Asahi Research Corporation

Kabushiki Kaisha Sunpak

Hideo Yagi

Masahiro Yamada

A light unit is combined with circuitry which monitors the charge level of a battery of the light unit or a video camera or camcorder connected to the light unit. With two lights of different wattages, three different constant loads can be applied while observing, in each case, LED indicators each deenergized at a certain voltage level, resulting in an accurate and reliable indication of charge level. The voltage levels are selectable in accordance with the type of battery being monitored and a bridge rectifier allows reversal of battery polarity.

Combination light unit and battery monitor device

An electronic flash unit is disclosed which includes one flashlamp arranged to illuminate an object from the front side thereof and another flashlamp which is rotatably mounted and arranged to direct light at an angle such as to illuminate the object after reflection. Circuitry is provided for accurately controlling the relative illumination provided by the lamps and also for obtaining the optimum total exposure.

Growing community of inventors

Tokyo, Japan

Hideo Yagi