Sensor device

Details Sensor device Sensor device

1998-11-25

2000-11-07

Nuton, My-Trang

Miscellaneous active electrical nonlinear devices, circuits, and

Specific signal discriminating without subsequent control

By amplitude

H03K 522

Patent

active

061442291

ABSTRACT:
A sensor device is disclosed having a controller (9) which defines at least a first operating state (b1) and a second operating state (b2), the first operating state being preferably triggerable by application of a supply voltage (U.sub.B). A setting facility (5) adapts the operating range of a measuring facility (2) quickly to the respective DC level (s0) of a sensor signal (s1) in the first operating state (b1), and determines a mean sensor signal value (sm) for tracking purposes in the second operating state (b2). An output circuit (4) provides a first output signal (s3) independent of the sensor signal (s1) in the first operating state and a second output signal (s4) dependent on the superposed sensor signal (s2) in the second operating state (b2).

REFERENCES:
patent: 5166550 (1992-11-01), Matsubara et al.
patent: 5260614 (1993-11-01), Theus et al.
patent: 5406202 (1995-04-01), Mehrgardt et al.
Patent Abstracts of Japan, vol. 96, No. 5, Mar. 31, 1996.
Copy of European Patent Office Search Report dated Sep. 4, 1998.

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