Title:
INTERFACE PROTECTION CIRCUIT AND DEVICE INTERFACE
Document Type and Number:
WIPO Patent Application WO/2018/113346
Kind Code:
A1
Abstract:
Provided are an interface protection circuit and a device interface. The interface protection circuit comprises a capacitor (201) and a transient voltage suppressor (TVS) tube (202). A first terminal of the capacitor is connected to a connection port. A second terminal of the capacitor is respectively connected to a first end of the TVS tube and an interface chip. A second end of the TVS tube is grounded. The present invention improves quality of data signals transmitted between devices without compromising protection to the interface chip.
Inventors:
ZAN CHAO (CN)
TANG QIMING (CN)
ZHOU GUANGRONG (CN)
YAN JUN (CN)
TANG QIMING (CN)
ZHOU GUANGRONG (CN)
YAN JUN (CN)
Application Number:
PCT/CN2017/100934
Publication Date:
June 28, 2018
Filing Date:
September 07, 2017
Export Citation:
Assignee:
HUAWEI TECH CO LTD (CN)
International Classes:
H02H9/04
Foreign References:
| CN205123240U | 2016-03-30 | |||
| CN203339687U | 2013-12-11 | |||
| CN101001016A | 2007-07-18 | |||
| CN203233162U | 2013-10-09 | |||
| US20060120005A1 | 2006-06-08 |
Other References:
See also references of EP 3471230A4
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