Electronic apparatus and shockproof method
First Claim
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1. An electronic apparatus comprising:
- a disk device having a head;
a sensor which detects a fall; and
a control unit configured to control the disk device to move the head to an unload area using a signal which is independent from commands that are processed by the disk device in an order in which they are accepted, when the sensor detects the fall.
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Abstract
An agravity sensor is a mechanical switch which is opened in an agravity state. A CPU determines based on the output from this agravity sensor if the self apparatus is falling. If it is determined that the self apparatus is falling, the CPU instructs an IDE interface controller to transmit an unload command for retracting a magnetic head to an HDD. At this time, the CPU uses, as the unload command, a reset signal independent from general commands such as a read signal, write signal, and the like, which are processed by the HDD in the order they are accepted.
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Citations
19 Claims
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1. An electronic apparatus comprising:
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a disk device having a head;
a sensor which detects a fall; and
a control unit configured to control the disk device to move the head to an unload area using a signal which is independent from commands that are processed by the disk device in an order in which they are accepted, when the sensor detects the fall. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electronic apparatus comprising:
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a main device;
a peripheral device with a shockproof unit;
a sensor which detects a fall; and
a control unit configured to control the peripheral device to activate the shockproof unit using a signal which is independent from commands that are processed by the peripheral device in an order in which they are accepted from the main device, when the sensor detects the fall. - View Dependent Claims (9, 10, 11, 12, 13)
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14. A shockproof method for an electronic apparatus which has a disk device having a head, and a sensor for detecting a fall, comprising:
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determining whether or not the apparatus is falling; and
controlling the disk device to move the head to an unload area using a signal which is independent from commands that are processed by the disk device in an order in which they are accepted, when the apparatus is falling. - View Dependent Claims (15, 16)
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17. A shockproof method for an electronic apparatus which has a main device, a peripheral device with a shockproof unit, and a sensor for detecting a fall, comprising:
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determining whether or not the apparatus is falling; and
controlling the peripheral device to activate the shockproof unit using a signal which is independent from commands that are processed by the peripheral device in an order in which they are accepted from the main device, when the apparatus is falling. - View Dependent Claims (18, 19)
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Specification