求項7記載の人体通信システムにおけるデータ受信装置。
- 前記処理手段が、
前記スイッチング手段から出力された信号電圧値を増幅する差動増幅器と、
前記増幅された信号からノイズを除去する帯域通過フィルタと、
前記ノイズが除去されたアナログ信号をデジタル信号に変換するA/Dコンバータと、
を含むことを特徴とする請求項7記載の人体通信システムにおけるデータ受信装置。 - 前記メモリに保存された信号電圧値が、2回以上サンプリングして得られた信号電圧値の平均、又は所定時間の間の電圧波形の平均に基づくものであることを特徴とする請求項7記載の人体通信システムにおけるデータ受信装置。
- 前記比較演算手段が、前記最大値を発生する受信電極対の位置から前記感知装置の位置情報を計算して、該位置情報を前記メモリに順次保存することを特徴とする請求項7記載の人体通信システムにおけるデータ受信装置。
- 前記感知装置の移動経路、速度及び方向が、前記位置情報から導き出されることを特徴とする請求項11記載の人体通信システムにおけるデータ受信装置。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2003-0005058A KR100522132B1 (ko) | 2003-01-25 | 2003-01-25 | 인체통신시스템에서의 데이터 수신방법 및 수신장치 |
PCT/KR2003/002938 WO2004066833A1 (en) | 2003-01-25 | 2003-12-31 | Method and apparatus for receiving data in human body communication system |
Publications (2)
Publication Number | Publication Date |
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JP2006513001A JP2006513001A (ja) | 2006-04-20 |
JP4339798B2 true JP4339798B2 (ja) | 2009-10-07 |
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JP2004567587A Expired - Lifetime JP4339798B2 (ja) | 2003-01-25 | 2003-12-31 | 人体を通じた通信システムにおけるデータ受信方法及び受信装置 |
Country Status (7)
Country | Link |
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US (1) | US7463918B2 (ja) |
EP (2) | EP1596711B1 (ja) |
JP (1) | JP4339798B2 (ja) |
KR (1) | KR100522132B1 (ja) |
CN (1) | CN1309343C (ja) |
AU (1) | AU2003288792A1 (ja) |
WO (1) | WO2004066833A1 (ja) |
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CN1741766A (zh) | 2006-03-01 |
KR100522132B1 (ko) | 2005-10-18 |
JP2006513001A (ja) | 2006-04-20 |
KR20040068424A (ko) | 2004-07-31 |
US20060173265A1 (en) | 2006-08-03 |
EP1596711A4 (en) | 2013-01-09 |
AU2003288792A1 (en) | 2004-08-23 |
EP3143927A1 (en) | 2017-03-22 |
EP1596711A1 (en) | 2005-11-23 |
WO2004066833A1 (en) | 2004-08-12 |
EP1596711B1 (en) | 2016-11-23 |
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