Utc Fire & Security Americas Corporation, Inc.

Richard Philip Tucker

William H Edwards

Donald Edward Becker

Wei Zhu Chen

Laigui Qin

Baohua Shu

A power system includes one or more notification circuits for powering notification devices, a backup power source, and a plurality of primary power supplies. The primary power supplies are configured to provide a combined current to the notification circuits. Each primary power supply regulates its output current to equal a highest output current provided by one of the primary power supplies so that each contributes approximately the same current to the load. The primary power supplies also include boost regulator circuits for boosting the voltage of the backup power supply.

Load-sharing and boost voltage for notification appliance circuits

A system and method for operating a security system include a device control module configured for electronic communication with a plurality of devices and a user interface coupled in electronic communication with the device control module. The user interface includes a voice memory and a first speaker. The user interface is configured to receive a first system event from the device control module identifying a first condition detected by the security system. The user interface is further configured to retrieve a voice message from the voice memory corresponding to the first system event and transmit the voice message via the first speaker.

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Bradenton, FL, United States of America

Richard Philip Tucker