Patent application number | Description | Published |
20080248833 | Mobile Telephone With An Internal Inkjet Printhead Arrangement And An Optical Sensing Arrangement - Provided is a mobile telephone which includes an internal printhead, an ink cartridge and an optical sensing arrangement. The internal inkjet printhead arrangement is fed with print media via internal and external pathways defined by a body of the telephone. The ink cartridge supplies ink to the printhead. The optical sensing arrangement enables the telephone to decode tags of coded data printed on such media fed through the internal and external pathways. The sensing arrangement includes a beam splitter configured to deflect incoming light onto an image sensor of the telephone, a first infrared LED operatively directing light onto media present in the external pathway, and a filter and lens arrangement configured to receive and direct light reflected from the external media onto the beam splitter. The sensing arrangement also includes a second infrared LED operatively directing light onto media present in the internal pathway, as well as a mirror arrangement configured to direct light reflected from the internal media into the beam splitter. The coded data contains printing instructions for the printhead. | 10-09-2008 |
20090051726 | DIGITAL COLOUR PHOTOGRAPH PRINTER - The present invention relates to a printer for printing digital colour photographs. The printer includes a printhead cartridge housing an ink ejection printhead and an ink supply configured to supply ink to the printhead. A cradle unit defines a support bay in which the printhead cartridge can be fitted in a removable manner. The cradle unit houses a media transport mechanism which transports print media past the printhead. A media supply cartridge is configured to supply the media to the transport mechanism. | 02-26-2009 |
20090058924 | Printhead Capping Mechanism Having Multiple Gear Assemblies and Method of Assembling Same - A gear arrangement for a capper of an inkjet printer comprises a first gear assembly mounted to the printer so as to cooperate with a motor gear for driving rotation of the first gear assembly, the first gear assembly having a code feature; and a second gear assembly mounted to the printer so as to cooperate with the first gear assembly to be rotatable therewith, the second gear assembly, in use, cooperating with a capper for capping a printhead so that the rotation of the second gear assembly moves the capper out of and into its capping position. The code feature of the first gear assembly is arranged to cooperate with a holding feature of a mounting arrangement used to mount the second gear assembly to the printer, the code feature being configured so that the cooperation with the holding feature maintains the first gear assembly at a predetermined position during the mounting of the second gear assembly. A common shaft is mounted connecting the first gear and two second gears to the body so that each of the second gears mesh with the second gear assembly. A pin of two third gears is mounted to the body so that each of the third gears mesh with a respective one of the second gears of the first gear assembly. | 03-05-2009 |
20090085968 | MOBILE TELECOMMUNICATIONS DEVICE WITH PRINHEAD AND A PRINTHEAD CAPPER - A mobile device is disclosed. The mobile device includes an inkjet printhead, a print media feed path for directing print media past the printhead in a feed direction during printing, and a capping mechanism including a capper moveable between a capping position in which the capper is urged into a capping relationship with the printhead, and an uncapped position in which the capper is displaced away from the printhead thereby exposing the printhead to print media in the print media feed path. The capper is moved between the capped and uncapped position by engagement with an edge of the print media as the print media moves through the feed path. | 04-02-2009 |
20090122101 | PRINTHEAD CAPPING ARRANGEMENT WITH PIVOTABLE SHAFT MOUNTS - An inkjet printer comprises an elongate shaft adapted to rotate so as to move a capper for capping a pagewidth printhead out of and into capping position; a motor for driving the elongate shaft; a support frame; and first and second fixing plates mounted to the support frame. The first and second fixing plates each include first and second bearings for supporting the shaft at first and second longitudinal ends of the shaft so as to allow rotation of the shaft. The first and second bearings are configured to allow pivotal movement of the elongate shaft about first and second longitudinal ends thereof. The second fixing plate includes a seat for receiving the motor therein. | 05-14-2009 |
