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  2. IP code - Wikipedia

    en.wikipedia.org/wiki/IP_Code

    IP codes IP65 touchscreen display IP65 LED lamp. The IP code or ingress protection code indicates how well a device is protected against water and dust. It is defined by the International Electrotechnical Commission (IEC) under the international standard IEC 60529 [1] which classifies and provides a guideline to the degree of protection provided by mechanical casings and electrical enclosures ...

  3. NEMA enclosure types - Wikipedia

    en.wikipedia.org/wiki/NEMA_enclosure_types

    Each type specifies characteristics of an enclosure, but not, for example, a specific enclosure size. Note that higher numbers do not include the lower-numbered tests. For example, types 3, 4 and 6 are intended for outdoor use, but type 5 is not. A NEMA enclosure rating does not mean that it also meets the same UL enclosure rating. [2]

  4. List of electronic component packaging types - Wikipedia

    en.wikipedia.org/wiki/List_of_electronic...

    Chip-on-glass (COG), a variation of COB, where a chip, typically a liquid crystal display (LCD) controller, is mounted directly on glass. Chip-on-wire (COW), a variation of COB, where a chip, typically a LED or RFID chip, is mounted directly on wire, thus making it a very thin and flexible wire.

  5. Housing (engineering) - Wikipedia

    en.wikipedia.org/wiki/Housing_(engineering)

    A transparent plastic housing around an electronic device. In engineering, a housing or enclosure is a container, a protective exterior (e.g. shell) or an enclosing structural element (e.g. chassis or exoskeleton) designed to enable easier handling, provide attachment points for internal mechanisms (e.g. mounting brackets for electrical components, cables and pipings), maintain cleanliness of ...

  6. Liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Liquid-crystal_display

    An LCD screen used as a notification panel for travellers. Each pixel of an LCD typically consists of a layer of molecules aligned between two transparent electrodes, often made of indium tin oxide (ITO), and two polarizing filters (parallel and perpendicular polarizers), the axes of transmission of which are (in most of the cases) perpendicular to each other.

  7. Active-matrix liquid-crystal display - Wikipedia

    en.wikipedia.org/wiki/Active-matrix_liquid...

    Having supplanted passive-matrix LCDs in general use, in common vernacular, an active-matrix LCD is also simply referred to as a LCD. As of 2025, the term "AMLCD" is uncommon as a matter of technical jargon ; instead, due to their ubiquity, different types of active-matrix liquid crystal displays are usually specified — TFT LCD , IPS LCD ...

  8. Wireless speaker - Wikipedia

    en.wikipedia.org/wiki/Wireless_speaker

    The higher end models add an LCD screen to make it easier to select and store radio stations. Most wireless speakers have a built-in microphone, which allows to receive and make calls using a mobile phone in hands-free mode. When a call comes in, the music automatically shuts off and resumes as soon as the call ends.

  9. Electrical enclosure - Wikipedia

    en.wikipedia.org/wiki/Electrical_enclosure

    An electrical enclosure is a cabinet for electrical or electronic equipment to mount switches, knobs and displays and to prevent electrical shock to equipment users and protect the contents from the environment. The enclosure is the only part of the equipment which is seen by users.

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