利用反射式近红外传感器及语音录放组件，研究了汽车倒车防撞语音提示器。
Using reflective near infrared sensor and voice record-reproducing assembly, the present article studies the voice anticollision-prompting device for backing an automobile.
利用超声波智能测距传感器及语音录放电路，设计了机动车倒车防撞语音提示器。
Using ultrasonic wave intelligent distance-measuring sensor and voice record-reproducing circuit, a voice anticollision-prompting device for backing an automobile is designed.
本实用新型涉及一种汽车倒退防撞报警装置，特别适用于超声波传感器的报警装置。
The utility model relates to an automobile falling back colliding preventing alarm device which is an alarm device especially suitable for ultrasonic sensors.
本实用新型涉及一种汽车倒退防撞报警装置，特别适用于超声波传感器的报警装置。
The utility model relates to an automobile falling back colliding preventing alarm device which is an alarm device especially suitable for ultrasonic sensors.
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