DE1805564B2 - DEVICE FOR MEASURING LOW REPEAT FREQUENCIES - Google Patents
DEVICE FOR MEASURING LOW REPEAT FREQUENCIESInfo
- Publication number
- DE1805564B2 DE1805564B2 DE19681805564 DE1805564A DE1805564B2 DE 1805564 B2 DE1805564 B2 DE 1805564B2 DE 19681805564 DE19681805564 DE 19681805564 DE 1805564 A DE1805564 A DE 1805564A DE 1805564 B2 DE1805564 B2 DE 1805564B2
- Authority
- DE
- Germany
- Prior art keywords
- measuring low
- low repeat
- repeat frequencies
- frequencies
- measuring
- 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.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—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
- A61B5/0245—Measuring pulse rate or heart rate by using sensing means generating electric signals, i.e. ECG signals
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Cardiology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Medical Informatics (AREA)
- Signal Processing (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- General Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Physiology (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Electrotherapy Devices (AREA)
- Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL6715252A NL6715252A (en) | 1967-11-10 | 1967-11-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE1805564A1 DE1805564A1 (en) | 1970-02-19 |
| DE1805564B2 true DE1805564B2 (en) | 1971-08-15 |
Family
ID=19801678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19681805564 Pending DE1805564B2 (en) | 1967-11-10 | 1968-10-26 | DEVICE FOR MEASURING LOW REPEAT FREQUENCIES |
Country Status (4)
| Country | Link |
|---|---|
| DE (1) | DE1805564B2 (en) |
| FR (1) | FR1593147A (en) |
| GB (1) | GB1182046A (en) |
| NL (1) | NL6715252A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2368758A1 (en) * | 1976-10-19 | 1978-05-19 | Voron Politekhn Ins | Digital measurement of instantaneous values - uses time stress converter, hyperbola function generator, counter and display for slowly changing events |
-
1967
- 1967-11-10 NL NL6715252A patent/NL6715252A/xx unknown
-
1968
- 1968-10-26 DE DE19681805564 patent/DE1805564B2/en active Pending
- 1968-11-08 FR FR1593147D patent/FR1593147A/fr not_active Expired
- 1968-11-08 GB GB5304068A patent/GB1182046A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR1593147A (en) | 1970-05-25 |
| DE1805564A1 (en) | 1970-02-19 |
| NL6715252A (en) | 1969-05-13 |
| GB1182046A (en) | 1970-02-25 |
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