CN207410482U - 一种具有外放喇叭的耳机 - Google Patents
一种具有外放喇叭的耳机 Download PDFInfo
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- CN207410482U CN207410482U CN201721036745.9U CN201721036745U CN207410482U CN 207410482 U CN207410482 U CN 207410482U CN 201721036745 U CN201721036745 U CN 201721036745U CN 207410482 U CN207410482 U CN 207410482U
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- earphone
- power amplifier
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- loudspeaker
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- 230000005540 biological transmission Effects 0.000 claims abstract description 6
- 230000005236 sound signal Effects 0.000 claims description 23
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 230000006870 function Effects 0.000 description 7
- 239000000047 product Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 210000003454 tympanic membrane Anatomy 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
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Abstract
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CN201721036745.9U CN207410482U (zh) | 2017-08-17 | 2017-08-17 | 一种具有外放喇叭的耳机 |
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CN201721036745.9U CN207410482U (zh) | 2017-08-17 | 2017-08-17 | 一种具有外放喇叭的耳机 |
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CN207410482U true CN207410482U (zh) | 2018-05-25 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109246534A (zh) * | 2018-09-29 | 2019-01-18 | 歌尔科技有限公司 | 一种喇叭单体和一种音频播放设备 |
CN110166897A (zh) * | 2019-05-14 | 2019-08-23 | 惠州Tcl移动通信有限公司 | 实现多种功能音频系統及方法 |
-
2017
- 2017-08-17 CN CN201721036745.9U patent/CN207410482U/zh active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109246534A (zh) * | 2018-09-29 | 2019-01-18 | 歌尔科技有限公司 | 一种喇叭单体和一种音频播放设备 |
CN110166897A (zh) * | 2019-05-14 | 2019-08-23 | 惠州Tcl移动通信有限公司 | 实现多种功能音频系統及方法 |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A headset with external speakers Effective date of registration: 20230201 Granted publication date: 20180525 Pledgee: China Co. truction Bank Corp Zhongshan branch Pledgor: ZHONGSHAN OCVACO ELECTRONIC Co.,Ltd. Registration number: Y2023980031882 |
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PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231229 Granted publication date: 20180525 Pledgee: China Co. truction Bank Corp Zhongshan branch Pledgor: ZHONGSHAN OCVACO ELECTRONIC Co.,Ltd. Registration number: Y2023980031882 |