Boots – shoes – and leggings
Patent
1974-12-06
1980-06-24
Gruber, Felix D.
Boots, shoes, and leggings
123 32EA, 123 32EC, 123117D, 364431, H03K 386, F02B 300
Patent
active
042098335
ABSTRACT:
An electronic control system for controlling the duration of operation of repetitively activated equipment produces a control signal from input signals representing the values of parameters related to the duration of operation. Timing signals generated from repetitive signals produced by the equipment are digitally shifted through a delay line at a rate determined by the control signal to establish the duration of operation of the repetitively activated equipment. The equipment may include a plurality of repetitively activated mechanisms, such as fuel injectors, which are sequentially selected and activated for the specified duration of operation.
REFERENCES:
patent: 3070301 (1962-12-01), Sarnoff
patent: 3643635 (1972-02-01), Milam
patent: 3645240 (1972-02-01), Monpetit
patent: 3692003 (1972-09-01), Wakamatsu et al.
patent: 3766367 (1973-10-01), Sumiyoshi et al.
patent: 3780711 (1973-12-01), Lindberg
Hood Robert B.
Krupp David M.
Fairchild Camera and Instrument Corporation
Gruber Felix D.
MacPherson Alan H.
Meetin Ronald J.
Winters Paul J.
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