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  2. Infrared open-path detector - Wikipedia

    en.wikipedia.org/wiki/Infrared_open-path_detector

    Acquired by Det-Tronics (Detector Electronics Corporation) in 1992, the detector operated in the 3.4 μm region with a powerful incandescent source and a mechanical chopper. It did not achieve large volume sales, mainly because of cost and doubts about long-term reliability with moving parts.

  3. UTC Climate, Controls & Security - Wikipedia

    en.wikipedia.org/wiki/UTC_Climate,_Controls...

    UTC Building & Industrial Systems (July 2003- renamed UTC Fire & Security April 2005) Industry: Fire detection, Fire suppression, Combustion Control, Physical Security, Electronic Security Heating, Ventilating, Air Conditioning, Refrigeration: Founded: 2015; 10 years ago () (as a subsidiary) [1] Defunct: 2020: Fate: Spun-off as Carrier Global ...

  4. Test light - Wikipedia

    en.wikipedia.org/wiki/Test_light

    A test light, test lamp, voltage tester, or mains tester is a piece of electronic test equipment used to determine the presence of electricity in a piece of equipment under test. A test light is simpler and less costly than a measuring instrument such as a multimeter , and often suffices for checking for the presence of voltage on a conductor.

  5. Digital light processing - Wikipedia

    en.wikipedia.org/wiki/Digital_Light_Processing

    Replacement of the lamp in lamp-based units. The life span of an arc lamp averages 2000–5000 hours and the replacement cost for these range from $99 – 350, depending on the brand and model. Newer generations' units use LEDs or lasers which effectively eliminate this issue, although replacement LED chips could potentially be required over ...

  6. Annunciator panel - Wikipedia

    en.wikipedia.org/wiki/Annunciator_panel

    Since incandescent lamps were used, a lamp test button was always provided to allow early detection of failed lamps. Modern electronic distributed control systems usually require less wiring since the process signals can be monitored within the control system, and the engraved windows are replaced by alphanumeric displays on a computer monitor.

  7. TTI, Inc. - Wikipedia

    en.wikipedia.org/wiki/TTI,_Inc.

    Andrews served as Chief Executive Officer until his passing in February 2021. Subsequently, 40-year employee and Chief Operating Officer Mike Morton was promoted to the position of CEO. Originally named Tex-Tronics, Inc., Andrews changed the name to TTI, Inc., in 1973 to avoid a legal dispute involving another company with a similar name.

  8. ecu.test - Wikipedia

    en.wikipedia.org/wiki/Ecu.test

    ecu.test automates the control of the whole test environment and supports a broad range of test tools. Various abstraction layers for measured quantities allow its application on different testing levels, e.g. within the context of model in the loop, software in the loop and hardware in the loop as well as in real systems (vehicle and driver in the loop).

  9. Tektronix - Wikipedia

    en.wikipedia.org/wiki/Tektronix

    In 1956, a large property in Beaverton became available, and the company's employee retirement trust purchased the land and leased it back to the company. [10] Construction began in 1957 and on May 1, 1959, Tektronix moved into its new Beaverton headquarters campus, [10] on a 313-acre (1.27 km 2) site which came to be called the Tektronix Industrial Park.