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The GridPad (stylized as GRiDPad) is a discontinued family of pen-enabled tablet computers and hybrid laptops built by Grid Systems Corporation. The GRiDPad 1900, released in 1989, is regarded as the first commercially successful tablet computer and predecessor to modern 2-in-1 devices .
A graphic tablet. A graphics tablet (also known as a digitizer, digital graphic tablet, pen tablet, drawing tablet, external drawing pad or digital art board) is a computer input device that enables a user to hand draw or paint images, animations and graphics, with a special pen-like stylus, similar to the way a person draws pictures with a pencil and paper by hand.
A pen is a handheld device used to apply ink to a surface, usually paper, for writing or drawing. [1] Additional types of specialized pens are used in specific types of applications and environments such as in artwork, electronics, digital scanning and spaceflight, and computing.
James Madison (1751–1836) was a Founding Father of the United States and its fourth president, serving from March 4, 1809, to March 4, 1817.Dubbed the "Father of the Constitution" for his role in creating the U.S. Constitution, he had been dissatisfied with the weak government under the Articles of Confederation, and helped organize the Constitutional Convention of 1787.
The term PenPad was used as a product name for a number of Pen computing products by different companies in the 1980s and 1990s. The earliest was the Penpad series of products by Pencept, such as the PenPad M200 handwriting terminal, and the PenPad M320 handwriting/gesture recognition tablet for MS-DOS and other personal computers.
Livescribe is a paper-based computing platform that consists of a digital pen, digital paper, software applications, and developer tools.. Central to the Livescribe platform is the smartpen, a ballpoint pen with an embedded computer and digital audio recorder.
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 ...
The pasilalinic-sympathetic compass, also referred to as the snail telegraph, was a device built to test the hypothesis that snails create a permanent telepathic link when they mate. The device was developed by French occultist Jacques-Toussaint Benoît (de l'Hérault), with the supposed assistance of an American colleague, Monsieur Biat ...