Uniformly lighted airfield guidance sign

Details Uniformly lighted airfield guidance sign Uniformly lighted airfield guidance sign

2005-09-20

2005-09-20

Hofsass, Jeffery (Department: 2636)

Communications: electrical

Aircraft alarm or indicating systems

Land-based landing guidance

C340S947000, C340S948000, C340S949000, C340S950000, C340S951000, C340S952000, C340S953000, C040S541000, C040S605000, C040S624000, C040S584000, C362S026000, C362S029000, C362S035000, C362S035000

Reexamination Certificate

active

06946975

ABSTRACT:
An airfield guidance sign. The sign 100 (of FIG.1a) includes a case (102), a multi-element light source (114) attached to the case (102) for providing light interior to the case (102), a light dispersion subsystem of the case for dispersing the light from the light source (114) substantially uniformly throughout the interior of the case (102); and a side panel (126) forming a side of the case (102) for displaying information.

REFERENCES:
patent: 4734625 (1988-03-01), Geanous et al.
patent: 5426429 (1995-06-01), Norman et al.
patent: 5711589 (1998-01-01), Oe et al.
patent: 6244719 (2001-06-01), Oda et al.
patent: 6523982 (2003-02-01), Haddad
patent: 6552501 (2003-04-01), Ito et al.

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