Patent ID: 11881383
Assignee: ESSENTIUM IPCO, LLC
Field: Other special machines (Mechanical engineering)
Classification: CPC H  B | IPC B  H

Claim 12:
13. A three-dimensional printer, comprising:
a DBD disk configured to generate plasma;
a flyback transformer in electrical communication with the DBD disk; and
a control circuit configured to generate a primary AC voltage signal sent to the flyback transformer, wherein the flyback transformer transforms the primary AC voltage signal into a secondary AC voltage signal that is sent to the DBD disk, and wherein the control circuit comprises:
a switching regulator receiving a DC voltage signal, wherein the switching regulator modulates the DC voltage signal based on a variable duty cycle to create a modulated DC signal; and
a modulation circuit in electrical communication with the switching regulator, the modulation circuit introducing a frequency component to the modulated DC signal, wherein the primary AC voltage signal includes a variable duty cycle and a set frequency, and wherein the frequency component introduced into the modulated DC signal is representative of the set frequency of the primary AC voltage.