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| 국가/구분 | United States(US) Patent 등록 |
|---|---|
| 국제특허분류(IPC7판) |
|
| 출원번호 | US-0489068 (1995-06-09) |
| 발명자 / 주소 |
|
| 출원인 / 주소 |
|
| 대리인 / 주소 |
|
| 인용정보 | 피인용 횟수 : 331 인용 특허 : 0 |
A method and apparatus for interfacing the motion of an object with a digital processing system includes a sensor for detecting movement of the object along a degree of freedom. A passive pneumatic or hydraulic damper is coupled to the object to provide a damping resistance to the object along the d
A method and apparatus for interfacing the motion of an object with a digital processing system includes a sensor for detecting movement of the object along a degree of freedom. A passive pneumatic or hydraulic damper is coupled to the object to provide a damping resistance to the object along the degree of freedom and resist a movement of the object. The damping resistance is provided by regulating the control of a fluid with a digital computing apparatus, thus providing a low-cost, low-power force-feedback interface that is safe for the user. The damper and sensor provide an electromechanical interface between the object and the electrical system. A gimbal or other interface mechanism can be coupled between the damper and the object. The interface is well suited for simulations or video games in which an object such as a joystick is moved and manipulated by the user.
[ What is claimed is:] [1.] An apparatus for interfacing the motion of an object with a host computer, said host computer updating a graphical simulation in response to user manipulation of said object and commanding said apparatus to generate force feedback sensations in coordination with events wi
[ What is claimed is:] [1.] An apparatus for interfacing the motion of an object with a host computer, said host computer updating a graphical simulation in response to user manipulation of said object and commanding said apparatus to generate force feedback sensations in coordination with events within said graphical simulation, said apparatus comprising:a support mechanism providing a degree of freedom to said object with respect to a grounding surface, wherein said object is moveable along said at least one degree of freedom by a user grasping said object;a sensor electrically coupled to said host computer through an interface and coupled to said support mechanism for sensing motion of said object along said first degree of freedom and providing signals to said host computer representing said sensed motions; andan actuator electrically coupled to said host computer and mechanically coupled to said object to create a passive damping resistance to motion of said object along said degree of freedom, said damping resistance resulting from fluid flow through an orifice and being varied by regulating a rate of passive flow of said fluid through said orifice in response to signals from said host computer.
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