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Sonometer

An audiometer and hearing technology, applied in the field of audiometer, can solve undocumented problems

Inactive Publication Date: 2013-09-11
RION COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Also, Patent Document 1 does not describe what kind of warning is given to the examiner when a loud inspection sound of a constant level or higher is presented to the examinee.

Method used

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Examples

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Embodiment Construction

[0018] Embodiments of the present invention will be described below based on the drawings. The audiometer involved in the present invention is as figure 1 As shown, the audiometer main body 1 is electrically connected to the air conduction earphone 2 and the response switch 3 through cables 4 and 5 . Furthermore, the audiometer main body 1 includes an operation panel unit 6 and a liquid crystal display unit 7 . Also, 8 is a power cord.

[0019] An output level display unit (not shown) is provided in the audiometer main body 1, and the output level display unit switches the background color of the background at a predetermined position on the screen of the liquid crystal display unit 7 according to the output level being presented, or displays the The background color of the audiogram on the liquid crystal display unit 7 is displayed in different colors in advance according to the output level range, or the display color of the position where the output level is displayed is...

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Abstract

The invention provides a sonometer capable of visually and intuitively transmitting information about the output grade of an inspection sound to an inspector. The sonometer used for determining the hearing grade of a testee is provided with an output grade display unit used for displaying the information about the output grade of the inspection sound through changes of background colors. The output grade display unit displays the different background colors of a background (1) of an audiogram in a picture (10) of a liquid display part (7) according to output grade ranges in advance. For example, the background color is white when the output grade is within the range (14) lower than 80 dB; the background color is yellow when the output grade is within the range (15) from 80 dB to 100 dB; and the background color is red when the output grade is within the range (16) higher than 100 dB.

Description

technical field [0001] The present invention relates to an audiometer that presents a test sound to a subject and measures the hearing level of the subject based on the response of the subject. Background technique [0002] When measuring the hearing level of a subject using an audiometer, it is necessary to avoid presenting an excessively loud check sound to the subject. Therefore, it is necessary for the examiner to always check the output level of the inspection sound presented to the subject, and to perform the inspection while taking care not to present an excessively loud sound. In the case of an audiometer used for general medical examinations, etc., the output level of the test sound presented to the subject is confirmed by the indication value of the output level regulator of the operation part and the level display, and the size of the output level is determined by reading Take the value to judge. [0003] In addition, in an audiometer equipped with a monitor for...

Claims

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Application Information

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IPC IPC(8): A61B5/12
Inventor 渡边直人中岛龙一
Owner RION COMPANY
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