How Is a Digital Pen Made?
A digital pen (stylus) works like a ballpoint pen. It can capture your handwriting and brush strokes by converting your handwriting into typed text, or your drawings into digital images. Some pens can even record data.
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Facts about Digital Pens
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Some digital pens can read text and bar codes and store the information until you decide to download it. These pens begin recording as soon as you place the tip on the paper. Some digital pens are used with mobile devices such as PDAs and tablet PCs to make it easy to take notes. Other digital pens contain an ink cartridge to write in addition to their capability of reading and storing information.
Construction
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Digital pens are constructed with electronic circuits (memory, processor and transceiver) and optical devices (an optical sensor and digital camera). They feature Bluetooth technology and contain a battery to enable them to function: read, write, record and store information.
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Function
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An infrared camera and sensor captures handwritten notes and drawings. The processing unit converts what what the pen reads into a digital format, so the pen can transmit either ASCII text or images. The memory then stores the information until you can upload it to a computer connection. The Bluetooth antenna transmits the data while the PC software imports, processes, reads, writes and stores the data until you delete it.
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References
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