发明名称 |
Control system of and device for memorizing, reading and reproducing the position of material to be controlled |
摘要 |
This disclosure relates to a control device of transmitting an ultrasonic pulse from an ultrasonic transmitter to an ultrasonic receiver by disposing the transmitter and the receiver between two movable members which are placed in a variable relation in linear distance with each other, converting aerial propagation time of the pulse from the transmitter to the receiver into an electrical means, memorizing and holding a distance between the two members by the electrical means, and reading the memorized distance at any desired time and reproducing the distance. The disclosure also relates to a control device using the system.
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申请公布号 |
US4375900(A) |
申请公布日期 |
1983.03.08 |
申请号 |
US19800172428 |
申请日期 |
1980.07.25 |
申请人 |
KABUSHIKI KAISHA MORITA SEISAKUSHO |
发明人 |
TACHIBANA, AKIFUMI;WATANABE, MINORU;SHIGIHARA, TAKANORI |
分类号 |
A47C1/024;A47C31/12;A61C19/00;A61G9/00;A61G13/02;A61G15/02;G01S11/14;G05B19/42;G05D3/12;(IPC1-7):A47C3/20 |
主分类号 |
A47C1/024 |
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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