Emergency lighting
First Claim
1. An emergency lighting system comprising at least one light unit and at least one sensor operable to activate the at least one light unit, characterized in that at least one of the light units is operable to adopt a selected one of at least two illuminated states depending on the state of at least one of said at least one sensor and in accordance with instructions from a data processing unit comprising part of said system, wherein each illuminated state provides discrete and different instructions and information to a viewer and wherein at least one light unit includes a plurality of light elements arranged in a pattern that enables said light elements, when illuminated, to provide a directional indicator.
0 Assignments
0 Petitions
Accused Products
Abstract
An emergency lighting system comprising light units and sensors, such as heat detectors, smoke detectors and motion detectors, operable to activate the light units. In the preferred embodiment, the light units are operable to adopt a selected one of at least two illuminated stated depending on the state of the sensors. Each illuminated state may involve the display of a symbol, text message or illumination pattern such as an arrow or a warning indicator, and/or may involve the emission of a respective illumination color. The emergency lighting system may be associated with a set of stairs in order to illuminate the stairs when activated.
18 Citations
19 Claims
- 1. An emergency lighting system comprising at least one light unit and at least one sensor operable to activate the at least one light unit, characterized in that at least one of the light units is operable to adopt a selected one of at least two illuminated states depending on the state of at least one of said at least one sensor and in accordance with instructions from a data processing unit comprising part of said system, wherein each illuminated state provides discrete and different instructions and information to a viewer and wherein at least one light unit includes a plurality of light elements arranged in a pattern that enables said light elements, when illuminated, to provide a directional indicator.
Specification