CN1819715A - 移动电话用双磁极双音圈扬声器及功放控制电路 - Google Patents
移动电话用双磁极双音圈扬声器及功放控制电路 Download PDFInfo
- Publication number
- CN1819715A CN1819715A CN 200510136504 CN200510136504A CN1819715A CN 1819715 A CN1819715 A CN 1819715A CN 200510136504 CN200510136504 CN 200510136504 CN 200510136504 A CN200510136504 A CN 200510136504A CN 1819715 A CN1819715 A CN 1819715A
- Authority
- CN
- China
- Prior art keywords
- coil
- double
- magnetic pole
- mobile phone
- moving
- 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.)
- Granted
Links
Landscapes
- Circuit For Audible Band Transducer (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200510136504 CN1819715B (zh) | 2005-12-29 | 2005-12-29 | 移动电话用双磁极双音圈扬声器及功放控制电路 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200510136504 CN1819715B (zh) | 2005-12-29 | 2005-12-29 | 移动电话用双磁极双音圈扬声器及功放控制电路 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1819715A true CN1819715A (zh) | 2006-08-16 |
CN1819715B CN1819715B (zh) | 2012-10-24 |
Family
ID=36919343
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200510136504 Expired - Fee Related CN1819715B (zh) | 2005-12-29 | 2005-12-29 | 移动电话用双磁极双音圈扬声器及功放控制电路 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1819715B (zh) |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5791098A (en) * | 1980-11-28 | 1982-06-07 | Hitachi Ltd | Dynamic type speaker |
CN1041987C (zh) * | 1994-03-31 | 1999-02-03 | 李代繁 | 电声能量传递转换方法及全频谱电声换能器 |
-
2005
- 2005-12-29 CN CN 200510136504 patent/CN1819715B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1819715B (zh) | 2012-10-24 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1805614A (zh) | 移动声讯设备用双磁式听筒免提两用扬声器及功放控制电路 | |
CN1819714B (zh) | 无线通讯设备用双磁极双音圈扬声器及功放控制电路 | |
CN1812653B (zh) | 阻抗与功率可变式扬声器及其功放与控制电路 | |
CN200959659Y (zh) | 阻抗与功率可变式扬声器及其功放与控制电路 | |
CN1812657A (zh) | 双音圈式扬声器及功放控制电路 | |
CN1812658A (zh) | 无线电话用内外双磁式听筒与免提一体化扬声器及功放控制电路 | |
CN1819717B (zh) | 三级磁极式扬声器及其功放与控制电路 | |
CN1819713A (zh) | 移动通讯机用电磁能高效转换声能高音质扬声器及功放与控制电路 | |
CN1812656B (zh) | 双线同向间绕双绕组动圈式扬声器及功放与控制电路 | |
CN1805616A (zh) | 三音圈一体化扬声器及其功放与控制电路 | |
CN1812659B (zh) | 内外双磁中空磁芯式扬声器及功放与控制电路 | |
CN200959661Y (zh) | 双线同向间绕双绕组动圈式扬声器及功放与控制电路 | |
CN1819715A (zh) | 移动电话用双磁极双音圈扬声器及功放控制电路 | |
CN200959664Y (zh) | 无线通讯设备用双磁极双音圈扬声器及功放控制电路 | |
CN1819716A (zh) | 双动圈双磁极式扬声器及功放控制电路 | |
CN1819712A (zh) | 电声高转换率高音质双磁极双动圈式扬声器及功放与控制电路 | |
CN1819711B (zh) | 中空磁芯内磁极内音圈扬声器及其功率驱动与控制电路 | |
CN1812660A (zh) | 小型电话机用听筒免提双向扬声器及其功放与控制电路 | |
CN1805618A (zh) | 移动电话用听筒免提双向扬声器及其功放与控制电路 | |
CN1805619A (zh) | 听筒免提兼用扬声器及其功放与控制电路 | |
CN1812655B (zh) | 音圈内壁固定绕组带底板层式扬声器及其功率放大与控制电路 | |
CN200966151Y (zh) | 移动电话用听筒免提双向扬声器及其功放与控制电路 | |
CN200959668Y (zh) | 小型电话机用听筒免提双向扬声器及其功放与控制电路 | |
CN200966152Y (zh) | 双动圈双磁极式扬声器及功放控制电路 | |
CN1805615A (zh) | 三磁极三音圈一体化扬声器及其功放与控制电路 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C57 | Notification of unclear or unknown address | ||
DD01 | Delivery of document by public notice |
Addressee: Yan Huaiwei Document name: Written notice of preliminary examination of application for patent for invention Addressee: Yan Huaiwei Document name: Correction notice |
|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C53 | Correction of patent for invention or patent application | ||
CB02 | Change of applicant information |
Address after: 610072, No. two, section 17, West Ring Road, Chengdu, Sichuan Applicant after: Yan Huaiwei Address before: 528000 Guangdong city of Foshan province Dancheng city national high tech Zone Industrial Park Geely Applicant before: Yan Huaiwei |
|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121024 Termination date: 20121229 |