1
James F Kramer: Force feedback and textures simulating interface device. February 2, 1993: US05184319 (331 worldwide citation)

A man-machine interface is disclosed which provides force and texture information to sensing body parts. The interface is comprised of a force actuating device that produces a force which is transmitted to a force applying device. The force applying device applies the generated force to a pressure s ...


2
James F Kramer: Accurate, rapid, reliable position sensing using multiple sensing technologies. Virtual Technologies, January 7, 1997: US05592401 (266 worldwide citation)

In accordance with the subject invention, devices and methods are provided for the accurate reporting of movement of an entity. Sensors which are accurate, but provide a delayed signal ("delayed signal sensors"), which delay is unacceptable for many applications, may be used in conjunction with fast ...


3
James F Kramer: Accurate, rapid, reliable position sensing using multiple sensing technologies. Virtual Technologies, Flehr Hohbach Test Albritton & Herbert, November 14, 2000: US06148280 (183 worldwide citation)

In accordance with the subject invention, devices and methods are provided for the accurate reporting of movement of an entity. Sensors which are accurate, but provide a delayed signal ("delayed signal sensors"), which delay is unacceptable for many applications, may be used in conjunction with fast ...


4
James F Kramer: Accurate, rapid, reliable position sensing using multiple sensing technologies. Virtual Technologies, Flehr Hohbach Test Albritton & Herbert, July 27, 1999: US05930741 (173 worldwide citation)

In accordance with the subject invention, devices and methods are provided for the accurate reporting of movement of an entity. Sensors which are accurate, but provide a delayed signal ("delayed signal sensors"), which delay is unacceptable for many applications, may be used in conjunction with fast ...


5
James F Kramer: Force feedback and texture simulating interface device. Virtual Technologies, May 20, 1997: US05631861 (124 worldwide citation)

A man-machine interface is disclosed which provides force, texture, pressure and temperature information to sensing body parts. The interface is comprised of a force-generating device (900) that produces a force which is transmitted to a force-applying device (902) via force-transmitting means (908) ...


6
James F Kramer, Felix Maier, Laurence Kuo: Interface for controlling a graphical image. Immersion Corporation, Thelen Reid & Priest, David B Ritchie, August 2, 2005: US06924787 (119 worldwide citation)

An interface device for interfacing a user with a computer, the computer running an application program and generating a graphical image and a graphical object, comprises a user manipulatable object in communication with the computer, a sensor to detect a manipulation of the object, the sensor provi ...


7
James F Kramer, Paul C Ning: System for providing a service to venues where people aggregate. Hoozware, December 21, 2010: US07856360 (100 worldwide citation)

A system and method for providing a service to promoters, including venues and advertising sponsors, who wish to provide promotions. The service includes making promoter promotions accessible by the mobile phones of members associated with an organization. Typically a promotion and member are matche ...


8
Ron Carmel, Hugo J C DesRosiers, Daniel Gomez, James F Kramer, Jerry Tian, Marc Tremblay, Christopher J Ullrich: System, method and data structure for simulated interaction with graphical objects. Immersion Corporation, Thelen Reid & Preist, David B Ritchie, May 23, 2006: US07050955 (91 worldwide citation)

Object simulation and interaction of and between computer-generated or graphical objects in a virtual space includes neutral scene graphs, data structures and procedures for using such graphs and data structures.


9
James F Kramer, William R George, Peter Lindener: Strain-sensing goniometers, systems and recognition algorithms. The Board of Trustees of the Leland Stanford Junior University, January 18, 1994: US05280265 (87 worldwide citation)

Goniometers are provided having internal compensation employing two opposing variable resistance strain sensing elements separated by a flexible film. The goniometers may be used in sets for detecting complex hinge or joint movements, where patterns of hinge or joint positions may be used to define ...


10
James F Kramer: Force feedback and texture simulating interface device. Immersion Corporation, Thelen Reid & Priest, David B Ritchie, December 27, 2005: US06979164 (80 worldwide citation)

A man-machine interface is disclosed which provides force, texture, pressure and temperature information to sensing body parts. The interface is comprised of a force-generating device (900) that produces a force which is transmitted to a force-applying device (902) via force-transmitting means (908) ...