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WO2008085588A1 - Dispositif électronique avec écran tactile et son dispositif d'entrée d'écran tactile - Google Patents

Dispositif électronique avec écran tactile et son dispositif d'entrée d'écran tactile Download PDF

Info

Publication number
WO2008085588A1
WO2008085588A1 PCT/US2007/083108 US2007083108W WO2008085588A1 WO 2008085588 A1 WO2008085588 A1 WO 2008085588A1 US 2007083108 W US2007083108 W US 2007083108W WO 2008085588 A1 WO2008085588 A1 WO 2008085588A1
Authority
WO
WIPO (PCT)
Prior art keywords
touch screen
input device
screen input
electronic device
touch
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/US2007/083108
Other languages
English (en)
Other versions
WO2008085588B1 (fr
Inventor
Shuli Shmaya
Uzi Levi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Motorola Solutions Inc
Original Assignee
Motorola Inc
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 Motorola Inc filed Critical Motorola Inc
Publication of WO2008085588A1 publication Critical patent/WO2008085588A1/fr
Publication of WO2008085588B1 publication Critical patent/WO2008085588B1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F3/048—Interaction techniques based on graphical user interfaces [GUI]
    • G06F3/0487—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser
    • G06F3/0488—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures
    • G06F3/04883—Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures for inputting data by handwriting, e.g. gesture or text

