蓄ちく積せき管かん

noun

storage tube

Technical term in electronics; a cathode-ray tube that can retain an image for an extended period without refresh.

• 蓄ちく積せき管かんは、かつてレーダー表ひょう示じやオシロスコープに使つかわれた。

  Storage tubes were once used in radar displays and oscilloscopes.