08692637 is referenced by 5 patents and cites 222 patents.

A magnetic force profile system and related methods and devices based on a sequence of magnets arranged according to a code and acting on a complementary sequence of non-polarized magnetic attraction elements, for example, iron, soft iron, steel, and others. Variations include the addition of polarity codes to the first sequence of magnets, and operation with electromagnets. Exemplary attachment devices and lock and key devices are disclosed.

Title
Magnetic device using non polarized magnetic attraction elements
Application Number
13/959649
Publication Number
8692637 (B2)
Application Date
August 5, 2013
Publication Date
April 8, 2014
Inventor
Mark Roberts
Huntsville
AL, US
Larry W Fullerton
New Hope
AL, US
James L Richards
Fayetteville
TN, US
Agent
James Richards
Assignee
Correlated Magnetics Research
AL, US
IPC
H01F 7/02
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