Communications: electrical – Condition responsive indicating system – Specific condition
Patent
1994-12-02
1996-11-26
Swann, Glen
Communications: electrical
Condition responsive indicating system
Specific condition
340653, 340666, 340691, 340692, G08B 1314
Patent
active
055789919
ABSTRACT:
The system includes (1) a sensor for detecting a separation of the portable computer from an object, the sensor transitioning from an inactivated state to an activated state when the portable computer is separated and (2) an alarm circuit coupled to the sensor and having a disarmed state and an armed state, the alarm circuit detecting when the sensor is in the activated state and issuing a notification when the alarm circuit is in the armed state and the sensor is in the activated state.
REFERENCES:
patent: 4316181 (1982-02-01), Primont et al.
patent: 4808981 (1989-02-01), Seibold
patent: 4985695 (1991-01-01), Wilkinson et al.
patent: 4999621 (1991-03-01), Loeb
Dell USA L.P.
Swann Glen
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