CN1265769A - 电喇叭稳频发声的控制方法及装置 - Google Patents

电喇叭稳频发声的控制方法及装置 Download PDF

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Publication number
CN1265769A
CN1265769A CN98807769A CN98807769A CN1265769A CN 1265769 A CN1265769 A CN 1265769A CN 98807769 A CN98807769 A CN 98807769A CN 98807769 A CN98807769 A CN 98807769A CN 1265769 A CN1265769 A CN 1265769A
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Prior art keywords
frequency
loudspeaker
signal
horn
dutycycle
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CN98807769A
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CN1078726C (zh
Inventor
万喻
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Harbin Wanyu Technology Co., Ltd.
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万喻
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00—Arrangement or adaptation of acoustic signal devices
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Amplifiers (AREA)

Abstract

由单片机实现并构成的控制电喇叭稳频发声的方法及装置。特征是:稳频振荡器输出的频率脉冲用单片机按每只喇叭的固有谐振频率进行校正(精度可达±0.05Hz),这样喇叭在电子驱动信号驱动下可在最佳的状态工作,驱动信号的占空比可根据不同喇叭的发音特点在1～99%范围内任意调节。解决了有触点喇叭及现有各种电子喇叭受机车电压或环境温度影响而导致的喇叭变音和声级下降缺点。也可作为频率及脉宽可调的信号源使用。

Description

PCT国内申请，说明书已公开。

Claims (1)

  1. PCT国内申请，权利要求书已公开。
CN98807769A 1997-07-29 1998-07-28 电喇叭稳频发声的控制方法及装置 Expired - Lifetime CN1078726C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN97112878A CN1170896A (zh) 1997-07-29 1997-07-29 一种单片机控制发声稳频电喇叭的方法及装置
CN97112878.2 1997-07-29

Publications (2)

Publication Number Publication Date
CN1265769A true CN1265769A (zh) 2000-09-06
CN1078726C CN1078726C (zh) 2002-01-30

Family

ID=5172533

Family Applications (2)

Application Number Title Priority Date Filing Date
CN97112878A Pending CN1170896A (zh) 1997-07-29 1997-07-29 一种单片机控制发声稳频电喇叭的方法及装置
CN98807769A Expired - Lifetime CN1078726C (zh) 1997-07-29 1998-07-28 电喇叭稳频发声的控制方法及装置

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CN97112878A Pending CN1170896A (zh) 1997-07-29 1997-07-29 一种单片机控制发声稳频电喇叭的方法及装置

Country Status (8)

Country Link
US (1) US6456193B1 (zh)
EP (1) EP0999539B1 (zh)
JP (1) JP2001512254A (zh)
KR (1) KR100525806B1 (zh)
CN (2) CN1170896A (zh)
AU (1) AU8527998A (zh)
DE (1) DE69841887D1 (zh)
WO (1) WO1999006989A1 (zh)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101980335A (zh) * 2010-09-30 2011-02-23 曹志才 电喇叭智能控制方法及装置
CN102291666A (zh) * 2010-06-17 2011-12-21 湖北三环汽车电器有限公司 一种汽车有触点喇叭调制方法及设备
CN108028041A (zh) * 2016-03-25 2018-05-11 马自达汽车株式会社 喇叭的共鸣管
CN112735366A (zh) * 2020-12-24 2021-04-30 青岛鼎信通讯消防安全有限公司 用于火灾自动报警系统的pwm变频驱声装置及设计方法

