From UPS Backup Power Supply
Patent infringement: automated monitoring of backup power status by an attached computer. Power devices included uninterruptible power supply (UPS) and battery backup systems. Data interfaces included USB, serial, and direct connection.
The issues involved infringement by systems using standard Windows shutdown features and similar power sensing and shutdown processes initiated by a UPS.
Copyright © 2022 Arthur Zatarain, all rights reserved. Some images are modified for confidentiality
or illustration clarity. This site should not be used as a technical or legal reference.