FR1375360A - Development of amplifiers for the deaf - Google Patents
Development of amplifiers for the deafInfo
- Publication number
- FR1375360A FR1375360A FR952420A FR952420A FR1375360A FR 1375360 A FR1375360 A FR 1375360A FR 952420 A FR952420 A FR 952420A FR 952420 A FR952420 A FR 952420A FR 1375360 A FR1375360 A FR 1375360A
- Authority
- FR
- France
- Prior art keywords
- deaf
- amplifiers
- development
- 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
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C11/00—Non-optical adjuncts; Attachment thereof
- G02C11/06—Hearing aids
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- General Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- General Physics & Mathematics (AREA)
- Ophthalmology & Optometry (AREA)
- Optics & Photonics (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR952420A FR1375360A (en) | 1963-10-31 | 1963-10-31 | Development of amplifiers for the deaf |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR952420A FR1375360A (en) | 1963-10-31 | 1963-10-31 | Development of amplifiers for the deaf |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1375360A true FR1375360A (en) | 1964-10-16 |
Family
ID=8815622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR952420A Expired FR1375360A (en) | 1963-10-31 | 1963-10-31 | Development of amplifiers for the deaf |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR1375360A (en) |
-
1963
- 1963-10-31 FR FR952420A patent/FR1375360A/en not_active Expired
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