CN201207642Y - Wireless noise reducing earphone - Google Patents
Wireless noise reducing earphone Download PDFInfo
- Publication number
- CN201207642Y CN201207642Y CNU200820046788XU CN200820046788U CN201207642Y CN 201207642 Y CN201207642 Y CN 201207642Y CN U200820046788X U CNU200820046788X U CN U200820046788XU CN 200820046788 U CN200820046788 U CN 200820046788U CN 201207642 Y CN201207642 Y CN 201207642Y
- Authority
- CN
- China
- Prior art keywords
- noise
- loudspeaker
- circuit
- source
- wireless
- 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.)
- Expired - Lifetime
Links
- 230000005236 sound signal Effects 0.000 claims description 17
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 238000001914 filtration Methods 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Images
Landscapes
- Circuit For Audible Band Transducer (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU200820046788XU CN201207642Y (en) | 2008-04-23 | 2008-04-23 | Wireless noise reducing earphone |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNU200820046788XU CN201207642Y (en) | 2008-04-23 | 2008-04-23 | Wireless noise reducing earphone |
Publications (1)
Publication Number | Publication Date |
---|---|
CN201207642Y true CN201207642Y (en) | 2009-03-11 |
Family
ID=40466698
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNU200820046788XU Expired - Lifetime CN201207642Y (en) | 2008-04-23 | 2008-04-23 | Wireless noise reducing earphone |
Country Status (1)
Country | Link |
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CN (1) | CN201207642Y (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012022220A1 (en) * | 2010-08-20 | 2012-02-23 | Li Xiao | Noise reduction headphones and method for reducing headphone noise and distortion |
CN105142088A (en) * | 2015-08-19 | 2015-12-09 | 深圳航天金悦通科技有限公司 | Low-noise-free hearing aid device and method |
CN106817644A (en) * | 2017-02-21 | 2017-06-09 | 上海青橙实业有限公司 | A kind of mobile terminal and head circuit |
CN114822469A (en) * | 2021-10-22 | 2022-07-29 | 佛山博智医疗科技有限公司 | Audiometry system with intelligent noise reduction function |
-
2008
- 2008-04-23 CN CNU200820046788XU patent/CN201207642Y/en not_active Expired - Lifetime
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012022220A1 (en) * | 2010-08-20 | 2012-02-23 | Li Xiao | Noise reduction headphones and method for reducing headphone noise and distortion |
CN105142088A (en) * | 2015-08-19 | 2015-12-09 | 深圳航天金悦通科技有限公司 | Low-noise-free hearing aid device and method |
CN106817644A (en) * | 2017-02-21 | 2017-06-09 | 上海青橙实业有限公司 | A kind of mobile terminal and head circuit |
CN114822469A (en) * | 2021-10-22 | 2022-07-29 | 佛山博智医疗科技有限公司 | Audiometry system with intelligent noise reduction function |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: ZHONGSHAN AOKAIHUATAI ELECTRONICS CO., LTD. Free format text: FORMER OWNER: FU SHIHUA Effective date: 20091211 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20091211 Address after: Building four or five, building 142, No. 1 South Tan Road, Tanzhou Town, Guangdong City, Zhongshan Province, China: 528400 Patentee after: OCVACO Electronic Ltd. Address before: Guangdong province Zhongshan city Tanzhou town god Tan Road No. 142 OVC Science Park, zip code: 528400 Patentee before: Fu Shihua |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20090311 |