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US 7,679,657 B2Granted
Image sensing apparatus having electronic zoom function, and control method therefor
AssigneeCanon Kabushiki Kaisha
InventorMasahiko Morita
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AssigneeCanon Kabushiki Kaisha
InventorMasahiko Morita
Estimating the term…
In an image sensing apparatus having an image sensing element that senses an object and outputs image data and an electronic zoom function, either a first processing mode or a second processing mode is set and an angle of view is designated. In the first processing mode, the image sensing element is driven by switching reading regions and reading methods of image data from the image sensing element based on the designated angle of view and the image data is read, processed, and the angle of view determined by the switched reading region is changed to the designated angle of view. In the second processing mode, the reading region and the reading method of the image data are fixed and the image data output from the image sensing element is processed, and the angle of view determined by the fixed reading region changed to the designated angle of view.
An image sensing apparatus having an electronic zoom function, the image sensing apparatus comprising:
A control method for an image sensing apparatus having an image sensing element configured to sense an object and outputs image data and an electronic zoom function, the control method comprising:
Dependencies are inferred from the claim text.
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From the US filing history. Foreign family members aren’t listed.
Studio circuits, e.g. for mixing, switching-over, change of character of image, other special effects ; Cameras specially adapted for the…:…
By using electronic viewfinders: graphical user interfaces [GUI] specially adapted for controlling image capture or setting capture parameters
Control of cameras or camera modules: camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution…
Control of cameras or camera modules: control of means for changing angle of the field of view, e.g. optical zoom objectives or electronic zooming
About 1 year 10 months of term left · ends 28 Aug 2028 (estimated)
1. Field of the Invention
The present invention relates to an image sensing apparatus that senses still images and moving images and a control method therefore, and more particularly, to an image sensing apparatus having an electronic zoom function, and a control method therefor.
2. Description of the Related Art
FIG. 1 is a block diagram showing the configuration of an image sensing system according to an embodiment of the present invention;
FIGS. 2A and 2B are diagrams showing the external appearance of a T/W switch and a circuit structure for detecting operation of the T/W switch according to an embodiment of the present invention;
FIG. 3 is a diagram showing a circuit structure of a portion of an image sensing element according to an embodiment of the present invention;
Preferred embodiments of the present invention will be described in detail in accordance with the accompanying drawings.
Image Sensing System Configuration
FIG. 1 is a block diagram showing the configuration of an image sensing system according to an embodiment of the present invention. In FIG. 1, reference numeral 10 denotes an image sensing apparatus. In the image sensing apparatus 10, reference numeral 11 denotes a zoom lens, 12 denotes a focus lens, 13 denotes a mechanical shutter that shuts out light to a later stage, and 14 denotes an aperture that adjusts the amount of light reaching the later stage. Reference numeral 15 denotes an image sensing element and 16 denotes a timing pulse generator that generates a timing pulse needed for image sensing element 15 driving and sampling that is driven by a system control circuit 24. Reference numeral 17 denotes a CDS element that performs correlated double sampling (CDS) on the output of the image sensing element 15 based on the timing pulse generated by the timing pulse generator 16, and 18 denotes an A/D converter that quantizes the CDS output based on the timing pulse generated by the timing pulse generator 16.