Data interfacing apparatus of print head chip

Details Data interfacing apparatus of print head chip Data interfacing apparatus of print head chip

2011-06-14

2011-06-14

Luu, Matthew (Department: 2861)

Incremental printing of symbolic information

Ink jet

Controller

C347S009000, C326S030000

Reexamination Certificate

active

07959244

ABSTRACT:
A data interfacing apparatus and method of a print head chip are provided. The data interfacing apparatus includes a drive module to output a low-speed signal with a slow transmission speed and a high-speed signal requiring a fast transmission speed, a connection cable transmitting the low-speed signal and the high-speed signal, and a print head chip to operate in response to the low-speed signal and the high-speed signal transmitted through the connection cable, wherein the drive module includes multiplexers to perform a switching operation so that the connection cable is earthed to a ground in response to the high-speed signal, and wherein the print head chip includes de-multiplexers to perform a switching operation in response to the operation of the multiplexers.

REFERENCES:
patent: 5828386 (1998-10-01), Okada et al.
patent: 2002/0093248 (2002-07-01), Takahashi et al.
patent: 2005/0110814 (2005-05-01), Imai
patent: 2007/0139071 (2007-06-01), Nguyen

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