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2. 发明授权

US06358216B1 Apparatus for taking measurements in the ear 失效
标题翻译：用于在耳朵中进行测量的装置
公开(公告)号：US06358216B1
公开(公告)日：2002-03-19
申请号：US09335141
申请日：1999-06-17
申请人： Bernhard Kraus , Elke Kahler , Alexander Klös , Horst Mannebach
发明人： Bernhard Kraus , Elke Kahler , Alexander Klös , Horst Mannebach
IPC分类号： A61B500
CPC分类号： G01J5/04 , A61B5/01 , A61B5/6844 , A61B5/6886 , G01J5/02 , G01J5/025 , G01J5/026 , G01J5/0275 , G01J5/049 , G01J5/08 , G01J5/0818 , G01J5/089 , G01J5/0896
摘要： The invention is directed to an apparatus for taking measurements in the ear, having a positioning aid enabling a probe head (10) of the apparatus to be properly aligned in a user's auditory canal (12). The apparatus of the present invention comprises a source of radiation (24) emitting energy particularly in the visible region, a photodetector (30) suitable for sensing this radiation, and an associated evaluation unit and, where applicable, an indicating unit for representing the alignment of the probe head in the auditory canal (12). This canal receives the radiation from the radiation source (24), with part of the radiation being scattered back into the probe head (10) and sensed by the photodetector (30). In this arrangement, the radiant power sensed is dependent on the mean distance between the reflecting tissue and the probe head (10), with a minimum radiant power corresponding to a correct alignment of the probe head (10) to the rear auditory canal (12) and hence to the tympanic membrane (38). The output signal of the photodetector (30) preferably controls the frequency and/or volume of an audible signal informing the user of the optimal alignment of the probe head (10), so that the repeat accuracy of the measurement results is improved.
摘要翻译：本发明涉及一种用于在耳朵中进行测量的装置，具有使装置的探针头（10）能够在使用者的耳道（12）中正确对准的定位辅助装置。本发明的装置包括特别是在可见光区域发射能量的辐射源（24），适于感测该辐射的光电检测器（30），以及相关联的评估单元，以及适用的用于表示对准的指示单元的探头在耳道（12）中。该运河接收来自辐射源（24）的辐射，其中一部分辐射被散射回探头（10）并由光电检测器（30）感测。在这种布置中，感测的辐射功率取决于反射组织和探头（10）之间的平均距离，其中最小辐射功率对应于探头（10）与后耳道（12）的正确对准）并因此到鼓膜（38）。光检测器（30）的输出信号优选地控制声音信号的频率和/或音量，通知用户探头（10）的最佳对准，从而提高了测量结果的重复精度。

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