Active impact protection system

Measuring and testing – Volume or rate of flow – Combined

Reexamination Certificate

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Reexamination Certificate

active

07059182

ABSTRACT:
An impact protection system for a portable device, comprising a housing20with a plurality of impact absorbing arms22attached to housing20and having a retracted position and an extended position; an extension spring26connected to each arm provides forceful extension of the arms from their retracted position to their extended position; a free-fall detection sensor30defined within housing20for detecting dangerous free-fall conditions of the portable device and providing a signal to an activation controller32which is responsive to the free-fall detection sensor30and connected to the impact absorbing arms22, whereby the arms are extended from their retracted position to their extended position upon detection of dangerous free-fall conditions to provide impact protection for the portable device.

REFERENCES:
patent: 5706168 (1998-01-01), Erler et al.
patent: 5982573 (1999-11-01), Henze
patent: 6570726 (2003-05-01), Mutoh
patent: 6612157 (2003-09-01), Urano et al.
patent: 6704161 (2004-03-01), Pham et al.
patent: 6771449 (2004-08-01), Ito et al.
patent: 6858810 (2005-02-01), Zerbini et al.
patent: 2003/0035281 (2003-02-01), Huang et al.
patent: 2004/0066618 (2004-04-01), Layton et al.
Product literature from: www.oqo.com/hardware/specs/ teaching a portable device with freefall detection and parking of a hard drive head.

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