Definitions

  • the technical field relates generally to an electronic device comprising a touch screen and touch screen input device therefor.
  • Touch screen devices are operated by physically touching a touch-sensitive screen of an electronic device, either with a finger or a suitable mechanical device, such as a pen or stylus.
  • Touch screen technology is used in a variety of applications, including point-of-sale systems, public information systems, industrial control systems, etc.
  • PDAs personal digital assistants
  • a suitable stylus is normally provided with the electronic device.
  • the stylus when not in use, is usually stored in a pocket or slot in or on the electronic device itself.
  • FIG. 1 illustrates a simple example of a known stylus 100.
  • the stylus 100 comprises a single contact 'tip' 110 at one end thereof, to aid in accurate positioning when pressed against a touch-sensitive screen.
  • a user of the stylus 100 typically holds the stylus 100 along a shaft 120, in a similar manner to a pen, and uses the tip 110 to touch a point on the screen.
  • the touch is detected by one or more sensors coupled to the touch screen and a signal provided by the one or more sensors is processed by a signal processor to identify a location on the touch screen that was pressed. Thereafter, the signal processor may initiate an operation associated with the location that was pressed on the touch screen, for example an operation associated with a function illustrated on the touch screen at that particular location.
  • a problem with known touch screen technology is that a user often needs to perform complicated tasks that require a more complicated user input method than simply touching the screen. For example, a user may need to manipulate menus, copy/paste text, etc. To execute such tasks, the user is required to remove the stylus from the touch screen, and then make use of a special function toolbar area. Alternatively, a user may be required to touch and hold for a predefined time until a special menu pops up for the user to manipulate or further select a displayed icon.
  • timing sensitive operations require additional configuration in order to cope with 'slow' reaction users.
  • FIG. 1 illustrates a known touch screen input device.
  • FIG. 2 illustrates a touch screen input device according to an embodiment of the invention.
  • FIG. 3 illustrates an electronic device comprising a touch screen and illustrating a use of the touch screen input device of FIG. 2.
  • FIG. 4 illustrates a method of touch screen input detection adapted for use with a touch screen input device according to embodiments of the invention.
  • embodiments of the invention described herein may be comprised of one or more generic or specialized processors (or 'processing devices') such as microprocessors, digital signal processors, customized processors and field programmable gate arrays (FPGAs) and unique stored program instructions (including both software and firmware) that control the one or more processors to implement, in conjunction with certain non-processor circuits, some, most, or all of the functions of the touch screen operation described herein.
  • processors or 'processing devices'
  • microprocessors digital signal processors
  • customized processors and field programmable gate arrays
  • FPGAs field programmable gate arrays
  • unique stored program instructions including both software and firmware
  • some or all functions could be implemented by a state machine that has no stored program instructions, or in one or more application specific integrated circuits (ASICs), in which each function or some combinations of certain of the functions are implemented as custom logic.
  • ASICs application specific integrated circuits
  • Both the state machine and ASIC are considered herein as a 'processing device' for purposes of the foregoing discussion and claim language.
  • an electronic device is described, as claimed in Claim 1.
  • a touch screen input device is described, in accordance with claim 10 of the appended claims.
  • the embodiments described herein aim to provide a user with additional touch screen operation, whilst maintaining an ease of use and intuitiveness of traditional touch screen input devices.
  • advantages described herein are merely exemplary and are not meant to be a complete rendering of all of the advantages of the various embodiments of the invention. Referring now to the figures, and in particular FIG. 2, there is illustrated an example of a touch screen input device 200 according to an embodiment of the invention.
  • the touch screen input device 200 of FIG. 2 comprises a control component, with which a user is able to utilise and control the touch screen input device 200.
  • the control component is in the form of a shaft 220.
  • the touch screen input device 200 further comprises a primary contact element for facilitating touch screen operation.
  • the primary contact element is in a form of a first contact tip 210, located at an end of the shaft 220.
  • a user of the touch screen input device 200 holds the shaft 220, for example in a similar manner to that of holding a pen or other writing implement, and uses the first contact tip 210 to 'touch' a touch screen.
  • the input touch screen device is capable of operating in a similar manner to known touch screen input devices, such as the stylus in FIG. 1.
  • the touch screen input device 200 further comprises a secondary contact element, which for the illustrated embodiment is in a form of a second contact 'tip' 230.
  • the second contact tip 230 is attached to the shaft 220 by way of a connecting strut 240.
  • the connecting strut 240 is connected, at a first end thereof, proximate the first contact tip end of the shaft 220.
  • a longitudinal axis 'A:A' of the shaft 220 passes through first contact tip 210.
  • the second contact tip 230 is located substantially radially from the first contact tip
  • first and second contact tips 210, 230 are located adjacent one another and on a plane substantially perpendicular to the axis 'A: A'.
  • FIG. 3 there is illustrated an example of an electronic device 310 comprising a touch screen illustrating a use of the touch screen input device 200.
  • the illustrated electronic device 310 comprising a touch screen 320 is in a form of a person digital assistant (PDA).
  • PDA person digital assistant
  • a touch screen input device according to embodiments of the invention described herein may be used with any electronic device comprising a touch screen.
  • the electronic device 310 comprises a touch screen 320, which displays information, and provides an ability for a user to interact with on-screen commands and the like.
  • a user of the touch screen input device 200 is able to use the touch screen input device 200 to interact with the touch screen 320 using the first contact tip 210 in a similar way to known touch screen input devices.
  • a problem with known touch screen technology is that a user often needs to perform complicated tasks that require a more complicated user input method than simply touching the screen.
  • the second contact element which for the illustrated embodiment is in a form of the second contact tip 230, provides a user of the touch screen input device 200 with additional touch screen operation.
  • the user of the touch screen input device 200 is able to use the primary contact element to, for example, select text or the like by touching (and perhaps dragging across) the touch screen 320. Then, whilst maintaining contact between the primary contact element and the touch screen 320, use the secondary contact element to establish a second point of contact on the touch screen 320.
  • the second point of contact can additionally be detected by the electronic device 310, and in response thereto, provide the user with additional features or the like.
