Patent ID: 7295390
Filing Date: 2007-11-13
Classification: G02B

Abstract:
1. A lens actuating device comprising: a first lens holder for holding a first lens, the first lens holder being guided by upper and lower guide shafts; a first lead screw that engages with the first lens holder and that moves the first lens holder in directions of an optical axis; a second lens holder for holding a second lens, the second lens holder being guided by the upper and lower guide shafts; a second lead screw that engages with the second lens holder and that moves the second lens holder in the directions of the optical axis; a first motor for rotating the first lead screw; a first gear for transmitting power from the first motor to the first lead screw; a second motor for rotating the second lead screw; a second gear for transmitting power from the second motor to the second lead screw, the second gear being provided between an output shaft of the second motor and the second lead screw; and a housing in which the first and second lens holders, the first and second lead screws, the first and second motors, and the first and second gears are contained.