JPS624971B2 - - Google Patents
Info
- Publication number
- JPS624971B2 JPS624971B2 JP55097820A JP9782080A JPS624971B2 JP S624971 B2 JPS624971 B2 JP S624971B2 JP 55097820 A JP55097820 A JP 55097820A JP 9782080 A JP9782080 A JP 9782080A JP S624971 B2 JPS624971 B2 JP S624971B2
- Authority
- JP
- Japan
- Prior art keywords
- peak
- period
- signal
- time
- autocorrelation function
- 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
Links
- 238000005311 autocorrelation function Methods 0.000 claims description 69
- 238000004364 calculation method Methods 0.000 claims description 48
- 238000005070 sampling Methods 0.000 claims description 47
- 238000005259 measurement Methods 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 23
- 238000005314 correlation function Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 description 10
- 238000012790 confirmation Methods 0.000 description 9
- 230000001605 fetal effect Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 2
- 210000003754 fetus Anatomy 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 238000007781 pre-processing Methods 0.000 description 2
- 239000000523 sample Substances 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 210000002458 fetal heart Anatomy 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
Landscapes
- Measuring Frequencies, Analyzing Spectra (AREA)
- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
- Complex Calculations (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9782080A JPS5722736A (en) | 1980-07-17 | 1980-07-17 | Cycle measuring system |
US06/281,163 US4463425A (en) | 1980-07-17 | 1981-07-07 | Period measurement system |
FR8113883A FR2495330A1 (fr) | 1980-07-17 | 1981-07-16 | Systeme de mesure de periode |
DE19813128171 DE3128171A1 (de) | 1980-07-17 | 1981-07-16 | Periodendauermessvorrichtung |
CA000381973A CA1174733A (fr) | 1980-07-17 | 1981-07-17 | Systeme de mesure de periodes |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9782080A JPS5722736A (en) | 1980-07-17 | 1980-07-17 | Cycle measuring system |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP63278598A Division JPH021566A (ja) | 1988-11-04 | 1988-11-04 | 周期測定装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5722736A JPS5722736A (en) | 1982-02-05 |
JPS624971B2 true JPS624971B2 (fr) | 1987-02-02 |
Family
ID=14202368
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9782080A Granted JPS5722736A (en) | 1980-07-17 | 1980-07-17 | Cycle measuring system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5722736A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100450344B1 (ko) * | 2001-10-26 | 2004-10-01 | 주식회사 트루라인시스템즈 | 프로젝터 빛 투과형 스크린 및 그 제조방법 |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59198122A (ja) * | 1983-04-25 | 1984-11-09 | Tokuyama Soda Co Ltd | 粗面化ポリプロピレンフイルムの製法 |
JPS6023023A (ja) * | 1983-07-20 | 1985-02-05 | Tokuyama Soda Co Ltd | 粗面化ポリプロピレンフィルムの製造方法 |
JPS60262625A (ja) * | 1984-06-11 | 1985-12-26 | Tokuyama Soda Co Ltd | ポリプロピレンフイルム |
JPH021566A (ja) * | 1988-11-04 | 1990-01-05 | Terumo Corp | 周期測定装置 |
JP5127526B2 (ja) * | 2008-03-25 | 2013-01-23 | 株式会社東芝 | 脈波計測装置及び脈波計測方法 |
EP2496143A4 (fr) * | 2009-11-04 | 2014-08-20 | Glaxo Group Ltd | Moniteur de fréquence cardiaque |
JP5516428B2 (ja) | 2010-10-14 | 2014-06-11 | 株式会社村田製作所 | 拍動周期算出装置およびこれを備えた生体センサ |
CN102613964B (zh) * | 2012-03-12 | 2013-12-25 | 深圳市视聆科技开发有限公司 | 获取生理信号周期的方法及系统 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS535888A (en) * | 1976-07-05 | 1978-01-19 | Toitsu Kogyo Kk | System for counting fatal pulse |
-
1980
- 1980-07-17 JP JP9782080A patent/JPS5722736A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS535888A (en) * | 1976-07-05 | 1978-01-19 | Toitsu Kogyo Kk | System for counting fatal pulse |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100450344B1 (ko) * | 2001-10-26 | 2004-10-01 | 주식회사 트루라인시스템즈 | 프로젝터 빛 투과형 스크린 및 그 제조방법 |
Also Published As
Publication number | Publication date |
---|---|
JPS5722736A (en) | 1982-02-05 |
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