EP1340218A1 - Dispositif d'interface electronique porte par l'utilisateur - Google Patents

Dispositif d'interface electronique porte par l'utilisateur

Info

Publication number
EP1340218A1
EP1340218A1 EP01991060A EP01991060A EP1340218A1 EP 1340218 A1 EP1340218 A1 EP 1340218A1 EP 01991060 A EP01991060 A EP 01991060A EP 01991060 A EP01991060 A EP 01991060A EP 1340218 A1 EP1340218 A1 EP 1340218A1
Authority
EP
European Patent Office
Prior art keywords
interface
per
computer
based system
data input
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.)
Withdrawn
Application number
EP01991060A
Other languages
German (de)
English (en)
Inventor
David Devor
Av Utukuri
Kumar Utukuri
Jonathan Clarke
John J. Gentile
Anthony R. Gentile
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.)
Essential Reality Inc
Original Assignee
Essential Reality 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 Essential Reality Inc filed Critical Essential Reality Inc
Publication of EP1340218A1 publication Critical patent/EP1340218A1/fr
Withdrawn legal-status Critical Current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
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • G06F3/014—Hand-worn input/output arrangements, e.g. data gloves
    • 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
    • G06F3/011—Arrangements for interaction with the human body, e.g. for user immersion in virtual reality
    • 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
    • G06F3/017—Gesture based interaction, e.g. based on a set of recognized hand 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
    • G06F3/0304—Detection arrangements using opto-electronic means

