Imaging scanner with illumination and exposure control
First Claim
1. An imager for imaging target objects comprising:
- an illumination source for providing illumination directed toward a target object, an intensity of the illumination being a function of a magnitude of current provided to the illumination source;
photosensitive circuitry located within said imager for capturing an image from the target object while the imager is activated during an exposure period; and
a selectively adjustable imaging mode for selecting either of;
the magnitude of current provided to said illumination source or the exposure period of said imager such that the other of said magnitude of current or the exposure period is automatically adjusted as a result of said selection.
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Accused Products
Abstract
An imager (12) is provided for imaging target objects (26) comprising an illumination source (22) for providing illumination (24) that is reflected (30) from a target object (26), an intensity of the illumination being a function of a magnitude of current provided to the illumination source (22) and photosensitive circuitry (36) located within the imager (12) for capturing an image reflected from the target object (26) to the imager (12) while the imager is activated during an exposure period. The imager (12) further comprises a selectively adjustable imaging mode (120) for selecting either of: the magnitude of current (130) provided to the illumination source (22) or exposure period (230) of the imager such that the other of the magnitude of current or exposure period of the imager is automatically adjusted (150, 240) as a result of the selection.
25 Citations
25 Claims
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1. An imager for imaging target objects comprising:
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an illumination source for providing illumination directed toward a target object, an intensity of the illumination being a function of a magnitude of current provided to the illumination source; photosensitive circuitry located within said imager for capturing an image from the target object while the imager is activated during an exposure period; and a selectively adjustable imaging mode for selecting either of;
the magnitude of current provided to said illumination source or the exposure period of said imager such that the other of said magnitude of current or the exposure period is automatically adjusted as a result of said selection. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method for imaging target objects comprising:
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illuminating a target object with an illumination source to produce a reflected image of the target object, an intensity of the illumination being a function of a magnitude of current provided to the illumination source; capturing the reflected image of the target object on photosensitive circuitry located within said imager while the imager is activated during an exposure period; selecting an adjustable imaging mode for selecting either of;
the magnitude of current provided to the illumination source or exposure period of said imager; andautomatically adjusting the other of said magnitude of current provided to the illumination source or exposure period of said imager as a result of said selection of said adjustable imaging mode. - View Dependent Claims (16, 17, 18, 19)
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20. An imager for imaging target objects comprising:
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an illumination means for providing illumination that is reflected from the target object, an intensity of the illumination means being a function of a magnitude of current provided to the illumination means; capturing means located within said imager for capturing the image reflected from a target object to the imager while the imager is activated during an exposure period; and a selectively adjustable imaging mode for selecting either of;
the magnitude of the current provided to said illumination source or exposure period of said imager such that the other of said magnitude of current or exposure period of said imager is automatically adjusted as a result of said selection.
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21. An imaging-based reader for imaging target objects comprising:
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an imager for imaging a target object, the imager energized by a power source; an illumination source for providing illumination directed toward the target object;
an intensity of the illumination being a function of a magnitude of current provided to the illumination source;photosensitive circuitry located within said imager for capturing an image from the target object while the imager is activated during an exposure period; a selectively adjustable imaging mode for selecting either of;
the magnitude of the current provided to the illumination source or the exposure period of said imager such that the other of the magnitude of current or exposure period of said imager is automatically adjusted as a result of said selection; anda check routine for determining the type of power source used to energize the imager, the adjustable imaging mode disabled when the determined type of power source is an in-line power and said adjustable imaging mode enabled when the determined type of power source is a remote power source. - View Dependent Claims (22, 23, 24, 25)
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Specification