Current digital pens use optical (光学的) sensors to pick up the writing movements and digitize (数字化) the words or sketches, so that they can be used on a computer.Some of these pens require additional devices, while others only work with special paper. Lernstift is different, because it has the technology and software builtin.
The computer inside Lernstift is an embedded Linux operating system.The board contains a nonoptical motion sensor, processor, memory, WiFi and vibration module.The motion sensor recognizes all writing movements, even if the pen is used to write in the air.This means Lernstift doesn't need any additional recognition devices or special paper to work on.
The pen has two functions:Orthography Mode is used to recognize misspellings and will vibrate when a word is spelt incorrectly;Calligraphy Mode is used to point out flaws in the form of handwriting,
to make
it neater.Future models will also be able to point out grammatical mistakes such as wrong word order.
Lernstift uses a builtin handwriting software to compare the written words with the correct spellings.The software has over 40 languages, and Lernstift will be launched in English and German before being rolled out to more language. This means it could be used to help people learn new languages.
1.Who came up with the idea of Lernstift pen?
A.Wolsky's wife.
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