A dial (24) has a light shielding plate (22) on its back.
表盘(24)在其背面具有遮光板(22)。
A circuit board (16) on which the LED are mounted is arranged at the back of the light shielding plate.
LED安装在上面的电路板(16)被安排在遮光板的背面。
In order to recreate the magnetic shielding, they used ferrite plate and copper tape placed on the back of coils - this hindered transmitted energy from getting close to human tissue.
他们将铁酸盐板和铜带置于线圈背部形成磁屏蔽，这样可以避免传输的电量过于接近人体。
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