SE9400947L - Device for three-dimensional control - Google Patents

Device for three-dimensional control

Info

Publication number
SE9400947L
SE9400947L SE9400947A SE9400947A SE9400947L SE 9400947 L SE9400947 L SE 9400947L SE 9400947 A SE9400947 A SE 9400947A SE 9400947 A SE9400947 A SE 9400947A SE 9400947 L SE9400947 L SE 9400947L
Authority
SE
Sweden
Prior art keywords
dimensional
shadows
detecting means
control space
control
Prior art date
Application number
SE9400947A
Other languages
Swedish (sv)
Other versions
SE502186C2 (en
SE9400947D0 (en
Inventor
Bjoern Andersson
Joakim Kvarnloef
Original Assignee
Nabla Hb
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nabla Hb filed Critical Nabla Hb
Priority to SE9400947A priority Critical patent/SE9400947L/en
Publication of SE9400947D0 publication Critical patent/SE9400947D0/en
Priority to AU21531/95A priority patent/AU2153195A/en
Priority to PCT/SE1995/000293 priority patent/WO1995026011A1/en
Publication of SE502186C2 publication Critical patent/SE502186C2/en
Publication of SE9400947L publication Critical patent/SE9400947L/en

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/03—Arrangements for converting the position or the displacement of a member into a coded form
    • G06F3/041—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means
    • G06F3/042—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
    • G06F3/0421—Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means by interrupting or reflecting a light beam, e.g. optical touch-screen

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Position Input By Displaying (AREA)

Abstract

A method and a device are adapted for three-dimensional control, especially of a display. The ranges of application include three-dimensional "mice" and touch screens controllable in three dimensions. A free control space (S) is located between a radiant means and a detecting means, of which at least one is two-dimensional. An object, such as a human finger, is moved freely within the control space (S) in three directions (x, y, z), thus throwing two or more shadows (S1, S2) on the detecting means (10). The current position of the object (12) in the control space (S) is established on the basis of the absolute and relative positions of the shadows (S1, S2) detected. If the distance between the object (12) and the detecting means (10) is altered, the spacing of the shadows (S1, S2) is likewise altered. Generated control information indicates the current position of the object in three dimensions.
SE9400947A 1994-03-22 1994-03-22 Device for three-dimensional control SE9400947L (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9400947A SE9400947L (en) 1994-03-22 1994-03-22 Device for three-dimensional control
AU21531/95A AU2153195A (en) 1994-03-22 1995-03-22 Apparatus and method for three-dimensional control
PCT/SE1995/000293 WO1995026011A1 (en) 1994-03-22 1995-03-22 Apparatus and method for three-dimensional control

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9400947A SE9400947L (en) 1994-03-22 1994-03-22 Device for three-dimensional control

Publications (3)

Publication Number Publication Date
SE9400947D0 SE9400947D0 (en) 1994-03-22
SE502186C2 SE502186C2 (en) 1995-09-11
SE9400947L true SE9400947L (en) 1995-09-11

Family

ID=20393356

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9400947A SE9400947L (en) 1994-03-22 1994-03-22 Device for three-dimensional control

Country Status (3)

Country Link
AU (1) AU2153195A (en)
SE (1) SE9400947L (en)
WO (1) WO1995026011A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9603208D0 (en) 1996-09-04 1996-09-04 Nabla Hb Positioning device and method
CN1564997A (en) * 2001-09-07 2005-01-12 米－茵有限公司 Operating device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4507557A (en) * 1983-04-01 1985-03-26 Siemens Corporate Research & Support, Inc. Non-contact X,Y digitizer using two dynamic ram imagers
US4820050A (en) * 1987-04-28 1989-04-11 Wells-Gardner Electronics Corporation Solid-state optical position determining apparatus
GB2234575A (en) * 1989-07-28 1991-02-06 Philips Electronic Associated User input device for an interactive display system
JPH05127809A (en) * 1991-04-19 1993-05-25 Sharp Corp Three-dimensional spatial coordinate input device
IL98766A0 (en) * 1991-07-08 1992-07-15 Pegasos Technologies Ltd Three dimensional computer mouse

Also Published As

Publication number Publication date
SE502186C2 (en) 1995-09-11
WO1995026011A1 (en) 1995-09-28
AU2153195A (en) 1995-10-09
SE9400947D0 (en) 1994-03-22

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