Definitions

  • the present invention relates generally to the field of computer I/O devices.
  • the present invention is related to a multiple axis input device in
  • GUI User Interface
  • the Macintosh system also made popular the use of the mouse which made manipulation of the on-screen environment simpler.
  • the interface device of the present invention provides an input device that
  • Video games are just one area that will benefit from the enhanced productivity of such an input device.
  • Other areas include, but are not limited to,
  • the input system of the present invention generally comprises a user worn interface, such as a hand worn glove, necklace, ankle bracelet, sock, or shirt, with
  • the interface device in the preferred glove embodiment, is engineered with up to five-finger bend sensitivity that provides full finger and wrist recognition and
  • a pattern of radiation sources in the preferred embodiment an array of
  • the device is lightweight
  • a separate tracking station working details of sensors provided in co-
  • the object's three-dimensional position is provided by a first two-
  • the object's (704) distance from either of the three-dimensional direction detectors 700 and 702 is determined and then, using triangulation with the known distance between
  • the object's three-dimensional direction is detected.
  • Figure 1 illustrates a system diagram of a preferred embodiment of the
  • Figure 2. illustrates a system diagram of a second embodiment of the present
  • Figure 3 illustrates a diagram of pitch, yaw and roll for a hand.
  • Figure 4 illustrates an electronics diagram of the system used in figure 1.
  • FIG. 5 illustrates the triangulation technique used by the tracking system
  • Figure 6 illustrates a schematic of the detector geometry.
  • Figure 7 illustrates shadow when the detector of figure 6 is spaced apart
  • Figure 8 illustrates detector head geometry
  • Figure 9 illustrates reference frames.
  • Figure 10 illustrates creating a basis set given an arbitrary set of 3D
  • a hand worn glove with electronics, light emitters
  • the system includes detectors, position tracker and associated circuitry, and a controller providing input to a computer based device such as a PC or gaming console.
  • a computer based device such as a PC or gaming console.
  • device of the invention is also capable of gesture recognition from specific movement of thumb and finger digits. Positioning and movement recognition of
  • the glove like device is achieved through sensors positioned in strategic locations within the glove like device. Such sensors track finger bends and hand movements
  • Figure 1 illustrates an embodiment of the input system 100 of the present
  • the system comprises glove 102 with embedded electronics 104,
  • sensors not shown
  • sources of radiation 105 LEDs
  • tracking head 106 for tracking position of sources of radiation
  • computer interface electronics which, in this embodiment, are housed in a separate control box 108.
  • control box 108 provide the data indicative of motion and position of a user's hand
  • the glove uses embedded electronics 104 to
  • Figure 2 illustrates the system of figure 1 with the control box 108 and
  • tracking unit 106 (including tracking heads 110a and 110b) combined to form a
  • Monitor 114 from a connected PC or other
  • the system tracks finger bends, hand movements, and position, all detected
  • Yaw is defined as movement along a plane parallel to the ground.
  • Pitch is defined as movement along an axis that is parallel to the top of your hand and perpendicular to the wrist, such that it would enter your wrist below your thumb and exit below your little fmger. Pitch is accomplished by moving your hand up and down while holding your forearm parallel to the ground.
  • Roll is defined as rotation of your hand about an axis that is parallel to the ground and enters your hand at the tip of your middle fmger and runs through your wrist parallel to your forearm. Roll is accomplished by holding your hand flat with your palm facing the ground and turning your arm such that your thumb rises and your little finger falls or vice versa.
  • Recognition of thumb and finger movement is achieved through sensors positioned in strategic locations within glove 102, e.g., two sensors in each finger and an abduction sensor for the thumb.
  • the sensing of finger bend or glove fabric stretch from finger movement will preferably occur via strip sensors or conductive inks with variable electrical resistance (such as, but not limited to, strain gauges, carbon-based inks on a flexible substrate).
  • the position changes of hand digits are detected above a baseline bias voltage & resistance.
  • Other types of sensors which sense finger positions can be substituted without departing from the scope of the present invention.
  • Position of the user's hand is tracked by tracking head 106 using electronics and firmware/software supporting X, Y and Z axis positioning in conjunction with LEDs mounted on glove 102.
  • LEDs mounted on glove 102 Preferably, 10-16 infrared LEDs 105 are mounted in three to four groups of four LEDs. However, variations of number and patterns of LEDs are within the scope of the present invention. LEDs radiating in other ranges of the electromagnetic spectrum, including visual light, are also considered within the scope of the present invention.
  • Each group of LEDs are preferably placed in different areas around the hand to ensure at least one set of 3 of LEDs has line-of- sight with tracking head 106, regardless of hand orientation. Within each group,
  • LEDs are preferably arranged in a pattern as to provide a non-coplanar configuration, with the ideal configuration being a triangular based pyramid
  • tracking head 106 tracked by tracking head 106.
  • the complete three-dimensional position of glove 102 is determined using
  • Tracker head 106 employs at least two three-dimensional
  • a three-dimensional direction detector 500 is placed at a
  • Points A and B are
  • Detector 500 measures the three-dimensional direction of a radiating object 504
  • detector 502 measures the three-dimensional direction of
  • this arrangement allows the complete three-dimensional position of radiating source 500 to be measured as the distance and the three-dimensional
  • the detectors are arranged on the same plane, which minimizes
  • planar detectors do not have to be arranged in very close proximity to each other as is required with a central aperture.
  • the radiation from the source is modulated
  • Each group of LEDs are preferably placed in different areas around the hand, in order to ensure line of sight with the optical tracker head that is preferably
  • a mounting bar which may have adjustable length.
  • This bar will be attached to a "docking station” which can be placed on the users desk or tabletop.
  • the "docking station” may contain a provision to assist in
  • the station may be used as a storage location for the glove like device. Within the “docking station” there will be housing for various electronic components.
  • the control box 108 houses the USB controller and preferably has one USB cable (host PC coimection), and two cables that attach to the glove and
  • the control box comprises a USB controller, an oscillator, filter capacitors and an analog multiplexer chip.
  • based micro controller that meets the needs of the present system might comprise a
  • the USB controller preferably has enough code space for 8K instructions and is an
  • Such controller also preferably incorporates FLASH memory, which allows for downloading of new program updates, bug
  • the interface device is preferably a USB product to allow for direct "plug
  • FIG. 4 A block diagram of the interface device is shown in FIG. 4.
  • PCs on the market today are fully USB-ready, as well as the newest gaming consoles by Sony, Sega, Nintendo and Microsoft.
  • the device of the invention will communicate with the CPU via a USB port.
  • the system comprises the tracker circuitry 402, control box
  • the tracker circuitry includes a main
  • section 412 including an optical tracking multiplexing board, differential amplifiers, DiffLV, DiffRV, DiffLH, DiffRH, SumL, SumR, DiffB, and power
  • left and right tracking detector heads 408, output amps for the heads
  • the controller box 404 includes a micro controller and supporting components such as flash memory, crystal for clock timing, various analog control
  • circuitry 420 circuitry 420, power supply 422, and connectors 424 and USB 426 connection to a
  • the glove circuitry 406 includes an LED array (16) and associated decoders
  • the LEDs are driven to output light signals and the bend sensors
  • the routing of signals is controlled through 434
  • Connector 436 provides I/O of signals to the controller 404.
  • the first step is to determine the angle of entry
  • the next step involves triangulation in order to determine positional information of each LED in space.
  • the final step is to calculate the orientation of
  • Step 1 Calculating angle of entry
  • k is a proportionality factor, and includes, detector sensitivity, system gain etc. It is assumed to be same for both channels.
  • Step 2 Triangulating position information
  • O . and O 2 represent the two detector heads, located on a common X-axis.
  • Y ⁇ and Y 2 are the two Y-axes and Zi, Z 2 the two Z-axes.
  • D is the
  • angles from the second detector O 2 are ⁇ 2 and ⁇ 2 . Since the detectors are displaced
  • Step 3 Calculating orientation information
  • the first frame is the world co-ordinate frame (Frame 0), which in our geometry can be considered to
  • ⁇ is the pitch and ⁇ is the yaw of the system.
  • R ⁇ - >2 can be calculated by measuring the physical geometry of the same
  • the actual angles can be calculated by setting the Ro-> ⁇ matrix to equal the general
  • AEC Architecture, Engineering and Construction
  • ME Mechanical Engineering
  • MCAD Mechanical Computer-aided Design
  • the glove device of the present invention will be described in its simplest iteration.
  • a current computer user interface for existing and future applications.
  • a current computer user interface for existing and future applications.
  • the glove interface device of the present invention is a peripheral device adapted for use with the computer and gaming console market.
  • the device of the invention is designed for multiple uses including but not limited to: gaming, scientific visualization, animation, Computer Aided Design (CAD), virtual reality, industrial design, training and education, and web browsing.
  • CAD Computer Aided Design
  • Such glove device serves as an interface for a personal computer, stand-alone video gaming console or other USB devices, and is provided with a multiplicity of sensors to accurately determine and track the position of the user's body parts, such as hand, wrist and five fingers in space.
  • embodiments of the glove device incorporating enhancements and feature options include a wireless product, the ability to monitor sweat and pulse, the ability to provide and utilize tactile feedback and the ability to interchange the glove fabrics
  • the present invention may be implemented in various computing environments.
  • the present invention may be implemented on a conventional IBM PC or equivalent, multi- nodal system (e.g., LAN) or networking system (e.g., Internet, WWW, wireless

