PRESSURE SENSOR CIRCUITS
First Claim
Patent Images
1. 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 Assignments
0 Petitions
Accused Products
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.
61 Citations
15 Claims
-
1. 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. - View Dependent Claims (2, 3, 4, 5)
-
-
6. 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. - View Dependent Claims (7, 8, 9, 10)
-
-
11. 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. - View Dependent Claims (12, 13, 14, 15)
-
Specification