  • a processor in the electronic device and coupled to the touch-screen may generate a signal to instigate a prompt window to be displayed to the user, thereby providing previously hidden features/functionality.
  • the second contact tip 230 may be able to establish the second point of contact by way of the user rotating the shaft 220 along its axis, as illustrated by arrow 'B'.
  • embodiments of the invention support a simplification of the user interface of electronic devices comprising a touch screen, since features/ functions can be displayed as required upon detection of a second point of contact. Furthermore, embodiments of the invention substantially reduce a need for timing sensitive operations to be supported in the electronic device.
  • the touch screen input device 200 may be adapted such that it comprises a first, retracted configuration (not shown) and a second, exposed configuration.
  • the second contact tip 230 is 'retracted', for example substantially within the main body of the touch screen input device, such as within the shaft 220.
  • the touch screen input device 200 provides to a user thereof with a single contact element, which for the illustrated embodiment would be the first contact tip 210.
  • the touch screen input device 200 provides the same functionality as a known touch screen input device, such as the stylus in FIG. 1. Furthermore, the touch screen input device would comprise a profile substantially similar to that of the stylus of FIG. 1.
  • the second contact tip 230 may be located substantially radially from the first contact tip 210, relative to the axis 'A: A' of the shaft 220, as illustrated in FIG. 2.
  • Adaptation of the touch screen input device 200 to comprise a retracted configuration provides an additional advantage of allowing the touch screen input device 200 to resemble and be utilised in the same manner as a known input device, such as the stylus of FIG. 1 when the second contact tip 230 is not required. Furthermore, an ability to retract of the second contact tip 230 allows for ease of storage of the touch screen input device 200, for example within a cavity of the housing of the touch screen device, as is the case with known input devices.
  • any suitable mechanism may be used to expose/retract the second contact tip 230.
  • a spring mechanism may be used to expose the second contact tip, which may be generally stowed away in a retracted position and retained in this position by a resilient portion of the shaft that overlaps a stowing chamber.
  • the touch screen input device 200 is adapted such that a distance between the first contact tip 210 and the second contact tip 230 may be adjustable. That is to say, the second contact tip 230 may be capable of being located at different distances from the first contact tip 210, along a substantially radial plane relative to the axis A:A.
  • variable distances between the first and second contact tips 210, 230 may be provided by way of a plurality of discreet locations at which the second contact tip 230 may be situated.
  • the second contact tip 230 may be capable of being located arbitrarily along a range of locations.
  • a touch screen input device may be used in conjunction with a touch screen device as described in the co-pending Patent Application, filed on the same day by the Applicant of the invention (Motorola reference CM10372EI).
  • FIG. 4 there is illustrated a method 400 of touch screen input detection, as described in the aforementioned corresponding co-pending Patent Application, for use with a touch screen input device according to an exemplary embodiment of the invention.
  • the method 400 starts at step 410.
  • step 420 the method determines whether a touch event has occurred, such as detecting an initial touch. If no touch is detected in step 420, the method 400 loops back to step 420. If a touch is detected, the method 400 moves on to step 430.
  • a touch event such as detecting an initial touch. If no touch is detected in step 420, the method 400 loops back to step 420. If a touch is detected, the method 400 moves on to step 430.
  • the method 400 is not limited to a
  • step 420 may simply wait until a touch is detected, such as when a voltage level change is detected. Upon detecting a touch, the method would then move on to step 430.
  • an initial sample P(i) is taken of values relating to a location of a detected touch. For example, two position measurements may be sampled, one for each of an 'X' plane and a 'Y' plane.
  • step 440 a further sample P(i+1) is taken of the location of the detected touch.
  • the further sample P(i+1) is compared to the initial sample P(i), in step 450. If the further sample P(i+1) is substantially equal to, or at least within a predetermined range of, the initial sample P(i), say a distance from P(i) to P(i+1) is less than 5% of a distance across the whole of the touch screen, it may be assumed that a single stationary touch has been detected. Here, the method 400 moves to step 455, where a single touch point is read. In the context of a touch screen device, information relating to the location of this single touch point will be provided to, for example, the processor of the electronic device, or an application running thereon.
  • step 460 it is determined whether a touch release, or 'pen up' event, has been detected. If a touch release event it not detected in step 460, then the method 400 loops back to step 440, where a new further sample P(i+1) is taken.
  • step 460 If it is determined that a touch release has been detected in step 460, the method 400 moves on to step 465, where samples are cleared.
  • a signal indicating that a touch release has been detected will be provided to the processor of the electronic device, or an application running thereon. The method 400 then loops back to step 420.
  • step 470 it is determined whether a difference in sample values is due to a detected touch comprising a 'drag', i.e. movement of a touch across the touch screen, causing a change in touch coordinates. This may be achieved by calculating distances between coordinates of two samples, and using the time between the two samples to provide an approximate calculation of speed at which a finger/pen/stylus would have had to have travelled. If the calculated speed is below a predetermined value, it may be assumed that the difference in sample values could be due to the touch screen input device being dragged across the touch screen.
  • step 480 a change in coordinates is read.
  • a signal indicating that a drag has been detected will be provided to, for example, the processor of the electronic device, or an application running thereon.
  • This step may also comprise setting sample P(i) equal to sample P(i+1).
  • the method 400 then loops back to step 440, where a new further sample P(i+1) is taken.
  • step 470 If it is determined that the difference in sample values is not caused by a drag in step 470, it may be assumed that a further touch has been detected. That is to say, if the calculated speed is above the predetermined value, it may be assumed that the difference in sample values is due to a further touch being detected.
  • step 490 where the further touch point is recognised, and in an exemplary embodiment a location of the further touch point is calculated.
  • a signal indicating that a further touch has been detected may be provided to, for example, a processor of the touch screen device, or an application running thereon.
  • step 495 the method 400 waits for a touch release.
  • the method 400 moves to step 465, where samples are cleared.
  • the method 400 loops back to step 420.
  • relational terms such as first and second, top and bottom, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.

