Patents by Inventor John Glassmire
John Glassmire has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11500487Abstract: A device including a body configured to be grasped by a user's hand and a touch surface oriented on a first surface of the body, wherein the touch surface is configured to be engaged by an appendage of the user's hand when the body is grasped by the user's hand. The device also includes a friction modulator associated with the touch surface, wherein the friction modulator is configured to modulate a coefficient of friction between the user's appendage and the touch surface to provide haptic feedback.Type: GrantFiled: April 6, 2021Date of Patent: November 15, 2022Assignee: Northwestern UniversityInventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Publication number: 20210255726Abstract: A device including a body configured to be grasped by a user's hand and a touch surface oriented on a first surface of the body, wherein the touch surface is configured to be engaged by an appendage of the user's hand when the body is grasped by the user's hand. The device also includes a friction modulator associated with the touch surface, wherein the friction modulator is configured to modulate a coefficient of friction between the user's appendage and the touch surface to provide haptic feedback.Type: ApplicationFiled: April 6, 2021Publication date: August 19, 2021Inventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Patent number: 11016597Abstract: A device including a body configured to be grasped by a user's hand and a touch surface oriented on a first surface of the body, wherein the touch surface is configured to be engaged by an appendage of the user's hand when the body is grasped by the user's hand. The device also includes a friction modulator associated with the touch surface, wherein the friction modulator is configured to modulate a coefficient of friction between the user's appendage and the touch surface to provide haptic feedback.Type: GrantFiled: February 19, 2020Date of Patent: May 25, 2021Assignee: NORTHWESTERN UNIVERSITYInventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Publication number: 20200183520Abstract: A device including a body configured to be grasped by a user's hand and a touch surface oriented on a first surface of the body, wherein the touch surface is configured to be engaged by an appendage of the user's hand when the body is grasped by the user's hand. The device also includes a friction modulator associated with the touch surface, wherein the friction modulator is configured to modulate a coefficient of friction between the user's appendage and the touch surface to provide haptic feedback.Type: ApplicationFiled: February 19, 2020Publication date: June 11, 2020Inventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Patent number: 10620769Abstract: A device including a body configured to be grasped by a user's hand and a touch surface oriented on a first surface of the body, wherein the touch surface is configured to be engaged by an appendage of the user's hand when the body is grasped by the user's hand. The device also includes a friction modulator associated with the touch surface, wherein the friction modulator is configured to modulate a coefficient of friction between the user's appendage and the touch surface to provide haptic feedback.Type: GrantFiled: May 9, 2019Date of Patent: April 14, 2020Assignee: NORTHWESTERN UNIVERSITYInventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Patent number: 10564790Abstract: A method of creating a haptic effect on a touch surface, the method including the steps of detecting a location of a first appendage and a second appendage on a touch surface, applying a mechanical force to the first and second appendages at the detected locations on the touch surface, modulating the amplitude of the mechanical force to adjust a friction force applied to the first appendage and second appendage to simulate a texture.Type: GrantFiled: February 20, 2019Date of Patent: February 18, 2020Assignee: NORTHWESTERN UNIVERSITYInventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Publication number: 20190265818Abstract: A device including a body configured to be grasped by a user's hand and a touch surface oriented on a first surface of the body, wherein the touch surface is configured to be engaged by an appendage of the user's hand when the body is grasped by the user's hand. The device also includes a friction modulator associated with the touch surface, wherein the friction modulator is configured to modulate a coefficient of friction between the user's appendage and the touch surface to provide haptic feedback.Type: ApplicationFiled: May 9, 2019Publication date: August 29, 2019Inventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Patent number: 10331285Abstract: A method of creating a haptic effect on a touch surface, the method including the steps of detecting a location of a first appendage and a second appendage on a touch surface, applying a mechanical force to the first and second appendages at the detected locations on the touch surface, modulating the amplitude of the mechanical force to adjust a friction force applied to the first appendage and second appendage to simulate a texture.Type: GrantFiled: October 30, 2017Date of Patent: June 25, 2019Assignee: NORTHWESTERN UNIVERSITYInventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Publication number: 20190187842Abstract: A method of creating a haptic effect on a touch surface, the method including the steps of detecting a location of a first appendage and a second appendage on a touch surface, applying a mechanical force to the first and second appendages at the detected locations on the touch surface, modulating the amplitude of the mechanical force to adjust a friction force applied to the first appendage and second appendage to simulate a texture.Type: ApplicationFiled: February 20, 2019Publication date: June 20, 2019Inventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Patent number: 10048823Abstract: A method of imitating a texture on a touch surface, the method including the steps of sensing a position of a user's finger on the touch surface, modulating a coefficient of friction of the touch surface in response to the sensed position of a user's appendage relative to the touch surface