Communications: electrical – Selective – Having indication or alarm
Patent
1977-06-29
1979-02-20
Waring, Alvin H.
Communications: electrical
Selective
Having indication or alarm
340164B, 340521, G08B 1900
Patent
active
041409965
ABSTRACT:
A function monitoring system particularly suitable for use in recreational vehicles, boats, and the like uses a multiplexing system with a display panel including a digital display for displaying time of day information. The display panel also has a legend display portion; and an alarm system continuously, cyclically monitors the condition of various functions to be monitored, such as, water supply reserve, holding tank capacity, battery reserve, etc. Whenever one of the conditions being monitored reaches a point where some type of action should be taken, the alarm system causes the legend for that particular function to be displayed adjacent the time of day display. When a more accurate readout of all of the functions being monitored by the system is desired, a readout cycle is initiated; and the time of day clock display is converted to a digital quantity display, representative of the information of the displayed function legend, function-by-function in sequence, until a cycle of all of the functions has been completed. The system then reverts back to a time of day display with selected legend display of alarm conditions.
REFERENCES:
patent: 3949358 (1976-04-01), Higashi
patent: 4035764 (1977-07-01), Fujinami et al.
patent: 4053868 (1977-10-01), Cox et al.
Leitch John W.
Schemmel Steven C.
Zervakos Louis J.
Ptak LaValle D.
Realcom, Ltd.
Waring Alvin H.
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