US Patent Issued to SIGNIFY HOLDING on March 17 for "Protection circuit for use in a lighting circuit" (Chinese Inventors)

ALEXANDRIA, Va., March 17 -- United States Patent no. 12,581,578, issued on March 17, was assigned to SIGNIFY HOLDING B.V. (Eindhoven, Netherlands).

"Protection circuit for use in a lighting circuit" was invented by Chenghu Luo (Shanghai) and Lijun Zhou (Shanghai).

According to the abstract* released by the U.S. Patent & Trademark Office: "A protection circuit is provided comprising a voltage clamping circuit and a discharge circuit connected between the voltage clamping circuit and the ground. The discharge circuit has, in series, a gas discharge tube component and a controllable voltage triggering circuit with a triggering threshold. A hi-pot test voltage is insufficient to trigger the voltage triggering circuit and a low current is con...