FR803291A - Appareil permettant d'améliorer l'audition - Google Patents
Appareil permettant d'améliorer l'auditionInfo
- Publication number
- FR803291A FR803291A FR803291DA FR803291A FR 803291 A FR803291 A FR 803291A FR 803291D A FR803291D A FR 803291DA FR 803291 A FR803291 A FR 803291A
- Authority
- FR
- France
- Prior art keywords
- improve hearing
- hearing
- improve
- 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
-
- 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
- H04R25/65—Housing parts, e.g. shells, tips or moulds, or their manufacture
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR803291T | 1936-03-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR803291A true FR803291A (fr) | 1936-09-26 |
Family
ID=9250059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR803291D Expired FR803291A (fr) | 1936-03-11 | 1936-03-11 | Appareil permettant d'améliorer l'audition |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR803291A (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2544027A (en) * | 1948-07-16 | 1951-03-06 | Raymond E King | Hearing aid attachment for use on french type telephones |
DE1042651B (de) * | 1956-01-10 | 1958-11-06 | Wendton Werner Wendt K G | Elektrisches Hoergeraet |
DE1130473B (de) * | 1956-10-10 | 1962-05-30 | Sonotone Corp | Elektroakustisches Hoergeraet |
-
1936
- 1936-03-11 FR FR803291D patent/FR803291A/fr not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2544027A (en) * | 1948-07-16 | 1951-03-06 | Raymond E King | Hearing aid attachment for use on french type telephones |
DE1042651B (de) * | 1956-01-10 | 1958-11-06 | Wendton Werner Wendt K G | Elektrisches Hoergeraet |
DE1130473B (de) * | 1956-10-10 | 1962-05-30 | Sonotone Corp | Elektroakustisches Hoergeraet |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR754838A (fr) | Appareil à aider, ou améliorer, l'audition | |
FR814881A (fr) | Appareil de massage | |
FR803291A (fr) | Appareil permettant d'améliorer l'audition | |
FR814118A (fr) | Appareil d'inhalation | |
FR792347A (fr) | Appareil trieur d'huîtres | |
FR813603A (fr) | Appareil de massage | |
FR47673E (fr) | Appareil de manutention | |
FR814487A (fr) | Appareil lumineux portatif | |
FR828097A (fr) | Appareil permettant d'effectuer la rééducation des muscles | |
FR812946A (fr) | Appareil amplificateur de lumière | |
FR822853A (fr) | Appareil de campement | |
FR731359A (fr) | Appareil d'agrandissement | |
FR821569A (fr) | Appareil sonore d'utilité publique | |
FR764497A (fr) | Nouvel appareil d'électroculture | |
FR759785A (fr) | Appareil d'extraction continue | |
FR811915A (fr) | Appareil de graissage | |
FR824674A (fr) | Appareil de sauvetage | |
FR812631A (fr) | Appareil de transmission | |
FR822081A (fr) | Appareil de transmission | |
FR802836A (fr) | Appareil d'écoute | |
FR826968A (fr) | Appareil broyeur | |
FR805381A (fr) | Appareil fumivore | |
FR803572A (fr) | Appareil destiné à faciliter l'enseignement | |
FR802459A (fr) | Appareil d'hygiène | |
FR809392A (fr) | Appareil de publicité |