GB1215904A - A device for supervising and indicating breathing - Google Patents
A device for supervising and indicating breathingInfo
- Publication number
- GB1215904A GB1215904A GB2749769A GB2749769A GB1215904A GB 1215904 A GB1215904 A GB 1215904A GB 2749769 A GB2749769 A GB 2749769A GB 2749769 A GB2749769 A GB 2749769A GB 1215904 A GB1215904 A GB 1215904A
- Authority
- GB
- United Kingdom
- Prior art keywords
- breathing
- capacitor
- supervising
- pause
- intensity
- 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
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/103—Detecting, measuring or recording devices for testing the shape, pattern, colour, size or movement of the body or parts thereof, for diagnostic purposes
- A61B5/11—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb
- A61B5/113—Measuring movement of the entire body or parts thereof, e.g. head or hand tremor, mobility of a limb occurring during breathing
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Dentistry (AREA)
- Biophysics (AREA)
- Pathology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Physiology (AREA)
- Oral & Maxillofacial Surgery (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
1,215,904. Monitoring breathing. O. VIERLING. 30 May, 1968 [20 July, 1968], No. 27497/69. Heading A5K. [Also in Division G1] In a device for supervising and indicating breathing, a probe 1 is inserted into the nose, and variations in air flow during breathing are converted into a sinousoidal voltage appearing at the tapping point of two N.T.C. resistors 4, 5 mounted in a measuring chamber 2. This signal is amplified at 6, rectified at 8, and during breathing a capacitor 11 is charged, capacitor 11 being discharged during the pause between breathing. If the voltage on capacitor 11 falls below a threshold value set by circuit 13, e.g. a Schmitt trigger, this circuit 13 activates a generator 14 connected to a loudspeaker 15 and a relay 16 which closes its switch 17 to actuate further alarm systems. Both the intensity and frequency of breathing may be indicated on meters 9 and 7 respectively and may be recorded. Resistor 10 is adjustable to set the discharge rate of capacitor 11 and thus the permissible pause between breaths before the alarm is actuated. The amplifier is adjustible for the intensity of breathing.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19681766801 DE1766801C3 (en) | 1968-07-20 | 1968-07-20 | Device for respiratory monitoring and display |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1215904A true GB1215904A (en) | 1970-12-16 |
Family
ID=5699107
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2749769A Expired GB1215904A (en) | 1968-07-20 | 1969-05-30 | A device for supervising and indicating breathing |
Country Status (3)
| Country | Link |
|---|---|
| DE (1) | DE1766801C3 (en) |
| FR (1) | FR2013385A1 (en) |
| GB (1) | GB1215904A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2641579A1 (en) * | 1976-09-13 | 1978-03-16 | Auergesellschaft Gmbh | ARRANGEMENT FOR MONITORING A PERSON EQUIPPED WITH A RESPIRATOR |
-
1968
- 1968-07-20 DE DE19681766801 patent/DE1766801C3/en not_active Expired
-
1969
- 1969-05-28 FR FR6917435A patent/FR2013385A1/fr not_active Withdrawn
- 1969-05-30 GB GB2749769A patent/GB1215904A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2013385A1 (en) | 1970-04-03 |
| DE1766801B2 (en) | 1973-08-30 |
| DE1766801C3 (en) | 1974-04-04 |
| DE1766801A1 (en) | 1972-03-16 |
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