Video camera apparatus
AssigneeCanon Kabushiki Kaisha
InventorMasahide Hirasawa
Life of this patent
Estimating the term…
Abstract
A lens control apparatus, which includes a lens drive section for driving a focus adjustment lens group, a lens drive controller for supplying a drive signal to the lens drive section, an automatic focus adjustment circuit for controlling the lens drive controller in an automatic focus adjustment mode, and a manual focus adjustment circuit for controlling the lens drive controller in a manual focus adjustment mode on the basis of a manual focus operation, has a selection circuit for, when a manual focus operation is performed, selecting the manual focus adjustment circuit to execute the drive control of the lens group.
Claims16
A lens control apparatus comprising:
- a) lens drive means for driving a focus lens;
- b) automatic focus adjustment means for controlling said lens drive means in an automatic focus adjustment mode;
- c) manual focus adjustment means for controlling said lens drive means in a manual focus adjustment mode;
- d) mode selecting means for selectively setting said automatic focus adjustment mode and said manual focus adjustment mode;
- and
- e) control means for, when a manual operation is performed, preferentially enabling said manual focus adjustment means to set the manual focus adjustment mode regardless of the state of said mode selecting means.
A lens control apparatus comprising:
- a) lens drive means for driving a focus lens;
- b) automatic focus adjustment means for controlling said lens drive means in an automatic focus adjustment mode;
- c) manual focus adjustment means for controlling said lens drive means in a manual focus adjustment mode;
- d) selection means for selectively switching between the automatic and manual focus adjustment modes;
- and
- e) control means for, when a manual operation is performed, preferentially enabling said manual focus adjustment means to set the manual focus adjustment mode, and resuming the mode regardless of the state of said selection means selected by said selection means upon completion of the manual operation.
A photographing apparatus comprising:
- a) photographing means capable of setting a plurality of photographing modes;
- b) selection means for selecting one of the plurality of photographing modes;
- c) operation means for setting a specific one of the plurality of photographing modes;
- and
- d) control means for, when said operation means is not operated, enabling the photographing mode selected by said selection means, and for, when said operation means is operated, enabling the specific photographing mode regardless of the state of said selection means and successively resuming the photographing mode which had been selected by said selection means prior to the operation of said operation means.
Dependencies are inferred from the claim text.