发明名称 |
MOVING OBJECT DETECTING APPARATUS |
摘要 |
A moving object detecting apparatus includes: a transmitting/receiving unit for radiating an ultrasonic wave and receiving a reflective wave reflected from an object present in a monitoring space; a phase detection circuit for mixing reference signals with a reflective signal and obtaining a pair of Doppler signals each having an amplitude depending on a phase difference from the reference signal, each of the Doppler signals having a different phase from each other; a rotation angle calculation unit for calculating a rotation angle; a cumulative addition unit for accumulating the rotation angle; and a comparison unit for comparing the accumulated rotation angle with a threshold value. In the moving object detecting apparatus, a single ultrasonic vibrator is commonly used in the transmitting unit and the receiving unit. |
申请公布号 |
US2012087210(A1) |
申请公布日期 |
2012.04.12 |
申请号 |
US201113328086 |
申请日期 |
2011.12.16 |
申请人 |
KASANO FUMIHIRO;KATAYAMA SUSUMU;MUGIUDA TORU;GOTO KAZUSHI;FUJIKAWA HIDEHIKO;MINAMINO MOTOHIRO;PANASONIC ELECTRIC WORKS CO., LTD. |
发明人 |
KASANO FUMIHIRO;KATAYAMA SUSUMU;MUGIUDA TORU;GOTO KAZUSHI;FUJIKAWA HIDEHIKO;MINAMINO MOTOHIRO |
分类号 |
G01S15/58 |
主分类号 |
G01S15/58 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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