Avago Technologies General IP (Singapore) Pte. Ltd.
인용정보
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0인용 특허 :
27
초록▼
A system for generating position information includes a first set of image data, a second set of image data, and a processor. The first set of image data is generated to indicate the position of a surface plane marker. The second set of image data is generated to indicate the position of a retrorefl
A system for generating position information includes a first set of image data, a second set of image data, and a processor. The first set of image data is generated to indicate the position of a surface plane marker. The second set of image data is generated to indicate the position of a retroreflector. The processor is configured to receive the first and second sets of image data and to generate position information indicative of the relative position of the surface plane marker relative to the retroreflector.
대표청구항▼
What is claimed is: 1. A system for generating position information, the system comprising: means for generating a first set of image data indicative of the position of a surface plane marker; means for generating a second set of image data indicative of the position of a retroreflector; a processo
What is claimed is: 1. A system for generating position information, the system comprising: means for generating a first set of image data indicative of the position of a surface plane marker; means for generating a second set of image data indicative of the position of a retroreflector; a processor configured to receive the first and second sets of image data and to generate position information indicative of the relative position of the surface plane marker relative to the retroreflector; wherein the retroreflector is coupled to a pointing device, wherein the surface plane marker is fixed to a surface plane and located in a fixed position on the surface plane, wherein the pointing device and retroreflector are movable over the surface plane and relative to the surface plane marker, wherein the system includes a computer, and wherein the position information is used to convey computer mouse functions. 2. The system of claim 1, further comprising an image collection system configured to generate the first set of image data and the second set of image data. 3. The system of claim 2, wherein the image collection system further comprises light sources and an imager for collecting images of the surface plane, including the surface plane marker and retroreflector. 4. A system for generating position information, the system comprising: a reflector coupled to a pointing device; a marker fixed to a surface plane and located in a fixed position on the surface plane; an image collection system configured to generate a first set of image data and a second set of image data, wherein the first set of image data includes an indication of the reflector position and the second set of image data includes an indication of the marker position; and a processor configured to use the first set of image data and the second set of image data to generate position information indicative of the relative position of the marker relative to the reflector; wherein the pointing device and reflector are configured to move over the surface plane and relative to the marker and such that the processor is configured to use the first set of image data and the second set of image data to track the relative movement of the reflector relative to the marker, wherein the system includes a computer into which the image collection system is integrated, and wherein the position information is used to convey mouse commands. 5. The system of claim 4, wherein the marker is a second reflector. 6. The system of claim 5, wherein the reflector and the second reflector are each retroreflectors. 7. A method for generating position information, the method comprising: coupling a retroreflector to a pointing device; moving the pointing device and the retroreflector on a surface plane and relative to a surface plane marker, wherein the surface plane marker is fixed to the surface plane and located in a fixed position on the surface plane; generating a first set of image data indicative of the position of the surface plane marker; generating a second set of image data indicative of the position of the retroreflector; generating position information indicative of the relative position of the surface plane marker relative to the retroreflector; and conveying mouse functions with the position information. 8. The method of claim 7, further comprising generating the first set of image data and the second set of image data with an image collection system. 9. The method of claim 8, further comprising collecting images of the surface plane, including the surface plane marker and retroreflector, with the image collection system, the image collection system comprising light sources and an imager. 10. The method of claim 8, further comprising integrating the image collection system into a computer. 11. A method for generating position information for a system, the method comprising: coupling a retroreflector to a pointing device; moving the pointing device and the retroreflector on a surface plane and relative to a surface plane marker, wherein the surface plane marker is fixed to the surface plane and located in a fixed position on the surface plane; generating a first set of image data indicative of the position of the reflector that is coupled to the pointing device; generating a second set of image data indicative of the position of the marker that is located in a fixed position on the surface plane; processing the first set of image data and the second set of image data to generate position information indicative of the position of the marker relative to the reflector as the pointing device is moved relative to the surface plane; and generating position information within a computer system, wherein the position information is used to convey mouse functions. 12. The system of claim 1, wherein the surface plane marker is fixed to a computer housing. 13. The system of claim 12, wherein the image collection system is mounted in a screen housing of a computer. 14. The system of claim 13, wherein the pointing device is separate from the computer. 15. The system of claim 1, wherein the surface plane marker comprises features of the surface plane. 16. The system of claim 15, wherein the processor is configured to track movements of the pointing device relative to the features of the surface plane as the pointing device moves over the surface plane. 17. The system of claim 16, wherein the pointing device comprises a computer mouse.
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