Patent ID: 7366072

Claim:
An optical heads device for reproducing or recording two or more types of information recording medium different from each other, comprising: a first optical head comprising a first objective lens for reproducing or recording a signal from and to a first information recording medium, and a first objective lens driving means of performing a focusing operation for allowing said first objective lens to follow an information track of said first information recording medium; a second optical head comprising a second objective lens for reproducing or recording a signal from and to the second information recording medium, and a second objective lens driving means of performing a focusing operation for allowing said second objective lens to follow an information track of said second information recording medium, and collision avoidance means of avoiding a collision between said first information recording medium and said second objective lens when said first optical head operates to reproduce or record the signal from and to said first information recording mediums, wherein said collision avoidance means controls said second objective lens driving means by corresponding to a movement of said first objective lens driving means, so that the collision between said first information recording medium and said second obiective lens is avoided.