Wireless tracking system
First Claim
Patent Images
1. A method of communicating with wireless input devices, comprising:
- receiving wireless signals from the input devices;
determining motion of the wireless input devices based on, in part, detecting by a matrix of detectors, the wireless signals; and
updating a display based on the determined motion of the wireless input devices.
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Abstract
A tracking system for tracking one or more wireless input devices includes a receiver to receive wireless signals from the input devices and a tracking circuit to detect movements of the wireless input devices. The input devices may be either infrared (IR) or radio-frequency (RF) input devices.
192 Citations
36 Claims
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1. A method of communicating with wireless input devices, comprising:
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receiving wireless signals from the input devices;
determining motion of the wireless input devices based on, in part, detecting by a matrix of detectors, the wireless signals; and
updating a display based on the determined motion of the wireless input devices. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A system comprising:
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a plurality of wireless input devices;
a receiver coupled to a matrix of detectors to receive a plurality of wireless signals from the wireless input devices; and
a processor adapted to generate queries to the wireless input devices in a time-multiplexed manner to obtain responses from the wireless input devices one at a time.
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11. An article including a machine-readable storage medium containing instructions for causing a system to track wireless input devices, the instructions when executed causing the system to:
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receive, using a matrix of detectors, a plurality of wireless signals from the wireless input devices;
determine motion of the wireless input devices based on the wireless signals; and
update a display based on the determined motion of the wireless input devices. - View Dependent Claims (12)
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13. A system, comprising:
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a bus;
a host processor operatively coupled to the bus; and
a first wireless unit operatively coupled to the bus, the first wireless unit including a receiver utilizing a matrix of detectors to receive a plurality of wireless signals from a plurality of wireless input devices, and an analysis circuit, operatively coupled to the receiver to determine movement of the wireless input devices. - View Dependent Claims (14, 15, 16)
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17. A system comprising:
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a plurality of wireless input device;
a receiver utilizing a matrix of detectors coupled to receive a plurality of wireless signal from the plurality of wireless input devices; and
a tracking circuit adapted to determine movement of the wireless input devices in at least two dimensions based on the received wireless signal. - View Dependent Claims (18, 19, 20, 21)
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22. A system capable of communicating with a plurality of wireless input devices, comprising:
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a receiver utilizing a matrix of detectors to receive wireless signals from the wireless input devices;
a tracking circuit to detect movements of the wireless input devices; and
a display to display graphical elements movable in response to detected movements of the wireless input devices. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A system comprising:
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a plurality of wireless input devices;
a tracking circuit, utilizing a matrix of detectors, to detect changing distance of each of the wireless input devices based on wireless signals received from the wireless input devices. - View Dependent Claims (33, 34, 35, 36)
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Specification