High-duration of illumination portable lighting device having manually actuated generator

• Main Authors: CHANG CHUNG-MING, CHANG TUNG-TSAI
• Format: Patent
• Language: English
• Published: 25.01.2007
• Subjects: BLASTING; FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMSTHEREOF; HEATING; INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21Sand F21V, RELATING TO THEFORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THELIGHT EMITTED; LIGHTING; LIGHTING DEVICES OR SYSTEMS THEREOF, BEING PORTABLE ORSPECIALLY ADAPTED FOR TRANSPORTATION; MECHANICAL ENGINEERING; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHERARTICLES, NOT OTHERWISE PROVIDED FOR; WEAPONS

A portable long-running lighting device having a manual power generator of the present invention can generate electricity effectively and also can radiate for a long time. The portable long-running lighting device includes a manual power generator module, an electricity storage module, an LED (light-emitting diode) module and a housing. The manual power generator module includes an electricity generator, a transmission mechanism and a base. The electricity storage module is coupled to an electricity generator of the manual power generator module. The LED module includes a plurality of light-emitting diodes and a circuit. The circuit further includes a power saving circuit coupled between the electricity storage module and the light-emitting diodes. With a three-stage discharge mode, a discharge speed of the electricity storage module can be stabilized, so as to achieve an electricity saving effect.