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Method of Calibrating a Data Recording Unit

a data recording and data technology, applied in the direction of instruments, digital computer details, measurement of explosion force, etc., can solve the problems of high occurrence of blast-induced traumatic brain injuries (tbi), tbi has been noted to lead to injuries ranging from headaches and mild concussions to severe casualties, memory loss, etc., to achieve the effect of high occurrence of blast-induced traumatic brain injuries

Inactive Publication Date: 2013-01-10
MED ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

The present invention is a data recorder that can be attached to a combat helmet to measure and record head acceleration caused by violent events like explosions and blast crashes. This recorder is small and powered by batteries to record the vector components of acceleration in three-dimensional space. The data can be used to investigate the characteristics and severity of brain injuries caused by violent events and assess the effectiveness of protective equipment. The recorder also includes a power management system to extend its operational time in the field.

Problems solved by technology

Despite current designs of head protection, exposure of a large number of soldiers to detonation of improvised explosive devices (IEDs) has resulted in a high occurrence of blast-induced traumatic brain injuries (TBI).
TBI has been noted to lead to injuries ranging from headaches and mild concussions to severe casualties including severe concussions and memory loss.

Method used

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  • Method of Calibrating a Data Recording Unit
  • Method of Calibrating a Data Recording Unit
  • Method of Calibrating a Data Recording Unit

Examples

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Embodiment Construction

[0055]Referring to FIGS. 1 to 7, a data recording unit 1 according to an embodiment of the present invention comprises a sensor 3 for sensing acceleration, and circuitry 5 (FIG. 7) for recording acceleration data. The unit includes a source 6 of electrical power, which may comprise one or more battery cells, for example, cells 6a to 6h, which may be standard “coin” cells. A communication port 7 may be provided for connection to and / or communication with an external device. Components of the data recording unit may be mounted on a circuit card assembly 8 which may be subsequently encapsulated in an epoxy mold 9 to form an integral unit 11. A cap 13 is provided to cover the front and peripheral edge of the unit and the unit and cap are mounted on a protective helmet 15, as shown in FIG. 1. In this embodiment, the rear face 17 of the unit generally conforms to the shape of the part of the helmet against which it is mounted. The unit may be designed to be mounted on the rear part of a h...

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Abstract

A method of calibrating a data recording unit for measuring head acceleration, including the steps of providing a data recording unit mounted to a head protector, mounting the head protector on a support, subjecting the head protector and support to a force or pressure, measuring acceleration of the head protector resulting from the force or pressure, measuring acceleration of the support resulting from the force or pressure, and determining a relationship between the measured acceleration of the head protector and of the support.

Description

CROSS-REFERENCE TO RELATED APPLICATIONS[0001]This patent application is a continuation of co-pending U.S. patent application Ser. No. 12 / 746,370, filed Jun. 4, 2010, which is a national stage application of International Application No. PCT / CA2008 / 002124, filed on Dec. 8, 2008, which claims the benefit of U.S. Provisional Application No. 60 / 996,855, filed Dec. 7, 2007, which are each incorporated by reference in their entirety.FIELD OF THE INVENTION[0002]The present invention relates to apparatus and methods for measuring and recording data from potentially injurious events to which humans may be exposed.SUMMARY OF THE INVENTION[0003]Embodiments of the present invention provide a data recorder adapted for mounting on a combat helmet to measure and record parameters indicative of head acceleration resulting from violent events such as violent impact and blast events. Despite current designs of head protection, exposure of a large number of soldiers to detonation of improvised explosi...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): G01P15/00G01P1/12G06F19/00
CPCA61B2560/0209A61B5/11A61B2562/0219F41H1/04A61B5/6803G01P1/127A42B3/046A61B5/6814A61B5/7275G01L5/14
Inventor LEVINE, JEFFREYWONG, DOUGCHIN, LOCK-SUIDIONNE, JEAN-PHILIPPECROSSMAN, DANIELHERDIC, PETERHOUSTON, BRIANCORSARO, ROBERTHUBLER, GRAHAMBYERS, JEFFREYOPACHKO, KENNYBERDOZ, ALAINFRANK, PHILKOST, JASON
Owner MED ENG
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