General purpose sensor scanning apparatus

Details General purpose sensor scanning apparatus General purpose sensor scanning apparatus

1985-06-20

1987-11-03

Caldwell, Sr., John W.

Communications: electrical

Continuously variable indicating

Plural transmitters

34087010, 34087015, 34087017, 34082510, G08C 1916

Patent

active

047046090

ABSTRACT:
A scanning device is capable of monitoring a plurality of sensors each of which generate a voltage representative of the parameter being monitored. Multiplexers are provided for continually scanning the sensor channels and displaying the appropriate measurement on a display monitor. Circuitry is provided for converting the displayed measurement from a pure voltage to a temperature. Additionally, switches are provided for causing the scanner to scan only a desired number of channels. Stop channel select switches are provided to cause the scanner to stop on a desired channel, and a light emitting diode display indicates exactly what channel is being monitored.

REFERENCES:
patent: 3848188 (1974-11-01), Ardezzone et al.
patent: 4037199 (1977-07-01), Rozehnal et al.
patent: 4040059 (1977-08-01), Simons et al.
patent: 4158810 (1979-01-01), Leskovar
patent: 4163216 (1979-07-01), Arpino
patent: 4262287 (1981-04-01), McLoughlin et al.
patent: 4563682 (1986-01-01), Merkel
patent: 4591833 (1986-05-01), Ishii et al.

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