Anthony Maglica: Variable light beam flashlight and recharging unit. Mag Instrument, Paul L Gardner, June 14, 1983: US04388673 (165 worldwide citation)

The flashlight of the invention includes an improved mechanism for selectively varying the light beam intensity and area. The mechanism includes a cam member, and abutting head and outer switch housing shoulders, which enable movement of the bulb forwardly and rearwardly relative to the light reflec ...


Kevin J Dowling: Indication systems and methods. Color Kinetics, Lowrie Lando & Anastasi, April 26, 2005: US06883929 (152 worldwide citation)

Methods and apparatus for generating an information signal. Exemplary methods and apparatus may comprise (A) electrically associating at least one LED with a Seebeck power generator; (B) thermally associating the Seebeck power generator with a surface; and (C) heating the surface to cause the Seebec ...

Anthony Maglica: Miniature flashlight. Spensley Horn Jubas & Lubitz, March 18, 1986: US04577263 (152 worldwide citation)

A miniature flashlight comprising a barrel, a tail cap, a head assembly, and a miniature bulb holder and providing interruptible contact to batteries within the barrel. The bulb holder comprises an insulated receptacle disposed external to the barrel end which the head assembly engages, a second ins ...

Lloyd T Jenkins: Low power safety flasher. Kelly O Corley, April 9, 1991: US05006971 (148 worldwide citation)

A miniature strobe-type flashing safety light source, to be worn by a person or pet after dark. A plurality of high-intensity LED's producing a total of at least 6 candelas when energized are surrounded by a striated refracting lens, the axes of the intense light cones being oriented between 20 and ...

Lee K Bieberstein: Miniature flashlight. Lite Tek International, Knobbe Martens Olson and Bear, March 22, 1988: US04733337 (147 worldwide citation)

A waterproof flashlight wherein the flashlight is activated by means of a switch located in the flashlight's end cap. Another aspect of the invention being the orientation of the positive terminals of the flashlight's batteries away from the head assembly.

Steven Robert Vetorino, James Victor Platt, Douglass Anderson Springer: Renewable energy flashlight. Applied Innovative Technologies Incorporated, Jennifer L Macheledt Bales & Johnson Bales, November 2, 1999: US05975714 (146 worldwide citation)

A renewable energy flashlight comprises a housing and a barrel located within the housing. The barrel has a wire coil wrapped around it, between the barrel and the housing. A magnet disposed within the barrel oscillates within the barrel when the barrel is shaken, generating an alternating current i ...

George T Metroyanis: Illumination cell for a votive light. Fitch Even Tabin & Flannery, November 9, 1999: US05980064 (138 worldwide citation)

An electronic votive light suitable for outdoor applications. The electronic votive light may be formed from a standard votive light assembly and an illumination cell with the same form factor as a candle used in a standard votive light in order to enable the illumination cell to be disposed within ...

Gary A Lebens, Charles T Bourn, Charles A Lemaire: Method and apparatus for L.E.D. illumination. PPT Vision, Schwegman Lundberg Woessner & Kluth P A, October 23, 2001: US06305818 (131 worldwide citation)

Improved method and apparatus for hand-held portable illumination. A flashlight and corresponding method are described. The flashlight includes a housing, a plurality of LEDs, and an electrical circuit that selectively applies power from the DC voltage source to the LED units, wherein the flashlight ...

Hang bok Lee: Hand-carried traffic control light. Shlesinger Arkwright & Garvey, April 22, 1997: US05622423 (127 worldwide citation)

A hand-carried traffic control light having signaling and flashing functions is disclosed. The above light has a cylindrical handle receiving batteries and a switch cap with a multistage switch. A longitudinal LED carrier that is formed of a PCB and has a plurality of openings is electrically couple ...