| 摘要 |
PROBLEM TO BE SOLVED: To provide an IR (infrared) decoy capable of adjusting a period of time over which infrared rays are emitted.SOLUTION: An IR decoy includes: an infrared device 11 having a circular ejection surface 11a with one or more ejection ports 12; a lid 13 having a through-hole 14 with a position, a size and a shape which coincide with those of the ejection port 12 and mounted rotatably about the center of the ejection surface 11a as a rotation axis 11b, along the ejection surface 11a; and a rotary drive device for rotating the lid 13. |
