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Spark gap apparatus and method for electrostatic discharge protection
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Document Number
US Patent 7508644
Issued Date
March 24, 2009
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Inventors
Cheung; Tim O.
(Santa Barbara, CA)
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Fregin; Douglas Edgar
(Waterloo,CA)
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Abstract
An apparatus for providing electrostatic discharge protection includes a plurality of conductive circumferential extensions defined by overlapping circular voids between a first conductor surface and a second conductor surface.
Patent Report
Tags:
spark
gap
apparatus
method
electrostatic
discharge
protection
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Description:
Amusing 0%
Clever 0%
Complex 0%
Efficient 0%
Historic 0%
Important 0%
Innovative 0%
Interesting 0%
Practical 0%
Simple 0%
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Number of Claims:
14
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Owner
Research In Motion Limited
(Waterloo,CA)
Published
March 24, 2009
Application Number
10/881,259
Filed
June 30, 2004
US Classification
361/128
361/111 361/118 361/56
Int'l Classification
H02H 1/00 (20060101) H01C 7/12 (20060101) H02H 1/04 (20060101) H02H 3/22 (20060101) H02H 9/00 (20060101) H02H 9/06 (20060101)
Examiner
Jackson; Stephen W
Assistant Examiner
Thomas; Lucy
Attorney/Law Firm
Pathiyal; Krishna K.
Jones Day
Liang; Robert C.
USPTO Field of Search
361/128 361/111 361/118 361/56
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