Escape/rescue system

Details Escape/rescue system Escape/rescue system

1981-09-04

1983-05-31

Yasich, Daniel M.

Signals and indicators

Indicators

By touch

52174, 340326, 340407, 340644, E04H 642, G09G 306

Patent

active

043855865

ABSTRACT:
An emergency evacuation path marking system employing a series of devices, each device having the tactile characteristics of shape and surface contacts, in combination, to indicate direction and distance to the nearest evacuation exit; the shape providing direction information and the surface contacts providing distance information. The devices also being capable of luminescence to aid in visual as well as tactile reference.

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patent: 259544 (1882-06-01), Howard
patent: 1944276 (1934-01-01), Schepmoes
patent: 2085807 (1937-07-01), Lindsey
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patent: 2480584 (1949-08-01), Kohlhauer et al.
patent: 3181134 (1965-04-01), Le Saint et al.
patent: 3336456 (1967-08-01), Ploetz
patent: 3408025 (1968-10-01), Davis
patent: 3591941 (1971-07-01), Jaffe, Jr.
patent: 3663781 (1972-05-01), Zimmerman et al.
patent: 3665626 (1972-05-01), Lund et al.
patent: 4208983 (1980-06-01), Buckley

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