This standard specifies that a hand-held transducer is used to generate a single ultrasound beam and obtain fetal heartbeat information from the maternal abdominal wall by the Doppler method using continuous-wave ultrasound or quasi-continuous-wave ultrasound. Apply to the configured devices.
JIS T 1506:2005 history
2018JIS T 1506:2018 Ultrasonics -- Hand-held probe Doppler foetal heartbeat detectors -- Performance requirements and methods of measurement and reporting
2005JIS T 1506:2005 Ultrasonics -- Hand-held probe Doppler foetal heartbeat detectors -- Performance requirements and methods of measurement and reporting
1984JIS T 1506:1984 Ultrasonic doppler fetal diagnostic equipment