NEC Corporation is on the way to invent five pen PC which is commonly known as P-ISM i.e. Pen-style Personal Networking Package. The concept of the pen computer was given in 2003. It was featured at ITU Telecom World which took place in Geneva, Switzerland.
Five pens correspond to five functions: a camera, virtual keyboard, CPU, pen with a cellular phone and a projector. The display is an LED
projector having A4 size (Approx. 1024X768). It has a virtual keyboard with 3D IR sensor. We have a digital camera used for video recording, video conferencing. The purpose of communication
is to exchange information with wireless connection. The size of the battery is small and can be used for more than 6 days once it is fully charged. These five parts are connected to each other with a short-range wireless technology. Cellular phone helps to connect the device to the internet.
Merits and Demerits
It is practical, easy carry, based on electronic perception technology and Wi-Fi technology
. Though the concept has been given but the device has not reached to the consumer till now. The cost will be too high to afford for a normal person.
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