Method and apparatus for controlling the optical head during...

Details Method and apparatus for controlling the optical head during... Method and apparatus for controlling the optical head during...

2006-01-17

2006-01-17

Dinh, Tan (Department: 2653)

Dynamic information storage or retrieval

Information location or remote operator actuated control

Selective addressing of storage medium

C369S030270

Reexamination Certificate

active

06987713

ABSTRACT:
Apparatus for clearing of an obstacle if the smooth transfer of a head is interfered with in an apparatus for reproducing data recorded in a recording medium having address information. If an obstacle is detected, the head, which is frictionally engaged in a movable manner with a drive shaft secured to an oscillation actuator that expands and contracts in response to the application of a drive signal, is transferred by driving the oscillation actuator such that it expands and contracts at different speeds.

REFERENCES:
patent: 5003522 (1991-03-01), Dolby
patent: 5031055 (1991-07-01), Yanagisawa
patent: 5640376 (1997-06-01), Morishima
patent: 6424606 (2002-07-01), Okazaki et al.

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