| 发明名称 |
INFRARED RAY VIDEO TRANSMISSION SYSTEM |
| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an infrared ray video transmission system for immediately shutting off the emission of a laser beam when a person enters an emission rage of the laser beam. <P>SOLUTION: The infrared ray video transmission system is provided with a controller having a light emitting element 28 for emitting a laser beam 32 for signal transmission via a transmission circuit 27 and a light receiving element 34 for receiving an infrared ray beam for a positioning purpose; a receiver 10 having a light receiving element 51 for receiving the laser beam 32 for signal transmission and a light emitting element 52 for emitting the infrared ray beam 35 for the positioning purpose; and a transmission shut-off means for shutting off an output of the laser beam 32 for signal transmission when the infrared ray beam 35 for positioning is interrupted. <P>COPYRIGHT: (C)2005,JPO&NCIPI |
| 申请公布号 |
JP2004320271(A) |
申请公布日期 |
2004.11.11 |
| 申请号 |
JP20030109690 |
申请日期 |
2003.04.15 |
| 申请人 |
SHOWA ELECTRIC WIRE & CABLE CO LTD |
发明人 |
TANAKA NOBUYUKI;YAMAZAKI SHINYA;KOMORI SHINICHI |
| 分类号 |
H04B10/00;H04B10/077;H04B10/079;H04B10/11;H04B10/112 |
主分类号 |
H04B10/00 |
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