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  2. Closed-circuit television - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television

    Another early CCTV system was installed by Siemens AG at Test Stand VII in Peenemünde, Nazi Germany, in 1942, for observing the launch of V-2 rockets. [ 10 ] In the United States, the first commercial closed-circuit television system became available in 1949 from Remington Rand and designed by CBS Laboratories , called "Vericon". [ 11 ]

  3. EIA 1956 resolution chart - Wikipedia

    en.wikipedia.org/wiki/EIA_1956_resolution_chart

    This chart, in conjunction with the RMA 1946 Resolution Chart [35] and later widescreen patterns, is commonly used to test consumer and professional standalone, smartphone and tablet cameras for photo and videography [12] and other imaging equipment like microscopes [9] or CCTV cameras. [11] [36]

  4. Test card - Wikipedia

    en.wikipedia.org/wiki/Test_card

    Test patterns are also used to calibrate CCTV cameras and monitors, [27] as well as medical imaging displays and equipment for telemedicine and diagnostic purposes, [28] such as the SMPTE RP-133 medical diagnostic imaging test pattern specification for medical and surgical displays, created around 1983 [29] –86; [30] [31] as well as a later ...

  5. Closed-circuit television camera - Wikipedia

    en.wikipedia.org/wiki/Closed-circuit_television...

    Because network cameras are embedded devices, and do not need to output an analogue signal, resolutions higher than closed-circuit television 'CCTV' analogue cameras are possible. A typical analogue CCTV camera has a PAL (768x576 pixels ) or NTSC (720x480 pixels), whereas network cameras may have VGA (640x480 pixels), SVGA (800x600 pixels) or ...

  6. Aeroflex - Wikipedia

    en.wikipedia.org/wiki/Aeroflex

    In 2002, Aeroflex acquired IFR Systems Inc, a test equipment manufacturer from Wichita, Kansas, originally founded in 1937. [6] In 1998, IFR previously acquired Marconi Instruments, a British test equipment manufacturer. [7] In 2007, Aeroflex was taken private by a group of private equity firms including Veritas Capital, Golden Gate Capital, GS ...

  7. List of electrical and electronic measuring equipment

    en.wikipedia.org/wiki/List_of_electrical_and...

    Creates constant-amplitude variable frequency sine waves to test frequency response Transistor tester: Tests transistors Tube tester: Tests vacuum tubes (triode, tetrode etc.) Wattmeter: Measures power in a circuit Vectorscope: Displays the phase of the colors in color TV Video signal generator: Generates video signal for testing purposes Voltmeter

  8. CCTV drain camera (plumbing) - Wikipedia

    en.wikipedia.org/wiki/CCTV_drain_camera_(plumbing)

    CCTV drain cameras, also known as sewer cameras or pipe inspection cameras, are a line of waterproof, high definition cameras that have become a widely popular technology in the plumbing profession. These cameras are advanced diagnostic tools that allow plumbers to execute plumbing inspections, called CCTV Drain Surveys [ 1 ] with heightened ...

  9. List of military electronics of the United States - Wikipedia

    en.wikipedia.org/wiki/List_of_military...

    AN/AAM - Maintenance and Test Sets for Airborne Infrared Equipment Designation Purpose/Description Location/Used By Manufacturer AN/AAM-4: Infrared Equipment Test Bench Harness; used with AN/AAA-4: AN/AAM-21: Cathode-Ray Tube Test Set: Texas Instruments: AN/AAM-29: Cryogenic Refrigerator Test Set; used with AN/AAS-14 [4] AN/AAM-30

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