IPC분류정보
국가/구분 |
United States(US) Patent
등록
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국제특허분류(IPC7판) |
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출원번호 |
UP-0759782
(2004-01-16)
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등록번호 |
US-7623115
(2009-12-02)
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발명자
/ 주소 |
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출원인 / 주소 |
- Sony Computer Entertainment Inc.
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대리인 / 주소 |
Martine Penilla & Gencarella, LLP
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인용정보 |
피인용 횟수 :
127 인용 특허 :
170 |
초록
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An input device for interfacing with a computing device is provided. The input device includes a body configured to be held within a human hand. The input device includes a light emitting diode (LED) affixed to the body and a power supply for the LED. A mode change activator is integrated into the b
An input device for interfacing with a computing device is provided. The input device includes a body configured to be held within a human hand. The input device includes a light emitting diode (LED) affixed to the body and a power supply for the LED. A mode change activator is integrated into the body, where the mode change activator is configured to cause a change of a color of a light originating from the LED. The color change is capable of being detected to cause a mode change at the computing device. Methods for detecting input commands from an input source within a field of sight of an image capture device, and a computing system which includes the input device are provided.
대표청구항
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What is claimed is: 1. A method for triggering input commands of a program run on a computing system, comprising: defocusing an image capture device that is placed in a direction of a display screen; monitoring a field of view in front of the image capture device; identifying a light emitting diode
What is claimed is: 1. A method for triggering input commands of a program run on a computing system, comprising: defocusing an image capture device that is placed in a direction of a display screen; monitoring a field of view in front of the image capture device; identifying a light emitting diode (LED) light source within the field of view, the (LED) light source being pointed in the direction of the image capture device, the identifying being done from a defocused image produced by the image capture device having a diffuser, such that defocusing the image capture device produces an expanded region of pixels around captured light of the (LED) light source; tracking the (LED) light source as it is moved, the expanded region of pixels around the (LED) light source increasing pixel data usable to identify the (LED) light source during the tracking, and the display screen illustrating objects that can be interacted with; detecting a change in light emitted from the (LED) light source; and in response to detecting the change, triggering an input command at the program run on the computing system, the input command acting to interface with one or more objects illustrated on the display screen. 2. The method of claim 1, wherein the change in light is one of a color change, and a light variation change. 3. The method of claim 1, wherein the (LED) light source is emits multiple colors of light. 4. The method of claim 1, wherein the method operation of identifying a light source within the field of view includes, masking background light effects within the field of view. 5. The method of claim 4, wherein the method operation of masking background light effects within the field of view includes, reducing an amount of light allowed into an aperture of the image capture device. 6. The method of claim 1, wherein the input command causes a mode change linked to a cursor displayed on the display screen associated with the computing system. 7. The method of claim 1, wherein the method operation of identifying the (LED) light source within the field of view includes, defining an area representing the (LED) light source within a grid associated with the image capture device and the defocusing is configured to expand the area representing the (LED) light source within the grid. 8. The method of claim 7, wherein the method operation of identifying a light source within the field of view includes, calculating a centroid of an image representing the (LED) light source through a grid associated with the image capture device, such that the centroid is of the expanded area representing the (LED) light source within the grid. 9. The method of claim 8, further comprising: translating coordinates of the centroid to a location on a display screen associated with the computing system; detecting movement of the (LED) light source within the field of view; and correlating the movement of the (LED) light source to movement of a cursor on the display screen. 10. A method for detecting input commands from an input source within a field of sight of an image capture device positioned near a display screen, comprising: defocusing the image capture device using a diffuser; minimizing an amount of light entering the image capture device; detecting a first LED color light from the input source through the image capture device, the first LED color light being directed toward the display screen and the image capture device, such that directing the first LED color light toward the display screen enables interactive movement of a cursor on the display screen; detecting a change from the first LED color light to a second LED color light; identifying a position of the light entering the image capture device from the defocused image capture device, the defocusing causing the light entering the image capture device to expand and produce an expanded region of pixels around the light to facilitate identification and tracking of the light; and presenting a mode change in response to changing to the second LED color light, the mode change operating to cause an action on one or more objects being illustrated on the display screen. 11. The method of claim 10 wherein the method operation of minimizing an amount of light entering an image capture device includes, reducing an aperture size of the image capture device to enhance a signal representing light from the input source relative to other captured image data. 12. The method of claim 11 wherein the method operation of reducing an aperture size of the image capture device results in filtering background light capable of interfering with light received from the input device. 