发明名称 Writing device with alarm
摘要 An alarm-generating writing device is disclosed, the constitution of which is such that a push bottom switch is provided on the body of the writing device (pen or pencil), the push button switch being able to close the circuit in order to activate an alarm. When the user of the writing device releases the push button switch due to exhaustion or falling asleep, the springing push button switch closes the inner circuit of the writing device in order to activate the alarm, whereby awakening the user from the sleeping state.
申请公布号 US4812068(A) 申请公布日期 1989.03.14
申请号 US19880219674 申请日期 1988.07.15
申请人 SEONG, JAE PIL 发明人 SEONG, JAE PIL
分类号 B43K29/00;(IPC1-7):B43K29/00 主分类号 B43K29/00
代理机构 代理人
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