Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent
1989-03-09
1991-06-04
Oberley, Alvin E.
Communications: electrical
Land vehicle alarms or indicators
Internal alarm or indicator responsive to a condition of the...
340783, 34081531, 40447, 40474, 40449, 40452, G09F 304
Patent
active
050217739
ABSTRACT:
A display device has a disk assembly with a SET position and a RESET position approximately perpendicular and approximately parallel to the intended viewing direction. The disk assembly shows a bright indication in the viewing direction in SET position and a dark indication at the same viewing area in the RESET position. An aperture in the disk allows radiation from an optic fibre to be seen from the viewing direction in SET position and a hood, mechanically attached to the disk assembly occludes such radiation in the reset position.
REFERENCES:
patent: 3469258 (1969-09-01), Winrow
patent: 4819357 (1989-04-01), Salam
patent: 4833806 (1989-05-01), Gars
Nei Canada Limited
Oberley Alvin E.
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