20090244171 | PRINTER HAVING ECCENTRICALLY CODED CAPPING MECHANISM - An inkjet printer has a body mounting first and second gear assemblies. The first assembly cooperating with a motor gear and having a code feature. The second assembly rotatably cooperating with the first assembly and a capper for capping a printhead. The code feature cooperates with a holding feature of a mounting arrangement used to mount the second assembly so that the cooperation maintains the first assembly at a predetermined position during the mounting of the second assembly. The first assembly has first and second gears connected by a common shaft. The first gear meshes with the motor gear and the second gear meshes with the second assembly. The second assembly has a third gear mounted to the body by a pin which meshes with the second gear. The third gear is an eccentric gear. | 10-01-2009 |
20090256869 | Mobile Device With Printer - A mobile device having printhead for printing onto a media substrate, a media feed path along which the media substrate is fed past the printhead, and a capper assembly. The capper assembly is movable between a capped position covering the array of nozzles and an uncapped position spaced from the array of nozzles. The capper assembly is held in the uncapped position by the media substrate such that the capper assembly moves to the capped position upon disengagement with the media substrate. | 10-15-2009 |
20090278300 | Sheet Feed Mechanism - A sheet feed mechanism includes a chassis for supporting a stack of sheets; a top sheet engaging member for engaging a top most sheet of the stack; a stack engaging structure for engaging the stack and biasing the top most sheet against the top sheet engaging member, the stack engaging structure hingedly connected to the chassis at a hinge axis; a friction surface extending from the stack engaging structure, the friction surface extending in a curvature parallel to a locus of the stack engaging structure about the hinge axis; a lock mechanism having a lock arm hingedly connected to the chassis at the hinge axis, the lock mechanism further having a biased contact foot for engaging the friction surface to retard a movement of the stack engaging structure about the hinge axis; and an actuator for engaging and disengaging the contact foot from the friction surface. The friction surface is arranged to extend beneath the biased contact foot, and the actuator is adapted to pivotally actuate the biased contact foot upwards and downwards to respectively disengage and engage the biased contact foot with the friction surface. | 11-12-2009 |
20100002043 | PRINT CARTRIDGE WITH SINGLE DRIVE SHAFT AND OPPOSING MEDIA GUIDE - A print cartridge for a mobile telecommunications device, the cartridge comprising: a drive shaft with a media engagement surface for feeding a media substrate along a feed path; and, a media guide adjacent the drive shaft for biasing the media substrate against the media engagement surface. | 01-07-2010 |
20100071190 | Method Of Assembling Print Media Transport Arrangement - A method of assembling a media transport arrangement of a printer is provided. The method includes positioning a roller so as to be supported at a first end by a support frame, positioning a ring bearing of a fixing plate about a second end of the roller, the fixing plate being separate from the support frame, and slidably engaging the fixing plate with the support frame so as to fix the fixing plate and the roller to the support frame. During the sliding engagement, the roller pivots about the first end due to the configuration of the ring bearing. | 03-25-2010 |
20100110139 | Mobile Device With A Printhead And A Capper Actuated By Contact With The Media To Be Printed - A mobile device that as (a) an inkjet printhead, (b) a print media feed path extending past the printhead, (c) a capping mechanism with a capper moveable between a capping position, in which the capper is urged into a capping relationship with the printhead, and an uncapped position, where the capper is spaced from the printhead, and (d) a locking mechanism configured to move the capper to the uncapped position in response to engagement with the media such that the capper returns to the capped position upon disengagement with the media. | 05-06-2010 |
20100134573 | PRINTHEAD ASSEMBLY WITH INK SUPPLY SHUT OFF - A printhead assembly with a printhead and a shut off ( | 06-03-2010 |
20100164168 | PRINTER HAVING GEARED MEDIA PICK-UP ROLLER - A printer is provided having a sheet media transport mechanism, a pick-up roller arranged to be rotated so as to contact and pick-up sheet media from a sheet media supply, and a gear assembly for communicating a driving force of a motor to the pick-up roller to rotate the pick-up roller. A first gear of the gear assembly is directly coupled with a second gear of the gear assembly which is concentric with the pick-up roller. The first gear is configured to disengage from the second gear substantially at the point of delivery of a leading edge of the picked sheet media to the sheet media transport mechanism so as to cease communication of the driving force of the motor to the pick-up roller. | 07-01-2010 |
