JPS60116800U - hearing aid - Google Patents
hearing aidInfo
- Publication number
- JPS60116800U JPS60116800U JP448784U JP448784U JPS60116800U JP S60116800 U JPS60116800 U JP S60116800U JP 448784 U JP448784 U JP 448784U JP 448784 U JP448784 U JP 448784U JP S60116800 U JPS60116800 U JP S60116800U
- Authority
- JP
- Japan
- Prior art keywords
- pulse width
- utility
- model registration
- electroacoustic transducer
- hearing aid
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考案による一実施例を示すブロックダイアグ
ラムである。第２図は本考案の説明に用いたタイムチャ
ートである。
符号の説明、Ｍ：収音マイク、Ａ１：前置増幅−器、Ｔ
Ｗ：三角波発生回路、ＣＭＰ：コンバレー・夕、Ａ２：
電力増幅器、Ｓｌ、Ｓ２：切換えスイッチ、ＬＰＦ：低
域フィルタ、ＳＰ二電気音響変換器、ａ：音声信号波、
ｂ二三角波発生回路ＴＷの発振出力波、Ｃ：前記ａとｂ
の重畳波、ＳＬ：コンパレータ（ＣＭＰ）のスライスレ
ベル、ｄ：ＰＷＭ波。FIG. 1 is a block diagram showing one embodiment of the present invention. FIG. 2 is a time chart used to explain the present invention. Explanation of symbols, M: Sound collection microphone, A1: Preamplifier, T
W: Triangular wave generation circuit, CMP: Combaret/Yu, A2:
Power amplifier, Sl, S2: changeover switch, LPF: low-pass filter, SP2 electroacoustic transducer, a: audio signal wave,
b: Oscillation output wave of two triangular wave generation circuit TW, C: above a and b
superimposed wave, SL: comparator (CMP) slice level, d: PWM wave.
Claims (3)
調する手段と、このパルス幅変調された信号により駆動
される、電気音響変換器とで構成したことを特徴とする
補聴器。(1) A hearing aid comprising a sound collection microphone, means for pulse width modulating the collected audio signal, and an electroacoustic transducer driven by the pulse width modulated signal.
幅変調するに適当なレベルまで高める前置増幅器λ１と
、可聴周波数以上に発振周波数が設定された、三角波発
生回路ＴＷと、前記前置増幅器Ａ１の出力と、この三角
波発生回路ＴＷの発振出力を重畳し、この重畳信号を一
定レベルで抽出するコンパレータＣＭＰから成るパルス
幅変調手段と、電気音響変換器ｓｐ及び同駆動用電力増
幅器Ａ２を具備した実用新案登録請求の範囲第１項記載
の補聴器。(2) a preamplifier λ1 that increases the sound signal picked up by the sound collection microphone M to a level suitable for pulse width modulation; a triangular wave generation circuit TW whose oscillation frequency is set above the audible frequency; Pulse width modulation means consisting of a comparator CMP that superimposes the output of the preamplifier A1 and the oscillation output of this triangular wave generation circuit TW and extracts this superimposed signal at a constant level, an electroacoustic transducer sp, and a power amplifier for driving the same. A hearing aid according to claim 1 of the utility model registration claim, which is equipped with A2.
