FR2262367A1 - Stethoscope type deaf aid with amplifying cone - has rim of cone held against e.g. radio, telescope - Google Patents
Stethoscope type deaf aid with amplifying cone - has rim of cone held against e.g. radio, telescopeInfo
- Publication number
- FR2262367A1 FR2262367A1 FR7405970A FR7405970A FR2262367A1 FR 2262367 A1 FR2262367 A1 FR 2262367A1 FR 7405970 A FR7405970 A FR 7405970A FR 7405970 A FR7405970 A FR 7405970A FR 2262367 A1 FR2262367 A1 FR 2262367A1
- Authority
- FR
- France
- Prior art keywords
- cone
- radio
- held against
- telescope
- rim
- 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
Links
- 206010011878 Deafness Diseases 0.000 title 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F11/00—Methods or devices for treatment of the ears or hearing sense; Non-electric hearing aids; Methods or devices for enabling ear patients to achieve auditory perception through physiological senses other than hearing sense; Protective devices for the ears, carried on the body or in the hand
- A61F11/30—Non-electric hearing aids, e.g. ear trumpets, sound amplifiers or ear-shells
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biomedical Technology (AREA)
- Acoustics & Sound (AREA)
- Biophysics (AREA)
- Otolaryngology (AREA)
- Psychology (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7405970A FR2262367A1 (en) | 1974-02-21 | 1974-02-21 | Stethoscope type deaf aid with amplifying cone - has rim of cone held against e.g. radio, telescope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7405970A FR2262367A1 (en) | 1974-02-21 | 1974-02-21 | Stethoscope type deaf aid with amplifying cone - has rim of cone held against e.g. radio, telescope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2262367A1 true FR2262367A1 (en) | 1975-09-19 |
| FR2262367B3 FR2262367B3 (OSRAM) | 1976-12-03 |
Family
ID=9135277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7405970A Granted FR2262367A1 (en) | 1974-02-21 | 1974-02-21 | Stethoscope type deaf aid with amplifying cone - has rim of cone held against e.g. radio, telescope |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2262367A1 (OSRAM) |
-
1974
- 1974-02-21 FR FR7405970A patent/FR2262367A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2262367B3 (OSRAM) | 1976-12-03 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2389868A (en) | Acoustic Stethoscope | |
| SE7603548L (sv) | Huvudburen icke-elektrisk, akustisk kommunikationsapparat | |
| GB614248A (en) | Improvements in or relating to television and like pick-up tubes | |
| NL7603829A (nl) | Opneembuis met gereduceerde flare. | |
| NL172016C (nl) | Kleurentelevisie-ontvanger met een kleurenbeeldweergeefbuis met compensatie van de thermische vervorming van de kleurselectie-elektrode. | |
| US1845795A (en) | Sheldon joseph | |
| GB973479A (en) | Improvements in hearing aids | |
| US1604753A (en) | Sound-reproducing instrument | |
| FR2357026A1 (fr) | Dispositif d'ecoute et d'amortissement du bruit utilisable pendant le sejour sous un casque seche-cheveux | |
| US1339518A (en) | Attachment to telephones | |
| NL182116C (nl) | Digitaal-analoogomzetter, alsmede een televisie-ontvanger met een afstemschakeling, die de digitaal-analoogomzetter bevat. | |
| GB832113A (en) | Improvements in hearing apparatus | |
| NL166369C (nl) | Televisiesignaaloverdrachtstelsel met zelfinstellende vervormingscorrectie. | |
| US2493174A (en) | Intercommunicating telephone system | |
| JPS51128214A (en) | Receiver | |
| USD199125S (en) | Ear supported telephone operator s headset, or similar article | |
| JPS52145201A (en) | Speaker system with broad band directivity | |
| GB278513A (en) | Improvements relating to gramophones and loud-speakers | |
| US1444494A (en) | Silencer for telephones | |
| NL188828B (nl) | Videoversterkerschakeling en televisie-ontvanger daarvan voorzien. | |
| US1692762A (en) | Loud speaker | |
| NL7500853A (nl) | Werkwijze voor het vooraf instelbaar vasthouden van een afbuigeenheid op de kathodestraalbuis voor een televisieontvanger. | |
| JPS5666998A (en) | Acoustic diaphragm | |
| GB320515A (en) | Improvements in sound reproducing devices | |
| JPS5246792A (en) | Wireless direction detector |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |