发明名称 Locking device for a video cassette recorder and/or player
摘要 A locking device for a video cassette recorder and/or player having a panel with an opening formed therein in which a video cassette is to be inserted and a movable cover closing the opening includes a lock restricted to operation by authorized personnel from outside the video cassette recorder for selectively permitting and preventing movement of the cover.
申请公布号 US4977762(A) 申请公布日期 1990.12.18
申请号 US19890364789 申请日期 1989.06.09
申请人 DENNIS, WAYNE V. 发明人 DENNIS, WAYNE V.
分类号 G11B33/00 主分类号 G11B33/00
代理机构 代理人
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