Telephone receiver for glasses-type bone conduction hearing aid |
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| 申请号 | JP8429180 | 申请日 | 1980-06-20 | 公开(公告)号 | JPS5710114A | 公开(公告)日 | 1982-01-19 |
| 申请人 | Matsushita Electric Ind Co Ltd; | 发明人 | YAMADA YOSHINORI; | ||||
| 摘要 | PURPOSE:To realize a quick control and fixing of a hearing aid while a hard-of- hearing person wears the aid, by fixing a joint capable of controlling the angle of the vibration diaphragm to the ear adaptor with a hot-melt adhesive. CONSTITUTION:A control is carried out between a vibration diaphragm 23 and an ear adaptor 19 that conveys the vibration to a mastoid process centering on a resin heater 20 that serves both as a variable joint. When the control is over, the current is allowed to flow to the heater 20 from a conducting terminal 22 to generate heat. This heat dissolves a hot-melt adhesive 21, and the adhesive is cured by the natural cooling due to the discontinuation of electric conduction. Thus the ear adaptor 19, the heater 20 and the diaphragm 23 can be fixed with the prescribed relation of their positions. For the heater 20, a self-temperature control type heater that has no overheat beyond a certain temperature is used preferably since the resistance increases suddenly at a temperature higher than a certain level to give a limitation to the current. | ||||||
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| 说明书全文 | |||||||
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