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1971-07-06 |
1973-05-22 |
Bendix Corp |
Coordinate determining device employing a slowly varying difference signal to determine approximate cursor position
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US3699253A
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1971-07-06 |
1972-10-17 |
Bendix Corp |
Coordinate determining device employing a second order difference signal to determine approximate cursor position
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US3700809A
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1971-08-31 |
1972-10-24 |
Donald J Nadon |
Inductively coupled grid cursor
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1971-11-17 |
1974-06-25 |
Tokyo Shibaura Electric Co |
Electromagnetic induction type pattern input apparatus
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JPS5210381B2
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1973-02-08 |
1977-03-23 |
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1973-04-23 |
1975-02-11 |
Matsushita Electric Ind Co Ltd |
System for identifying the position of a stylus
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CA998135A
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1973-09-13 |
1976-10-05 |
Vivian H. Wickham |
Orientation output from graphic digitizer cursor
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1974-07-12 |
1976-05-11 |
Summagraphics Corporation |
Digitizing graphic system using magnetostrictive transducers
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1975-05-23 |
1978-05-09 |
Kabushiki Kaisha Daini Seikosha |
Automatic coordinate determining device
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1975-06-17 |
1978-03-21 |
Gtco Corporation |
Successively electromagnetically scanned x-y grid conductors with a digitizing system utilizing a free cursor or stylus
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1975-10-22 |
1977-10-18 |
Data Automation Corporation |
Electronic coordinate position digitizing system
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GB1592873A
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1977-02-21 |
1981-07-08 |
Ferranti Ltd |
Data processing systems
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1978-12-13 |
1980-07-15 |
Cameron Eugene A |
Digitizer tablet
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1978-12-13 |
1980-12-16 |
Wigmore Professional Data Services Ltd. |
Position sensing apparatus
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1979-05-24 |
1981-04-07 |
Talos Systems, Inc. |
Up/down scanning digitizing apparatus and method
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1980-03-26 |
1982-06-08 |
Intergraph Corporation |
Floating coordinate system
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DE3015498A1
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1980-04-23 |
1981-10-29 |
Hochtemperatur-Reaktorbau GmbH, 5000 Köln |
Durchfuehrungsvorrichtung fuer leiter bei kernreaktoranlagen
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JPS5733355A
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1980-08-06 |
1982-02-23 |
Toshiba Corp |
Digital speed detector
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1982-02-08 |
1984-10-23 |
Bausch & Lomb Incorporated |
Digitizing cursor and coordinate grid system
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GB2117154A
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1982-03-17 |
1983-10-05 |
Nigel Geoffrey Ley |
Hand-written character recognition device
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1982-07-01 |
1984-12-11 |
Diamond Automations, Inc. |
Article coding and separating system
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JPS5979384A
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1982-10-28 |
1984-05-08 |
Osukon Denshi Kk |
座標読取方法
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GB2135519A
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1983-02-23 |
1984-08-30 |
Crabtree Electrical Ind Ltd |
Electrical safety switches
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DE3402905A1
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1983-03-08 |
1984-09-13 |
Robotron Veb K |
Koordinatenbestimmungsvorrichtung, insbesondere fuer genau messende digitalisiergeraete
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1984-03-23 |
1987-09-15 |
Pencept, Inc. |
Digitizing tablet system including a tablet having a grid structure made of two orthogonal sets of parallel uniformly sized and spaced U shaped loops of conductive material
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1984-03-23 |
1986-04-15 |
Pencept, Inc. |
Digitizing tablet system including a tablet having a grid structure made of two orthogonal sets of parallel uniformly sized and spaced U shaped loops of conductive material
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GB2163559B
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1984-08-09 |
1988-05-25 |
Multiprobe Limited |
Testing electrical components
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1984-10-05 |
1986-04-17 |
Kontron Elektronik |
Cursor fuer einen elektromagnetischen digitizer und verfahren zum herstellen desselben
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1984-10-05 |
1990-08-07 |
Kontron Elektronik Gmbh |
Cursor for an inductive sensor for use with a digitizer board
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JPS61107423A
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1984-10-30 |
1986-05-26 |
Wacom Co Ltd |
デイスプレイ付座標入力装置
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1984-11-16 |
1987-01-20 |
Pencept, Inc. |
Position indicating apparatus for use in a digitizing tablet system
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1985-02-21 |
1988-09-13 |
Dhawan Satish K |
Electrostatic pattern-coupled digitizer
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1985-02-21 |
1987-11-10 |
Dhawan Satish K |
Electrostatic pattern-coupled digitizer
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DE3511863A1
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1985-04-01 |
1986-10-09 |
Kontron Elektronik |
Messtisch fuer eine koordinatenmessvorrichtung
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1985-04-01 |
1986-10-09 |
Kontron Elektronik |
Koordinatenmessvorrichtung
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1985-06-07 |
1986-04-03 |
Aristo Graphic Systeme Gmbh & Co Kg, 2000 Hamburg |
Messlupenanordnung
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1985-08-09 |
1988-03-29 |
Snyder Edward J |
Position coordinate determination device with diagonal delay line
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CH663676A5
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1985-09-11 |
1987-12-31 |
Battelle Memorial Institute |
Dispositif pour detecter le deplacement d'un instrument d'ecriture.
