US Patent 7452041 Ink jet heater chip with internally generated clock signal

Patent 7452041 was granted and assigned to Lexmark International, Inc. on November, 2008 by the United States Patent and Trademark Office.

Overview Structured Data Issues Contributors Activity

Is a

Patent

Patent attributes

Current Assignee

Lexmark International, Inc.

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7452041

Date of Patent

November 18, 2008

Patent Application Number

10636928

Date Filed

August 7, 2003

Patent Primary Examiner

‌

Lam S Nguyen

Patent abstract

A method for generating a clock pulse train within a heater chip of an ink jet printer that is used to serially load data into the chip eliminates the need for an externally generated clock signal. These heater chips with internally generated clock signals allow for reduced print head cost.