BE474741A - - Google Patents
Info
- Publication number
- BE474741A BE474741A BE474741DA BE474741A BE 474741 A BE474741 A BE 474741A BE 474741D A BE474741D A BE 474741DA BE 474741 A BE474741 A BE 474741A
- Authority
- BE
- Belgium
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R25/00—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception
- H04R25/04—Deaf-aid sets, i.e. electro-acoustic or electro-mechanical hearing aids; Electric tinnitus maskers providing an auditory perception comprising pocket amplifiers
Landscapes
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Battery Mounting, Suspending (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US686178A US2495476A (en) | 1946-07-25 | 1946-07-25 | Wearable electronic hearing aid having a unitary casing for the batteries and the amplifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE474741A true BE474741A (en) |
Family
ID=24755238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE474741D BE474741A (en) | 1946-07-25 |
Country Status (3)
| Country | Link |
|---|---|
| US (1) | US2495476A (en) |
| BE (1) | BE474741A (en) |
| FR (1) | FR950134A (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2761018A (en) * | 1949-03-02 | 1956-08-28 | Paravox Inc | Hearing aid having a molded chassis |
| US2589071A (en) * | 1950-03-18 | 1952-03-11 | Western Electric Co | Battery holder |
| US2696527A (en) * | 1950-04-21 | 1954-12-07 | Maico Company Inc | Hearing aid construction |
| US2886623A (en) * | 1954-03-24 | 1959-05-12 | Dictograph Products Co Inc | Battery assembly for hearing aids |
| DE19829637C2 (en) * | 1998-07-02 | 2000-10-19 | Implex Hear Tech Ag | Medical implant |
| WO2008128300A1 (en) * | 2007-04-23 | 2008-10-30 | Cochlear Limited | Implant assembly |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US675390A (en) * | 1900-12-08 | 1901-06-04 | R M Keating Motor Company | Battery-casing for motor-bicycles. |
| US1647141A (en) * | 1926-12-10 | 1927-11-01 | Meyer William | Battery case |
| US2109189A (en) * | 1937-04-26 | 1938-02-22 | Bly Merwyn | Electrical testing and detecting apparatus |
| US2176671A (en) * | 1938-11-09 | 1939-10-17 | Aurex Corp | A and b battery combination |
| US2308270A (en) * | 1940-04-19 | 1943-01-12 | Aurex Corp | "a" and "b" battery unit |
| US2300617A (en) * | 1941-01-27 | 1942-11-03 | Daniel J Crowley | Radio receiving set |
| US2333028A (en) * | 1941-05-16 | 1943-10-26 | Mears Radio Hearing Device Cor | Battery pack |
| US2409481A (en) * | 1941-06-26 | 1946-10-15 | Thomas B Fordham | Combined hearing aid and radio receiving set |
| US2424422A (en) * | 1943-06-12 | 1947-07-22 | Paraphone Hearing Aid Inc | Hearing aid apparatus |
-
0
- BE BE474741D patent/BE474741A/xx unknown
-
1946
- 1946-07-25 US US686178A patent/US2495476A/en not_active Expired - Lifetime
-
1947
- 1947-07-25 FR FR950134D patent/FR950134A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR950134A (en) | 1949-09-19 |
| US2495476A (en) | 1950-01-24 |