13. The method of claim 10 wherein the method operation of detecting a first LED color light signal from the light source through the image capture device includes, determining a location of a center of the first LED color light signal on a coordinate system associated with the image capture device; and mapping the location to a corresponding location on a display screen. 14. The method of claim 10 wherein the method operation of detecting a change from the first color light to a second color light includes, detecting the second LED color light from the input source; and comparing pixel values associated with the first LED color light to pixel values associated with the second LED color light. 15. The method of claim 10 further comprising: reverting to the first color light from the second color light; and in response to reverting to the first color light, terminating the mode change. 16. The method of claim 10 wherein the mode change is associated with one of a click and drag operation and a highlighting operation. 17. The method of claim 10 wherein the first color light and the second color light originate from one of a single light emitting diode or multiple light emitting diodes. 18. A computing system, comprising: (a) a hand held input object having a body, the body having an end with a light emitting diode (LED), the body including a button; (b) an image capture device being positioned in a direction of a display screen, the image capture device having a diffuser to produce a defocused image; (c) a computing device configured for interfacing with the hand held input object and the image capture device, the computing device including, logic for monitoring a field of view associated with the image capture device; logic for tracking a position of a light source of the LED, the defocused image producing an expanded region of pixels around captured light from the LED light source to increase pixel data usable to identify the LED light source during tracking, the LED light source being pointed in a direction that is toward the display screen, the monitoring and tracking being of the LED light source from the defocused image; logic for detecting a change in the light source; and logic for triggering a mode change command at a main program run through the computing device, in response to the detected change in the LED light source as caused by a press in the button of the hand held input object, the mode change triggering an action for interfacing with one or more objects illustrated on the display screen. 19. The computing system of claim 18, wherein the computing device is one of a game console, a general computer, networked computer, and a distributed processing computer. 20. The computing system of claim 18, wherein the logic for detecting a color change in the LED light source includes, logic for detecting a change in a pixel value associated with the LED light source; and logic for detecting a change in a position of the LED light source relative to the image capture device. 21. The computing system of claim 19, wherein each logic element is one or a combination of hardware and software. 22. The computing system of claim 20, wherein the logic for detecting a change in a position of the LED light source relative to the image capture device includes, logic for calculating a centroid of an image representing the LED light source through a grid associated with the image capture device. logic for translating coordinates of the centroid to a location on a display screen associated with the computing system; logic for detecting movement of the LED light source within the field of view; and logic for correlating the movement of the LED light source to movement of a cursor on the display screen. 23. The computing system of claim 22, wherein the logic for correlating the movement of the LED light source to movement of a cursor on the display screen includes, logic for adjusting a scale associated with translation of the movement of the LED light source to the movement of the cursor according to a distance of a user relative to the image capture device. 24. The computing system of claim 18, further comprising: logic for minimizing an amount of light entering the image capture device in order to mask background light not associated with the LED light source. 25. An system including input device for interfacing with a computing device, the system comprising: (a) the input device including, (i) a body; (ii) a light emitting diode (LED) affixed to the body of the input device; (iii) a power supply for the LED; (iv) a mode change activator integrated into the body of the input device, the mode change activator configured to cause a variation of a light originating from the LED, wherein the variation is capable of being detected to cause a mode change at the computing device; (b) a display screen configured to illustrate objects; (c) an image capture device having a diffuser, the diffuser configured to render defocused images by the image capture device so as to produce an expanded region of pixels around a light of the LED, the expanded region of pixels increasing pixel data to identify the light of the LED, the image capture device being placed at a location of the display screen, the image capture device being configured to capture the LED of the input device when directed toward the display screen to enable interaction with illustrated objects as a result of the mode change, the mode change being a result of the LED of the input device changing from one color to another color, and the mode change being discontinued when the changing in light reverts back to an original color or another color, as triggered by the mode change activator of the input device. 26. The system of claim 25, wherein the mode change activator is configured to cycle between two variations of the light. 27. The system of claim 25, wherein the body includes a first end and a second end, a first LED affixed to the first end, a second LED affixed to the second end. 28. The system of claim 27, wherein the first LED emits a first variant of light and the second LED emits a second variant of light. 29. The system of claim 25, further comprising: an infrared emitter. 30. The system of claim 25, wherein the body includes a first LED adjacently located to a second LED, the first LED emitting a first variant of light and the second LED emitting a second variant of light. 31. The system of claim 25, wherein the body is configured to be held within a human hand. 32. The system claim 25, wherein the body is a ring configured to fit over a human finger. 33. The system of claim 25, wherein the body is thimble shaped and the LED is affixed to a base of the thimble shaped body. 34. The system of claim 25, wherein the mode change activator is configured to cycle between at least three light variant changes.
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