Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1998-06-10
1999-07-06
Wu, Daniel J.
Communications: electrical
Condition responsive indicating system
Specific condition
3405728, 3405687, G08B 1314
Patent
active
059202602
ABSTRACT:
A purse burglarproof structure installed on a purse. The purse is equipped with a sound emitter and having a strap for a user to carry or hang the purse on the shoulder. The strap is disposed with a male buckle and a female buckle which are locked with each other by a predetermined locking force. The male and female buckles are serially electrically connected to the sound emitter via conductive wires to form a circuit. The male and female buckles are locked with or unlocked from each other so as to control the opening/closing of the circuit. In the case that the strap suffers a pulling force greater than the predetermined locking force, the male and female buckles are separated from each other to power on the sound emitter to emit loud sound for help and protection of a user and the purse.
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patent: 5408220 (1995-04-01), Brown et al.
patent: 5510768 (1996-04-01), Mann
patent: 5748089 (1998-05-01), Sizemore
Trieu Van T.
Wu Daniel J.
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