07647834 is referenced by 6 patents and cites 38 patents.

A system is disclosed for detecting an electrical sensor, the system includes a sensor signal processing circuit further comprising an input port to receive a connector including the output signal lines of the sensor, a resistor connected to the output signal line of said input port, wherein the resistor is connected to a predetermined voltage; a sensor circuit having a connector adapted to connect to the connector, wherein the sensor circuit has a resistance substantially less than the pull-resistor, and the sensor signal processing circuit detects an unconnected sensor based on the voltage applied by the resistor.

Title
Pressure sensor disconnect detection for a blood treatment device
Application Number
11/193423
Publication Number
7647834 (B2)
Application Date
August 1, 2005
Publication Date
January 19, 2010
Inventor
Jayne B Merrick legal representative
Stow
MA, US
Edwin B Merrick
Stow
MA, US
Mark Gelfand
New York
NY, US
John J O Mahony
Barna
IE
Agent
Nixon & Vanderhye P C
Assignee
CHF Solutions
MN, US
IPC
G01L 9/00
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