Exit Sign Abstract An EXIT sign utilizes a flat fluorescent lamp for illuminating the word EXIT through a stencil. The sign also includes a phosphorescent material which cooperates with the stencil to display the word EXIT when power to the lamp is c...
Exit Sign Abstract An emergency exit sign utilizes an EL lamp in combination with a pilot light which is connected to the EL lamp via a photoelectric link. The photoelectric link monitors the brightness of the EL lamp and keeps the pilot light on so...
Exit Sign Abstract An emergency exit sign auxiliary lamp flashing system operates from self-contained rechargeable batteries upon failure of the electrical power from the AC power mains supplying power to the exit sign, including a charging circuit f...
Exit Sign Abstract An illuminating lamp assembly (20,20) for supporting fluorescent tubes in an exit sign (10) including a body (22) for supporting a pair fluorescent tubes (24) and an electrical connector (26) rotatable about a first axis for thread...
Exit Sign Abstract An illuminated exit sign having a novel layered arrangement including a multiplicity of miniature incandescent light bulbs. The light bulbs are mounted on a lamp assembly board in such a manner as to spell out the word EXIT. A plas...
Exit Sign Abstract In an exit sign, a plurality of rugged low voltage incandescent lamps are mounted on a printed circuit board to provide proper illumination. The lamps are positioned to provide indirect illumination to the EXIT stencilling of the e...
Exit Sign Abstract In a lighting fixture such as an exit sign, a light emitting diode lighting device is provided for mating engagement with an electrical socket of the lighting fixture. The light emitting diode device has a plurality of light emitti...
Exit Sign Abstract In a lighting fixture such as an exit sign, a mounting base assembly is provided on a light emitting diode lighting device for mating engagement with an electrical socket. Once full mating engagement is achieved between the electri...
Exit Sign Abstract In lighting fixture such as an exit sign, a light emitting diode lighting device is provided for mating engagement with an electrical socket of the lighting fixture. The light emitting diode lighting device has a plurality of light...
Exit Sign Abstract In a lighting fixture such as an exit sign, a light emitting diode lighting device is provided for mating engagement with an electrical socket of the lighting fixture. The light emitting diode device has a plurality of light emitti...
Exit Sign Abstract A lighting device (32) is provided to illuminate indicia (18) of an EXIT sign (10) having a sign housing (12) defining an enclosure (22) therein and having a primary electrical power source. The lighting device is provided with a r...
Exit Sign Abstract In an exit sign, an insertable battery pack module is designed to fit in the lower portion of the exit sign housing. This battery pack module incorporates a pair of lamps as well as a battery, battery charger and transfer circuitry...
Exit Sign Abstract This invention allows conversion from AC or DC line voltage between 70 and 424 volts to small loads between 2.5V and 18V DC for charging of batteries and operating of small loads. The invention uses a topology including two flyback...
Exit Sign Abstract A system for testing the electrical integrity of an illuminated exit sign alternately powered by a battery, rechargeable from a source of alternating current power. The system includes an alarm for indicating an electrical failure,...
Exit Sign Abstract An exit sign lighting system comprising, in combination a housing having the word EXIT formed in an opening wall thereof, a translucent member in said opening, a gas discharge device, such as a fluorescent tube is driven from a sou...
Exit Sign Abstract In an exit sign, a cover member for an emergency exit sign has a pair of hook members on its bottom wall and a pair of resilient spring finger members on its top wall. The hook members are dimensionally sized and appropriately posi...
Exit Sign Abstract Internally illuminated emergency signs are typically placed in elevated locations which are awkward for electricians to reach, yet must be securely mounted. It is therefore difficult and time-consuming to make wiring connections af...