JPH0524776B2 - - Google Patents
Info
- Publication number
- JPH0524776B2 JPH0524776B2 JP15658585A JP15658585A JPH0524776B2 JP H0524776 B2 JPH0524776 B2 JP H0524776B2 JP 15658585 A JP15658585 A JP 15658585A JP 15658585 A JP15658585 A JP 15658585A JP H0524776 B2 JPH0524776 B2 JP H0524776B2
- Authority
- JP
- Japan
- Prior art keywords
- detection
- detection target
- permanent magnet
- position sensor
- magnetic
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000001514 detection method Methods 0.000 claims description 52
- 229920003002 synthetic resin Polymers 0.000 claims description 6
- 239000000057 synthetic resin Substances 0.000 claims description 6
- 229920001971 elastomer Polymers 0.000 claims description 4
- 239000005060 rubber Substances 0.000 claims description 4
- 230000035699 permeability Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 239000002390 adhesive tape Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 21
- 238000006073 displacement reaction Methods 0.000 description 19
- 238000005259 measurement Methods 0.000 description 8
- 230000010349 pulsation Effects 0.000 description 8
- 230000000747 cardiac effect Effects 0.000 description 7
- 210000000779 thoracic wall Anatomy 0.000 description 4
- 210000000707 wrist Anatomy 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 239000011159 matrix material Substances 0.000 description 3
- 210000001715 carotid artery Anatomy 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002861 ventricular Effects 0.000 description 2
- 241000282412 Homo Species 0.000 description 1
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 210000001765 aortic valve Anatomy 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 208000028831 congenital heart disease Diseases 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000004217 heart function Effects 0.000 description 1
- 210000005246 left atrium Anatomy 0.000 description 1
- 210000005240 left ventricle Anatomy 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15658585A JPS6216738A (ja) | 1985-07-15 | 1985-07-15 | 位置センサ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15658585A JPS6216738A (ja) | 1985-07-15 | 1985-07-15 | 位置センサ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6216738A JPS6216738A (ja) | 1987-01-24 |
| JPH0524776B2 true JPH0524776B2 (fr) | 1993-04-08 |
Family
ID=15630979
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15658585A Granted JPS6216738A (ja) | 1985-07-15 | 1985-07-15 | 位置センサ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6216738A (fr) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0448164Y2 (fr) * | 1987-07-17 | 1992-11-13 |
-
1985
- 1985-07-15 JP JP15658585A patent/JPS6216738A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6216738A (ja) | 1987-01-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4765321A (en) | Displacement sensor for a living body | |
| US4805633A (en) | Displacement sensor | |
| US4428380A (en) | Method and improved apparatus for analyzing activity | |
| US4628939A (en) | Method and improved apparatus for analyzing heart activity | |
| Vermarien et al. | The recording of heart vibrations: a problem of vibration measurement on soft tissue | |
| WO1990008503A1 (fr) | Phonocardiographe spectral dynamique | |
| EP3471610A1 (fr) | Détermination de condition physique cardiovasculaire et cardio-respiratoire | |
| Alametsä et al. | The potential of EMFi sensors in heart activity monitoring | |
| US4840183A (en) | Electrocardiograph | |
| Goovaerts et al. | A transducer for detection of fetal breathing movements | |
| Cozic et al. | Development of a cardiac acoustic mapping system | |
| JPH0524776B2 (fr) | ||
| Durand et al. | Modeling of the transfer function of the heart-thorax acoustic system in dogs | |
| Mohri et al. | Accurate mechanocardiogram sensors using amorphous star-shaped core multivibrator combined with a magnet | |
| Fenton et al. | Measuring characteristics of the displacement cardiograph | |
| JPS6264338A (ja) | 位置センサ | |
| Schneider et al. | Precordial low-frequency displacements of the thoracic wall method of recording and registration | |
| Johnson et al. | Characteristics of transducers used for recording the apexcardiogram. | |
| JPH0546216B2 (fr) | ||
| Kastor et al. | Air leaks as a source of distortion in apexcardiography | |
| JPS6321049A (ja) | 核磁気共鳴現象を用いた脳機能計測装置 | |
| Nomura et al. | Identification of human pulse waveform by silicon microphone chip | |
| Pečlin et al. | Auscultation of a heart and vascular activity during auricular nerve stimulation | |
| Mohri et al. | Mechanocardiograph Sensors Using Amorphous Star-Shaped Core Multivibrators | |
| RU2806618C2 (ru) | Датчик давления для введения в систему кровообращения человека |