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11. 发明授权

US06705871B1 Method and apparatus for providing an interface mechanism for a computer simulation 有权
公开(公告)号：US06705871B1
公开(公告)日：2004-03-16
申请号：US09448536
申请日：1999-11-22
申请人： JoeBen Bevirt , David F. Moore , John Q. Norwood , Louis B. Rosenberg , Mike D. Levin
发明人： JoeBen Bevirt , David F. Moore , John Q. Norwood , Louis B. Rosenberg , Mike D. Levin
IPC分类号： G09B2328
CPC分类号： G09B23/285 , A61B34/70 , A61B34/71 , A61B34/76 , A61B2034/742 , G05G9/04 , G06F3/016 , G06F3/0338 , G06F3/05
摘要： A mechanical interface for providing high bandwidth and low noise mechanical input and output for computer systems. A gimbal mechanism includes multiple members that are pivotably coupled to each other to provide two revolute degrees of freedom to a user manipulatable about a pivot point located remotely from the members at about an intersection of the axes of rotation of the members. A linear axis member, coupled to the user object, is coupled to at least one of the members, extends through the remote pivot point and is movable in the two rotary degrees of freedom and a third linear degree of freedom. Transducers associated with the provided degrees of freedom include sensors and actuators and provide an electromechanical interface between the object and a computer. Capstan band drive mechanisms transmit forces between the transducers and the object and include a capstan and flat bands, where the flat bands transmit motion and force between the capstan and interface members. Applications include simulations of medical procedures, e.g. epidural anesthesia, where the user object is a needle or other medical instrument, or other types of simulations or games.

12. 发明授权

US5999168A Haptic accelerator for force feedback computer peripherals 失效
标题翻译：触觉加速器用于力反馈计算机外围设备
公开(公告)号：US5999168A
公开(公告)日：1999-12-07
申请号：US804535
申请日：1997-02-21
申请人： Louis B. Rosenberg , Christopher J. Hasser , Bruce M. Schena , Mike D. Levin
发明人： Louis B. Rosenberg , Christopher J. Hasser , Bruce M. Schena , Mike D. Levin
IPC分类号： A63F13/06 , G05G9/047 , G06F3/00 , G06F3/01 , G06F3/038 , G09G5/08 , G06F3/033
CPC分类号： G06F3/016 , A63F13/06 , G05G9/047 , G06F3/0383 , A63F13/211 , A63F13/285 , A63F2300/1025 , A63F2300/1037 , G05G2009/04766 , G05G2009/04777 , G06F2203/015 , H01H2003/008
摘要： A force feedback interface including a haptic accelerator that relieves the computational burden associated with force feedback generation from a force feedback processor. The force feedback processor is preferably a device microprocessor included in the interface device and separate from a controlling host computer for determining forces to be output. The haptic accelerator quickly determines velocity and/or acceleration information describing motion of a user manipulatable object from raw position data received from sensors of the interface device and representing the position of the user object. The velocity and/or acceleration data is used by the force feedback processor in the determination of forces to be output on the user object. The haptic accelerator can in some embodiments also quickly and reliably determine condition forces which depend on the motion of the user object, thus relieving additional computation burden from the force feedback processor and permitting the force feedback processor to focus on determining other types of forces and overseeing the operation of the force feedback interface device.
摘要翻译：一种力反馈界面，包括一个抵消力反馈处理器产生力反馈相关的计算负担的触觉加速器。力反馈处理器优选地是包括在接口设备中的设备微处理器，并且与控制主计算机分离以确定要输出的力。触觉加速器快速地确定速度和/或加速度信息，其描述从接口装置的传感器接收的并且表示用户对象的位置的原始位置数据中的用户可操纵对象的运动。力反馈处理器使用速度和/或加速度数据来确定在用户物体上输出的力。在一些实施例中，触觉加速器还可以快速且可靠地确定取决于用户对象的运动的状态力，从而减轻来自力反馈处理器的额外计算负担，并允许力反馈处理器专注于确定其他类型的力并监督力反馈接口设备的操作。

13. 发明授权

US5828197A Mechanical interface having multiple grounded actuators 失效
标题翻译：具有多个接地执行器的机械接口
公开(公告)号：US5828197A
公开(公告)日：1998-10-27
申请号：US736161
申请日：1996-10-25
申请人： Kenneth M. Martin , Mike D. Levin , Louis B. Rosenberg
发明人： Kenneth M. Martin , Mike D. Levin , Louis B. Rosenberg
IPC分类号： A61B19/00 , B25J9/16 , G06F3/033 , G09B23/28 , G05B19/10
CPC分类号： B25J9/1689 , A61B34/70 , A61B34/71 , A61B34/76 , G06F3/0346 , G09B23/28 , A61B2034/742 , G05B2219/35419 , G05B2219/40144
摘要： An apparatus and method for interfacing the motion of a user-manipulable object with a computer system includes a user object physically contacted or grasped by a user. A 3-D spatial mechanism is coupled to the user object, such as a stylus or a medical instrument, and provides three degrees of freedom to the user object. Three grounded actuators provide forces in the three degrees of freedom. Two of the degrees of freedom are a planar workspace provided by a closed-loop linkage of members, and the third degree of freedom is rotation of the planar workspace provided by a rotatable carriage. Capstan drive mechanisms transmit forces between actuators and the user object and include drums coupled to the carriage, pulleys coupled to grounded actuators, and flexible cables transmitting force between the pulleys and the drums. The flexibility of the cable allows the drums to rotate with the carriage while the pulleys and actuators remain fixed to ground. The interface also may include a floating gimbal mechanism coupling the linkage to the user object. The floating gimbal mechanism includes rotatably coupled gimbal members that provide three degrees of freedom to the user object and capstan mechanisms coupled between sensors and the gimbal members for providing enhanced sensor resolution.
摘要翻译：用于将用户可操纵对象与计算机系统的运动对接的装置和方法包括用户实际接触或掌握的用户对象。三维空间机构耦合到诸如触笔或医疗器械的用户对象，并且向用户对象提供三个自由度。三个接地执行器提供了三个自由度的力。自由度中的两个是由构件的闭环联动提供的平面工作空间，并且第三自由度是由可旋转托架提供的平面工作空间的旋转。绞盘驱动机构在致动器和用户物体之间传递力并且包括联接到滑架的滚筒，耦合到接地致动器的滑轮和在滑轮和滚筒之间传递力的柔性电缆。电缆的灵活性允许鼓与滑架一起旋转，同时滑轮和致动器保持固定在地面上。该接口还可以包括将该链接耦合到用户对象的浮动万向架机构。浮动万向架机构包括可旋转地联接的万向架构件，其向用户物体提供三个自由度，并且联接在传感器和万向节构件之间的主导机构用于提供增强的传感器分辨率。

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