0001193125-07-105875 10-Q 5 20070331 20070508 20070508 OSI SYSTEMS INC 0001039065 3674 330238801 CA 0630 10-Q 34 000-23125 07827782 12525 CHADRON AVE HAWTHORNE CA 90250 3109780516 12525 CHADRON AVENUE HAWTHORNE CA 90250 10-Q 1 d10q.htm FORM 10-Q (03/31/2007) EX-31.1 2 dex311.htm CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 EX-31.2 3 dex312.htm CERTIFICATION PURSUANT TO SECTION 302 OF THE SARBANES-OXLEY ACT OF 2002 EX-32.1 4 dex321.htm CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLY ACT OF 2002 EX-32.2 5 dex322.htm CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002