Indicator and limit value alarm device
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Feb 17, 1981
Grant Date -
N/A
app pub date -
Apr 5, 1979
filing date -
Apr 14, 1978
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The present electronic indicator or display device is equipped with adjustable upper and/or lower limit value markers to provide a respective alarm if such limit values are exceeded or not reached. The display itself comprises an electronic circuit and optical display elements such as light emitting diodes connected to the display circuit. An input to the display circuit is adapted to receive rated or limit value input signals which are displayed as respective markers and the position of which is adjustable. A time multiplexing circuit controls the timed sequence of the signals supplied to the display elements. A comparator compares the measured signal value with the rated value or values and monitors the proper function of the system.
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