JPH0480199U - - Google Patents
Info
- Publication number
- JPH0480199U JPH0480199U JP12483790U JP12483790U JPH0480199U JP H0480199 U JPH0480199 U JP H0480199U JP 12483790 U JP12483790 U JP 12483790U JP 12483790 U JP12483790 U JP 12483790U JP H0480199 U JPH0480199 U JP H0480199U
- Authority
- JP
- Japan
- Prior art keywords
- electroacoustic transducer
- drives
- voltage
- device characterized
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 230000035945 sensitivity Effects 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 5
Description
第１図は本考案による電気音響変換器検査装置
のブロツク図、第２図は本考案に係る周波数特性
図、第３図はＩＳＯによる人の聴感度曲線図、第
４図は本考案に係る周波数特性調整器の一例を示
す回路図、第５図は従来の電気音響変換器検査装
置のブロツク図を示す。
１……発振器、２……増幅器、３……被試験用
のスピーカ、４……周波数特性調整器。
Figure 1 is a block diagram of the electroacoustic transducer testing device according to the present invention, Figure 2 is a frequency characteristic diagram according to the present invention, Figure 3 is a human hearing sensitivity curve according to ISO, and Figure 4 is a diagram according to the present invention. A circuit diagram showing an example of a frequency characteristic adjuster, and FIG. 5 shows a block diagram of a conventional electroacoustic transducer testing device. 1... Oscillator, 2... Amplifier, 3... Speaker under test, 4... Frequency characteristic adjuster.
Claims (1)
音響変換器の振動板が音響負荷を取りつけたとき
の状態と同じ振幅になるような周波数特性を持た
せることを特徴とした電気音響変換器検査装置。 (2) 電気音響変換器を駆動する電圧に、低い周
波数では高く、高い周波数に移るに従つて低くな
るような周波数特性を持たせることを特徴とする
電気音響変換器検査装置。 (3) 電気音響変換器を駆動する電圧に、人の聴
感度曲線に合わせた周波数特性を持たせることを
特徴とする電気音響変換器検査装置。[Claims for Utility Model Registration] (1) The voltage that drives the electroacoustic transducer has frequency characteristics such that the diaphragm of the electroacoustic transducer has the same amplitude as when an acoustic load is attached. An electroacoustic transducer inspection device characterized by: (2) An electroacoustic transducer inspection device characterized in that the voltage that drives the electroacoustic transducer has a frequency characteristic that is high at low frequencies and becomes low as the frequency increases. (3) An electroacoustic transducer testing device characterized in that the voltage that drives the electroacoustic transducer has frequency characteristics that match the human hearing sensitivity curve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12483790U JPH0480199U (en) | 1990-11-26 | 1990-11-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12483790U JPH0480199U (en) | 1990-11-26 | 1990-11-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0480199U true JPH0480199U (en) | 1992-07-13 |
Family
ID=31872467
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12483790U Pending JPH0480199U (en) | 1990-11-26 | 1990-11-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0480199U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002330498A (en) * | 2001-04-27 | 2002-11-15 | Pioneer Electronic Corp | Speaker detector |
| JP2013181978A (en) * | 2013-02-15 | 2013-09-12 | Toshiba Corp | Measuring device and measuring method |
-
1990
- 1990-11-26 JP JP12483790U patent/JPH0480199U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002330498A (en) * | 2001-04-27 | 2002-11-15 | Pioneer Electronic Corp | Speaker detector |
| JP2013181978A (en) * | 2013-02-15 | 2013-09-12 | Toshiba Corp | Measuring device and measuring method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH0480199U (en) | ||
| JPH0375694U (en) | ||
| JPS60144377U (en) | Sensory sound device | |
| JPH0417385Y2 (en) | ||
| JP2567660B2 (en) | Pickup microphone circuit for bone conduction audio signals | |
| JPS6388304U (en) | ||
| JPH0369996U (en) | ||
| JPH02123207U (en) | ||
| JPS62191298U (en) | ||
| JPS60184509U (en) | impedance audiometer | |
| JPS6340958Y2 (en) | ||
| JPH02100398U (en) | ||
| JPH0329499A (en) | Static condenser type microphone | |
| JPS58101609U (en) | electronic stethoscope | |
| JPS62143390U (en) | ||
| JPH0221892U (en) | ||
| JPH0467894U (en) | ||
| JPS6037992U (en) | microphone | |
| JPS5936309U (en) | Stethoscope | |
| JPH0323359U (en) | ||
| JPH01126750U (en) | ||
| JPS62117897U (en) | ||
| JPS6372995U (en) | ||
| JPS6035698U (en) | Piezoelectric electroacoustic transducer | |
| JPS5985921U (en) | vibration sensor |