CN202261691U - 一种基于ip网络的对讲话站 - Google Patents
一种基于ip网络的对讲话站 Download PDFInfo
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- CN202261691U CN202261691U CN2011204359513U CN201120435951U CN202261691U CN 202261691 U CN202261691 U CN 202261691U CN 2011204359513 U CN2011204359513 U CN 2011204359513U CN 201120435951 U CN201120435951 U CN 201120435951U CN 202261691 U CN202261691 U CN 202261691U
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CN2011204359513U CN202261691U (zh) | 2011-11-07 | 2011-11-07 | 一种基于ip网络的对讲话站 |
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CN2011204359513U CN202261691U (zh) | 2011-11-07 | 2011-11-07 | 一种基于ip网络的对讲话站 |
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CN202261691U true CN202261691U (zh) | 2012-05-30 |
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CN2011204359513U Expired - Lifetime CN202261691U (zh) | 2011-11-07 | 2011-11-07 | 一种基于ip网络的对讲话站 |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103402167A (zh) * | 2013-08-15 | 2013-11-20 | 天津市北海通信技术有限公司 | 网络型数字功放 |
CN109842719A (zh) * | 2017-11-28 | 2019-06-04 | 睿道通讯国际有限公司 | 用于内部通讯网络的呼叫站 |
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2011
- 2011-11-07 CN CN2011204359513U patent/CN202261691U/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103402167A (zh) * | 2013-08-15 | 2013-11-20 | 天津市北海通信技术有限公司 | 网络型数字功放 |
CN109842719A (zh) * | 2017-11-28 | 2019-06-04 | 睿道通讯国际有限公司 | 用于内部通讯网络的呼叫站 |
CN109842719B (zh) * | 2017-11-28 | 2022-01-18 | 睿道通讯国际有限公司 | 用于内部通讯网络的呼叫站 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Wuhan Iron & Steel Engineering Technology Group Communications Co., Ltd. Assignor: Wuhan Iron & Steel (Group) Corp. Contract record no.: 2015420000066 Denomination of utility model: IP (Internet Protocol)-network-based conversation station Granted publication date: 20120530 License type: Exclusive License Record date: 20150504 |
|
LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20171225 Address after: 430000 front of Qingshan District factory in Wuhan, Hubei Province Patentee after: Wuhan Iron & Steel Engineering Technology Group Communications Co., Ltd. Address before: 430080 Friendship Avenue, Hubei, Wuhan, No. 999 Patentee before: Wuhan Iron & Steel (Group) Corp. |
|
CX01 | Expiry of patent term | ||
CX01 | Expiry of patent term |
Granted publication date: 20120530 |