An induction loop is used to power the device and to relay data from the lens to a receiver worn by the patient.
感应圈被用于启动该装置，并用于将镜片里的数据传输到患者配戴的接收器上。
2
The experimental receiver has been used in a microwave relay system for TV transmission and digital communication, with satisfactory performances.
所研制的接收机用在传输电视和数字通信的微波转发系统中，已获得良好的试验结果。
3
Circuit section is composed of the ADC module, DAC module, rotation speed signal receiver module, relay module, power module, RS232 communication module and CAN communication module.