CN112055960A - 一种终端摄像头防护电路 - Google Patents

一种终端摄像头防护电路 Download PDF

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Publication number
CN112055960A
CN112055960A CN201880093075.5A CN201880093075A CN112055960A CN 112055960 A CN112055960 A CN 112055960A CN 201880093075 A CN201880093075 A CN 201880093075A CN 112055960 A CN112055960 A CN 112055960A
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CN
China
Prior art keywords
circuit
protection module
choke
vcm
voice coil
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Application number
CN201880093075.5A
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English (en)
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CN112055960B (zh
Inventor
徐波
王朝
董洁
王毅
孙乔
孙智勇
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Honor Device Co Ltd
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Huawei Technologies Co Ltd
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Publication of CN112055960A publication Critical patent/CN112055960A/zh
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/005—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection avoiding undesired transient conditions
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/115—Via connections; Lands around holes or via connections
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
    • H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
    • H02H9/045—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere
    • H02H9/046—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage adapted to a particular application and not provided for elsewhere responsive to excess voltage appearing at terminals of integrated circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/50—Constructional details
    • H04N23/54—Mounting of pick-up tubes, electronic image sensors, deviation or focusing coils

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Filters And Equalizers (AREA)
  • Amplifiers (AREA)

Abstract

本申请实施例提供了一种终端摄像头的防护电路，用于防护由于静电释放而造成天线灵敏度降低或驱动电路失效的问题。该防护电路包括驱动电路、音圈马达VCM、第一电路和第二电路、第一防护模块、第二防护模块、第三防护模块。第一电路和第二电路为扼流电感或其扼流电路，连接在音圈马达VCM两端，第一防护模块、第二防护模块、第三防护模块连接在电路的其他关键位置。本申请还提供了一种印刷电路PCB，PCB的顶层用于摆放器件，根据设计需要，需要用到PCB的多层进行信号的走线。

Description

PCT国内申请，说明书已公开。

Claims (13)

  1. PCT国内申请，权利要求书已公开。
CN201880093075.5A 2018-05-02 2018-05-15 一种终端摄像头防护电路 Active CN112055960B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
CN2018085366 2018-05-02
CNPCT/CN2018/085366 2018-05-02
PCT/CN2018/086918 WO2019210532A1 (zh) 2018-05-02 2018-05-15 一种终端摄像头防护电路

Publications (2)

Publication Number Publication Date
CN112055960A true CN112055960A (zh) 2020-12-08
CN112055960B CN112055960B (zh) 2022-02-18

Family

ID=68387035

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CN201880093075.5A Active CN112055960B (zh) 2018-05-02 2018-05-15 一种终端摄像头防护电路

Country Status (4)

Country Link
US (1) US11165247B2 (zh)
EP (2) EP3780572B1 (zh)
CN (1) CN112055960B (zh)
WO (1) WO2019210532A1 (zh)

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CN103676415A (zh) * 2012-09-19 2014-03-26 佳能株式会社 成像设备和可更换镜头
CN104348400A (zh) * 2013-07-31 2015-02-11 华为终端有限公司 一种马达驱动电路及移动终端
CN204272243U (zh) * 2014-12-30 2015-04-15 浙江大华技术股份有限公司 一种模拟视频系统
US20150215534A1 (en) * 2011-04-06 2015-07-30 Apple Inc. Driver circuit for a camera voice coil motor
CN105022135A (zh) * 2014-04-16 2015-11-04 三星电机株式会社 用于驱动音圈电机执行器的装置
CN105684283A (zh) * 2013-07-04 2016-06-15 利纳克有限公司 致动器系统
CN105847637A (zh) * 2015-05-29 2016-08-10 维沃移动通信有限公司 一种移动终端及其拍摄装置
CN106331455A (zh) * 2016-09-27 2017-01-11 华为技术有限公司 摄像头组件及终端
CN107707083A (zh) * 2017-09-30 2018-02-16 厦门新鸿洲精密科技有限公司 一种感测音圈马达运动轨迹的结构

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JP6073692B2 (ja) * 2013-01-23 2017-02-01 ルネサスエレクトロニクス株式会社 モータ駆動制御装置およびその動作方法
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KR101859377B1 (ko) * 2015-12-07 2018-05-21 삼성전기주식회사 액추에이터 구동 장치 및 이를 포함하는 카메라 모듈
KR20170139982A (ko) * 2016-06-10 2017-12-20 엘지전자 주식회사 이동 단말기
CN115561947A (zh) * 2016-07-18 2023-01-03 台湾东电化股份有限公司 镜头驱动机构以及具有镜头驱动机构的电子装置
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Patent Citations (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4342013A (en) * 1980-08-25 1982-07-27 Pilgrim Electric Co. Bidirectional power line filter
KR20040034623A (ko) * 2004-01-19 2004-04-28 주식회사항진산업 감쇠된 전자파 노이즈를 갖는 직류 브러쉬 모터
US20070297781A1 (en) * 2006-06-22 2007-12-27 Nikon Corporation Positioning device, shake correcting device and electronics
CN101552882A (zh) * 2008-04-03 2009-10-07 索尼株式会社 电子设备、电子设备调整方法和集成电路
CN101534330A (zh) * 2008-10-15 2009-09-16 闻泰集团有限公司 移动终端摄像头的上电电路
CN101534330B (zh) * 2008-10-15 2011-08-24 闻泰集团有限公司 移动终端摄像头的上电电路
EP2355312A2 (de) * 2010-02-05 2011-08-10 Continental Automotive GmbH Entstöranordnung eines Stellglieds mit einem Elektromotor
CN102457757A (zh) * 2010-10-19 2012-05-16 索尼公司 信号传输装置和显示装置
CN201947125U (zh) * 2011-01-31 2011-08-24 上海法雷奥汽车电机雨刮系统有限公司 一种高抗电磁干扰的汽车雨刮电机电路
US20150215534A1 (en) * 2011-04-06 2015-07-30 Apple Inc. Driver circuit for a camera voice coil motor
CN103676415A (zh) * 2012-09-19 2014-03-26 佳能株式会社 成像设备和可更换镜头
CN105684283A (zh) * 2013-07-04 2016-06-15 利纳克有限公司 致动器系统
CN104348400A (zh) * 2013-07-31 2015-02-11 华为终端有限公司 一种马达驱动电路及移动终端
CN104348400B (zh) * 2013-07-31 2016-12-07 华为终端有限公司 一种马达驱动电路及移动终端
CN105022135A (zh) * 2014-04-16 2015-11-04 三星电机株式会社 用于驱动音圈电机执行器的装置
CN105022135B (zh) * 2014-04-16 2017-12-12 三星电机株式会社 用于驱动音圈电机执行器的装置
CN204272243U (zh) * 2014-12-30 2015-04-15 浙江大华技术股份有限公司 一种模拟视频系统
CN105847637A (zh) * 2015-05-29 2016-08-10 维沃移动通信有限公司 一种移动终端及其拍摄装置
CN106331455A (zh) * 2016-09-27 2017-01-11 华为技术有限公司 摄像头组件及终端
CN107707083A (zh) * 2017-09-30 2018-02-16 厦门新鸿洲精密科技有限公司 一种感测音圈马达运动轨迹的结构

Also Published As

Publication number Publication date
EP4344000A1 (en) 2024-03-27
CN112055960B (zh) 2022-02-18
EP3780572A1 (en) 2021-02-17
WO2019210532A1 (zh) 2019-11-07
US20210167594A1 (en) 2021-06-03
EP3780572A4 (en) 2021-09-22
EP3780572B1 (en) 2023-07-12
US11165247B2 (en) 2021-11-02

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Effective date of registration: 20210423

Address after: Unit 3401, unit a, building 6, Shenye Zhongcheng, No. 8089, Hongli West Road, Donghai community, Xiangmihu street, Futian District, Shenzhen, Guangdong 518040

Applicant after: Honor Device Co.,Ltd.

Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen

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