CN201804047U - Signal strength testing device for wireless dispatchers supervision system - Google Patents
Signal strength testing device for wireless dispatchers supervision system Download PDFInfo
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- CN201804047U CN201804047U CN2010202392298U CN201020239229U CN201804047U CN 201804047 U CN201804047 U CN 201804047U CN 2010202392298 U CN2010202392298 U CN 2010202392298U CN 201020239229 U CN201020239229 U CN 201020239229U CN 201804047 U CN201804047 U CN 201804047U
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- Train Traffic Observation, Control, And Security (AREA)
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CN2010202392298U CN201804047U (en) | 2010-06-25 | 2010-06-25 | Signal strength testing device for wireless dispatchers supervision system |
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CN2010202392298U CN201804047U (en) | 2010-06-25 | 2010-06-25 | Signal strength testing device for wireless dispatchers supervision system |
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CN201804047U true CN201804047U (en) | 2011-04-20 |
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CN2010202392298U Expired - Lifetime CN201804047U (en) | 2010-06-25 | 2010-06-25 | Signal strength testing device for wireless dispatchers supervision system |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103995188A (en) * | 2014-05-27 | 2014-08-20 | 天津大学 | Full-band radio-frequency signal detecting and locating device and method capable of carrying out single frequency band detection |
CN108512616A (en) * | 2018-04-16 | 2018-09-07 | 努比亚技术有限公司 | Method for displaying signal intensity, mobile terminal and computer readable storage medium |
CN115140133A (en) * | 2021-03-30 | 2022-10-04 | 比亚迪股份有限公司 | Train-ground wireless signal testing device, system and method for rail transit |
-
2010
- 2010-06-25 CN CN2010202392298U patent/CN201804047U/en not_active Expired - Lifetime
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103995188A (en) * | 2014-05-27 | 2014-08-20 | 天津大学 | Full-band radio-frequency signal detecting and locating device and method capable of carrying out single frequency band detection |
CN103995188B (en) * | 2014-05-27 | 2017-02-15 | 天津大学 | Full-band radio-frequency signal detecting and locating device and method capable of carrying out single frequency band detection |
CN108512616A (en) * | 2018-04-16 | 2018-09-07 | 努比亚技术有限公司 | Method for displaying signal intensity, mobile terminal and computer readable storage medium |
CN108512616B (en) * | 2018-04-16 | 2021-10-29 | 努比亚技术有限公司 | Signal intensity display method, mobile terminal and computer readable storage medium |
CN115140133A (en) * | 2021-03-30 | 2022-10-04 | 比亚迪股份有限公司 | Train-ground wireless signal testing device, system and method for rail transit |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: SHANGHAI TIEDA TELECOM TECHNOLOGY CO., LTD. Free format text: FORMER NAME: TIEDA TELECOMMUNICATION EQUIPMENT CO., LTD., SHANGHAI |
|
CP03 | Change of name, title or address |
Address after: 201802 Shanghai City, Jiading District Nanxiang Town in North Road 1755 Lane 6 Patentee after: SHANGHAI TIEDA ELECTRONIC AND INFORMATION TECHNOLOGY CO., LTD. Address before: 9, No. 267, middle Tianmu Road, Zhabei District, Shanghai, No. 200070 Patentee before: Tieda Telecommunication Equipment Co., Ltd., Shanghai Address after: 201802 Shanghai City, Jiading District Nanxiang Town in North Road 1755 Lane 6 Patentee after: SHANGHAI TIEDA ELECTRONIC AND INFORMATION TECHNOLOGY CO., LTD. Address before: 9, No. 267, middle Tianmu Road, Zhabei District, Shanghai, No. 200070 Patentee before: Tieda Telecommunication Equipment Co., Ltd., Shanghai |
|
CX01 | Expiry of patent term |
Granted publication date: 20110420 |
|
CX01 | Expiry of patent term |