Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-08-25
1995-05-02
Swann, Glen
Communications: electrical
Condition responsive indicating system
Specific condition
340568, G08B 13189
Patent
active
054123739
ABSTRACT:
A wallet security device detects when a wallet has been lifted from a user's pocket or purse. If the device is enabled, the device sounds an alarm after a predetermined period of time has elapsed since the wallet was removed from the pocket or purse of the user if a disarm code is not entered onto a keypad located within the wallet within that predetermined period of time. A photodetector located on the outside of the wallet is used to detect when the wallet is removed from the pocket or purse of the user. If the photodetector detects light, the device assumes that the wallet has been removed and, if the disarm code is not entered within the predetermined period of time or if a code is entered onto the keypad that the device does not recognize as a valid disarm code, the alarm is activated. Once the disarm code is entered, the alarm device is deactivated until the arm code is entered again.
REFERENCES:
patent: 3930349 (1975-12-01), Steck et al.
patent: 3959789 (1976-05-01), McGahee
patent: 4692745 (1987-09-01), Simanowitz
patent: 4755802 (1988-07-01), Urbanczyk
patent: 5005111 (1991-04-01), Teal
patent: 5153561 (1992-10-01), Johnson
patent: 5281195 (1994-01-01), Torres et al.
Litman Richard
Swann Glen
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