Fire Alarms TRIZ Cases
- Lighting Switch With DC Auxiliary Power During AC Cutoff
A segmented switch and rectifier keep auxiliary loads powered with DC when AC to the light source is cut, reducing battery replacement.
- Dual-Power Smoke Alarm for Outage Backup and Low Maintenance
A mains-linked alarm with a sealed long-life battery switches power automatically to keep smoke detection active during outages and reduce battery upkeep.
- Lighting Switch Circuit for Continuous Auxiliary DC Power
A switch and AC-DC converter keep auxiliary loads powered when AC to the light source is disconnected, reducing battery replacement needs.