Patent ReferencesLighting devices Combination switch light and rechargeable flashlight Plug-in emergency light fixture Patent #: 4631649 InventorApplicationNo. 377046 filed on 01/23/1995US Classes:362/95, WITH SWITCH PLATE OR SOCKET200/312, Having additional indicating means200/317, Light visible through housing362/20, AUTOMATIC SUBSTITUTION OF POWER SUPPLY OR LIGHT SOURCE362/183Rechargeable electrical source of with external connectionsExaminersPrimary: Husar, Stephen F.Attorney, Agent or FirmInternational ClassF21V 033/00AbstractThe present invention provides a housing for an emergency light source which is electrically connectable to a conventional light switch. The housing replaces a conventional switch plate and has at least one opening for receiving the switch actuator of the light switch. The replacement housing includes wires for electrical connection to the light switch and is divided into upper and lower housing sections, wherein the upper section includes a battery compartment, a printed circuit board compartment, and an opening to receive the switch actuator. The lower housing section includes a compartment for receiving a compact fluorescent lamp, reflectors, and a diffuser cover. The printed circuit board includes a recharger for the batteries; a power-sensing device for sensing power interruption; an ON/OFF relay switch which is turned on in response to a power failure and actuates the emergency light source; a LED charging indicator light to show that the batteries are charging; a manual test switch; and a transformer, a fluorescent ballast, and starter components for the fluorescent lamp. | |