D.H.S. Digijock Home Security ECE477 – Team 7 Linda Stefanutti Zach Smith Stuart Pulliam Will Granger Patent Liability Analysis

Patent: 10,909,354 – Home Security System Sensors installed in home and connected to home network Allows device to be controlled from an external network Doctrine of Equivalence 2

Patent: 5,705,988 – Photoelectric Smoke Detector Same method used to Detect Smoke Photo-Emitter Photo-Sensor ATD Conversion Literal Infringement 3

Patent: 20,080,007,403 – Home Security System Integrating local wireless network IEEE Wireless Protocol for Home Security System ZigBee (Xbee) Literal Infringement Digijock Home Security - Software Design Narrative4