Transmitter

Details Transmitter Transmitter

2006-11-21

2006-11-21

Raymond, Edward (Department: 2857)

Data processing: measuring, calibrating, or testing

Measurement system

Measured signal processing

C324S500000

Reexamination Certificate

active

07139683

ABSTRACT:
A transmitter including: a sensor, which serves for registering a physical parameter (X) and transducing such into an electrical quantity; a signal pre-processor, which serves for converting the electrical quantity into a raw signal (R); a signal processor, which serves for converting the raw signal (R) into a measurement signal (M); an output stage, which serves for issuing an output signal corresponding to the measurement signal (M); and a monitoring unit, which in operation compares the output signal with an auxiliary signal (H) derived from the raw signal (R) and triggers a safety-directed adjustment of the output signal, when a difference between the output signal and the auxiliary signal (H) exceeds a predetermined limit.

REFERENCES:
patent: 4783659 (1988-11-01), Frick
patent: 4804958 (1989-02-01), Longsdorf
patent: 2003/0209893 (2003-11-01), Breed et al.

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