Lenticular gauge face

Details Lenticular gauge face Lenticular gauge face

1994-04-15

1995-12-05

Chilcot, Richard

Measuring and testing

Fluid pressure gauge

359 22, 359619, G03H 130, G02B 2700, G01L 700

Patent

active

054718813

ABSTRACT:
A refrigeration gauge face is modified by the use of two dimensional (2-D) lenticular animation display containing two different scale images. The two different scale images together provide separate temperature scales for each of the most commonly used of the older ozone depleting refrigerants and the newer non-depleting refrigerants. As the gauge is moved to either of two separate viewing angles, a different temperature scale image is visible at each angle. The images viewable at the two separate viewing angles provide additional space to accommodate scales for the most common older and newer refrigerants. A luminous background can be incorporated behind the temperature scale images for low light viewing.

REFERENCES:
patent: 2538843 (1951-01-01), McGuire
patent: 3873210 (1975-03-01), Konopka
patent: 3915007 (1975-10-01), Johanson et al.
patent: 4414316 (1983-11-01), Conley
patent: 4420527 (1983-12-01), Conley
patent: 4834475 (1989-05-01), Robinson
patent: 4920039 (1990-04-01), Fotland et al.

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