Appeal No. 2002-1910
Application 08/901,409
The disclosed invention relates to a video camera, and
to a zooming method for the same. The video camera determines
whether or not a focus lens is in focus while performing an
optical zoom-in operation, and stores zoom lens position
information and focus lens position information only when it is
determined that the focus lens is in focus. If the focus lens
becomes out of focus during the zoom-in operation, the stored
zoom lens position information and focus lens position
information are used to place the lens in focus.
Claim 1 is illustrative of the claimed invention, and
it reads as follows:
1. A video camera zooming method comprising the steps
of:
(a) judging whether or not a focus lens is in focus
while performing an optical zoom-in operation;
(b) storing zoom lens position information and focus
lens position information only when it is determined that the
focus lens is in focus in step (a);
(c) continuing to perform the optical zooming
operation only when it is determined in step (a) that the focus
lens is in focus;
(d) performing a focusing operation, using the focus
lens position information and corresponding zoom lens position
information which have been stored in step (b), when the focus
lens is judged to be not in focus in step (a) to obtain a video
signal; and
2
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