Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
ISOLATED SIGNAL TRANSMISSION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/232523
Kind Code:
A1
Abstract:
An isolated signal transmission apparatus, comprising a high-frequency amplitude modulation circuit (10), a signal demodulation circuit (20), a first magnetic field antenna (30), and a second magnetic field antenna (40). Both the first magnetic field antenna (30) and the second magnetic field antenna (40) are loop antennas each provided with a conductive shielding layer, the conductive shielding layer is covered with an insulating layer, and loop parts of the first magnetic field antenna (30) and the second magnetic field antenna (40) are opposite to each other and close to each other. The high-frequency amplitude modulation circuit (10) is connected to a pin of the first magnetic field antenna (30), and a pin of the second magnetic field antenna (40) is connected to the signal demodulation circuit (20). A signal to be measured is modulated to a high-frequency carrier signal by the high-frequency amplitude modulation circuit (10), and then subjected to isolated transmission by the magnetic field antennas which are opposite to each other and close to each other; thus, the anti-interference effect is greatly improved, the attenuation degrees of received and transmitted signals are reduced, and the signal coupling degree is improved.

Inventors:
FAN, Xiaoming (No. 1 FactoryLonggang Tianan Shuma Chuangye Park. No. 441, Huangge Road, Longcheng Street, Longgang Distric, Shenzhen Guangdong 6, CN)
Application Number:
PCT/CN2020/096487
Publication Date:
November 25, 2021
Filing Date:
June 17, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHENZHEN ZHIYONG ELECTRONICS CO., LTD. (No. 1 FactoryLonggang Tianan Shuma Chuangye Park. No. 441, Huangge Road, Longcheng Street, Longgang Distric, Shenzhen Guangdong 6, CN)
International Classes:
H03K19/0175
Attorney, Agent or Firm:
SHENZHEN ZHONGDING INTELLECTUAL PROPERTY AGENCY (7F Block B, Zhongmin Times Square, 3012 Sungang East Road, Luohu Distric, Shenzhen Guangdong 0, CN)
Download PDF: