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Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0174466 (1998-10-19) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 283 인용 특허 : 13 |
An imaging optical code reader is adapted for use in producing video displays and for use in motion detection surveillance using video compression and narrow band width communication links. An optical system including a plane parallel plate may be employed to change the system focal distance. The im
An imaging optical code reader is adapted for use in producing video displays and for use in motion detection surveillance using video compression and narrow band width communication links. An optical system including a plane parallel plate may be employed to change the system focal distance. The imaging optical code reader is also adapted for measurement of physical parameters of a target object including motion, distance, weight and dimensions.
1. An optical system for a handheld optical code reader including an image sensor, comprising:an objective lens located in an optical path of the code reader for focusing an image of an optical code onto the image sensor; a carrier rotatable about an axis and having a open first sector radially outw
1. An optical system for a handheld optical code reader including an image sensor, comprising:an objective lens located in an optical path of the code reader for focusing an image of an optical code onto the image sensor; a carrier rotatable about an axis and having a open first sector radially outwardly located from the rotation axis through which optical codes are read, the carrier having a second sector located radially outwardly of the axis, said second sector containing a substantially transparent plate, which when placed in the optical path changes the focal distance of the optical system to a focal distance more appropriate for producing video images with the handheld optical code reader; and means for rotating the carrier for selectively positioning a selected one of first and said second sectors in the optical path.
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