US Patent No: 8,005,275

Number of patents in Portfolio can not be more than 2000

Pointer tool

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Abstract

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This invention relates to a pointer tool for connecting to a display device, comprising a number of sensors elements being positioned on a two dimensional surface, for measuring a predetermined parameter at a surface, the measured quantity being sampled at a chosen rate, and calculating means for comparing the measurements from the sensor elements for detection of movements in two dimensions over the elements based on changes in the measured parameter, the time between the changes and the known relative positions between the sensor elements.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Mathiassen, Stig Oslo, NO 3 131
Mathiassen, Svein Heggedal, NO 8 423
Nysaether, Jon Oslo, NO 21 334

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (28)
4,353,056 Capacitive fingerprint sensor 254 1980
5,956,019 Touch-pad cursor control device 130 1993
5,673,066 Coordinate input device 47 1994
5,625,448 Fingerprint imaging 65 1995
5,825,352 Multiple fingers contact sensing method for emulating mouse buttons and mouse operations on a touch sensor pad 1069 1996
5,801,681 Method and apparatus for generating a control signal 153 1996
6,193,152 Modular signature and data-capture system and point of transaction payment and reward system 224 1997
5,864,296 Fingerprint detector using ridge resistance sensor 115 1997
6,002,815 Linear sensor imaging method and apparatus 79 1997
6,201,886 Image collation device 12 1997
6,057,540 Mouseless optical and position translation type screen pointer control for a computer system 151 1998
6,400,836 Combined fingerprint acquisition and control device 136 1998
6,259,108 Fingerprint image optical input apparatus 109 1998
6,256,022 Low-cost semiconductor user input device 54 1998
6,069,970 Fingerprint sensor and token reader and associated methods 58 1999
* 6,671,392 Fingerprint recognition apparatus and data processing method 6 1999
* 7,239,227 Command interface using fingerprint sensor input system 12 1999
6,941,001 To a combined fingerprint acquisition and control device 86 2000
6,614,422 Method and apparatus for entering data using a virtual input device 271 2000
6,282,303 Method and apparatus for scanning a fingerprint using a linear sensor within a cursor control device 59 2000
6,355,937 Fingerprint image optical input apparatus 38 2001
7,129,926 Navigation tool 56 2001
7,184,581 System for real time finger surface pattern measurement 44 2001
* 7,308,121 Pointer tool 43 2001
7,239,304 Pointing device and portable information terminal using the same 11 2001
7,110,579 Image synthesizing apparatus which switches between a first and second mode of reading different number of pixels 9 2003
2007/0146,318 Pointing device with an integrated optical structure 36 2005
* 2009/0254,869 MULTI-PARAMETER EXTRACTION ALGORITHMS FOR TACTILE IMAGES FROM USER INTERFACE TACTILE SENSOR ARRAYS 36 2009
* Cited By Examiner

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