IP Library Granted Patent US 8,113,641
Granted Patent B2
US 8,113,641 · App. 12/778,086 · Granted Feb 14, 2012

Printing cartridge with radio frequency identification

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Quick Facts
Patent No.
US 8,113,641
App. No.
12/778,086
Granted
Feb 14, 2012
Kind
B2
Abstract

A printing device includes: a processor; a printing cartridge having a housing and a supply of media; a memory storing at least one of: (a) a plurality of values representing various characteristics of the printing cartridge, and (b) a script containing instructions relating to an operation of a printhead of the print device; a data lookup table storing a plurality of first codes, each of the first codes corresponding either one of the plurality of values stored in the memory, or the script; a radio frequency tag embedded within the housing of the printing cartridge and carrying one or more second codes; and a radio frequency tag reader communicating the one nor more second codes to the processor. The processor applies an algorithm to the one or more second codes to identify a first code associated therewith, and further determines a value or a script stored in the memory corresponding to the identified first code.

Claims (12)

1. A printing device comprising:

a processor;

a printing cartridge having a housing and a supply of media;

a memory storing at least on of: (a) a plurality of values representing various characteristics of the printing cartridge, and (b) a script containing instructions relating to an operation of a printhead of the print device;

a data lookup table storing a plurality of first codes, each of the first codes corresponding either one of the plurality of values stored in the memory, or the script;

a radio frequency tag embedded within the housing of the printing cartridge and carrying one or more second codes; and

a radio frequency tag reader communicating the one or more second codes to the processor, wherein

the processor applies an algorithm to the one or more second codes to identify a first code associated therewith, and further determines a value or a script stored in the memory corresponding to the identified first code.

2. A printing device as claimed in claim 1 , wherein the radio frequency tag is a passive radio frequency tag.

3. A printing device as claimed in claim 1 , wherein the radio frequency tag reader includes an antenna-capacitor circuit for emitting a radio wave field for powering the radio frequency tag.

4. A printing device as claimed in claim 1 , wherein the printing cartridge further comprises a supply of media colorant within the housing.

5. A print device as claimed in claim 1 , wherein the plurality of values stored in the memory include: a serial number identifying the media colorant, a viscosity of the media colorant, a surface tension of the media colorant, optical characteristics of the media colorant, and an optimal ink drop volume of the media colorant corresponding to the type of media.

Assignments (3)
CHANGE OF NAME Recorded Jun 25, 2014
From: ZAMTEC LIMITED
To: MEMJET TECHNOLOGY LIMITED
Reel/Frame 033244/0276 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 10, 2012
From: SILVERBROOK RESEARCH PTY. LIMITED AND CLAMATE PTY LIMITED
To: ZAMTEC LIMITED
Reel/Frame 028524/0813 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 11, 2010
From: SILVERBROOK, KIA
To: SILVERBROOK RESEARCH PTY LTD
Reel/Frame 024368/0886 →