WO2000004490A2 - Dispositif de saisie informatique - Google Patents
Dispositif de saisie informatique Download PDFInfo
- Publication number
- WO2000004490A2 WO2000004490A2 PCT/DK1999/000396 DK9900396W WO0004490A2 WO 2000004490 A2 WO2000004490 A2 WO 2000004490A2 DK 9900396 W DK9900396 W DK 9900396W WO 0004490 A2 WO0004490 A2 WO 0004490A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ball
- rotary
- optical detection
- input device
- computer input
- Prior art date
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
- G06F3/0304—Detection arrangements using opto-electronic means
- G06F3/0312—Detection arrangements using opto-electronic means for tracking the rotation of a spherical or circular member, e.g. optical rotary encoders used in mice or trackballs using a tracking ball or in mouse scroll wheels
-
- 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
- G06F3/033—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor
- G06F3/0354—Pointing devices displaced or positioned by the user, e.g. mice, trackballs, pens or joysticks; Accessories therefor with detection of 2D relative movements between the device, or an operating part thereof, and a plane or surface, e.g. 2D mice, trackballs, pens or pucks
- G06F3/03545—Pens or stylus
- G06F3/03546—Pens or stylus using a rotatable ball at the tip as position detecting member
-
- 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
Definitions
- the present invention relates to a computer input device comprising an elongated housing having at one end rotary means capable of being moved relative to a substrate, and optical detection means for detecting the movement of the rotary means, said detection means being disposed inside said housing.
- a computer input device such as a computer mouse, having optical detection means are known in the art, e.g. from WO 94/22071 or US 5,288,993.
- Computer input devices having elongated housings in the shape of a computer pen are also known from i.e. EP 0 413 606.
- the idea behind the computer pen is to simulate the use of a normal writing pen.
- drawbacks of these pen structures are numerous. They are bulky in their design and the minimum allowed diameter of the ball is unacceptably large so that the intended use pattern cannot be achieved.
- the movement of the ball is detected by optical detection means by detecting the change in surface structure of the ball.
- the ball is therefore provided with a surface structure insuring good optical detection signals corresponding to the movement of the ball.
- the ball is therefore preferably made of steel or similar material.
- the object of the present invention is to provide a solution by which there is ensured a satisfying amount of friction between the ball and the substrate whilst a convenient surface structure for optical movement detection is maintained.
- the present invention discloses a computer input device of the initially mentioned kind, wherein the rotary means comprises at least two rotary members arranged in a stacked configuration and that a first rotary member displays a surface of high friction material for contact with the substrate and the second rotary member displays an optical detection surface for optical detection of the surface movement.
- the first rotary member can rotate against the substrate and transform this rotation to the second rotary member.
- the rotation of the second rotary member is then detected by the optical detection means.
- the first rotary member is made of rubber and that the second rotary member is made of steel with coating for facilitating optical detection of its rotation.
- the two rotary members are optimised according to their functions in an inexpensive manner in the computer input device according to the invention.
- the second rotary member could be made of steel, plastic or the like and given a coating of light reflecting material.
- the optical detection surface of the second rotary member comprises a coating of TiN plasma material for optical detection of the surface structure.
- TiN plasma coating is optimal in order to the creation of speckles on the surface for optical detection, whereby a rotary member having a very small diameter can be provided.
- the optical detection surface of the second rotary member displays a pattern of randomly configured spots in contrast colours. This embodiment is an inexpensive solution for rotary member having a large diameter.
- the computer input device displays a first and second rotary members consisting of a first, outermost ball and a second, innermost ball, respectively.
- the first and second ball are preferably aligned along the centre axis of the elongated housing, whereby a housing having dimensions similar to a pen or similar writing utensil can be provided.
- the diameter of the first ball is larger than the diameter of the second ball.
- At least the first ball is supported by a bearing. Furthermore, the accumulated friction of the bearing and between the balls is lower than the friction between the first ball and the substrate.
- the bearing is preferably made of a number of steel balls embedded in polymeric material having a low coefficient of friction.
- fig. 1 is a view of a computer input device designed as a computer pen
- FIG. 2 is a detailed view of the detection means of the computer pen.
- a computer input device can be seen.
- the device is shaped like a pen or similar writing utensil. It comprises an elongated housing 1 with rotary means 2 in one end of this housing 1.
- said rotary means 2 cooperate with the optical detection means 3 for the detection of the movement of the computer pen in relation to a substrate, such as a table, a writing desk or the like.
