Zoom lens barrel and camera
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Oct 1, 2002
Grant Date -
Sep 6, 2001
app pub date -
Jan 30, 2001
filing date -
Jan 31, 2000
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A zoom lens barrel which is an integrated zoom and focus drive type zoom lens barrel that moves lens units on a single zoom line having plurality of focusing sections and plurality of zooming sections, wherein the single zoom line has characteristic that the 'rate of change of the relative distance of the two lens units with regard to a barrel rotation angle' in each focusing section becomes smaller in the focusing sections of the telephoto side.
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Family
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Cited Art Landscape
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