Photometry device for a camera
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United States of America Patent
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Jan 7, 1997
Issued Date -
N/A
app pub date -
May 29, 1996
filing date -
Jun 8, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A photometric device for use in a camera includes, but is not limited to, a segmented brightness measuring unit which segments a photographic scene of a camera into multiple areas and which outputs corresponding multiple photometric values. A spectral analysis unit performs spectral analysis of the spatial frequency of a photographic subject using the corresponding multiple photometric values output by the segmented brightness measuring unit. Also, a photometric computation unit computes photometric values based on the spectral pattern of the photographic subject output by the spectral analysis unit. The spectral analysis unit may be disposed within the photometric device, or may be located elsewhere in a camera's body.
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