CN109379473B - 一种电子通讯用信号放大设备 - Google Patents
一种电子通讯用信号放大设备 Download PDFInfo
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- CN109379473B CN109379473B CN201811317718.8A CN201811317718A CN109379473B CN 109379473 B CN109379473 B CN 109379473B CN 201811317718 A CN201811317718 A CN 201811317718A CN 109379473 B CN109379473 B CN 109379473B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M1/00—Substation equipment, e.g. for use by subscribers
- H04M1/02—Constructional features of telephone sets
- H04M1/04—Supports for telephone transmitters or receivers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Telephone Set Structure (AREA)
Abstract
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201811317718.8A CN109379473B (zh) | 2018-11-07 | 2018-11-07 | 一种电子通讯用信号放大设备 |
Applications Claiming Priority (1)
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CN201811317718.8A CN109379473B (zh) | 2018-11-07 | 2018-11-07 | 一种电子通讯用信号放大设备 |
Publications (2)
Publication Number | Publication Date |
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CN109379473A CN109379473A (zh) | 2019-02-22 |
CN109379473B true CN109379473B (zh) | 2020-08-18 |
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Application Number | Title | Priority Date | Filing Date |
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CN201811317718.8A Expired - Fee Related CN109379473B (zh) | 2018-11-07 | 2018-11-07 | 一种电子通讯用信号放大设备 |
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CN (1) | CN109379473B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112887052B (zh) * | 2021-02-24 | 2023-01-17 | 南方电网调峰调频发电有限公司信息通信分公司 | 一种电话会议用移动式防干扰设备 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8401178B2 (en) * | 2008-09-30 | 2013-03-19 | Apple Inc. | Multiple microphone switching and configuration |
CN204231798U (zh) * | 2014-11-10 | 2015-03-25 | 天津天慧通科技有限公司 | 一种手机信号放大器外壳 |
CN204928928U (zh) * | 2015-09-14 | 2015-12-30 | 长江大学 | 一种手机信号加强装置 |
CN205336368U (zh) * | 2015-12-12 | 2016-06-22 | 天津天慧通科技有限公司 | 一种基于usb接口的便携式手机信号放大器 |
CN106235562A (zh) * | 2016-08-23 | 2016-12-21 | 芜湖辉灿电子科技有限公司 | 一种手机增强信号装置 |
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2018
- 2018-11-07 CN CN201811317718.8A patent/CN109379473B/zh not_active Expired - Fee Related
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Publication number | Publication date |
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CN109379473A (zh) | 2019-02-22 |
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Legal Events
Date | Code | Title | Description |
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PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210604 Address after: 518000 909, building 49, No. 3, Yunfeng Road, Queshan, Gaofeng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee after: Shenzhen luchen Information Technology Service Co.,Ltd. Address before: Hangzhou City, Zhejiang province Binjiang District 310053 shore road 528 Patentee before: ZHEJIANG INSTITUTE OF MECHANICAL & ELECTRICAL ENGINEERING |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20210913 Address after: Room 2, No. 439, Huimin Road, Sijia Town, Haimen District, Nantong City, Jiangsu Province, 226000 Patentee after: Nantong Yinhu New Material Co.,Ltd. Address before: 518000 909, building 49, No. 3, Yunfeng Road, Queshan, Gaofeng community, Dalang street, Longhua District, Shenzhen City, Guangdong Province Patentee before: Shenzhen luchen Information Technology Service Co.,Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200818 Termination date: 20211107 |