1
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 ...


2
Ali Modarres, Juan Manuel Cruz Hernandez, Danny A Grant, Christophe Ramstein: Haptic feedback using composite piezoelectric actuator. Immersion Corporation, Pillsbury Winthrop Shaw Pittman, March 5, 2013: US08390594 (84 worldwide citation)

Human-computer interface devices are described in the present disclosure. In one embodiment, among several embodiments, a human-computer interface includes a display device configured to visually display images to a user and a touch sensitive device configured to sense contact with the user. Further ...


3
Danny A Grant, Pedro Gregorio, Robert A Lacroix: Haptic effects with proximity sensing. Immersion Corporation, Squire Sanders & Dempsey, February 15, 2011: US07890863 (77 worldwide citation)

A method of generating haptic effects on a device includes detecting the presence of an object near an input area of the device and generating a haptic effect on the device in response to the presence detection.


4
Danny A Grant, Pedro Gregorio, Robert W Heubel, Christophe Ramstein: Haptic feedback for button and scrolling action simulation in touch input devices. Immersion Corporation, Kilpatrick Townsend & Stockton, September 11, 2012: US08264465 (60 worldwide citation)

A planar touch control is used to provide input to a computer and haptic feedback is provided thereto. A touch control includes a touch input device with a planar touch surface that inputs a position signal to a processor associated with the computer based on a location of user implemented contact o ...


5
Christopher J Ullrich, Danny A Grant, Stephen D Rank, Munibe M Bakircioglu: System and method for automatically producing haptic events from a digital audio signal. Immersion Corporation, Squire Sanders & Dempsey, July 12, 2011: US07979146 (53 worldwide citation)

The system and method described is directed to receiving digital audio files and automatically converting the received files into haptic events. In an embodiment, the received files are of sampled digital or digitized analog audio files. The system and method separates the audio signal into a plural ...


6
David M Birnbaum, Danny A Grant, Robert W Heubel: Haptically enhanced interactivity with interactive content. Immersion Corporation, Pillsbury Winthrop Shaw Pittman, January 8, 2013: US08352643 (50 worldwide citation)

Interactive content may be presented to a user that is manipulating a peripheral. One or more state parameters that are related to the position of the peripheral may be determined. The peripheral may be identified from a plurality of possible peripherals. The interactive content may be adjusted base ...


7
Danny A Grant, Juan Manuel Cruz Hernandez, Pedro Gregorio, Robert A Lacroix, Patrice Favreau: Systems and methods for controlling a resonant device for generating vibrotactile haptic effects. Immersion Corporation, Kilpatrick Stockton, December 29, 2009: US07639232 (41 worldwide citation)

Systems and methods for controlling a resonant device are described. One described method for braking an actuator includes generating a first actuator signal configured to drive the actuator, the first actuator signal having a first frequency approximately resonant to the actuator, and transmitting ...


8
Danny A Grant, Pedro Gregorio, Robert W Heubel, Christophe Ramstein: Haptic feedback for button and scrolling action simulation in touch input devices. Immersion Corporation, Nixon Peabody, July 31, 2012: US08232969 (38 worldwide citation)

A planar touch control is used to provide input to a computer and haptic feedback is provided thereto. A touch control includes a touch input device with a planar touch surface that inputs a position signal to a processor associated with the computer based on a location of user implemented contact o ...


9
Pedro Gregorio, Danny A Grant, Juan Manuel Cruz Hernandez: Vibration actuator with a unidirectional drive. Immersion Corporation, Squire Sanders, February 19, 2013: US08378965 (38 worldwide citation)

A haptic feedback generation system includes a linear resonant actuator and a drive circuit. The drive circuit is adapted to output a unidirectional signal that is applied to the linear resonant actuator. In response, the linear resonant actuator generates haptic vibrations.


10
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 ...