최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | UP-0236330 (2005-09-27) |
등록번호 | US-7812860 (2010-11-01) |
발명자 / 주소 |
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 | 피인용 횟수 : 85 인용 특허 : 546 |
A device for capturing rendered text is described. The device incorporates one or more visual sensors that receive visual information as a part of capturing rendered text. The visual sensors are collectively capable of capturing both text that is permanently printed on a page, and text that is displ
A device for capturing rendered text is described. The device incorporates one or more visual sensors that receive visual information as a part of capturing rendered text. The visual sensors are collectively capable of capturing both text that is permanently printed on a page, and text that is displayed transitorily on a dynamic device. The device further incorporates a visual information disposition subsystem for disposing of visual information received by the visual sensors. The device further incorporates a package that bears the visual sensors and the visual information disposition subsystem, and is suitable to be held in a human hand.
We claim: 1. A device for capturing rendered text, comprising: one or more visual sensors that receive visual information as part of capturing rendered text, the visual sensors collectively being capable of capturing both text permanently printed on a page and text displayed transitorily on a dynam
We claim: 1. A device for capturing rendered text, comprising: one or more visual sensors that receive visual information as part of capturing rendered text, the visual sensors collectively being capable of capturing both text permanently printed on a page and text displayed transitorily on a dynamic display device; a visual information disposition subsystem for disposing of visual information received by the visual sensors, wherein the visual information disposition subsystem transmits to a computer system data representing a position on a display device from which one of the visual sensors is receiving visual information; and a package bearing the visual sensors and the visual information disposition subsystem suitable to be held in a human hand. 2. The device of claim 1 wherein the visual information disposition subsystem transmits to a computer system data representing images of both captured text that is permanently printed on a page and captured text displayed transitorily on a dynamic display device. 3. The device of claim 1, wherein the visual information disposition subsystem transmits the data at a time when the visual sensor is receiving visual information from the position represented by the transmitted data, and wherein the computer system determines the text currently being displayed at the position on the display device represented by the transmitted data without receiving from the device data directly representing an image of such text. 4. The device of claim 1, wherein the visual information disposition subsystem transmits the data at a time after the visual sensor received visual information from the position represented by the transmitted data, and wherein the transmitted data is accompanied by a timestamp indicating a time at which the visual sensor received visual information from the position represented by the transmitted data, and wherein the computer system determines the text that was displayed at the position on the display device represented by the transmitted data at the time indicated by the timestamp. 5. The device of claim 1, further comprising optics through which light passes on a path from the rendered text to at least one of the visual sensors, the optics being capable of varying depth of field from the perspective of the visual sensors. 6. A device for capturing rendered text, comprising: one or more visual sensors that receive visual information as part of capturing rendered text, the visual sensors collectively being capable of capturing both text permanently printed on a page and text displayed transitorily on a dynamic display device; a visual information disposition subsystem for disposing of visual information received by the visual sensors; a package bearing the visual sensors and the visual information disposition subsystem suitable to be held in a human hand; and a position determination subsystem that determines the position on the display device from which one of the visual sensors is receiving visual information based upon visual information received by at least one of the visual sensors. 7. A device for capturing rendered text, comprising: one or more visual sensors that receive visual information as part of capturing rendered text, the visual sensors collectively being capable of capturing both text permanently printed on a page and text displayed transitorily on a dynamic display device; a visual information disposition subsystem for disposing of visual information received by the visual sensors, wherein the visual information disposition subsystem transmits to a computer system data representing a position on a display device from which one of the visual sensors is receiving visual information; a capture mode determination subsystem that automatically determines when the visual sensors are receiving visual information as part of capturing text displayed transitorily on a dynamic display device by optically sensing a backlighting generated by the dynamic display device, by optically sensing a cathode ray tube raster scan generated by the dynamic display device, or by sensing a texture of a surface of the dynamic display device; and a package bearing the visual sensors and the visual information disposition subsystem suitable to be held in a human hand. 8. A device for capturing rendered text, comprising: one or more visual sensors that receive visual information as part of capturing rendered text, the visual sensors collectively being capable of capturing both text permanently printed on a page and text displayed transitorily on a dynamic display device; a visual information disposition subsystem for disposing of visual information received by the visual sensors; a capture mode determination subsystem that automatically determines when the visual sensors are receiving visual information as part of capturing text displayed transitorily on a dynamic display device; a sensing frequency determination subsystem that determines a sensing frequency for the visual sensors based upon the determination of the capture mode determination subsystem; and a package bearing the visual sensors and the visual information disposition subsystem suitable to be held in a human hand. 9. A device for capturing rendered text, comprising: one or more visual sensors that receive visual information as part of capturing rendered text, the visual sensors collectively being capable of capturing both text permanently printed on a page and text displayed transitorily on a dynamic display device; a visual information disposition subsystem for disposing of visual information received by the visual sensors; a capture mode determination subsystem that automatically determines when the visual sensors are receiving visual information as part of capturing text displayed transitorily on a dynamic display device; a variable illumination subsystem that is not active to illuminate captured text when the capture mode determination subsystem determines that sensors are receiving visual information as part of capturing text displayed transitorily on a dynamic display device, but is active to illuminate captured text at least some times at which the capture mode determination subsystem determines that sensors are not receiving visual information as part of capturing text displayed transitorily on a dynamic display device; and a package bearing the visual sensors and the visual information disposition subsystem suitable to be held in a human hand. 10. A method in a computing system for determining the location of a text scanning optical sensor on a dynamic display, comprising: presenting at one or more selected locations on a display an optical signal not detectable by a human user; detecting in the optical sensor a presented optical signal; and determining the location on the display at which the detected optical signal was presented. 11. The method of claim 10 wherein the optical signals are presented for too brief a period to be detectable by a human user. 12. The method of claim 10 wherein the presented optical signals are not visually distinguishable enough to be detectable by a human user.
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