and/or a derivative thereof, where the friction modulator does not alter the contour of the touch surface in a manner that is perceptible to a user's sight or touch.Type: GrantFiled: July 20, 2017Date of Patent: August 14, 2018Assignee: NORTHWESTERN UNIVERSITYInventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Publication number: 20180120982Abstract: A method of creating a haptic effect on a touch surface, the method including the steps of detecting a location of a first appendage and a second appendage on a touch surface, applying a mechanical force to the first and second appendages at the detected locations on the touch surface, modulating the amplitude of the mechanical force to adjust a friction force applied to the first appendage and second appendage to simulate a texture.Type: ApplicationFiled: October 30, 2017Publication date: May 3, 2018Inventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Publication number: 20180011571Abstract: A method of imitating a texture on a touch surface, the method including the steps of sensing a position of a user's finger on the touch surface, modulating a coefficient of friction of the touch surface in response to the sensed position of a user's appendage relative to the touch surface and/or a derivative thereof, where the friction modulator does not alter the contour of the touch surface in a manner that is perceptible to a user's sight or touch.Type: ApplicationFiled: July 20, 2017Publication date: January 11, 2018Inventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Patent number: 9804724Abstract: An indirect haptic device having a substrate having a touch surface, a position sensor of a user's clothed appendage relative to the touch surface, a friction modulator associated with the substrate, a control device connected to the position sensor and the friction modulator, wherein a coefficient of friction on the touch surface is modulated in response to a sensed position of a user's clothed appendage relative to the touch surface and/or a derivative thereof.Type: GrantFiled: August 6, 2015Date of Patent: October 31, 2017Assignee: NORTHWESTERN UNIVERSITYInventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Publication number: 20150355714Abstract: An indirect haptic device having a substrate having a touch surface, a position sensor of a user's clothed appendage relative to the touch surface, a friction modulator associated with the substrate, a control device connected to the position sensor and the friction modulator, wherein a coefficient of friction on the touch surface is modulated in response to a sensed position of a user's clothed appendage relative to the touch surface and/or a derivative thereof.Type: ApplicationFiled: August 6, 2015Publication date: December 10, 2015Inventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Patent number: 9104285Abstract: A haptic device provides an indirect haptic device, having a substrate having a touch surface, a position sensor and a friction modulator associated with the substrate, a control device connected to the position sensor and the friction modulator, wherein a coefficient of friction on the touch surface is modulated in response to a sensed position of relative to the touch surface and/or a derivative thereof.Type: GrantFiled: August 11, 2014Date of Patent: August 11, 2015Assignee: NORTHWESTERN UNIVERSITYInventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Publication number: 20140347323Abstract: A haptic device provides an indirect haptic device, having a substrate having a touch surface, a position sensor and a friction modulator associated with the substrate, a control device connected to the position sensor and the friction modulator, wherein a coefficient of friction on the touch surface is modulated in response to a sensed position of relative to the touch surface and/or a derivative thereof.Type: ApplicationFiled: August 11, 2014Publication date: November 27, 2014Inventors: James Edward Colgate, Michael A. Peshkin, John Glassmire, Laura Winfield Alexander
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Patent number: 8836664Abstract: A haptic device provides indirect haptic feedback and includes a substrate having a touch surface, a position sensor and a friction modulator associated with the substrate, wherein a coefficient of friction of the touch surface is modulated in response to a sensed position of relative to the touch surface and/or a derivative thereof.Type: GrantFiled: February 19, 2013Date of Patent: September 16, 2014Assignee: Northwestern UniversityInventors: James Edward Colgate, Michael Peshkin, John Glassmire, Laura Winfield Alexander
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Patent number: 8405618Abstract: A haptic device provides indirect haptic feedback and virtual texture sensations to a user by modulation of friction of a touch surface of the device in response to one or more sensed parameters and/or time. The sensed parameters can include, but are not limited to, sensed position of the user's finger, derivatives of sensed finger position such as velocity and/or acceleration, sensed finger pressure, and/or sensed direction of motion of the finger. The touch surface is adapted to be touched by a user's bare finger, thumb or other appendage and/or by an instrument such as a stylus held by the user.Type: GrantFiled: March 21, 2007Date of Patent: March 26, 2013Assignee: Northwestern UniversityInventors: James Edward Colgate, Michael Peshkin, John Glassmire, Laura Winfield
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Publication number: 20070236450Abstract: A haptic device provides indirect haptic feedback and virtual texture sensations to a user by modulation of friction of a touch surface of the device in response to one or more sensed parameters and/or time. The sensed parameters can include, but are not limited to, sensed position of the user's finger, derivatives of sensed finger position such as velocity and/or acceleration, sensed finger pressure, and/or sensed direction of motion of the finger. The touch surface is adapted to be touched by a user's bare finger, thumb or other appendage and/or by an instrument such as a stylus held by the user.Type: ApplicationFiled: March 21, 2007Publication date: October 11, 2007Inventors: James Colgate, Michael Peshkin, John Glassmire, Laura Winfield