Fluid handling – Self-proportioning or correlating systems – Self-controlled branched flow systems
Patent
1977-10-14
1981-01-13
Cohan, Alan
Fluid handling
Self-proportioning or correlating systems
Self-controlled branched flow systems
13762418, 235201ME, G05D 1604
Patent
active
042443911
ABSTRACT:
A pneumatic program register comprising a plurality of sequential by cascaded modules, each module comprising a pneumatic flip-flop, an AND cell with two inputs and an OR cell with two inputs, one input of said OR cell being connected with the output of said flip-flop of same module, said output of said flip-flop being also connected with one of the inputs of said AND cell of same module, the other input of said OR cell being connected, on the one hand, with the output of the OR cell of the following sequential module, so that the OR cells of all sequential modules are connected in series, and, on the other hand, with the reset port of said flip-flop of the same module, the trigger input of said flip-flop being connected with the output of the AND cell of the preceding sequential module.
REFERENCES:
patent: 3875959 (1975-04-01), Bouteille
Coudeyre Jacques
Guidot Claude
Cohan Alan
Crouzet
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