Title of Invention

A KEYBOARD

Abstract A keyboard 10 includes a housing 12. An alphanumeric keypad 14 is carried by the housing 12. A printer 16 is arranged in the housing 12. Fig. 1
Full Text File Name : AP75 PCT Speci as amended.doc
Field of Invention
This invention relates to a keyboard. More particularly, the invention relates to a computer keyboard.
Background to the Invention
Printers for use with computers can be relatively expensive devices. Accordingly, in a work environment, it is common for a plurality of work stations to be serviced by a single printer station with the computers of those work stations communicating with the printer.
This necessitates people at the work station having to get up and collect their documents from the printer which can be time wasting. Often, all that is required is a single sheet of paper, for example, where a letter is to be generated or where an image is to be viewed and a hard copy of the image is required.
Desktop inkjet printers are available at low cost, but typically take up substantial desk space. Incorporation of the printing function in a desktop computer keyboard frees up this desk space.
While it is technically possible to incorporate a scanning inkjet printer into a keyboard, this has several disadvantages, including excess bulk, and side-to-side vibration as the printhead scans.

Recently, the present inventor has invented inkjet printer technologies suitable for incorporation in a desktop keyboard, such as:
6.227.652 6,213,588 6,213,589 6,231,163 6,247,795 09/113,099 6,244,691 6,257,704 09/112,778 6,220,694 6,257,705 6,247,794 6,234,610 6,247,793 6,264,306 6,241,342 6,247,792 6,264,307 6,254,220 6,234,611 09/112,808 09/112,809 6,239,821 09/113,083 6,247,796 09/113,122 09/112,793 09/112,794 09/113,128 09/113,127
6.227.653 6,234,609 6,23 8,040 6,188,415 6,227,654 6,209,989 6,247,791 09/112,764 6,217,153 09/112,767 6,243,113 09/112,807 6,247,790 6,260,953 6,267,469 09/425,419 09/425,418 09/425,194 09/425,193 09/422,892 09/422,806 09/425,420 09/422,893 559/CHENP/03 560/CHENP/03 561/CHENP/03 562/CHENP/03 563/CHENP/03 564/CHENP/03 IN/PCT/2002/01916/CHE
These ink jet technologies are suitable for the construction of miniature, low cost pagewidth printers, which can readily fit within a keyboard form factor.
Summary of the Invention
Accordingly the present invention a keyboard which includes a housing;
an alphanumeric keypad carried by the housing, the keypad including key switches
mounted on a circuit board;
a page width printer arranged in the housing; and,
a feed mechanism for feeding sheets from an input slot to the printer, the feed mechanism
being positioned between the circuit board and an underside of the housing.
The housing has dimensions approximating those of a standard computer keyboard, the housing having an ejection slot along one, longer side through which print media can be ejected after an image has been printed on the print media by the printer.

Preferably, the housing includes an input slot along an opposed, longer side for feeding print media to the printer. Typically, the print media is in the form of sheets of paper to be fed to the printer one sheet at a time.
The keyboard may include a feed means arranged in the housing for feeding the print media from the input slot to the printer. The feed means may be arranged within the housing and may be in the form of a belt drive arrangement for feeding the print media to the printer.
Further, the keyboard may include an engaging means arranged intermediate the printer and the ejection slot for feeding the print media out of the ejection slot. Thus, the engaging means may be arranged downstream of the printer and may be in the form of one or more spiked wheels which grip and transport the print media to the ejection slot.
As indicated above, the keyboard is particularly intended for use with a computer. Accordingly, the keypad may include a standard, QWERTY keypad, a numerals keypad and a plurality of control keys.
The housing may include an access opening for enabling an ink supply of the printer to be replenished. The access opening may be closed off by a lid in a top surface of the housing. The ink supply of the printer may include a removable ink cartridge which is accessed through the access opening of the housing.
Preferably, the printer is a full color printer. The printer may be a photo quality printer.
The printhead may comprise an array of nozzles, said array being fabricated by microelectromechanical (MEMS) techniques.
According to a second aspect of the invention, there is provided a computer keyboard which includes
a housing having an array of keys carried thereon and defining a chamber;

