GB783945A - - Google Patents
Info
- Publication number
- GB783945A GB783945A GB783945DA GB783945A GB 783945 A GB783945 A GB 783945A GB 783945D A GB783945D A GB 783945DA GB 783945 A GB783945 A GB 783945A
- Authority
- GB
- United Kingdom
- Prior art keywords
- diaphragm
- dec
- case
- soc
- tube
- 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.)
- Active
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B7/00—Instruments for auscultation
- A61B7/02—Stethoscopes
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Molecular Biology (AREA)
- Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Medical Informatics (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Toys (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Headphones And Earphones (AREA)
Abstract
783,945. Stethoscopes. SOC. BELGE D'OPTIQUE ET D'INSTRUMENTS DE PRECISION SOC. ANON. Dec. 22, 1955 [Dec. 28, 1954], No. 36750/55. Class 81 (2). A stethoscope comprises a case 1, closed at the bottom by a plane diaphragm 2 made of cellulose acetate, and housing an inertia element 3, floatingly secured to the case by washers 4, 5 and a tubular diaphragm 8. The diaphragm 8 is fixed at its upper end to an adjustable tube 9, the threaded part of which passes through the plug 10 and the rotatable knob 11 and which terminates in a collar 12 for the attachment of the listening tube. The diaphragm 2 is protected and insulated against external sounds by a cylindrical part 14.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE1049046X | 1954-12-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB783945A true GB783945A (en) |
Family
ID=3892822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB783945D Active GB783945A (en) | 1954-12-28 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US2836255A (en) |
| BE (1) | BE534484A (en) |
| DE (1) | DE1049046B (en) |
| FR (1) | FR1120278A (en) |
| GB (1) | GB783945A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998051221A1 (en) * | 1997-05-13 | 1998-11-19 | Artemio Granzotto | Stethoscope head |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| AU2021107209A4 (en) * | 2020-11-13 | 2021-12-09 | Stylascope Holdings Pty Ltd | Stethoscope |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB657354A (en) * | 1900-01-01 | |||
| US2095247A (en) * | 1937-10-12 | Stethoscope | ||
| GB619640A (en) * | 1900-01-01 | |||
| US2363686A (en) * | 1943-10-29 | 1944-11-28 | Harry F. Olson | Acoustic Stethoscope |
| US2755880A (en) * | 1953-08-20 | 1956-07-24 | Acoustic devices |
-
0
- FR FR1120278D patent/FR1120278A/fr active Active
- US US2836255D patent/US2836255A/en not_active Expired - Lifetime
- GB GB783945D patent/GB783945A/en active Active
- BE BE534484D patent/BE534484A/xx unknown
-
1955
- 1955-12-17 DE DES46755A patent/DE1049046B/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1998051221A1 (en) * | 1997-05-13 | 1998-11-19 | Artemio Granzotto | Stethoscope head |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1049046B (en) | 1959-01-22 |
| BE534484A (en) | |
| FR1120278A (en) | |
| US2836255A (en) | 1958-05-27 |
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