G - Physics
08
B
G08B 21/18 (2006.01) E01F 9/012 (2006.01) G08B 3/10 (2006.01) G08B 5/00 (2006.01) G08B 7/06 (2006.01) G08B 21/22 (2006.01) G08B 25/01 (2006.01)
Patent
CA 2394908
[0048] A safety device, comprising at least one sensor for sensing the presence of an object and a warning system that emits at least one precreated verbal warning message after the sensor senses an object. The warning system includes a control system that allows a user to select at least one of a plurality of precreated verbal warning messages for emission. In another embodiment, a safety device comprises a safety cone, a sensor disposed on the safety cone and that senses an object, and a warning system disposed at the top of the safety cone and that emits at least one warning signal after the sensor senses an object.
Dulaney Shannon C.
Lauer Robert W.
Recko Paul J. Jr.
Rogers Craig K.
Blake Cassels & Graydon Llp
Rubbermaid Commercial Products Llc
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