| (84) |
Designated Contracting States: |
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AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL
NO PL PT RO RS SE SI SK SM TR |
| (30) |
Priority: |
28.04.2011 US 201161480249 P
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| (43) |
Date of publication of application: |
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05.03.2014 Bulletin 2014/10 |
| (60) |
Divisional application: |
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14171182.0 / 2792788 |
| (73) |
Proprietor: ABB Schweiz AG |
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5400 Baden (CH) |
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| (72) |
Inventor: |
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- CHEN, Shih-Chin
Dublin, OH 43017 (US)
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| (74) |
Representative: ABB Patent Attorneys |
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c/o ABB Schweiz AG
Intellectual Property CH-IP
Brown Boveri Strasse 6 5400 Baden 5400 Baden (CH) |
| (56) |
References cited: :
EP-A1- 1 665 981 US-A- 4 910 688
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EP-A1- 1 768 108 US-A1- 2011 082 692
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- "Spectral density estimation", Wikipedia , 25 February 2008 (2008-02-25), XP002679604,
Retrieved from the Internet: URL:http://web.archive.org/web/20080303134 910/http://en.wikipedia.org/wiki/Spectral_
density_estimation [retrieved on 2008-03-03]
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