ALEXANDRIA, Va., Aug. 18 -- United States Patent no. 12,710,683, issued on Aug. 18, was assigned to GODOX PHOTO EQUIPMENT Co. LTD. (Shenzhen, China).
"External flash and flash system" was invented by Weijun Zeng (Shenzhen, China).
According to the abstract* released by the U.S. Patent & Trademark Office: "An external flash lamp and a flash lamp system. The flash lamp system comprises an external flash lamp and a set-top flash lamp. After the external flash lamp is detachably fixed to the set-top flash lamp, the external flash lamp can be electrically connected to the set-top flash lamp, so as to transmit a control signal and an operating current. The illumination range of the external flash lamp can supplement the illumination range of th...