公开(公告)号：US4433407A

公开(公告)日：1984-02-21

申请号：US330388

申请日：1981-12-14

申请人： George H. N. Riddle

发明人： George H. N. Riddle

IPC分类号： G11B3/00 ,  G11B3/72

CPC分类号： G11B3/00 ,  G11B3/72

摘要： A cutting stylus is positioned with respect to a metal substrate in order to cut a groove. The cutting stylus is vibrated about a quiescent position in response to a relatively high frequency signal while cutting the groove in order to cut an information track comprising short wavelength modulation of the groove depth. Relative motion is established between the metal substrate and the cutting stylus such that the information track is cut along a spiral path. The relative motion is varied in a predetermined manner as the stylus cuts across the surface of the metal substrate such that the spiral information track is formed having a varying pitch to reduce the formation of damaging ridges on the cutting edge of the stylus.

摘要翻译： 为了切割凹槽，切割触针相对于金属基板定位。 切割触针响应于较高频率的信号围绕静止位置振动，同时切割凹槽以便切割包括凹槽深度的短波长调制的信息轨迹。 在金属基板和切割触针之间建立相对运动，使得沿着螺旋路径切割信息轨道。 当触针切过金属基板的表面时，相对运动以预定的方式变化，使得螺旋信息轨道形成为具有变化的间距，以减少在触针的切割边缘上形成损坏的脊。

公开(公告)号：US4320490A

公开(公告)日：1982-03-16

申请号：US104370

申请日：1979-12-17

申请人： George H. N. Riddle ,  Byron K. Taylor

发明人： George H. N. Riddle ,  Byron K. Taylor

IPC分类号： G11B9/07 ,  G11B9/06

CPC分类号： G11B9/075

摘要： A cartridge for a video disc stylus having a stylus-position sensor, including an electrode mounted to the cartridge walls. An appendage is provided on the cartridge wall to position the sensor electrode proximate the stylus, the appendage being contoured to accept a preformed sensor electrode. The sensor electrode is formed from sufficiently resilient material to recover from deformation during electrode-appendage engagement and constrain itself to a particular position in the cartridge by compressive forces developed between the electrode and the appendage.

摘要翻译： 一种用于具有触针位置传感器的视频光盘触针的盒，包括安装到盒壁的电极。 在盒壁上设置附件以将传感器电极定位在触针附近，附件被轮廓化以接受预先形成的传感器电极。 传感器电极由足够弹性的材料形成，以在电极附着接合期间从变形中恢复，并且通过在电极和附件之间产生的压缩力将其自身约束在盒中的特定位置。