发明授权
- 专利标题： Narrowed-electrode pickup stylus for video disc systems
- 专利标题（中）： 用于视盘系统的窄电极拾音笔
-
申请号： US782020申请日： 1977-03-28
-
公开(公告)号： US4124867A公开(公告)日： 1978-11-07
- 发明人: Jack S. Fuhrer , Eugene O. Keizer
- 申请人： Jack S. Fuhrer , Eugene O. Keizer
- 申请人地址： NY New York
- 专利权人： RCA Corporation
- 当前专利权人： RCA Corporation
- 当前专利权人地址： NY New York
- 主分类号： G11B3/46
- IPC分类号： G11B3/46 ; G11B3/44
摘要：
A novel pickup stylus adapted for playing back prerecorded signals from a video disc has an arrowhead-shape cross-section in the region of its tip. The pickup stylus includes a dielectric support element which has a prow defining the apex of the arrowhead-shape cross-section and a substantially flat rear surface remote from the prow defining the base of the arrowhead-shape cross-section. The entire rear surface is covered with conductive material to form a narrowed-electrode in the region of its tip.
公开/授权文献
- US5187641A Patient monitoring unit and care station 公开/授权日：1993-02-16