Kontron, based in Eching, Germany, has acquired a majority stake in Digital-Logic AG, a Swiss manufacturer of rugged embedded computer boards and systems. Kontron will up its holdings to 78 percent, and said it intends to take over 100 percent of Digital-Logic. Kontron said the acquisition increases its market share in Central Europe and in the markets of transportation and aerospace. Digital-Logic will be integrated under the Kontron AG as Kontron Compact Computers AG, the companies said.