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1825429A (zh) * 2005-12-30 2006-08-30 哈尔滨工业大学固泰电子有限责任公司 一种自适应智能电子喇叭
KR101204766B1 (ko) * 2006-02-13 2012-11-26 완유 캐패시턴스에 의해 전자 경음기의 구동 신호 주파수를 조절하는 방법 및 회로
KR100787097B1 (ko) * 2006-06-09 2007-12-21 관동대학교산학협력단 음파 집어기
US20080267428A1 (en) * 2007-04-24 2008-10-30 Magna International Inc. Digital audio horn
DE102009008748A1 (de) * 2009-02-13 2010-08-26 Volkswagen Ag Verfahren zur Bestimmung einer Resonanzfrequenz einer Tonerzeugungseinrichtung und Verfahren zur Ansteuerung einer Tonerzeugungseinrichtung sowie entsprechend ausgestaltete Ansteuervorrichtung und entsprechend ausgestaltete Tonerzeugungseinrichtung
CN101556466B (zh) * 2009-05-08 2012-09-26 湖北省自动化研究所股份有限公司 机动车电喇叭固有频率自动寻找固定方法
CN101934758B (zh) * 2010-09-30 2012-10-03 曹志才 电喇叭初级稳声压级控制方法
CN103187048A (zh) * 2011-12-29 2013-07-03 湖北三环汽车电器有限公司 一种数控汽车电喇叭的装置
CN103500574B (zh) * 2012-08-16 2017-06-27 万喻 一种智能电子喇叭及其实现方法
RU2544865C2 (ru) * 2013-08-01 2015-03-20 Александр Витальевич Вострухин Микроконтроллерный ультразвуковой генератор для систем передачи информации
CA2947244C (en) 2014-05-01 2021-04-13 Sanjiv Patel Electronic contactless horn and sound device
JP6250503B2 (ja) * 2014-09-05 2017-12-20 ユー・ワン コンデンサで電子ホーンの駆動信号周波数を調整する方法及び回路

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR900003594B1 (ko) 1985-01-07 1990-05-26 니홍덴소 가부시기 가이샤 경보음 발생장치
US4687962A (en) * 1986-12-15 1987-08-18 Baxter Travenol Laboratories, Inc. Ultrasonic horn driving apparatus and method with active frequency tracking
EP0278140A1 (en) * 1987-02-12 1988-08-17 Hewlett-Packard Limited Clock signal generation
US5266921A (en) 1992-01-30 1993-11-30 Sparton Corporation Method and apparatus for adjusting vehicle horns
US5414406A (en) * 1992-04-21 1995-05-09 Sparton Corporation Self-tuning vehicle horn
EP0648364A1 (en) * 1993-04-30 1995-04-19 Federal Signal Corporation Tone generating circuit
US5422602A (en) * 1994-06-20 1995-06-06 Aphex Systems, Ltd. Frequency discriminate leveler
US5757305A (en) * 1994-07-29 1998-05-26 Dimango Products Transmitter for wireless audible indication system
CN1152159A (zh) 1995-12-14 1997-06-18 蒋华东 数字式多音调无触点汽车用电子喇叭

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102291666A (zh) * 2010-06-17 2011-12-21 湖北三环汽车电器有限公司 一种汽车有触点喇叭调制方法及设备
CN102291666B (zh) * 2010-06-17 2014-05-07 湖北三环汽车电器有限公司 一种汽车有触点喇叭调制方法及设备
CN101980335A (zh) * 2010-09-30 2011-02-23 曹志才 电喇叭智能控制方法及装置
CN101980335B (zh) * 2010-09-30 2013-04-10 曹志才 电喇叭智能控制方法
CN108028041A (zh) * 2016-03-25 2018-05-11 马自达汽车株式会社 喇叭的共鸣管
CN112735366A (zh) * 2020-12-24 2021-04-30 青岛鼎信通讯消防安全有限公司 用于火灾自动报警系统的pwm变频驱声装置及设计方法

Also Published As

Publication number Publication date
EP0999539A1 (en) 2000-05-10
WO1999006989A1 (fr) 1999-02-11
CN1170896A (zh) 1998-01-21
DE69841887D1 (de) 2010-10-21
US6456193B1 (en) 2002-09-24
KR20010022448A (ko) 2001-03-15
AU8527998A (en) 1999-02-22
JP2001512254A (ja) 2001-08-21
CN1078726C (zh) 2002-01-30
KR100525806B1 (ko) 2005-11-03
EP0999539A4 (en) 2005-02-02
EP0999539B1 (en) 2010-09-08

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Owner name: HARBIN WANYU TECHNOLOGY CO.,LTD.

Free format text: FORMER OWNER: WAN YU

Effective date: 20070817

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Effective date of registration: 20070817

Address after: 150060 No. 165 Gan Gan Road, Nangang District, Heilongjiang, Harbin, China

Patentee after: Harbin Wanyu Technology Co., Ltd.

Address before: Building No. 1, Jiangxi hi tech Development Zone, Harbin, Heilongjiang, China

Patentee before: Wan Yu

CX01 Expiry of patent term

Granted publication date: 20020130

CX01 Expiry of patent term