Image sensing system for sensing an image and converting the image into image signals with a controlled operating rate
First Claim
Patent Images
1. An image sensing apparatus which provides an external device with image signals, comprising:
- a solid-state image sensing device for sensing an image and converting the image into image signals; and
an input unit adapted to input a control signal, said control signal determined by and received from said external device, for controlling an operating rate of said solid-state image sensing device, wherein the control signal is based on an operating rate of said solid-state image sensing device and a rate at which said external device receives the image signals from said solid-state image sensing device, and wherein the operating rate of said solid-state image sensing device changes on the basis of the control signal input from said input unit.
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Abstract
In an image sensing apparatus using an image sensing device, such as a CCD, to be used by connecting to an external device, such as a computer, an operating rate of the CCD is changed in accordance with a rate at which the computer receives image signals from the image sensing apparatus. Further, when the operating rate of the CCD is changed, a proper exposure value is conjectured to obtain an image sensed at a proper exposure on the basis of operating rates of the CCD before and after the operating rate is changed, and a proper exposure value of the CCD before the operating rate is changed.
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Citations
32 Claims
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1. An image sensing apparatus which provides an external device with image signals, comprising:
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a solid-state image sensing device for sensing an image and converting the image into image signals; and
an input unit adapted to input a control signal, said control signal determined by and received from said external device, for controlling an operating rate of said solid-state image sensing device, wherein the control signal is based on an operating rate of said solid-state image sensing device and a rate at which said external device receives the image signals from said solid-state image sensing device, and wherein the operating rate of said solid-state image sensing device changes on the basis of the control signal input from said input unit. - View Dependent Claims (2)
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3. An image sensing apparatus which provides an external device with image signals, comprising:
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a solid-state image sensing device for sensing an image and converting the image into image signals;
an output unit adapted to output information to be used for comparing an operating rate of said solid-state image sensing device to a rate at which the external device receives the image signals from the image sensing apparatus; and
an input unit adapted to input a control signal, determined by and received from the external device, for controlling an operating rate of said solid-state image sensing device, wherein the control signal is determined on the basis of the output information, and wherein the operating rate of said solid-state image sensing device changes on the basis of the control signal input from said input unit. - View Dependent Claims (4, 5, 6, 7)
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8. An image sensing system including an image sensing unit and a computer, comprising:
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a solid-state image sensing device for sensing an image and converting the image into image signals;
a communication unit adapted to communicate between the image sensing unit and the computer;
an operating rate determination unit, provided in the computer, adapted to determine an operating rate of said solid-state image sensing device on the basis of a current operating rate of said solid-state image sensing device and a rate at which the computer receives the image signals from the image sensing unit and output a control signal for controlling the operating rate of said solid-state image sensing device in accordance with a determination result; and
an operating rate controller, provided in the image sensing unit, adapted to control an operating rate of said solid-state image sensing device in with the control signal outputted by said operating rate determination unit. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. An image sensing apparatus which provides an external device with image signals comprising:
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a solid-state image sensing device for sensing an image and converting the image into image signals; and
an input unit adapted to input a control signal, said control signal determined by and received from said external device, for controlling an operating rate of said solid-state image sensing device, wherein the control signal is based on a difference between an operating rate of said solid-state image sensing device and a rate at which said external device receives the image signals from said solid-state image sensing device, and wherein the operating rate of said solid-state image sensing device changes on the basis of the control signal input from said input unit. - View Dependent Claims (17)
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18. An image sensing apparatus which provides an external device with image signals comprising:
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a solid-state image sensing device for sensing an image and converting the image into image signals; and
an input unit adapted to input a control signal, said control signal determined by and received from said external device, for controlling an operating rate of said solid-state image sensing device, wherein the control signal, based on a comparison result between an operating rate of said solid-state image sensing device and a rate at which said external device receives the image signals from said solid-state image sensing device, and wherein the operating rate of said solid-state image sensing device changes on the basis of the control signal input from said input unit.
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19. An image sensing apparatus which provides an external device with image signals comprising:
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a solid-state image sensing device for sensing an image and converting the image into image signals; and
an input unit adapted to input a control signal, said control signal determined by and received from said external device, for controlling said image sensing apparatus, wherein the control signal is based on an operating rate of said image sensing apparatus and a rate at which said external device receives the image signals from said image sensing apparatus. - View Dependent Claims (20, 21, 22, 23, 24, 25)
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26. An image sensing system including an image sensing apparatus comprising:
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said image sensing apparatus including;
a solid-state image sensing device for sensing an image and converting the image into image signals; and
an input unit adapted to input a control signal, said control signal determined by and received from an external device, for controlling said image sensing apparatus, wherein the control signal is based on an operating rate of said images sensing apparatus and a rate at which said external device receives the image signals from said image sensing apparatus, and wherein said external device includes a control circuit which outputs said control signal. - View Dependent Claims (27, 28, 29, 30, 31, 32)
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Specification