a pagewidth ink jet printer arranged within the chamber of the housing; and
an input slot in one side of the housing for feeding print media to the printer and an
ejection slot in an opposed side of the housing through which the print media is ejected
after printing.
Brief Description of the Drawings
The invention is now described by way of example with reference to the accompanying diagrammatic drawings in which:
Figure 1 shows a three dimensional view of a keyboard, in accordance with the invention;
Figure 2 shows a sectional side view of the keyboard; and
Figure 3 shows, on an enlarged scale, a sectional side view of part of the keyboard.
Detailed Description of the Drawings
In the drawings, reference numeral 10 generally designates a keyboard in accordance with the invention. The keyboard 10 is intended particularly for use with a computer. The keyboard 10 comprises a housing 12 on which a keypad 14 is arranged. A printer 16 (Figures 2 and 3) is contained in a chamber 18 defined in the housing 12 of the keyboard 10.
The housing 12 is dimensioned similarly to a conventional computer keyboard and is substantially rectangular when viewed in plan having a pair of opposed, longer sides and a pair of opposed, shorter sides. An input slot 22 is defined in one of the longer sides of the housing 12 for feeding print media in the form of a sheet of paper 24 to the printer 16. Preferably, the input slot 22 is defined in that side of the housing 12 which, in use, is closer to a user of the keyboard 10.

An ejection slot 26 is defined in an opposed, longer side of the housing through which the sheet of print media, incorporating an image 28, is ejected after completion of printing. An exit tray 30 extends outwardly from the ejection slot 26 on to which the sheet of paper 24 is fed after printing.
The keypad 14 includes an array if keys 38 arranged in a QWERTY keypad 32, a numerals keypad 34 and a plurality of control keys 36. Each key 38 of the keypad 14 includes a key cap 40 which communicates with a keyboard circuit board 42 (Figures 2 and 3) through an opening in a top surface of the housing 12. The key caps 40 engage key switches 44 mounted on the circuit board 42.
The printer 16 comprises a page width ink jet printhead 46 mounted in a support 48. The printhead 46 is a multi-color printhead for printing photo quality images 28. Accordingly, the support 48 includes a plurality of galleries 50, each of which contains a different color ink to be fed via passages 52 to the printhead 46.
The printer 16 includes a controller printed circuit board (PCB) 55. The PCB 55 receives printing commands from the computer (not shown) via a USB connector 56 (Figure 1). A printhead PCB 54 communicates with the printhead 46 via a TAB automated bond film 58 or any other suitable, flexible film. The controller PCB 55 connects to the printhead PCB 54 via a flexible film.
A retaining device, in the form of a locking member 60, releasably locks the printer 16 in position in the chamber 18 of the housing 12. The locking device 60 includes a camlike locking member 62.
Further, the printer 16 includes an ink supply cartridge (not shown) for feeding ink to the galleries 50 of the printhead support 48. The ink supply cartridge is accessed through an opening, closed off by a lid 64 (Figure 1), in a top surface of the housing 12 to replace the cartridge when its supply of ink has been depleted.

The keyboard 10 includes a feed mechanism 66 for feeding the sheet of paper 24 to the printer 16. The feed mechanism 66 comprises an endless belt 68 which is rotated by a drive roller 70 and extends about an opposed, idler roller 72. A planar member in the form of a sprung metal plate 74 bears against the belt 68 to maintain the planarity of the belt 68 and, accordingly, the sheet of paper 24.
An engaging means, in the form of at least one spiked wheel 76, is arranged intermediate the printer 16 and the ejection slot 26. The, or each, spiked wheel 76 engages the sheet of paper 24, after printing of the image 28, and feeds the sheet of paper 24 through the ejection slot 26 to be accessed by the user.
In use, when an image 28 is to be printed, the user inserts a sheet of paper into the keyboard through the input slot 22 where it is fed to the printer 16 by the feed arrangement 66. By means of an appropriate command via the computer, the information or image to be printed is fed to the printer 16 via the USB connector 56 and the controller PCB 55. The printer 16 is controlled by the PCB 55 to print the image 28 on the sheet of paper 24 and to cause ejection of the sheet of paper 24 together with its printed image 28 thereon through the ejection slot 26.
It is an advantage of the invention that a computer peripheral is provided which enables a person rapidly to obtain copies of images while seated before the person's computer. In this regard, it is to be noted that the printer 16 is a high speed printer which can print at rates of up to 30 pages per minute. Hence, the need for using a communal work station is obviated. In addition, the incorporation of the printer within the keyboard 10 considerably reduces the space required for a computer together with its peripherals and, in so doing, providing more space to a user. It will be appreciated that this can be of major benefit where the work station is a confined working space.