域イルタＬＰＦを介して電気音響変換器ｓｐに供給可能
とした、スイッチＳｌ、Ｓ２を配設した・ 実用新案登
録請求の範囲第１項又は第２項記載の補聴器。(3) Switches Sl and S2 are arranged so that the output of the power amplifier A2 can be supplied to the electroacoustic transducer sp via 1: directly or 2: a low-pass filter LPF. Scope of Utility Model Registration Claim No. 1 Hearing aids according to paragraph 2 or paragraph 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP448784U JPS60116800U (en) | 1984-01-17 | 1984-01-17 | hearing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP448784U JPS60116800U (en) | 1984-01-17 | 1984-01-17 | hearing aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60116800U true JPS60116800U (en) | 1985-08-07 |
Family
ID=30480109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP448784U Pending JPS60116800U (en) | 1984-01-17 | 1984-01-17 | hearing aid |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60116800U (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2017034703A (en) * | 2016-10-05 | 2017-02-09 | 株式会社ファインウェル | Cartilage conduction vibration source module |
| US9980024B2 (en) | 2011-02-25 | 2018-05-22 | Rohm Co., Ltd. | Hearing system and finger ring for the hearing system |
| US10013862B2 (en) | 2014-08-20 | 2018-07-03 | Rohm Co., Ltd. | Watching system, watching detection device, and watching notification device |
| US10075574B2 (en) | 2013-08-23 | 2018-09-11 | Rohm Co., Ltd. | Mobile telephone |
| US10079925B2 (en) | 2012-01-20 | 2018-09-18 | Rohm Co., Ltd. | Mobile telephone |
| US10103766B2 (en) | 2013-10-24 | 2018-10-16 | Rohm Co., Ltd. | Wristband-type handset and wristband-type alerting device |
| US10158947B2 (en) | 2012-01-20 | 2018-12-18 | Rohm Co., Ltd. | Mobile telephone utilizing cartilage conduction |
| US10356231B2 (en) | 2014-12-18 | 2019-07-16 | Finewell Co., Ltd. | Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit |
| US10779075B2 (en) | 2010-12-27 | 2020-09-15 | Finewell Co., Ltd. | Incoming/outgoing-talk unit and incoming-talk unit |
| US10967521B2 (en) | 2015-07-15 | 2021-04-06 | Finewell Co., Ltd. | Robot and robot system |
-
1984
- 1984-01-17 JP JP448784U patent/JPS60116800U/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10779075B2 (en) | 2010-12-27 | 2020-09-15 | Finewell Co., Ltd. | Incoming/outgoing-talk unit and incoming-talk unit |
| US9980024B2 (en) | 2011-02-25 | 2018-05-22 | Rohm Co., Ltd. | Hearing system and finger ring for the hearing system |
| US10079925B2 (en) | 2012-01-20 | 2018-09-18 | Rohm Co., Ltd. | Mobile telephone |
| US10158947B2 (en) | 2012-01-20 | 2018-12-18 | Rohm Co., Ltd. | Mobile telephone utilizing cartilage conduction |
| US10075574B2 (en) | 2013-08-23 | 2018-09-11 | Rohm Co., Ltd. | Mobile telephone |
| US10103766B2 (en) | 2013-10-24 | 2018-10-16 | Rohm Co., Ltd. | Wristband-type handset and wristband-type alerting device |
| US10013862B2 (en) | 2014-08-20 | 2018-07-03 | Rohm Co., Ltd. | Watching system, watching detection device, and watching notification device |
| US10356231B2 (en) | 2014-12-18 | 2019-07-16 | Finewell Co., Ltd. | Cartilage conduction hearing device using an electromagnetic vibration unit, and electromagnetic vibration unit |
| US10967521B2 (en) | 2015-07-15 | 2021-04-06 | Finewell Co., Ltd. | Robot and robot system |
| JP2017034703A (en) * | 2016-10-05 | 2017-02-09 | 株式会社ファインウェル | Cartilage conduction vibration source module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60116800U (en) | hearing aid | |
| JPS62296698A (en) | Parametric speaker | |
| JPS593617U (en) | Amplitude limiting circuit | |
| JPS623598A (en) | Driving method for piezoelectric speaker | |
| JPS60144377U (en) | Sensory sound device | |
| JPS6137688U (en) | acoustic negative feedback device | |
| JPS60167498U (en) | hearing aid | |
| JPH0390117U (en) | ||
| JPS6026604U (en) | video disc modulator | |
| JPS6034097Y2 (en) | analog signal magnetic recording device | |
| JPS59195897U (en) | 3D stereo system | |
| JPS6015635U (en) | Low frequency sound monitoring device | |
| JPS5982300U (en) | Sensory sound device | |
| JPH0326720Y2 (en) | ||
| JPS61107296U (en) | ||
| JPS5930200U (en) | Acoustic vibration transmission device | |
| JPS59187299U (en) | Acoustic vibration unit drive device | |
| JPS6072017U (en) | power amplifier | |
| JPH0582799B2 (en) | ||
| JPS617114U (en) | sound oscillation circuit | |
| JPS5922509U (en) | pulse width modulator | |
| JPS585419U (en) | hearing aids | |
| JPS60181792U (en) | acoustic signal control device | |
| JPS58141633U (en) | pulse width modulation circuit | |
| JPS58142608A (en) | Audio frequency band reproducing system and its device |