Electricity: motive power systems – Open-loop stepping motor control systems
Patent
1993-08-26
1995-08-01
Ro, Bentsu
Electricity: motive power systems
Open-loop stepping motor control systems
367104, 73619, G01N 2926, G01S 1506
Patent
active
054382475
ABSTRACT:
An ultrasonic scanning device includes an ultrasonic sensor mounted for rotation. The sensor can be automatically oriented in a predetermined reference position from a random position. During a scanning operation the sensor is rotated by incremental angles. The length of the angles is changed after a predetermined time elapse following the initiation of a scanning operation.
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Kim Tae-Sig
Yu Jang-Hyun
Ro Bentsu
Samsung Electronics Co,. Ltd.
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