Communications: electrical – Condition responsive indicating system – With particular system function
Patent
1992-06-03
1994-04-26
Crosland, Donnie L.
Communications: electrical
Condition responsive indicating system
With particular system function
340500, 340525, 340461, G08B 2300
Patent
active
053070500
ABSTRACT:
An annunciator for the status of interlock switches connected into a series circuit for supplying power from a power source to a load, includes a memory recording the status of each switch at a selectable instant. A plurality of display elements are arranged in a pattern corresponding to the pattern of the interlock switch circuit. A manually operable switch allows a user to select for graphically showing with the display either the switch status recorded by the memory or the current status of the switches. The signals controlling the display are conditioned so that the particular display element assigned to the first out switch as recorded in the memory flashes to indicate the switch closest to the power source which was not conducting at the selectable instant.
REFERENCES:
patent: 3665399 (1972-05-01), Zehr et al.
patent: 3967281 (1976-06-01), Dageford
patent: 4271402 (1981-06-01), Kastura et al.
patent: 4295129 (1981-10-01), Cade
patent: 4451225 (1984-06-01), Landis
patent: 4471348 (1984-09-01), London et al.
patent: 4943919 (1990-07-01), Aslin et al.
Fireye Bulletin E1001 (Nov. 1988).
Fireye Bulletin E3001 (Sep. 1988).
Fireye Bulletin C610 (Feb. 1980).
Merten Gregory J.
Patton Paul B.
Crosland Donnie L.
Honeywell Inc.
Schwarz Edward L.
LandOfFree
Display apparatus for a first out type of fault status annunciat does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Display apparatus for a first out type of fault status annunciat, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Display apparatus for a first out type of fault status annunciat will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-1714284