G - Physics – 11 – B
Patent
G - Physics
11
B
352/32.1
G11B 7/00 (2006.01) G11B 7/007 (2006.01) G11B 7/085 (2006.01) G11B 17/00 (2006.01) G11B 20/12 (2006.01) G11B 27/10 (2006.01)
Patent
CA 1181519
ABSTRACT OF THE DISCLOSURE A method of moving a pick-up device of an optical reproducing apparatus to a position corresponding to a desired address of a record disk, the record disk having an information signal and an address signal recorded in an information area thereon, comprising the steps of producing a desired address signal corresponding to the desired address; partitioning the information area into radially partitioned information sections; moving the pick-up device to a position between two adjacent radially partitioned information sections at a speed faster than normal reproducing speed; reproducing the address signal at the last position of the pick-up device; comparing the reproduced address signal at the last position with the desired address signal; further moving the pick-up device in a direction and an amount determined by the comparing step to a position between two adjacent radially partitioned information sections and within one of the radially partitioned information sections between which the pick-up device was last positioned at a speed faster than the normal reproducing speed; and repeating the steps of reproducing, comparing and further moving until the pick-up device is moved to the position corresponding to the desired address. Apparatus for performing the above method is also provided.
403700
Haneda Yoshiaki
Yoshida Tadao
Gowling Lafleur Henderson Llp
Sony Corporation
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