GB769524A - Improvements in or relating to hearing aids - Google Patents
Improvements in or relating to hearing aidsInfo
- Publication number
- GB769524A GB769524A GB1064752A GB1064752A GB769524A GB 769524 A GB769524 A GB 769524A GB 1064752 A GB1064752 A GB 1064752A GB 1064752 A GB1064752 A GB 1064752A GB 769524 A GB769524 A GB 769524A
- Authority
- GB
- United Kingdom
- Prior art keywords
- microphone
- hearing
- aid
- hearing aids
- relating
- 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
- H04R25/40—Arrangements for obtaining a desired directivity characteristic
- H04R25/402—Arrangements for obtaining a desired directivity characteristic using contructional means
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/34—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
- H04R1/342—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means for microphones
Landscapes
- Health & Medical Sciences (AREA)
- Otolaryngology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- General Health & Medical Sciences (AREA)
- Neurosurgery (AREA)
- Telephone Set Structure (AREA)
Abstract
769,524. Hearing aids. DENT, Ltd., R. H., and HOYLES, L. April 21, 1953 [April 28, 1952], No. 10647/52. Class 40 (4). A pocket hearing- aid is provided with a microphone aperture in the top end face. The microphone may be inclined to the normally vertical faces. An aperture in the top one of the hearing-aid case 10 is covered by a grille 13. The microphone 12 is carried by a rubber mounting 14 provided with vertical holes connecting the microphone and the grille. The hearing-aid carries a clip 11.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1064752A GB769524A (en) | 1952-04-28 | 1952-04-28 | Improvements in or relating to hearing aids |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB1064752A GB769524A (en) | 1952-04-28 | 1952-04-28 | Improvements in or relating to hearing aids |
Publications (1)
Publication Number | Publication Date |
---|---|
GB769524A true GB769524A (en) | 1957-03-06 |
Family
ID=9971698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB1064752A Expired GB769524A (en) | 1952-04-28 | 1952-04-28 | Improvements in or relating to hearing aids |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB769524A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1119918B (en) * | 1958-12-18 | 1961-12-21 | Danavox As | Microphone suspension arrangement for hearing aids, especially for hearing glasses |
-
1952
- 1952-04-28 GB GB1064752A patent/GB769524A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1119918B (en) * | 1958-12-18 | 1961-12-21 | Danavox As | Microphone suspension arrangement for hearing aids, especially for hearing glasses |
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