WE CLAIM:
1. A keyboard which comprises a housing;
an alphanumeric keypad carried by the housing, the keypad comprising key switches
mounted on a circuit board;
a page width printer arranged in the housing; and,
a feed mechanism for feeding sheets from an input slot to the printer, the feed mechanism
being positioned between the circuit board and an underside of the housing.
2. The keyboard of claim I in which the housing has dimensions approximating those of a computer keyboard, the housing having an ejection slot in one side through which print media can be ejected after an image has been printed on the print media by the printer.
3. The keyboard of claim 2 in which the input slot is in an opposed side of the housing to the ejection slot.
4. The keyboard of claim 2 or claim 3 which comprises an engaging means arranged intermediate the printer and the ejection slot for feeding the print media out of the ejection slot.
5. The keyboard of any one of the claims I to 4 in which the keypad comprises a QWERTY keypad, a numerals keypad and a plurality of control keys.
6. The keyboard of anyone of the claims I to 5 in which the housing comprises an access opening for enabling an ink supply of the printer to be replenished.

7. The keyboard of claim 6 in which the ink supply of the1 printer comprises an ink cartridge which is accessed through the access opening of the housing.
8. The keyboard of anyone of the claims I to 7 in which the printer is a full color printer.
9. The keyboard of claim 8 in which the printer is a photo quality color printer.
10. The keyboard of any one of the claims 1 to 9 in which the printhead comprises an array of nozzles, said array being fabricated by microelectromechanical techniques.
11. A computer keyboard which comprises
a housing having an array of keys carried thereon, and defining a chamber; a page width inkjet printer arranged within the chamber of the housing; and
an input slot in one side of the housing for feeding print media to the printer and an ejection slot in an opposed side of the housing through which the print media is ejected after printing.


Documents:

422-chenp-2004 abstract duplicate.pdf

422-chenp-2004 abstract granted.pdf

422-chenp-2004 claims duplicate.pdf

422-chenp-2004 claims granted.pdf

422-chenp-2004 description (complete) duplicate.pdf

422-chenp-2004 description (complete) granted.pdf

422-chenp-2004 drawings duplicate.pdf

422-chenp-2004 drawings granted.pdf

422-chenp-2004-abstract image.jpg

422-chenp-2004-abstract.pdf

422-chenp-2004-assignement.pdf

422-chenp-2004-claims.pdf

422-chenp-2004-correspondnece-others.pdf

422-chenp-2004-correspondnece-po.pdf

422-chenp-2004-description(complete).pdf

422-chenp-2004-drawings.pdf

422-chenp-2004-form 1.pdf

422-chenp-2004-form 26.pdf

422-chenp-2004-form 3.pdf

422-chenp-2004-form 5.pdf

422-chenp-2004-other.doc.pdf

422-chenp-2004-pct.pdf


Patent Number 202942
Indian Patent Application Number 422/CHENP/2004
PG Journal Number 05/2007
Publication Date 02-Feb-2007
Grant Date 08-Nov-2006
Date of Filing 27-Feb-2004
Name of Patentee M/S. SILVERBROOK RESEARCH PTY LTD
Applicant Address 393 DARLING STREET, BALMAIN, NEW SOUTH WALES 2041, AUSTRALIA
Inventors:
# Inventor's Name Inventor's Address
1 KING, TOBIN, ALLEN 393 DARLING STREET, BALMAIN, NEW SOUTH WALES 2041, AUSTRALIA
2 SILVERBROOK, KIA 393 DARLING STREET, BALMAIN, NEW SOUTH WALES 2041, AUSTRALIA
PCT International Classification Number B41J3/44
PCT International Application Number PCT/AU02/01052
PCT International Filing date 2002-08-06
PCT Conventions:
# PCT Application Number Date of Convention Priority Country
1 09/966,293 2001-09-28 U.S.A.