| (19) |
 |
|
(11) |
EP 0 993 232 A3 |
| (12) |
EUROPEAN PATENT APPLICATION |
| (88) |
Date of publication A3: |
|
25.06.2003 Bulletin 2003/26 |
| (43) |
Date of publication A2: |
|
12.04.2000 Bulletin 2000/15 |
| (22) |
Date of filing: 29.09.1999 |
|
|
| (84) |
Designated Contracting States: |
|
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE |
|
Designated Extension States: |
|
AL LT LV MK RO SI |
| (30) |
Priority: |
06.10.1998 GR 10000360
|
| (71) |
Applicant: Pierroutsakos, Dimitrios |
|
11362 Athens (GR) |
|
| (72) |
Inventor: |
|
- Pierroutsakos, Dimitrios
11362 Athens (GR)
|
|
| |
|
| (54) |
Device for amelioration of the quality of hearing |
(57) This is referred to patients with partial or total loss of hearing of the one ear
and somehow good or excellent condition of the other ear.
The essential difference from the ordinary dullness earphones of optic glasses type,
or any other type or system, is the addition of a second microphone in the altitude
of the ear with necrosis.
By the use of this device the patient may perceive low intensity sounds even whistles
as well as the sound of a telephone earphone from the side and close to the ear with
necrosis.
This device consists of:
- 1. Microphone: mini condensing microphone (ordinary)
- 2. Pre-amplifier of acoustic frequencies (ordinary)
- 3. Earphone: (or sound vibrations system for incitement through the cranial bones,
of the acoustic nerve), for the healthy ear (ordinary).
- 4. Batteries and switch on-off (ordinary)
- 5. Adjuster for voice volume (ordinary).