发明名称 Security system for audio equipment
摘要 The present invention provides a security system for audio equipment which allows users to easily release a security operation without having to remember any identification numbers or codes. The present invention provides a security system for audio equipment in which audio equipment in an inoperable condition is changed into an operable condition when data recorded on a recording medium during a playback condition matches identification data stored in a memory. Thus, the present invention allows users to easily release the security operation without compromising the level of security. Furthermore, the present invention prevents the audio equipment from being placed in an unlockable condition due to careless operation of users.
申请公布号 US5835015(A) 申请公布日期 1998.11.10
申请号 US19970804145 申请日期 1997.02.20
申请人 FUJITSU TEN LIMITED 发明人 IKEDA, YUJI
分类号 G11B19/02;G11B19/12;G11B20/00;G11B23/28;G11B27/10;G11B27/34;G11B27/36;(IPC1-7):G08B13/14 主分类号 G11B19/02
代理机构 代理人
主权项
地址