INTERACTION ARRANGEMENT FOR INTERACTION BETWEEN A SCREEN AND A POINTER OBJECT

• US 20110102320A1
• Filed: 06/07/2010
• Published: 05/05/2011
• Est. Priority Date: 12/05/2007
• Status: Active Grant

• Current Assignee: Almeva AG
• Original Assignee: Almeva AG
• Inventors: Baeuerle, Jens-Uwe, HAUKE, Rudolf
• Granted Patent: US 9,582,115 B2
• Time in Patent Office: Days
• US Class Current: 345/158
• CPC Class Codes: G06F 2203/04108 Touchless 2D- digitiser, i.e. digitiser detecting the X/Y position of the input means, finger or stylus, also when it does not touch, but is proximate to the digitiser's interaction surface without distance measurement in the Z direction
• CPC Class Codes: G06F 3/011 Arrangements for interaction with the human body, e.g. for user immersion in virtual reality blind teaching G09B21/00
• CPC Class Codes: G06F 3/017 Gesture based interaction, e.g. based on a set of recognized hand gestures interaction based on gestures traced on a digitiser G06F3/04883
• CPC Class Codes: G06F 3/0304 Detection arrangements using opto-electronic means constructional details of pointing devices not related to the detection arrangement using opto-electronic means G06F3/033; optical digitisers G06F3/042
• CPC Class Codes: G06F 3/042 by opto-electronic means
• CPC Class Codes: G06F 3/0421 by interrupting or reflecting a light beam, e.g. optical touch-screen
• CPC Class Codes: G06F 3/0428 by sensing at the edges of the touch surface the interruption of optical paths, e.g. an illumination plane, parallel to the touch surface which may be virtual sensing beam interruptions in a planar beam grid of an optical touch-screen G06F3/0421

Abstract

An interaction arrangement for interaction between at least one screen arranged behind a transparent pane and at least one pointer object located in front of the pane, comprising at least two cameras arranged behind the pane, wherein there is associated with each of the cameras a deflection unit by means of which at least one optical path from an interaction area in the vicinity of and in front of the pane can be directed into the camera, and comprising a computing unit connected to all of the cameras for determining a position of the pointer object which is guided so as to be visible for at least two of the cameras, wherein at least the interaction area can be stroboscopically illuminated with infrared light, and the cameras are sensitive to infrared light and can be synchronized with the stroboscopic illumination.

Claims

1. An interaction arrangement configured to interact between at least one screen arranged behind a transparent pane and at least one pointer object located in front of the pane, the arrangement comprising:

at least two cameras arranged behind the pane;

a deflection unit associated with each of the cameras, wherein an optical path from an interaction area in a vicinity of and in front of the pane is directed into the camera via the deflection unit; and

a computing unit connectable to each of the cameras, the computing unit configured to determine a position of the pointer object that is guided so as to be visible for at least two of the cameras,

wherein, at least one optical path from a waiting area in front of the pane, which is further away from the pane than the interaction area, is directed through or past the deflection unit into the camera such that a person located in the waiting area is at least partly in a visibility range of the camera.

2. The interaction arrangement according to claim 1, wherein at least the interaction area is stroboscopically illuminated with infrared light, and wherein the cameras are sensitive to infrared light and are synchronizable with the stroboscopic illumination.

3. The interaction arrangement according to claim 1, wherein infrared light in the near infrared range is provided for the stroboscopic illumination.

4. The interaction arrangement according to claim 2, wherein an infrared transmission filter is provided for each of the cameras.

5. The interaction arrangement according to claim 1, wherein the position of the pointer object is determined by triangulation.

6. The interaction arrangement according to claim 1, wherein the cameras are synchronized with one another.

7. The interaction arrangement according to claim 1, wherein the deflection unit is configured as a beam splitter.

8. The interaction arrangement according to claim 1, wherein optical recognition of the pointer object via pattern recognition is provided in the computing unit.

9. The interaction arrangement according to claim 1, wherein a height of the person is quantifiable as a characteristic.

10. The interaction arrangement according to claim 1, wherein optical recognition is provided in the computing unit.

11. The interaction arrangement according to claim 10, wherein an age of the person is quantifiable as a characteristic for optical recognition based on a face and/or a height.

12. The interaction arrangement according to claim 10, wherein a gender of the person is recognizable as a characteristic for optical recognition based on a face and/or a height.

13. The interaction arrangement according to claim 10, wherein eyeglasses worn by a person is recognizable as a characteristic for optical recognition.

14. The interaction arrangement according to claim 10, wherein a direction of gaze of eyes of a person with respect to a screen is captured.

15. The interaction arrangement according to claim 1, wherein content displayed on a screen is modified as a function of a behavior of the pointer object and/or of a person and/or as a function of a characteristic of the person that have been determined.

16. The interaction arrangement according to claim 15, wherein an avatar of the person is displayed on the screen.

17. The interaction arrangement according to claim 16, wherein the avatar is displayed in mirror-imaged form.

18. The interaction arrangement according to claim 1, further comprising a shield via which unwanted optical paths to the cameras are suppressed.