JPS5615901B2 - - Google Patents
Info
- Publication number
- JPS5615901B2 JPS5615901B2 JP13381074A JP13381074A JPS5615901B2 JP S5615901 B2 JPS5615901 B2 JP S5615901B2 JP 13381074 A JP13381074 A JP 13381074A JP 13381074 A JP13381074 A JP 13381074A JP S5615901 B2 JPS5615901 B2 JP S5615901B2
- Authority
- JP
- Japan
- 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
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
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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
- 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)
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- Medical Informatics (AREA)
- Animal Behavior & Ethology (AREA)
- Gynecology & Obstetrics (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Pregnancy & Childbirth (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Cardiology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Pediatric Medicine (AREA)
- Reproductive Health (AREA)
- Physiology (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)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13381074A JPS5615901B2 (en) | 1974-11-20 | 1974-11-20 | |
| DE2548799A DE2548799C3 (en) | 1974-11-20 | 1975-10-31 | Method and device for measuring the period or frequency of a signal |
| FR7535154A FR2292237A1 (en) | 1974-11-20 | 1975-11-18 | METHOD AND DEVICE FOR MEASURING THE PERIOD LENGTH OR FREQUENCY OF A SIGNAL |
| GB47695/75A GB1496837A (en) | 1974-11-20 | 1975-11-19 | Method and apparatus for measuring the frequency and/or period of a signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13381074A JPS5615901B2 (en) | 1974-11-20 | 1974-11-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5159491A JPS5159491A (en) | 1976-05-24 |
| JPS5615901B2 true JPS5615901B2 (en) | 1981-04-13 |
Family
ID=15113556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13381074A Expired JPS5615901B2 (en) | 1974-11-20 | 1974-11-20 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS5615901B2 (en) |
| DE (1) | DE2548799C3 (en) |
| FR (1) | FR2292237A1 (en) |
| GB (1) | GB1496837A (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4064488A (en) * | 1976-06-10 | 1977-12-20 | Motorola, Inc. | Sampled signal detector |
| DE2818768C2 (en) * | 1978-04-28 | 1986-07-24 | Hewlett-Packard GmbH, 7030 Böblingen | Method and device for measuring the frequency or the period duration of the fundamental oscillation of an approximately periodic input signal |
| DE3120525C2 (en) * | 1981-05-22 | 1986-11-27 | Siemens AG, 1000 Berlin und 8000 München | Method and circuit for the digital acquisition of the frequency of an electrical signal which fluctuates at a low frequency |
| US4938228A (en) * | 1989-02-15 | 1990-07-03 | Righter William H | Wrist worn heart rate monitor |
| JP3980969B2 (en) * | 2002-08-30 | 2007-09-26 | パイオニア株式会社 | Heart rate measurement system, heart rate measurement method, heart rate measurement program, and recording medium recording the program |
| DE102006032962A1 (en) * | 2006-07-07 | 2008-01-10 | Rhode & Schwarz Gmbh & Co. Kg | Analog trigger signal`s temporal state determining method for measuring time, involves implementing analog cross correlation between trigger and clock signals, and implementing analog integration in integrator after analog mixing |
| JP4747341B2 (en) * | 2006-09-26 | 2011-08-17 | 真美子 磯上 | Homogenizer for pretreatment of solid and / or plant specimens |
| CN111007475B (en) * | 2019-12-11 | 2023-06-06 | 西安电子科技大学 | A fuzzy secondary peak suppression method in the frequency domain of LTE external radiation source radar |
| CN111141926B (en) * | 2019-12-27 | 2022-06-03 | 宁波三星智能电气有限公司 | Method for detecting rotating speed of fan in charging pile |
| CN112842312B (en) * | 2021-02-01 | 2022-03-08 | 上海交通大学 | Heart rate sensor and self-adaptive heartbeat lock ring system and method thereof |
| CN113490313A (en) * | 2021-02-09 | 2021-10-08 | 赛尔富电子有限公司 | Automatic lighting system and control method |
| CN115356906B (en) * | 2022-07-13 | 2024-04-30 | 北京大学 | Linear optical sampling double-threshold fitting method and time deviation estimation method |
| CN119810873B (en) * | 2025-03-12 | 2025-07-22 | 合肥中科知奇信息科技有限公司 | Information output method, device, equipment, medium and program product |
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1974
- 1974-11-20 JP JP13381074A patent/JPS5615901B2/ja not_active Expired
-
1975
- 1975-10-31 DE DE2548799A patent/DE2548799C3/en not_active Expired
- 1975-11-18 FR FR7535154A patent/FR2292237A1/en active Granted
- 1975-11-19 GB GB47695/75A patent/GB1496837A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2548799A1 (en) | 1976-05-26 |
| FR2292237B3 (en) | 1977-12-16 |
| DE2548799C3 (en) | 1978-06-22 |
| JPS5159491A (en) | 1976-05-24 |
| DE2548799B2 (en) | 1977-09-15 |
| GB1496837A (en) | 1978-01-05 |
| FR2292237A1 (en) | 1976-06-18 |