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US 5,103,360 AGranted
Magnetic recording and/or reproducing apparatus in which a head and a recording medium are detached from each other pursuant to the position of the head confronting the medium
AssigneeCanon Kabushiki Kaisha
InventorMasaya Maeda
Life of this patent
Estimating the term…
Abstract
A recording and/or reproducing apparatus including a magnetic transducing head arranged in transducing relationship with the recording surface of a magnetic disc, a moving device for moving the head along the recording surface of the disc, and a detaching mechanism for detaching the head and the recording surface of the disc from each other at a predetermined position of the head on the recording surface of the disc.
Claims8
A recording and/or reproducing apparatus using a disc type medium;
- comprising:
- (a) a transducing head;
- (b) means for moving said head on said medium'
- (c) means for detecting that a prescribed time has passed while said head has been held unmoved by said moving means and for outputting a characteristic signal which represents that said prescribed time has been passed;
- (d) changing means for changing a relative position between said transducing head and said medium to a predetermined position for detaching said head from said medium;
- and
- (e) means for operating said changing means in response to said characteristic signal.
4 more elements
A control apparatus for controlling a transducing head and moving means for moving said transducing head vis-a-vis a recording disc, comprising:
- (a) means for detecting that a prescribed time has passed while said head has been held unmoved by said moving means and for outputting a characteristic signal which represents that said prescribed time has been passed;
- (b) changing means for changing a relative position between said transducing head and said medium to a predetermined position for detaching said head form said medium;
- and
- (c) means for operating said changing means in response to said characteristic signal.
1 more element
Dependencies are inferred from the claim text.