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  • 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

Le dispositif électronique (310) selon l'invention comprend un écran tactile (320) et un dispositif d'entrée d'écran tactile (200). Le dispositif d'entrée d'écran tactile comprend un composant de contact primaire (210) destiné à faciliter la fonctionnalité de l'écran tactile et un composant de contact secondaire (220) destiné à donner à l'écran tactile une fonctionnalité supplémentaire. Ainsi, le dispositif électronique (310) muni du dispositif d'entrée d'écran tactile (200) vise à fournir à un utilisateur une fonctionnalité d'écran tactile supplémentaire, tout en conservant la facilité d'utilisation et le caractère intuitif des dispositifs d'entrée traditionnels.
PCT/US2007/083108 2007-01-03 2007-10-31 Dispositif électronique avec écran tactile et son dispositif d'entrée d'écran tactile Ceased WO2008085588A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0700054.0 2007-01-03
GB0700054A GB2445362B (en) 2007-01-03 2007-01-03 Electronic device with touch screen and touch screen input device therefor

Publications (2)

Publication Number Publication Date
WO2008085588A1 true WO2008085588A1 (fr) 2008-07-17
WO2008085588B1 WO2008085588B1 (fr) 2008-08-28

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PCT/US2007/083108 Ceased WO2008085588A1 (fr) 2007-01-03 2007-10-31 Dispositif électronique avec écran tactile et son dispositif d'entrée d'écran tactile

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GB (1) GB2445362B (fr)
WO (1) WO2008085588A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8922530B2 (en) 2010-01-06 2014-12-30 Apple Inc. Communicating stylus
DE102010026303A1 (de) * 2010-07-06 2012-01-12 Innospiring Gmbh Verfahren und Vorrichtung zum Tätigen einer Eingabe an einem Touchdisplay
US9639178B2 (en) 2010-11-19 2017-05-02 Apple Inc. Optical stylus
US9639179B2 (en) 2012-09-14 2017-05-02 Apple Inc. Force-sensitive input device
US9690394B2 (en) 2012-09-14 2017-06-27 Apple Inc. Input device having extendable nib

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060238495A1 (en) * 2005-04-26 2006-10-26 Nokia Corporation User input device for electronic device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423005C1 (de) * 1994-06-30 1995-11-30 Siemens Ag Eingabevorrichtung für einen Computer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20060238495A1 (en) * 2005-04-26 2006-10-26 Nokia Corporation User input device for electronic device

Also Published As

Publication number Publication date
GB2445362A (en) 2008-07-09
WO2008085588B1 (fr) 2008-08-28
GB2445362B (en) 2009-03-18
GB0700054D0 (en) 2007-02-07

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