CN2879713Y - 对讲式安全帽 - Google Patents
对讲式安全帽 Download PDFInfo
- Publication number
- CN2879713Y CN2879713Y CN 200520104619 CN200520104619U CN2879713Y CN 2879713 Y CN2879713 Y CN 2879713Y CN 200520104619 CN200520104619 CN 200520104619 CN 200520104619 U CN200520104619 U CN 200520104619U CN 2879713 Y CN2879713 Y CN 2879713Y
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- Prior art keywords
- safety cap
- safety helmet
- utility
- intercommunication
- model
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- 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.)
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- 238000004891 communication Methods 0.000 claims abstract description 26
- 239000005030 aluminium foil Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000005670 electromagnetic radiation Effects 0.000 description 1
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Abstract
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Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520104619 CN2879713Y (zh) | 2005-11-07 | 2005-11-07 | 对讲式安全帽 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520104619 CN2879713Y (zh) | 2005-11-07 | 2005-11-07 | 对讲式安全帽 |
Publications (1)
Publication Number | Publication Date |
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CN2879713Y true CN2879713Y (zh) | 2007-03-21 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200520104619 Expired - Lifetime CN2879713Y (zh) | 2005-11-07 | 2005-11-07 | 对讲式安全帽 |
Country Status (1)
Country | Link |
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CN (1) | CN2879713Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104720174A (zh) * | 2015-03-27 | 2015-06-24 | 高佳琪 | 带有接收对讲功能的安全帽 |
CN106723580A (zh) * | 2016-12-08 | 2017-05-31 | 重庆交通大学 | 一种基于自动监控的智能安全帽及其佩戴方法 |
-
2005
- 2005-11-07 CN CN 200520104619 patent/CN2879713Y/zh not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104720174A (zh) * | 2015-03-27 | 2015-06-24 | 高佳琪 | 带有接收对讲功能的安全帽 |
CN106723580A (zh) * | 2016-12-08 | 2017-05-31 | 重庆交通大学 | 一种基于自动监控的智能安全帽及其佩戴方法 |
CN106723580B (zh) * | 2016-12-08 | 2019-06-14 | 重庆交通大学 | 一种基于自动监控的智能安全帽及其佩戴方法 |
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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: STATE ELECTRIC NET CROP. Effective date: 20130201 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20130201 Address after: 041000 science and technology section, Linfen power supply branch, No. 42 Jiefang East Road, Shanxi, Linfen Patentee after: Shanxi Linfen Electric Power Supply Co., Ltd. Patentee after: State Grid Corporation of China Address before: 041000 science and technology section, Linfen power supply branch, No. 42 Jiefang East Road, Shanxi, Linfen Patentee before: Shanxi Linfen Electric Power Supply Co., Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20070321 |
|
EXPY | Termination of patent right or utility model |