What is USB? Who was the inventor of USB? What is USB Type C and Type B cables?

USB - The Mother Of All Connectors

USB - the mother of all connectors is now 20-yearsold. Its India-bom inventor, Ajay Bhatt is already working to refine its new smaller, speedier avatar : the type ‘C’.

The USB or Universal Serial Bus is arguably the most commonly used connection technology today. There are an estimated 10 billion USB-powered devices out there. Indeed, it is difficult to imagine a world without this mother of all connectors. But till the mid 1900s, the desktop Personal Computer and its smaller brother, the laptop. were a mess of different-sized ports -a serial port. a printer port. a port for mouse and key-

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board, one for the modem (before the days of WiFi routers), another for the Ethernet data cable, yet another for the audio connection to speakers or microphone...
Salvation came in 1995 when the US-based computer chip leader Intel
released the design of a new universal connector that coutd replace all these connectors. It was the USB. And the leader of the team at Intel. that developed the connoctot, the man who earned 8 patents for the design, was an Indian - Ajay  Bhatt-an electronics engineering graduate of Maharaja Sayajirao University, Baroda (now Vadodara), and an MS tmm Ctty Untvemty, New York, whohadjomed Intel in 1990  as a chip architect.

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How USB happened

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For the man who was mainly responsible for the invention of the Universal Serial Bus, the stimulus came from his wife and child. In dire need of print out of their daughter's school project. his wife used to ring up chief Architect Ajay Bhatt in his lab at Intel's Oregon (US) plant, asking for help to connect the PC and printer propeiiy. It was not easy with different printers needing different ports. Mr Bhatt wondered : Why not create a single solution to replace serial, parallel and printer ports on a PC? In November 1995, his work which won him 8 patents, resulted in the USB 1.0 standard for connectors. 

Intel and Bhatt jointly decided to make the standard available free of all licensing and royalty fees. That was one reason why the USB became the de facto standard for PC connections.

Bhatt has remained with Intel ever since. Currently Intel Fellow and Chief Client  Platform Architect for the PC Client Group, Bhatt wanted to be an architect - literally - and even attended classes in the Arts Department of Baroda University, before deciding it was not far him and switched to engineering. Today, he is deeply involved in refining the standards for Type 'C'. Beyond the USB. his core work at Intel is on future client - computing platforms. Bhatt feels the day is not far, when PCs boot up and shut down in two seconds, as if operated by a light switch. And soon they will be powered wirelessly. He had dramatically simplified wired connections. But he will not be surprised. if eventually, most of what the USB does will be done wirelessly, rendering obsolete the universal wired connector he invented! Science never stops!

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Article By Pratham Sharma.