US Patent No. 10,602,590

ISOLATION OF DIGITAL SIGNALS IN A LIGHTING CONTROL TRANSCEIVER


Patent No. 10,602,590
Issue Date March 24, 2020
Title Isolation Of Digital Signals In A Lighting Control Transceiver
Inventorship Dalibor Zulim, Conyers, GA (US)
Stefan-Cristian Rezeanu, Greenville, SC (US)
Nathaniel Christopher Herwig, Lawrenceville, GA (US)
Assignee ABL IP HOLDING LLC, Atlanta, GA (US)

Claim of US Patent No. 10,602,590

1. A transceiver in a digital addressable lighting interface (“DALI”) controller system, the transceiver including:a transmission sub-circuit,
a receiver sub-circuit, and
a digital isolation component comprising at least one channel and an isolation barrier, wherein an input of the transmission sub-circuit is coupled to a first output of the digital isolation component and an input of the receiver sub-circuit is coupled to a second output of the digital isolation component,
wherein the digital isolation component is capable of:
accepting, on a first input of the digital isolation component, an outbound digital signal comprising an encoded instruction for a DALI lighting component, wherein the first input is provided to a first channel of the digital isolation component, and the first input is on an isolated side of the isolation barrier;
modulating the outbound digital signal with a high-frequency signal;
coupling the modulated high-frequency signal across the isolation barrier to a non-isolated side of the isolation barrier;
demodulating, on the non-isolated side of the isolation barrier, the modulated high-frequency signal;
generating a modified outbound digital signal based on the demodulated signal, wherein the modified outbound digital signal comprises the encoded instruction; and
providing, on the first output of the digital isolation component to the input of the transmission sub-circuit, the modified outbound digital signal, wherein the first output is provided from the first channel.