Delay circuit

Details Delay circuit Delay circuit

1978-07-17

1979-05-29

Cline, William R.

Fluid handling

With indicator, register, recorder, alarm or inspection means

137552, 13762411, 251129, 340652, 340663, 431 78, F16K 3102

Patent

active

041564324

ABSTRACT:
A delay circuit includes a switching element for operatively switching between a first position and a second position. The switching element connects an input voltage to an electrically-operated device in the first position. A delay element is operatively connected to the switching element for maintaining the switching element in the first position when an input voltage interruption occurs which is less than a pre-determined time interval.

REFERENCES:
patent: 2628333 (1953-02-01), Maltby
patent: 2691705 (1954-10-01), Ray
patent: 3254871 (1966-06-01), Limon
patent: 3441929 (1969-04-01), Coffer
patent: 3619724 (1971-11-01), Brown et al.
patent: 3619768 (1971-11-01), Harte
patent: 3678491 (1972-07-01), Day
patent: 3906294 (1975-09-01), Lourigan
patent: 4038019 (1977-07-01), Matthews

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