G - Physics – 07 – C
Patent
G - Physics
07
C
G07C 3/00 (2006.01) F21S 8/00 (2006.01)
Patent
CA 2053053
A signalling device is provided having a plurality of differently colored light modules stacked one above the other that function properly regardless of arrangement order of the light modules within the signalling device. The signalling device includes a signal bus having a plurality of channels that extends through each light module. Each channel carries a unique status signal to one light module. Each light module is connected to and identified by a different channel, thus enabling the light modules to be arranged in any order and still function properly. One or all cover plates on each light module may be removed without requiring any light module to be removed from the signalling device. This feature enables both the light modules to be serviced while retaining their color identity and the color of the cover plates to be changed without requiring any light modules to be removed from the signalling device in either situation. The signalling device is quickly assembled with dilating rivets. A data logger connected to each signalling device records the changing status as indicated by each light module. All these features enable the signalling device to be quickly and efficiently assembled and maintained.
Khambatta Sarosh
Taylor James
Thadani Moti
Federal Signal Corporation
Khambatta Sarosh
Marks & Clerk
Taylor James
Thadani Moti
LandOfFree
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