Teledyne Technologies Incorporated is a provider of digital imaging products and software, instrumentation, aerospace and defense electronics, and engineered systems. Its segments include Digital Imaging, which includes sensors, cameras and systems, within the visible, infrared, ultraviolet and X-ray spectra for use in industrial, scientific, government, defense, and others; Instrumentation segment offers monitoring and control instruments for marine, environmental, industrial and other applications, and electronic test and measurement equipment; Aerospace and Defense Electronics segment provides electronic and optical components and subsystems, data acquisition and communications components and equipment, harsh environment interconnects, general aviation batteries and other components, and Engineered Systems segment provides systems engineering, integration and technology development and manufacturing solutions. It also develops and manufactures gas sensors for critical applications.