Process control transmitter with adaptive analog-to-digital conv

Details Process control transmitter with adaptive analog-to-digital conv Process control transmitter with adaptive analog-to-digital conv

1997-02-24

1999-06-01

Young, Brian

Coded data generation or conversion

Analog to or from digital conversion

Analog to digital conversion

341165, H03M 112

Patent

active

059091886

ABSTRACT:
A transmitter for use in a process control setting includes a sensor adapted to couple to a process and provide a sensor output related to a parameter of the process. A modulator coupled to the sensor output responsively provides a digital bit stream output representative of the sensor output. A filter provides a current decimation output. A comparator compares a previous decimation output with the current decimation output. Circuitry is provided for transmitting an output related to the parameter based upon the current decimation.

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patent: 5010347 (1991-04-01), Yukawa
patent: 5095495 (1992-03-01), Golden
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patent: 5157395 (1992-10-01), Del Signore et al.
patent: 5339335 (1994-08-01), Molnar
patent: 5410310 (1995-04-01), Molnar
patent: 5457714 (1995-10-01), Engel et al.

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