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Filing Detail
Form 10-Q - Quarterly report [Sections 13 or 15(d)]:
SEC Accession No. 0000935494-12-000016
Filing Date
2012-04-30
Accepted
2012-04-30 15:21:45
Documents
11
Period of Report
2012-03-31

Document Format Files

Seq Description Document Type Size
1 NATIONAL INSTRUMENTS 1ST QTR 10Q 2012 a033112.htm 10-Q 1159904
2 EXHIBIT 31.1 ex31_1.htm EX-31.1 18058
3 EXHIBIT 31.2 ex31_2.htm EX-31.2 17691
4 EXHIBIT 32.1 ex32_1.htm EX-32.1 9479
5 NATIONAL INSTRUMENTS LOGO nilogo2c_pc.jpg GRAPHIC 13192
  Complete submission text file 0000935494-12-000016.txt   16806035

Data Files

Seq Description Document Type Size
6 NATIONAL INSTRUMENTS XBRL INSTANCE DOCUMENT ni-20120331.xml EX-101.INS 4197330
7 NATIONAL INSTRUMENTS XBRL TAXONOMY SCHEMA ni-20120331.xsd EX-101.SCH 48936
8 NATIONAL INSTRUMENTS XBRL CALCULATION LINKBASE ni-20120331_cal.xml EX-101.CAL 45751
9 NATIONAL INSTRUMENTS XBRL DEFINITION LINKBASE ni-20120331_def.xml EX-101.DEF 128650
10 NATIONAL INSTRUMENTS XBRL LABEL LINKBASE ni-20120331_lab.xml EX-101.LAB 421728
11 NATIONAL INSTRUMENTS XBRL PRESENTATION LINKBASE ni-20120331_pre.xml EX-101.PRE 291625
Mailing Address 11500 NORTH MOPAC EXPRESSWAY AUSTIN TX 78759
Business Address 11500 NORTH MOPAC EXPRESSWAY AUSTIN TX 78759 5123389119
NATIONAL INSTRUMENTS CORP /DE/ (Filer) CIK: 0000935494 (see all company filings)

IRS No.: 741871327 | State of Incorp.: DE | Fiscal Year End: 1231
Type: 10-Q | Act: 34 | File No.: 000-25426 | Film No.: 12794574
SIC: 7372 Services-Prepackaged Software