Light emitting control device and method thereof for light emitting diode print head
US8482589B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 18, 2010 |
| Grant date | Jul 9, 2013 |
| Priority date | — |
| Expiry date | Nov 15, 2031 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04N1/40056
- WIPO fieldAudio-visual technology
- WIPO sectorElectrical engineering
Abstract
A light emitting control device for a light emitting diode print head includes a control unit, a pulse-mask unit, a strobe unit and a data output unit. The pulse-mask unit outputs n clock signals in sequence to a light emitting diode print head. The strobe unit outputs a strobe signal to the light emitting diode print head, so as to switch on the light emitting diode print head. The data output unit outputs a print data signal to the light emitting diode print head. When the pulse-mask unit outputs a k-th clock signal of the n clock signals, the pulse-mask unit delays the k-th clock signal for a predetermined time, and the data output unit pauses outputting the print data signal. After the predetermined time, the pulse-mask unit and the data output unit continue to output the rest of the clock signals and the print data signal.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.