US Patent No: 5,841,471
Number of patents in Portfolio can not be more than 2000
Timing control for a digitally interfaced camera using variable line readout intervals
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Nov 24, 1998
Issued date -
Sep 12, 1996
filing date -
08/712,689
serial no -
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Abstract
A digital camera is designed to capture images and transfer the captured images to a host computer. The camera includes an image sensor exposed to image light for capturing the images and generating image signals; a timing generator, incorporating a line request control signal, for controlling the readout of lines of photosites from the image sensor; an A/D converter for converting the image signals into digital image data; a digital memory for storing at least one line of digital image data; and a digital interface for providing the digital image data read from the digital memory to the host computer. By initiating a new line readout in response to the line request control signal indicating the fullness of the digital memory, the camera is able to use the image sensor as an analog frame memory, instead of having a full digital frame memory in the camera, so that only a small line store is required.
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First Claim
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International Classification(s)
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Cited Art
| Patent Info | (Count) | # Cites | Year |
|---|---|---|---|
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| 5,475,441 Electronic camera with memory card interface to a computer | 189 | 1992 | |
| 5,506,617 Electronic camera incorporating a computer-compatible bus interface | 92 | 1992 | |
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| 5,309,247 Image pick-up device | 6 | 1991 | |
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| 5,517,241 EEPROM memory card for an electronic still camera | 15 | 1993 | |
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| 5,568,192 Method and apparatus for processing digital video camera signals | 80 | 1995 | |
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| 4,205,337 Television film scanner | 35 | 1978 | |