| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an infrared receiver which can prevent interference by blocking an unwanted infrared signal inputted from the next room. <P>SOLUTION: Inside of a dome part 31 of a cover 3, a shielding filter 6 is arranged so as to make only an infrared signal sent from a special direction being input to a receiving sensor 4, and infrared signals sent from other directions being blocked. <P>COPYRIGHT: (C)2004,JPO |
