Low cost force feedback interface with efficient power sourcing

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United States of America Patent

PATENT NO 5929607
SERIAL NO

08825726

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Abstract

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A method and apparatus for providing low cost force feedback using efficient power sourcing. A power storage device may be included in a force feedback interface device for storing power provided by an input signal. For example, the power storage device can be a capacitor. The interface device also includes an actuator for outputting forces on a user manipulatable object, such as a joystick, and the interface device is connected to a host computer. The stored power can be used, at least in part, to drive the actuator to output desired forces. A device microprocessor may also be included in the interface device to sense when the power storage device is sufficiently charged. In a different embodiment, power for the interface device is received from two sources; for example, a power supply is used for the actuators of the device and power from the host computer is used for other components of the interface device.

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Patent Owner(s)

Patent OwnerAddressTotal Patents
IMMERSION CORPORATIONSAN JOSE, CA772

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Braun, Adam C Sunnyvale, CA 81 5469
Rosenberg, Louis B Pleasanton, CA 332 28185
Schena, Bruce M Menlo Park, CA 141 12490

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