CN103284729A

CN103284729A - Sonometer

Info

Publication number: CN103284729A
Application number: CN2013100614297A
Authority: CN
Inventors: 渡边直人; 中岛龙一
Original assignee: RIOTO CO Ltd
Current assignee: RIOTO CO Ltd
Priority date: 2012-02-28
Filing date: 2013-02-27
Publication date: 2013-09-11
Also published as: JP2013176413A; JP5037735B1

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

Sonometer

Technical field

The present invention relates to a kind ofly point out the inspection sound to the examinee, and measure the sonometer of examinee's audition grade based on examinee's response.

Background technology

When using sonometer to measure examinee's audition grade, must avoid pointing out excessively big inspection sound to the examinee.Therefore, need the examiner to confirm output level to the inspection sound of examinee prompting all the time, while and note not pointing out excessive sound to check.Under the situation that is general employed sonometers such as Gernral Check-up, the output level that is prompted to examinee's inspection sound confirms that by indicated value, the grade display of the output level adjustor of operating portion the size of output level is judged by reading numerical values.

In addition, the sonometer of the monitor that is used for showing audiogram etc. is being installed, except the grade of the output level that checks sound shows, is also being confirmed to check the output level of sound from being presented at audiogram reading numerical values on the monitor (liquid crystal display).

In addition, put down in writing a kind of following technology in the patent documentation 1, namely, point out the inspection sound in the operation based on the examiner to the examinee, and will describe successively to carry out in the hearing test device of hearing test on one side in display frame on one side as audiogram based on the check result of the output signal of the operated responding to switch of examinee, when pressing and not pressing responding to switch, the background colour of the display frame that shows audiogram is changed.

Patent documentation 1: TOHKEMY 2002-153447 communique

But, in sonometer in the past, need read the numerical value of audition grade that the output level that will be prompted to examinee's inspection sound is assigned to the longitudinal axis of the shown audiogram of indicated value, grade display or monitor at the output level adjustor, and judge that whether it is excessive big inspection sound concerning the examinee.

In the sonometer that does not show audiogram, the examiner need watch the indicated value of output level adjustor all the time attentively.In addition, in the sonometer with the function that can show audiogram, examiner's sight line mostly the symbol on audiogram (indication in checking frequency and the labelling of output level), in order to confirm output level, and must make sight line move to the indicated value etc. of output level adjustor.

In addition, put down in writing in the patent documentation 1 when pressing and not pressing responding to switch, all make the technology of the background colour variation of the display frame that shows audiogram, but in order to confirm to check the output level of sound, need read the numerical value of the audition grade of the longitudinal axis that is assigned to audiogram.And, be not documented in the patent documentation 1 examinee is pointed out under the situation of the bigger inspection sound more than the constant level, which type of warning the examiner is carried out.

Summary of the invention

The present invention finishes in view of such problem points that in the past technology has, its purpose be to provide a kind of can be visually and pass on the sonometer of the output level that checks sound intuitively to the examiner.

In order to solve above-mentioned problem, the related invention of technical scheme 1 is as follows, namely, in the sonometer of the audition grade of measuring the examinee, the output level display unit is set, this output level display unit is with the background colour of picture or show that colour specification checks the information of the output level of sound, the background colour of being represented by this output level display unit or show that color changes according to the output level scope that checks sound.

The output level display unit can come the background colour of background of the assigned position of image switching according to the output level in the prompting.In addition, the output level display unit also can show by the output level scope background colour of the background of audiogram in advance with different colours.And the output level display unit can make the demonstration complexion changedization of the position that shows output level according to the output level in the prompting.

According to the present invention, not with the message that arouses attention based on literal, but represent to point out bigger this situation of inspection sound more than the constant level to the examinee with background colour or the variation that shows color, thereby can be visually and convey to the examiner intuitively, thereby the examiner can concentrate the information that checks the output level that obtains to check sound always.In addition, background colour or the demonstration color represented by the output level display unit change according to the output level scope that checks sound, so the examiner can identify bigger this situation of inspection sound of prompting in advance, avoid the examinee is carried out the prompting than the thorough examination sound more than the constant level.

Description of drawings

Fig. 1 is the axonometric chart of sonometer involved in the present invention.

Fig. 2 is the picture of liquid crystal display part that possesses the Presentation Function of audiogram.

Fig. 3 is the picture that by the output level scope background colour of audiogram is divided into the liquid crystal display part under the situation of different colours in advance.

Symbol description

1 ... the sonometer main body, 2 ... the conductance earphone, 3 ... the response switch, 6 ... the operating surface board, 6a ... the frequency change-over switch, 6b ... output level variable full scale dish, 6c ... audition grade input switch, 6d ... check the sound warning light, 7 ... liquid crystal display part, 10 ... picture, 10a ... the frame line, 10b ... ordinate, 10c ... horizontal line, 11 ... the background of audiogram, 12 ... the zone of audiogram periphery, 14,15,16 ... the scope of output level.

