1
Kia Silverbrook, Simon Robert Walmsley: Document having an encoded data structure. Silverbrook Research, June 26, 2007: US07234645 (181 worldwide citation)

A printed document includes a data structure encoded on a surface of at least one page of the document, the data structure comprising a plurality of block data regions. Each block data region includes: an encoded data region containing data in encoded form; a plurality of clock mark structures locat ...


2
Kia Silverbrook, Paul Lapstun, Simon Robert Walmsley, Tobin Allen King: Sensing device. Silverbrook Research, March 22, 2005: US06870966 (146 worldwide citation)

A sensing device for sensing region identity data and generating movement data when the sensing device is moved relative to a region of a surface, the region identity data being indicative of an identity of the region, the movement data being indicative of the movement of the sensing device relative ...


3
Kia Silverbrook, Simon Robert Walmsley, Paul Lapstun: System for authenticating physical objects. August 27, 2002: US06442525 (142 worldwide citation)

A system for authenticating physical objects in which the authentication key cannot be determined by reverse engineering the software or hardware of a controlling microprocessor. Two highly secure integrated circuits (ChipA and ChipT), both containing the same secret authentication key, are used. Ch ...


4
Kia Silverbrook, Paul Lapstun, Simon Robert Walmsley: Utilization of image tiling effects in photographs. Silverbrook Research, November 13, 2001: US06317192 (138 worldwide citation)

A handheld camera for the output of an image sensed by the camera, including a digital image capture device for the capturing of digital images; a tiling device for automatically adding tiling effects to a captured image to produce a tiled image; and a printer for printing out immediate photos by th ...


5
Simon Robert Walmsley, Paul Lapstun, Jacqueline Anne Lapstun, Kia Silverbrook: Method and system for map and globe navigation. Silverbrook Research, January 25, 2005: US06847883 (127 worldwide citation)

The present invention provides a method of enabling a user to designate, in a computer system, at least one geographic location, the method including the steps of printing a map of a geographic area, the geographic area including the at least one geographic location, the map including coded data ind ...


6
Kia Silverbrook, Simon Robert Walmsley: Encoded data card reading system. Silverbrook Research, November 13, 2001: US06315200 (119 worldwide citation)

A data structure is disclosed encoded on the surface of an object comprising a series of block data regions with each of the block data regions including: an encoded data region containing data to be decoded in an encoded form; a series of clock marks structures located around a first peripheral por ...


7
Kia Silverbrook, Simon Robert Walmsley: Dot adjacency compensation in optical storage systems using ink dots. Silverbrook Research, December 16, 2003: US06665454 (119 worldwide citation)

A method of accurately detecting the value of a dot of sensed image data, said image data comprising an array of dots and said sensed image data comprising a sampling of said image data at a rate greater than the pitch frequency of said array of dots so as to produce an array of pixels, said method ...


8
Kia Silverbrook, Paul Lapstun, Simon Robert Walmsley: Print media roll and ink supply cartridge. Silverbrook Research, May 27, 2008: US07377706 (107 worldwide citation)

A print media and ink supply cartridge includes an outer housing in which there is located a roll of print media located about a cylindrical former. The former includes a number of internal longitudinal ink storage volumes that are filled with hydrophobic sponges. One end of the former has winding a ...


9
Kia Silverbrook, Simon Robert Walmsley: Camera device incorporating a color printer with ink validation apparatus. Silverbrook Research, February 2, 2010: US07654626 (107 worldwide citation)

A camera device includes a replaceable print roll. The print roll includes an ink reservoir section storing respective types of ink. A validation apparatus is configured to validate the replaceable print roll. A printer is configured to print an image on print media upon validation of the print roll ...


10
Kia Silverbrook, Simon Robert Walmsley: Data distribution mechanism in the form of ink dots on cards. Silverbrook Research, July 19, 2005: US06918542 (105 worldwide citation)

A data structure encoded on a surface of an object, and a method of generating such a data structure. The data structure includes a plurality of block data regions. Each of the block regions includes an encoded data region containing data in encoded form, a clock mark structure located adjacent a fi ...



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