发明授权
- 专利标题： Stroboscopic device
- 专利标题（中）： 颤振装置
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申请号： US591401申请日： 1975-06-30
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公开(公告)号： US4024473A公开(公告)日： 1977-05-17
- 发明人: Gordon Malcom Edge , Keith Douglas Ridler , Frederick James Easthope
- 申请人： Gordon Malcom Edge , Keith Douglas Ridler , Frederick James Easthope
- 申请人地址： EK Belfast
- 专利权人： Strathearn Audio Limited
- 当前专利权人： Strathearn Audio Limited
- 当前专利权人地址： EK Belfast
- 优先权： UK29122/74 19740701
- 主分类号： G01P3/42
- IPC分类号： G01P3/42 ; G01P3/481 ; G01P3/489 ; G01P3/60 ; G11B19/28 ; G01P3/48
摘要：
An arrangement for use in indicating the speed of rotation of a body including a switch operated by elements which rotate according to the rotation of the body, a frequency generator which has an output signal at a frequency related to the desired speed of rotation of the body and an indicator which is actuated in accordance with the signals from both the switch and the frequency generator.
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