| 摘要 |
Field of the invention: Electronic lighting devices for stairwells. Constitution: The micro computer (11), the entrance units (2, 3, 4) and exit units (5, 6, 7, 8). The following innovative possibilities are offered upon pressure of the buttons of a commonly-used lighting system: permanent lighting, locking and unlocking of the central entry, alarm actuation, ordinary common-use lighting, blinking warning before light cut-off; autonomous operation in case of power interruption thanks to its own power source; no change of the existing lighting installation is needed for the application of saidsystem; programming of the locking or unlocking of buildings in the hours and days desired. |
