Device for selecting magnetic head to be operated together with an optical head
AssigneeAsahi Kogaku Kogyo Kabushiki Kaisha
InventorSuguru Takishima
Life of this patent
Estimating the term…
Abstract
A device is provided for selecting a magnetic head to be operated together with an optical head to record or reproduce a signal on a magneto-optical disc. The device includes a first magnetic head and a second magnetic head, each having different capabilities. The first and second magnetic heads are arranged along a radial direction with respect to a magneto-optical disc. The device is capable of determining the type of magneto-optical disc being used, and upon such determination, controls the position of a carriage to position either the first or second magnetic head to face the optical head.
Claims14
A device for selecting a magnetic head to be operated together with an optical head to record or reproduce a signal on a magneto-optical disc, comprising:
- a first magnetic head and a second magnetic head, wherein each of said first and second magnetic heads have different capabilities, said first magnetic head and said second magnetic head being arranged along a radial direction with respect to said magneto-optical disc;
- a carriage movable along the radial direction of said magneto-optical disc, said carriage carrying said first and second magnetic heads;
- determining means for determining the type of magneto-optical disc being used;
- and
- controlling means for controlling the position of said carriage based on the type determined by said determining means, whereby the position of said carriage is controlled so that said first or second magnetic head faces said optical head.
A device for controlling a magnetic head to be operated together with an optical head to record or reproduce a signal on a magneto-optical disc, comprising:
- a first magnetic head and a second magnetic head, wherein said first and second magnetic heads have different capabilities, said first magnetic head and said second magnetic head each being movable in a direction parallel to a predetermined operating plane in which said optical disc is positioned;
- a carriage carrying said first and second magnetic heads;
- determining means for determining the type of magneto-optical disc being used;
- and
- controlling means for controlling the position of said carriage based on the type determined by said determining means, whereby the position of said carriage is controlled so that said first or second magnetic head faces the optical head.
A device for controlling a magnetic head to be operated together with an optical head to record or reproduce a signal on a magneto-optical disc, comprising:
- a first magnetic head and a second magnetic head, wherein said first and second magnetic heads have different capabilities, wherein only one of said first magnetic head and said second magnetic head is aligned with the optical head at any time;
- a carriage carrying said first and second magnetic heads;
- determining means for determining the type of magneto-optical disc being used;
- and
- controlling means for controlling the position of said carriage based on the type determined by said determining means, whereby the position of said carriage is controlled so that said first or second magnetic head faces the optical head.
Dependencies are inferred from the claim text.