Signal processing device and control device

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United States of America Patent

PATENT NO 10320359
APP PUB NO 20180175818A1
SERIAL NO

15574940

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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The present invention discloses a signal processing device for processing a differential signal from a sensor at a prescribed signal frequency, having a positive signal input (5-1), which is couplable to a positive sensor output of the sensor, and a negative signal input (6-1), which is couplable to a negative sensor output of the sensor, having a positive signal output (7-1) and having a negative signal output (8-1), having a first frequency-dependent resistance (C1H) between the positive signal input (5-1) and the positive signal output (7-1) and having a second frequency-dependent resistance (C1L) between the negative signal input (6-1) and the negative signal output (8-1), wherein the first and second frequency-dependent resistances (C1H, C1L) are designed to allow electrical signals at the prescribed signal frequency to pass in approximately unattenuated fashion, having a first voltage divider (11), which is arranged at least in part in parallel with the first frequency-dependent resistance (C1H) and is designed to divide a voltage between the positive signal input (5-1) and the positive signal output (7-1) using a prescribed ratio, having a second voltage divider (12), which is arranged at least in part in parallel with the second frequency-dependent resistance (C1L) and is designed to divide a voltage between the negative signal input (6-1) and the negative signal output (8-1) using a prescribed ratio. Further, the present invention discloses a control device for an electric machine.

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Patent Owner(s)

Patent OwnerAddress
ROBERT BOSCH GMBHPOSTFACH 30 02 20 70442 STUTTGART 70442

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bruckhaus, Tim Asperg, DE 9 16

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