IP Library Granted Patent US 7,182,431
Granted Patent B2
US 7,182,431 · App. 11/336,796 · Granted Feb 27, 2007

Nozzle arrangement

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Quick Facts
Patent No.
US 7,182,431
App. No.
11/336,796
Granted
Feb 27, 2007
Kind
B2
Abstract

A printhead for printing images, the printhead comprising a plurality of ink reservoirs ( 3 ) and groups of nozzles ( 361, 362, 363 ), the groups of nozzles ( 361, 362, 363 ) arranged such that a nozzle ( 1 ) in a group ( 361, 362, 363 ) shares an ink reservoir ( 3 ) with another nozzle ( 1 ) of the group ( 361, 362, 363 ), each group ( 361, 362, 363 ) being associated with a respective ink reservoir ( 3 ).

Claims (18)

1. A printhead for printing images, the printhead comprising:

a plurality of ink reservoirs; and,

groups of nozzles, the groups of nozzles arranged such that a nozzle in a group shares an ink reservoir with another nozzle of the group, each group being associated with a respective ink reservoir; and,

at least one tripod, each tripod comprising a first group of nozzles, a second group of nozzles and a third group of nozzles.

2. The printhead of claim 1 , wherein each group of nozzles comprises of a first row of nozzles and a second row of nozzles.

3. The printhead of claim 2 , wherein the first row of nozzles are adapted to print even dots from a first line on a page.

4. The printhead of claim 3 , wherein the second row of nozzles are adapted to print odd dots from another line adjacent the first line on the page.

5. The printhead of claim 1 , wherein each nozzle in the group has a firing order.

6. The printhead of claim 1 , wherein each group of nozzles represents any one of:

Cyan;

Magenta; and,

Yellow.

7. The printhead of claim 1 , wherein the printhead comprises of at least one podgroup, the at least one podgroup comprising of a plurality of tripods.

8. The printhead of claim 1 , wherein the printhead comprises of at least one firegroup, the at least one firegroup comprising of a plurality of podgroups.

9. The printhead of claim 1 , wherein the prinhead comprises of at least one segment, the at least one segment comprising of a plurality of firegroups.

10. The printhead of claim 1 , wherein the printhead includes 8 segments, each segment comprising of 4 firegroups, each firegroup comprising of 2 podgroups, and each podgroup comprising of 10 tripods.

11. The printhead of claim 1 , wherein each group of nozzles includes 10 nozzles.

12. The printhead of claim 11 , wherein 96 nozzles are adapted to be fired at any one time.

Assignments (3)
CHANGE OF NAME Recorded Jun 25, 2014
From: ZAMTEC LIMITED
To: MEMJET TECHNOLOGY LIMITED
Reel/Frame 033244/0276 →
OPTION Recorded Jul 13, 2012
From: SILVERBROOK RESEARCH PTY. LIMITED AND CLAMATE PTY LIMITED
To: ZAMTEC LIMITED
Reel/Frame 028549/0189 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 23, 2006
From: SILVERBROOK, KIA
To: SILVERBROOK RESEARCH PTY LTD
Reel/Frame 017501/0992 →