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  2. Active pen - Wikipedia

    en.wikipedia.org/wiki/Active_pen

    The crop marks on the surface indicate the active area, which measures 14.7×9.2 cm or 5.8×3.6 in. An active pen (also referred to as active stylus) is an input device that includes electronic components and allows users to write directly onto the display of a computing device such as a smartphone, tablet computer or ultrabook. [1]

  3. Stylus (computing) - Wikipedia

    en.wikipedia.org/wiki/Stylus_(computing)

    Capacitive styluses work by distorting the screen’s electrostatic field. [9] Screens that receive input from a capacitive stylus (as well as human fingers) can't register pressure applied by the pen; tilting of the pen; and can't distinguish between a capacitive stylus, your finger, or a resting palm as input - it will register all of these ...

  4. Universal Stylus Initiative - Wikipedia

    en.wikipedia.org/wiki/Universal_Stylus_Initiative

    The Universal Stylus Initiative (USI) is a non-profit alliance of companies promoting a technical standard for interoperable active pen styluses on touchscreen devices such as phones, tablets, and computers.

  5. UV marker - Wikipedia

    en.wikipedia.org/wiki/UV_Marker

    An ultraviolet (UV) marker is a pen whose marks are fluorescent but transparent; the marks can be seen only under an ultraviolet light. They are commonly used in security situations to identify belongings or to prevent the reproduction of unauthorized banknotes. UV pens can now be bought at some stationery shops to securely mark items of high ...

  6. Surface Pen - Wikipedia

    en.wikipedia.org/wiki/Surface_Pen

    A new version of the Surface Pen was launched in 2014 with the Surface Pro 3. [6] Based on technology developed by N-trig [7] (a separate company at the time, though subsequently acquired by Microsoft), [8] the Surface Pro 3 version lacks the eraser tip present in the previous generation; erasing is done by drawing over the ink strokes while holding down one of two physical buttons on the side ...

  7. Digital pen - Wikipedia

    en.wikipedia.org/wiki/Digital_pen

    A smart pen has the same basic characteristics as a digital pen, but also has other features like voice recording or a text scanner. A smart pen is generally larger and has more features than an active pen. Digital pens typically contain internal electronics and have features such as touch sensitivity, input buttons, memory for storing ...

  8. Gel pen - Wikipedia

    en.wikipedia.org/wiki/Gel_pen

    Gel pens can be used for many types of writing and illustration. The general design of a gel pen is similar to that of a regular ink-based pen, with a barrel containing the writing mechanism and a cap, and a reservoir filled with ink. At the end of the ink tube is an ink "follower", made of more viscous gelled material which is usually ...

  9. Apple Pencil - Wikipedia

    en.wikipedia.org/wiki/Apple_Pencil

    Apple Pencil is a line of wireless stylus pen accessories designed and developed by Apple Inc. for use with supported iPad tablets.. The first-generation Apple Pencil was announced alongside the first iPad Pro on September 9, 2015.