FR2292237A1 - Procede et dispositif de mesure de la duree de periode ou de la frequence d'un signal - Google Patents

Procede et dispositif de mesure de la duree de periode ou de la frequence d'un signal

Info

Publication number
FR2292237A1
FR2292237A1 FR7535154A FR7535154A FR2292237A1 FR 2292237 A1 FR2292237 A1 FR 2292237A1 FR 7535154 A FR7535154 A FR 7535154A FR 7535154 A FR7535154 A FR 7535154A FR 2292237 A1 FR2292237 A1 FR 2292237A1
Authority
FR
France
Prior art keywords
measuring
frequency
signal
period length
period
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.)
Granted
Application number
FR7535154A
Other languages
English (en)
French (fr)
Other versions
FR2292237B3 (enrdf_load_stackoverflow
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hewlett Packard Japan Inc
Original Assignee
Yokogawa Hewlett Packard Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Yokogawa Hewlett Packard Ltd filed Critical Yokogawa Hewlett Packard Ltd
Publication of FR2292237A1 publication Critical patent/FR2292237A1/fr
Application granted granted Critical
Publication of FR2292237B3 publication Critical patent/FR2292237B3/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/43—Detecting, measuring or recording for evaluating the reproductive systems
    • A61B5/4306—Detecting, measuring or recording for evaluating the reproductive systems for evaluating the female reproductive systems, e.g. gynaecological evaluations
    • A61B5/4343—Pregnancy and labour monitoring, e.g. for labour onset detection
    • A61B5/4362—Assessing foetal parameters
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/02—Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow
    • A61B5/024—Measuring pulse rate or heart rate
    • A61B5/02411—Measuring pulse rate or heart rate of foetuses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R17/00—Measuring arrangements involving comparison with a reference value, e.g. bridge
    • G01R17/02—Arrangements in which the value to be measured is automatically compared with a reference value
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G01R23/02—Arrangements for measuring frequency, e.g. pulse repetition rate; Arrangements for measuring period of current or voltage
    • G—PHYSICS
    • G04—HOROLOGY
    • G04F—TIME-INTERVAL MEASURING
    • G04F10/00—Apparatus for measuring unknown time intervals by electric means

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Public Health (AREA)
  • Surgery (AREA)
  • Veterinary Medicine (AREA)
  • Pregnancy & Childbirth (AREA)
  • Biophysics (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Cardiology (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Gynecology & Obstetrics (AREA)
  • Physiology (AREA)
  • Pediatric Medicine (AREA)
  • Reproductive Health (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
  • Radar Systems Or Details Thereof (AREA)
FR7535154A 1974-11-20 1975-11-18 Procede et dispositif de mesure de la duree de periode ou de la frequence d'un signal Granted FR2292237A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13381074A JPS5615901B2 (enrdf_load_stackoverflow) 1974-11-20 1974-11-20

Publications (2)

Publication Number Publication Date
FR2292237A1 true FR2292237A1 (fr) 1976-06-18
FR2292237B3 FR2292237B3 (enrdf_load_stackoverflow) 1977-12-16

Family

ID=15113556

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7535154A Granted FR2292237A1 (fr) 1974-11-20 1975-11-18 Procede et dispositif de mesure de la duree de periode ou de la frequence d'un signal

Country Status (4)

Country Link
JP (1) JPS5615901B2 (enrdf_load_stackoverflow)
DE (1) DE2548799C3 (enrdf_load_stackoverflow)
FR (1) FR2292237A1 (enrdf_load_stackoverflow)
GB (1) GB1496837A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113490313A (zh) * 2021-02-09 2021-10-08 赛尔富电子有限公司 一种自动照明系统以及控制方法

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4064488A (en) * 1976-06-10 1977-12-20 Motorola, Inc. Sampled signal detector
DE2818768C2 (de) * 1978-04-28 1986-07-24 Hewlett-Packard GmbH, 7030 Böblingen Verfahren und Vorrichtung zum Messen der Frequenz bzw. der Periodendauer der Grundschwingung eines annähernd periodischen Eingangssignales
DE3120525C2 (de) * 1981-05-22 1986-11-27 Siemens AG, 1000 Berlin und 8000 München Verfahren und Schaltung zur digitalen Erfassung der Frequenz eines niderfrequent schwankenden elektrischen Signals
US4938228A (en) * 1989-02-15 1990-07-03 Righter William H Wrist worn heart rate monitor
JP3980969B2 (ja) * 2002-08-30 2007-09-26 パイオニア株式会社 心拍数計測システム、心拍数計測方法、心拍数計測プログラムおよびそのプログラムを記録した記録媒体
DE102006032962A1 (de) * 2006-07-07 2008-01-10 Rhode & Schwarz Gmbh & Co. Kg Vorrichtung und Verfahren für hochauflösende Zeitmessungen
JP4747341B2 (ja) * 2006-09-26 2011-08-17 真美子 磯上 固体及び／又は植物検体の前処理の為のホモジナイザー
CN111007475B (zh) * 2019-12-11 2023-06-06 西安电子科技大学 一种lte外辐射源雷达频域模糊副峰抑制方法
CN111141926B (zh) * 2019-12-27 2022-06-03 宁波三星智能电气有限公司 一种充电桩内的风机转速检测方法
CN112842312B (zh) * 2021-02-01 2022-03-08 上海交通大学 心率传感器及其自适应心跳锁环系统和方法
CN115356906B (zh) * 2022-07-13 2024-04-30 北京大学 一种线性光学采样的双阈值拟合方法及时间偏差估计方法
CN119810873B (zh) * 2025-03-12 2025-07-22 合肥中科知奇信息科技有限公司 信息输出方法、装置、设备、介质和程序产品

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113490313A (zh) * 2021-02-09 2021-10-08 赛尔富电子有限公司 一种自动照明系统以及控制方法

Also Published As

Publication number Publication date
DE2548799B2 (de) 1977-09-15
DE2548799A1 (de) 1976-05-26
DE2548799C3 (de) 1978-06-22
JPS5159491A (enrdf_load_stackoverflow) 1976-05-24
GB1496837A (en) 1978-01-05
JPS5615901B2 (enrdf_load_stackoverflow) 1981-04-13
FR2292237B3 (enrdf_load_stackoverflow) 1977-12-16

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