Patent ID: 6512542
Filing Date: 2003-01-28
Classification: G02B

Abstract:
A TV lens drive unit which moves a variable frame lens group of a TV lens with a motor to thereby adjust a zoom, said TV lens drive unit comprising:zoom control means for designating a telephoto/wide zoom direction and a zoom rate; switch means for designating a constant zoom rate; storage means for storing the zoom direction and the zoom rate, designated by the zoom control means when said switch means is operated, in response to the operation of said switch means during the operation of said zoom control means; and motor control means for invalidating the zoom direction and the zoom rate designated by the zoom control means in response to the operation of said switch means during the operation of said zoom control means, and running said motor so that said zoom rate can be constant in accordance with the designation of the zoom direction and the zoom rate stored in said storage means.