HAWTHORNE, Calif., April 9 -- OSI Systems Inc. announced it has received $6 million in orders for electronic components and value-added assemblies for x-ray pre-scanners from InVision Technologies Explosives Detection Systems. These follow an order InVision received from the Transportation Security Administration and one for $10 million OSI Systems announced several weeks ago. OSI Systems expects to complete shipments on the combined orders to InVision by the end of this year.