Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1992-12-01
1994-03-29
Williams, Hezron E.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340426, 340534, B60Q 300
Patent
active
052988791
ABSTRACT:
An alarm system having latching circuits for locking a signal detected by a respective sensor is provided. The alarm system includes counting control circuits for controlling a visual alarm, the visual alarm flashing a different number of times depending on which of a plurality of sensors is triggered. A counter for controlling the length of time that the visual alarm flashes is also provided.
REFERENCES:
patent: 3810150 (1974-05-01), Jacobs
patent: 4109246 (1978-08-01), Budrys
patent: 4833449 (1989-05-01), Gaffigan
patent: 4975678 (1990-12-01), Hwang
Klein David I.
Oda Christine K.
Rosenberg Morton J.
Williams Hezron E.
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