The specific embodiment

Below, based on accompanying drawing embodiments of the present invention are described.Sonometer involved in the present invention as shown in Figure 1, sonometer main body 1 by each

cable

4,5 with conductance earphone 2, respond and be electrically connected with switch 3.And, possess operating surface board 6 and liquid crystal display part 7 in sonometer main body 1.In addition, the 8th, power line.

Be provided with output level display unit (not shown) in sonometer main body 1, this output level display unit comes the background colour of background of assigned position of picture of switchable liquid crystal display part 7 or the background colour that will be presented at the audiogram of liquid crystal display part 7 shows or make according to the output level in the prompting position that shows output level in advance with different colours by the output level scope demonstration complexion changedization by the output level in the prompting.

The inspection sound warning light 6d that be provided with a plurality of frequency change-over switch 6a, the rotary output level variable full scale dish 6b that switches the output level that checks sound that switches the frequency that checks sound, the audition grade input switch 6c that obtains examinee's audition grade at operating surface board 6, lights when prompting checks sound etc.

Frequency change-over switch 6a is provided with the number corresponding with the inspection sound of a plurality of frequencies such as 125Hz, 250Hz, 500Hz, 1000Hz, 2000Hz, 4000Hz, 8000Hz.And, if therefrom selected the frequency change-over switch 6a of desirable frequency, then can be from the inspection sound of conductance earphone 2 these frequencies of output.

Output level variable full scale dish 6b is by rotating, and can make from the output level of the inspection sound of conductance earphone 2 outputs and click increase and decrease 5dB by each.And those who are investigated operate output level variable full scale dish 6b with the examinee's of switch 3 having or not of response according to the response of passing through at the inspection sound of pointing out via conductance earphone 2.

As shown in Figure 2, liquid crystal display part 7 is that frequency [Hz], the longitudinal axis are that the picture 10 of audition grade [dB] is described the frame line 10a of square shape at transverse axis, and describes to represent a plurality of ordinate 10b of size of frequency and a plurality of horizontal line 10c of expression output level in this frame line 10a.

And, check that sound is prompted to the examinee, the examiner utilizes sign (symbol) 10d audition grade to each frequency on ordinate 10b to chart by operation frequency change-over switch 6a and output level variable full scale dish 6b at picture 10, makes audiogram and shows.

Under the situation of implementing hearing test, at first make the examinee wear conductance earphone 2, become and to operate the state that switch 3 is used in response, the examiner for example selects the frequency change-over switch 6a of 1000Hz, rotates output level variable full scale dish 6b and will check that the output level of sound is set at the 10dB(conductance less than 80dB: the right side).

In addition, can also replace switching the background colour of the background 11 of audiogram, zone (outside of the frame line 10a of square shape) 12 the demonstration color of audiogram periphery shown in Figure 2 is switched to the size of output level.For the demonstration color in the zone 12 of audiogram periphery, for example, be to be white under less than the situation of 80dB at output level, output level be less than under the situation of 80dB～100dB for yellow, output level is for red under the above situation of 100dB.

In addition, as shown in Figure 3, can also replace switching the background colour of the background 11 of audiogram, the background colour of the background 11 of audiogram is shown with different colours by the scope of output level in advance.For the background colour of the background 11 of audiogram, for example, can output level be white in the scope 14 less than 80dB, output level be yellow in the scope 15 less than 80dB～100dB, is redness in the scope 16 of output level more than 100dB.If the examiner observes the background colour of the position that sign (symbol) 10d is positioned at, then can easily identify the state of output level.

About not showing the sonometer of audiogram, can come to show that with difference color is lighted the position (for example, checking sound warning light 6d) that shows output level according to the output level scope that checks sound.

Like this, not with the message that arouses attention based on literal, but with the position of the background colour of the background 11 that shows audiogram or output level (for example, check sound warning light 6d) the variation of demonstration color represent size to the output level of the inspection sound of examinee's prompting, thus can be visually and convey to the examiner intuitively.

According to the present invention, can provide visually a kind of and will check that with the variation of the demonstration color of the state of the expression background colour of audiogram or output level the size of the output level of sound conveys to the examiner intuitively, can reduce the sonometer of preferable operability of examiner's burden.

Claims

1. a sonometer is the sonometer of measuring examinee's audition grade, it is characterized in that,

Be provided with the output level display unit, this output level display unit is with the background colour of picture or show that colour specification checks the information of the output level of sound, the background colour of being represented by this output level display unit or show that color changes according to the output level scope that checks sound.

2. sonometer according to claim 1 is characterized in that,

Described output level display unit comes the background colour of background of the assigned position of image switching according to the output level in the prompting.

3. sonometer according to claim 1 is characterized in that,

Described output level display unit shows by the output level scope background colour of the background of audiogram in advance with different colours.

4. sonometer according to claim 1 is characterized in that,

Described output level display unit makes the demonstration complexion changedization of the position that shows output level according to the output level in the prompting.