发明授权
- 专利标题： Telephone locking device
- 专利标题（中）： 电话锁定装置
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申请号： US47307申请日： 1979-06-14
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公开(公告)号： US4323739A公开(公告)日： 1982-04-06
- 发明人: Louis Flax , Vincent Brzezinski
- 申请人： Louis Flax , Vincent Brzezinski
- 申请人地址： NY New York
- 专利权人： Televault, Inc.
- 当前专利权人： Televault, Inc.
- 当前专利权人地址： NY New York
- 主分类号： H04M1/66
- IPC分类号： H04M1/66 ; H04M1/667
摘要：
A telephone locking device for preventing unauthorized use of a push-button type telephone includes a shield covering at least one of the dial push-buttons to prevent unauthorized access to that push-button. The shield is held on the telephone by either a push-button gripping device or a strap, and a key is required to release the shield.
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