Patent application number | Description | Published |
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 |
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 |
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 |
20090314552 | Retractable electronic pen comprising actuator button decoupled from force sensor - An electronic pen comprises a retractable cartridge having a nib, a force-actuable device that is actuated by a nib force transmitted axially through the cartridge from the nib, a retraction for retracting the cartridge, a button for actuating the retraction mechanism, and a decoupling mechanism for biasing the button away from coupled engagement with the retraction mechanism and thereby the force-actuable device. | 12-24-2009 |
20090314553 | Retractable electronic pen with sensing arrangement - An electronic pen comprises a retractable cartridge, a retraction mechanism for extending and retracting the cartridge, a button for actuating the retraction mechanism, a sensing arrangement for sensing a configuration of the pen, and a processor cooperating with the sensing arrangement. The processor is adapted to configure a state of the pen in response to input signals from the sensing arrangement. The sensing arrangement comprises a button sensor coupled to the button, which senses actuation of the button and a cartridge sensor for sensing whether the cartridge is extended or retracted. | 12-24-2009 |
20090315734 | Electronic pen with automatically retractable nib - An electronic pen for interacting with a surface. The pen comprises a retractable cartridge having a nib, an automatic retraction mechanism for automatically retracting the cartridge, and a processor for controlling the automatic retraction mechanism. The processor is configured to automatically retract the cartridge in response to predetermined pen conditions. | 12-24-2009 |
20090315862 | ELECTRONIC PEN WITH RETRACTABLE NIB AND FORCE SENSOR - An electronic pen having a retractable nib for interacting with a surface. The pen comprises a slidably movable cartridge having a nib for contacting the surface, a retraction mechanism for retracting the cartridge, an actuator coupled to the retraction mechanism, a force sensor providing a reaction to an axial force transmitted from the cartridge, and a processor configured for generating force data indicative of a force detected by the force sensor. The retraction mechanism comprises a barrel for receiving the cartridge, which is adapted for seating the cartridge in either an extended position or a retracted position, whereby the axial force from the cartridge is transmitted to the barrel in the extended position. A biasing mechanism biases the cartridge towards the extended or retracted positions. | 12-24-2009 |
20090315863 | ELECTRONIC PEN HAVING FAST RESPONSE TIME - An electronic pen for interacting with a surface. The pen comprises a cartridge having a nib for contacting the surface, a capacitive force sensor cooperating with said cartridge for sensing a nib force transmitted axially through the cartridge, and a processor configured to generate force data indicative of a force detected by the force sensor. The capacitive force sensor comprises: a spring having an integral conductive moving plate resiliently biased towards a reference position, a conductive fixed plate and a dielectric separating said plates. | 12-24-2009 |
20090315864 | Electronic pen with retractable and replaceable cartridge - An electronic pen comprises a user-replaceable cartridge having a nib, a force sensor for sensing a nib force transmitted axially through the cartridge from the nib and a retraction mechanism for retracting the cartridge. The retraction mechanism comprises a barrel adapted for seating the cartridge in either an extended position or a retracted position, and a first biasing mechanism for biasing the cartridge towards the extended or retracted positions. A second biasing mechanism biases the barrel towards engagement with the force sensor. | 12-24-2009 |
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 |
20100079602 | METHOD AND APPARATUS FOR ALIGNMENT OF AN OPTICAL ASSEMBLY WITH AN IMAGE SENSOR - A method is described for positioning an image sensor at a point of best focus for a lens. The lens has an optical axis and the image sensor is moved to a plurality of positions along the optical axis. The image sensor captures an image of a target image at each of the plurality of positions through the lens. A measure of blur in the image captured is derived at each of the plurality of positions from pixel data output from the image sensor. A relationship is derived between blur and position of the image sensor along the optical axis. The image sensor is then moved to a position on the optical axis that the relationship indicates as the point of best focus where the image sensor is fixedly secured relative to the lens. | 04-01-2010 |
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 |
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 |