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NL8602033A
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1986-08-08 |
1988-03-01 |
Nedap Nv |
Precisie richtfunctie bij herkensysteem.
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1986-08-26 |
1987-11-17 |
Tektronix, Inc. |
Touch panel with automatic nulling
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1986-11-10 |
1988-02-16 |
Tektronix, Inc. |
Touch panel with discontinuities in touch sensitive surface
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JPS63298618A
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1987-05-29 |
1988-12-06 |
Graphtec Corp |
ワイヤレス方式デジタイザ
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1988-03-16 |
1990-05-22 |
Ametek, Inc. |
Digitizer for position sensing
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1989-03-28 |
1992-06-09 |
Graphtec Kabushiki Kaisha |
Device for determining position coordinates of points on a surface
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1989-07-18 |
1990-10-16 |
Numonics Corporation |
Coordinate determining device using spatial filters
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1990-04-06 |
1993-05-11 |
Summagraphics Corporation |
Digitizer with serpentine-type conductor grid having uniform conductor repeat increments
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1990-04-06 |
1991-09-24 |
Summagraphics Corporation |
Digitizer with serpentine conductor grid having non-uniform repeat increment
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1991-05-06 |
1992-08-04 |
International Business Machines Corporation |
Sensor grid for an electromagnetic digitizer tablet
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JPH0792722B2
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1992-02-21 |
1995-10-09 |
グラフテック株式会社 |
デジタイザ
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1996-12-12 |
2003-04-03 |
Synaptics (Uk) Limited |
Position detector
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1994-05-14 |
2004-12-01 |
Synaptics (Uk) Limited |
Codificador de posicion.
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1994-05-14 |
2001-06-19 |
Absolute Sensors Limited |
Position detector
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1995-10-30 |
1998-01-20 |
Atsutoshi Goto |
Phase difference detection device for an inductive position detector
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1996-06-28 |
2004-09-07 |
Synaptics (Uk) Limited |
Signal processing apparatus and method
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1997-05-28 |
2005-11-15 |
Synaptics Uk Ltd |
Verfahren und drahtbond-vorrichtung zur herstellung eines wandlers
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1997-07-23 |
2000-01-04 |
Numoncis, Inc. |
Multi-panel digitizer
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GB9720954D0
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1997-10-02 |
1997-12-03 |
Scient Generics Ltd |
Commutators for motors
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GB9721891D0
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1997-10-15 |
1997-12-17 |
Scient Generics Ltd |
Symmetrically connected spiral transducer
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1998-03-23 |
2004-04-13 |
Reginald P. Warkentin |
Automatic meter reader
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GB9811151D0
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1998-05-22 |
1998-07-22 |
Scient Generics Ltd |
Rotary encoder
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1998-06-15 |
2002-05-28 |
Rodgers Technology Center, Inc. |
Method and apparatus for diminishing grid complexity in a tablet
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1998-11-27 |
2003-10-15 |
Synaptics Uk Ltd |
Positionssensor
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1998-12-24 |
2006-03-28 |
Synaptics (Uk) Limited |
Position sensor
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2001-05-21 |
2008-07-15 |
Synaptics Uk Ltd |
Positionssensor
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2002-03-05 |
2004-12-22 |
Synaptics |
Position sensor
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2002-06-05 |
2011-03-15 |
Synaptics (Uk) Limited |
Signal transfer method and apparatus
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2003-07-24 |
2003-08-27 |
Synaptics Uk Ltd |
Magnetic calibration array
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2003-08-26 |
2003-09-24 |
Synaptics Uk Ltd |
Inductive sensing system
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2006-07-22 |
2008-01-24 |
Aubrey Dare Westmoreland |
Mimic gauge for a chart recorder
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WO2008139216A2
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2007-05-10 |
2008-11-20 |
Cambridge Integrated Circuits Limited |
Transducer
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2009-02-25 |
2013-04-03 |
セイコーエプソン株式会社 |
タッチセンサ機能付き表示装置
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GB2488389C
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2010-12-24 |
2018-08-22 |
Cambridge Integrated Circuits Ltd |
Position sensing transducer
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GB2503006B
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2012-06-13 |
2017-08-09 |
Cambridge Integrated Circuits Ltd |
Position sensing transducer
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