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公开(公告)号：US11727790B2
公开(公告)日：2023-08-15
申请号：US17080840
申请日：2020-10-27
Applicant: ULTRAHAPTICS IP LTD
Abstract: A system providing various improved calibration techniques for haptic feedback is described. An acoustic field is defined by one or more control points in a space within which the acoustic field may exist. Each control point is assigned an amplitude value equating to a desired amplitude of the acoustic field at the control point. Because complete control of space is not possible, controlling the acoustic field at given points yields erroneous local maxima in the acoustic field levels at other related positions. In relation to mid-air haptic feedback, these can interfere in interactions with the space by creating secondary effects and ghost phenomena that can be felt outside the interaction area. The level and nature of the secondary maxima in the acoustic field is determined by how the space is controlled. By arranging the transducer elements in different ways, unwanted effects on the acoustic field can be limited and controlled.
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公开(公告)号：US10930123B2
公开(公告)日：2021-02-23
申请号：US16159695
申请日：2018-10-14
Applicant: ULTRAHAPTICS IP LTD
Inventor： Thomas Andrew Carter , Benjamin John Oliver Long , Sriram Subramanian , Robert Charles Blenkinsopp , Sue Ann Seah
Abstract: A system providing various improved perceptions techniques for haptic feedback above interactive surfaces that require no contact with either tools, attachments or the surface itself is described. A range of receptors in a perceiving member which is part of the human body is identified to create substantially uniformly perceivable feedback. A vibration frequency that is in the range of the receptors in the perceiving member is chosen and dynamically altered to create substantially uniformly perceivable feedback throughout the receiving member.
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Patent Agency Ranking
公开(公告)号：US20190206202A1
公开(公告)日：2019-07-04
申请号：US16159695
申请日：2018-10-14
Applicant: ULTRAHAPTICS IP LTD
Inventor： Thomas Andrew Carter , Benjamin John Oliver Long , Sriram Subramanian , Robert Charles Blenkinsopp , Sue Ann Seah
CPC classification number: G08B6/00 , G06F3/016 , G06F3/043 , G06F3/16 , G06F3/167 , H04R1/403 , H04R2217/03
Abstract: A system providing various improved perceptions techniques for haptic feedback above interactive surfaces that require no contact with either tools, attachments or the surface itself is described. A range of receptors in a perceiving member which is part of the human body is identified to create substantially uniformly perceivable feedback. A vibration frequency that is in the range of the receptors in the perceiving member is chosen and dynamically altered to create substantially uniformly perceivable feedback throughout the receiving member.
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公开(公告)号：US20210043070A1
公开(公告)日：2021-02-11
申请号：US17080840
申请日：2020-10-27
Applicant: ULTRAHAPTICS IP LTD
Abstract: A system providing various improved calibration techniques for haptic feedback is described. An acoustic field is defined by one or more control points in a space within which the acoustic field may exist. Each control point is assigned an amplitude value equating to a desired amplitude of the acoustic field at the control point. Because complete control of space is not possible, controlling the acoustic field at given points yields erroneous local maxima in the acoustic field levels at other related positions. In relation to mid-air haptic feedback, these can interfere in interactions with the space by creating secondary effects and ghost phenomena that can be felt outside the interaction area. The level and nature of the secondary maxima in the acoustic field is determined by how the space is controlled. By arranging the transducer elements in different ways, unwanted effects on the acoustic field can be limited and controlled.
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公开(公告)号：US10818162B2
公开(公告)日：2020-10-27
申请号：US15210661
申请日：2016-07-14
Applicant: Ultrahaptics IP Ltd
Abstract: A system providing various improved calibration techniques for haptic feedback is described. An acoustic field is defined by one or more control points in a space within which the acoustic field may exist. Each control point is assigned an amplitude value equating to a desired amplitude of the acoustic field at the control point. Because complete control of space is not possible, controlling the acoustic field at given points yields erroneous local maxima in the acoustic field levels at other related positions. In relation to mid-air haptic feedback, these can interfere in interactions with the space by creating secondary effects and ghost phenomena that can be felt outside the interaction area. The level and nature of the secondary maxima in the acoustic field is determined by how the space is controlled. By arranging the transducer elements in different ways, unwanted effects on the acoustic field can be limited and controlled.
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公开(公告)号：US20210183215A1
公开(公告)日：2021-06-17
申请号：US17176899
申请日：2021-02-16
Applicant: ULTRAHAPTICS IP LTD
Inventor： Thomas Andrew Carter , Benjamin John Oliver Long , Sriram Subramanian , Robert Charles Blenkinsopp , Sue Ann Seah
Abstract: A system providing various improved perceptions techniques for haptic feedback above interactive surfaces that require no contact with either tools, attachments or the surface itself is described. A range of receptors in a perceiving member which is part of the human body is identified to create substantially uniformly perceivable feedback. A vibration frequency that is in the range of the receptors in the perceiving member is chosen and dynamically altered to create substantially uniformly perceivable feedback throughout the receiving member.
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公开(公告)号：US09841819B2
公开(公告)日：2017-12-12
申请号：US15047757
申请日：2016-02-19
Applicant: Ultrahaptics IP Ltd
Inventor： Thomas Andrew Carter , Benjamin John Oliver Long , Sriram Subramanian , Robert Charles Blenkinsopp , Sue Ann Seah , William Thierry Alain Frier
Abstract: A system providing various improved perceptions techniques for haptic feedback above interactive surfaces that require no contact with either tools, attachments or the surface itself is described. A range of receptors in a perceiving member which is part of the human body is identified to create substantially uniformly perceivable feedback. A vibration frequency that is in the range of the receptors in the perceiving member is chosen and dynamically altered to create substantially uniformly perceivable feedback throughout the receiving member.
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