Thousand Oaks-based Teledyne Technologies has acquired German company Atlas Hydrographic GmbH, a designer and manufacturer of marine sonar systems. Financial terms of the asset buy were not disclosed. According to Teledyne, it will use the buy to strengthen its marine acoustic imaging business. The acquisition was made by Teledyne's subsidiary, Teledyne RESON GmbH. Atlast Hydrographic's marine sonar systems are aimed at mid and deep water applications, such as ocean survey and marine science. Teledyne has a very diversified collection of businesses in instrumentation, digital imaging, aerospace, defense, and engineered systems.