20100225049 | SHEET FEED MECHANISM - A sheet feed mechanism includes a chassis for supporting a stack of sheets; a top sheet engaging member for engaging a top most sheet of the stack; a stack engaging structure, a first end of the stack engaging structure engaging the stack of sheets to bias a top most sheet of the stack of sheets against the top sheet engaging member, the stack engaging structure being supported from the chassis by a resilient member; a friction surface extending perpendicularly from a second end of the stack engaging structure opposite to the first end; a lock mechanism having a lock arm hingedly connected to the chassis, the lock mechanism including a biased contact foot for engaging the friction surface to retard a rectilinear movement of the stack engaging structure; and an actuator for engaging and disengaging the contact foot from the friction surface. | 09-09-2010 |
20100229393 | METHOD OF ASSEMBLING PRINTHEAD CAPPING MECHANISM - A method of assembling a gear arrangement for a capper of an inkjet printer includes the steps of: mounting a first gear assembly to the printer to cooperate with a motor gear for driving rotation of the first gear assembly, the first gear assembly including a driving gear from which a code feature protrudes, the driving gear meshed with the motor gear; engaging the printer with a jig; and mounting a second gear assembly to the printer using the jig, the second gear assembly mounted to cooperate with the first gear assembly to be rotatable therewith and to further cooperate with a capper for capping a printhead so that the rotation of the second gear assembly moves the capper out of and into capping position. The step of mounting the second gear assembly further includes a step of sliding a slider block of the holding feature about the code feature of the driving gear, whereby the code feature cooperate with the holding feature to maintain the first gear assembly at a predetermined position during the mounting of the second gear assembly. | 09-16-2010 |
20100234067 | MOBILE TELEPHONEHAVING INTERNAL INKJET PRINTHEAD ARRANGEMENT AND AN OPTICAL SENSING ARRANGEMENT - A mobile telephone includes an optical sensing arrangement enabling the telephone to decode tags of coded data printed on media fed through the telephone via internal and external media pathway defined by a body of the telephone; a beam splitter deflecting incoming light onto an image sensor of the telephone; a first infrared LED directing light onto media present in the external pathway; a filter and lens arrangement receiving and directing light reflected from the external media onto the beam splitter; a second infrared LED directing light onto media present in the internal pathway; and a mirror arrangement directing light reflected from the internal media into the beam splitter. The coded data contains printing instructions for the printhead, and the filter and lens arrangement includes an infrared filter for removing non-infrared ambient light, whereby a signal to noise ratio of the reflected light is improved. | 09-16-2010 |
20100277545 | PRINTER HAVING DISENGAGEABLE MEDIA PICK UP - A printer is provided having a support frame, a media cartridge removably engaged with the support frame, the media cartridge having a supply of sheet media, a driven roller arranged to be rotated so as to contact and pick-up sheet media from the media cartridge and deliver the picked sheet media to a sheet media transport mechanism of the printer, and a gear assembly for engaging driving power from a motor to the driven roller. The gear assembly has a first gear on a shaft of the driven roller and a second gear directly coupled with the first gear. The gear assembly is configured to decouple the second gear from the first gear to thereby disengage said driving power upon delivery of the picked sheet media to the sheet media transport mechanism. | 11-04-2010 |
20110228017 | SHUT OFF VALVE FOR DISCONNECTING A PRINTHEAD FROM AN INK SUPPLY - A shut off valve is disclosed for connecting and disconnecting an ink supply to a printhead of an inkjet printer. The shut off valve has an ink inlet for connection to the ink supply and an ink outlet for connection to the printhead. A valve seat and a diaphragm biased into sealing engagement with the valve seat to disconnecting the ink supply to the printhead are also provided. The ink outlet and the ink inlet are both in fluid communication with one side of the diaphragm. Unsealing the diaphragm draws the diaphragm away from the valve seat to lower the fluid pressure in the ink inlet and the ink outlet. | 09-22-2011 |