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US 2009/0013791 A1Published application
Pressure sensor circuits
AssigneeProteus Biomedical, Inc.
InventorsMARK ZDEBLICK, Lawrence Arne, Nilay Jani, Haifeng Li
Life of this patent
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Abstract
Implantable pressure sensors and methods for making and using the same are provided. A feature of embodiments of the subject pressure sensors is that they are low-drift sensors. The subject sensors find use in a variety of applications.
Claims15
A method for measuring cardiac pressure, the method comprising:
- providing a power supply voltage for a number of control chips over two wires, each control chip coupled to one or more pressure sensors;
- transmitting a number of bit sequences carrying address information with the power supply voltage over the two wires;
- configuring a pressure sensor for measuring cardiac pressure;
- and
- receiving a digital signal indicating a measured cardiac pressure.
2 more elements
A method for measuring cardiac pressure, the method comprising:
- receiving a power supply voltage over two wires;
- receiving a number of bit sequences carrying address information with the power supply voltage over the two wires;
- configuring a pressure sensor for measuring cardiac pressure;
- and
- transmitting a digital signal indicating a measured cardiac pressure.
2 more elements
An integrated circuit for measuring cardiac pressure, the integrated circuit comprising:
- a first terminal;
- a second terminal;
- and
- a control circuit coupled to the first and second terminals wherein, during a first time interval, when digital configuration signals are provided from the controller on the first terminal, the control circuit selectively configures a selected pressure sensor, and wherein, during a second time interval, the control circuit administers electrical signals to the pressure sensor and measures a response voltage from the pressure sensor.
1 more element
Dependencies are inferred from the claim text.