G - Physics – 05 – D
Patent
G - Physics
05
D
267/8, 341/85
G05D 1/00 (2006.01) B60G 17/018 (2006.01)
Patent
CA 1100606
D-2159 C-2942 MOTOR VEHICLE LEVEL CONTROL CIRCUIT Abstract of the Disclosure An optical switching arrangement including at least one light source connected in a cyclically completed and inter- rupted electrical energizing circuit and a pair of photo- sensitive signal generating devices optically coupled thereto through a stuttering arrangement operated by the sprung mass of a motor vehicle produces, when the sprung mass is above and below a predetermined trim band, respective first and second logic signal pairs, each of which is stored until the next different pair is produced. Electrical circuitry responsive to these logic signal pairs produces respective sprung mass high and low signals to which a leveling system is responsive to level the sprung mass within the predetermined trim band. Respective accumulator circuits accumulate the time each the sprung mass high and low signals is present to effect the inhibiting of the production of each of these signals at the conclusion of a respective predetermined period of time and each is reset to zero upon each occurrence of the opposite one of these signals.
316868
General Motors Corporation
Gowling Lafleur Henderson Llp
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