| 摘要 |
<p>PHN 8592 24-05-1977 An automatic stop or change-over mechanism for magnetic-tape equipment, by means of which after the magnetic tape has come to a standstill the drive means can be switched off or changed over automatically under the influence of the movement of a zero member which belongs to a differential mechanism which is provided with a slip coupling. The slip coupling is a unidirectional coupling and only transmits a force to the zero member after the magnetic tape has come to a standstill.</p> |
