Patent ID: 6934096
Filing Date: 2005-08-23
Classification: G02B

Abstract:
1. An image sensing apparatus comprising: a lens barrel having a first barrel, a second barrel, and first and second engaging portions; a determining unit to determine whether or not said lens barrel is in a collapsed position, according to a power switch being turned on; and a driving unit to drive by rotation said lens barrel by a predetermined amount when it is determined by said determining unit that said lens barrel is in a collapsed position; wherein said second barrel is shifted relative to said first barrel to move an optical unit, said second barrel being fitted to said first barrel; and said first and second engaging portions can be engaged with each other when said second barrel is in a predetermined positional relationship with respect to said first barrel and which cannot be engaged with each other when said second barrel is not in said predetermined positional relationship with respect to said first barrel, said first and second engaging portions preventing said second barrel from being disengaged from said first barrel and displaced in a direction along an optical axis relative to said first barrel when said second barrel is in said predetermined positional relationship with respect to said first barrel.