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)
  • User Interface Of Digital Computer (AREA)

Abstract

L'invention concerne une interface (102) portée par l'utilisateur, telle qu'un gant, un collier, un bracelet de cheville, une chaussette ou une chemise, comportant des composants électroniques (104) intégrés, des sources de rayonnement (105) et des moyens techniques formant des capteurs (110a, 110b). Une position de départ et un mouvement de l'interface (102) sont suivis par un moniteur d'ordinateur au moyen d'un équipement électronique et d'un micrologiciel/logiciel à positionnement d'axe X, Y et Z. Des capteurs électro-résistifs intégrés dans une surface de l'interface (102) collaborent avec un réseau de diodes électroluminescentes (DEL) (105) situées sur la surface supérieure de l'interface (102) et une ligne de système de détection visuelle afin de détecter tous les mouvements, toutes les positions et tous les gestes provoqués par un mouvement spécifique du corps de l'utilisateur (par exemple, un mouvement du pouce, des doigts et de la main). Les mouvements et positions de l'utilisateur sont détectés et traités de sorte à fournir X, Y, Z ainsi que des données de lacet, de tangage et de roulis à un dispositif informatisé.
EP01991060A 2000-11-02 2001-10-30 Dispositif d'interface electronique porte par l'utilisateur Withdrawn EP1340218A1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US24508800P 2000-11-02 2000-11-02
US245088P 2000-11-02
US27629201P 2001-03-16 2001-03-16
US276292P 2001-03-16
PCT/US2001/048224 WO2002037466A1 (fr) 2000-11-02 2001-10-30 Dispositif d'interface electronique porte par l'utilisateur

Publications (1)

Publication Number Publication Date
EP1340218A1 true EP1340218A1 (fr) 2003-09-03

Family

ID=26936984

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01991060A Withdrawn EP1340218A1 (fr) 2000-11-02 2001-10-30 Dispositif d'interface electronique porte par l'utilisateur

Country Status (5)

Country Link
EP (1) EP1340218A1 (fr)
JP (1) JP2004513443A (fr)
AU (1) AU2002230814A1 (fr)
TW (1) TW543028B (fr)
WO (1) WO2002037466A1 (fr)

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Also Published As

Publication number Publication date
JP2004513443A (ja) 2004-04-30
WO2002037466A1 (fr) 2002-05-10
TW543028B (en) 2003-07-21
AU2002230814A1 (en) 2002-05-15

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