1
Kollin M Tierling, Adam C Braun, Alex Goldenberg: Providing enhanced haptic feedback effects. Immersion Corporation, Thelen Reid Brown Raysman & Steiner, May 15, 2007: US07218310 (111 worldwide citation)

Method and apparatus for providing high strength, low frequency tactile sensations using an inertial actuator in a haptic feedback interface device, such as an actuator driving an oscillating inertial mass. A commanded low frequency is modulated or combined with a higher frequency at which the tacti ...


2
Danny A Grant, Kollin M Tierling, Juan Manuel Cruz Hernandez, Alex S Goldenberg: System and method for controlling haptic devices having multiple operational modes. Immersion Corporation, Squire Sanders & Dempsey, June 22, 2010: US07742036 (101 worldwide citation)

A haptic device having a plurality of operational modes, including a first operational mode and a second operational mode is provided. The first operational mode is associated with a frequency range. The second operational mode is associated with a frequency range that is different from the frequenc ...


3
Kenneth M Martin, Steven P Vassallo, Alex S Goldenberg, Alexander Jasso, Kollin M Tierling: Method and apparatus for providing tactile sensations. Immersion Corporation, Kilpatrick Townsend & Stockton, April 17, 2012: US08159461 (71 worldwide citation)

Products and processes for providing tactile sensations to input devices or electronic devices are provided. Input devices include mechanical input devices (such as, for example, mechanical switches) and non-mechanical input devices (such as, for example, touchpads). Tactile feedback is provided by ...


4
Kollin M Tierling: Envelope modulator for haptic feedback devices. Immersion Corporation, Thelen Reid & Priest, David B Ritchie, December 26, 2006: US07154470 (70 worldwide citation)

An amplitude modulator circuit includes a reference oscillator and an envelope modulator coupled to the reference oscillator for receiving a reference signal. A microcontroller is coupled to the envelope modulator for providing an envelope signal to the envelope modulator and a low pass filter is co ...


5
Adam C Braun, Kollin M Tierling, Kenneth M Martin, Bruce M Schena: Method and apparatus for compensating for position slip in interface devices. Immersion Corporation, Kilpatrick Townsend & Stockton, January 24, 2012: US08103472 (53 worldwide citation)

Method and apparatus for compensating for position slip in interface devices that may occur between a manipulandum and a sensor of the device due to a mechanical transmission. A device position delta is determined from a sensed position of a manipulandum of an interface device. It is determined if p ...


6
Kollin M Tierling, Juan Manuel Cruz Hernandez, Alex S Goldenberg, Danny A Grant: System and method for mapping instructions associated with haptic feedback. Immersion Corporation, Squire Sanders & Dempsey, September 7, 2010: US07791588 (31 worldwide citation)

An embodiment of the invention provides a system and method for mapping instructions associated with haptic feedback. An apparatus having a controller including an effect mapper is disclosed. The controller is configured to receive effect instructions from at least one application. The effect mapper ...


7
Robert A Lacroix, Pedro Gregorio, Kollin M Tierling: Haptic feedback system with stored effects. Immersion Corporation, Squire Sanders & Dempsey, January 17, 2012: US08098234 (24 worldwide citation)

A haptic feedback system that includes a controller, a memory coupled to the controller, an actuator drive circuit coupled to the controller, and an actuator coupled to the actuator drive circuit. The memory stores at least one haptic effect that is executed by the controller in order to create a ha ...


8
Adam C Braun, Kollin M Tierling, Kenneth M Martin, Bruce M Schena: Method and apparatus for compensating for position slip in interface devices. Immersion Corporation, Kilpatrick Stockton, June 7, 2005: US06903721 (23 worldwide citation)

Method and apparatus for compensating for position slip in interface devices that may occur between a manipulandum and a sensor of the device due to a mechanical transmission. A device position delta is determined from a sensed position of a manipulandum of an interface device. It is determined if p ...


9
Kollin M Tierling, Danny A Grant: Systems and methods for resonance detection. Immersion Corporation, Kilpatrick Townsend & Stockton, April 17, 2012: US08156809 (21 worldwide citation)

Systems and methods for resonance detection are disclosed. For example, one method for resonance detection includes the step of transmitting an actuator signal to an actuator coupled to a surface of a device. The actuator signal is configured to cause the actuator to output a force to the surface. T ...


10
Robert Andre Lacroix, Pedro Gregorio, Kollin M Tierling: Haptic feedback system with stored effects. Immersion Corporation, Miles & Stockbridge P C, December 31, 2013: US08619051 (18 worldwide citation)

A haptic feedback system that includes a controller, a memory coupled to the controller, an actuator drive circuit coupled to the controller, and an actuator coupled to the actuator drive circuit. The memory stores at least one haptic effect that is executed by the controller in order to create a ha ...