- the housing 1 is provided with click-bottoms 6 ergonomically arranged on the side of the housing for operating the computer input device.
- the rotary means 2 comprises a first ball 4 and a second ball 5.
- the first ball is made of rubber or similar material creating a high friction between the ball 4 and the substrate and between the first ball 4 and the second ball 5, so that the rotation of the first ball 4 is transplanted to the second ball 5.
- the second ball 5 can be prepared with a coating of TiN in order to optimise it for optical detection of the surface movement of the ball 5. Detecting the speckles in the surface structure has proven a reliable and effective manner of detecting the direction and the velocity of the rotation of the ball 5.
- the ball 5 is preferably made of steel or the like with a coating of a high light reflecting material, such as TiN.
- the surface could also be prepared for magnetic detection and a suitable coating could be provided for this purpose if necessary.
- the ball could be provided with a basic colour and randomly distributed spots in a contrast colour.
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
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU48977/99A AU4897799A (en) | 1998-07-13 | 1999-07-12 | Computer input device |
EP99932681A EP1095355A2 (fr) | 1998-07-13 | 1999-07-12 | Dispositif de saisie informatique |
JP2000560539A JP2002520745A (ja) | 1998-07-13 | 1999-07-12 | コンピューター入力装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA199800930 | 1998-07-13 | ||
DKPA199800930 | 1998-07-13 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO2000004490A2 true WO2000004490A2 (fr) | 2000-01-27 |
WO2000004490A3 WO2000004490A3 (fr) | 2000-04-20 |
Family
ID=8099135
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DK1999/000396 WO2000004490A2 (fr) | 1998-07-13 | 1999-07-12 | Dispositif de saisie informatique |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1095355A2 (fr) |
JP (1) | JP2002520745A (fr) |
AU (1) | AU4897799A (fr) |
WO (1) | WO2000004490A2 (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003036560A2 (fr) * | 2001-10-24 | 2003-05-01 | The Technology Partnership Plc | Appareil de detection |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5291213A (en) * | 1992-12-23 | 1994-03-01 | Krauss Kenneth W | Pen-type computer input device with multiple spheres |
WO1994022071A1 (fr) * | 1993-03-19 | 1994-09-29 | Seung Ho Tak | Structure compacte pour souris |
JPH06342338A (ja) * | 1993-05-31 | 1994-12-13 | Sony Corp | 位置検出装置 |
JPH0962439A (ja) * | 1995-08-25 | 1997-03-07 | Matsushita Electric Ind Co Ltd | 入力装置 |
-
1999
- 1999-07-12 EP EP99932681A patent/EP1095355A2/fr not_active Withdrawn
- 1999-07-12 WO PCT/DK1999/000396 patent/WO2000004490A2/fr not_active Application Discontinuation
- 1999-07-12 JP JP2000560539A patent/JP2002520745A/ja not_active Withdrawn
- 1999-07-12 AU AU48977/99A patent/AU4897799A/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5291213A (en) * | 1992-12-23 | 1994-03-01 | Krauss Kenneth W | Pen-type computer input device with multiple spheres |
WO1994022071A1 (fr) * | 1993-03-19 | 1994-09-29 | Seung Ho Tak | Structure compacte pour souris |
JPH06342338A (ja) * | 1993-05-31 | 1994-12-13 | Sony Corp | 位置検出装置 |
US5861876A (en) * | 1993-05-31 | 1999-01-19 | Sony Corporation | Position detecting apparatus |
JPH0962439A (ja) * | 1995-08-25 | 1997-03-07 | Matsushita Electric Ind Co Ltd | 入力装置 |
Non-Patent Citations (2)
Title |
---|
PATENT ABSTRACTS OF JAPAN & JP 06 342 338 A (SONY CORP) 13 December 1994 * |
PATENT ABSTRACTS OF JAPAN & JP 09 062 439 A (MATSUSHITA ELECTRIC IND CO LTD) 07 March 1997 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003036560A2 (fr) * | 2001-10-24 | 2003-05-01 | The Technology Partnership Plc | Appareil de detection |
WO2003036560A3 (fr) * | 2001-10-24 | 2003-12-18 | The Technology Partnership Plc | Appareil de detection |
Also Published As
Publication number | Publication date |
---|---|
WO2000004490A3 (fr) | 2000-04-20 |
JP2002520745A (ja) | 2002-07-09 |
AU4897799A (en) | 2000-02-07 |
EP1095355A2 (fr) | 2001-05-02 |
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