Bluetooth Icon Silhouette PNG Transparent Images

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Uploaded on on Sep 5, 2021


Bluetooth is a short-range wireless technology standard for transmitting data between fixed and mobile devices over short distances using UHF radio waves in the ISM bands spanning from 2.402 to 2.48 GHz, as well as for creating personal area networks (PANs). It was created as a wireless alternative to RS-232 data cables.

Bluetooth is managed by the Bluetooth Special Interest Group (SIG), which has over 35,000 members from the telecommunications, computer, networking, and consumer electronics sectors. Bluetooth was standardized by the IEEE as IEEE 802.15.1. However, the standard is no longer maintained. The Bluetooth SIG is in charge of legal development, certification program management, and trademark protection. Bluetooth devices must adhere to Bluetooth SIG standards in order to be sold. A network of patents protects the technology, which is licensed to particular devices that qualify. In 2009, about 920 million Bluetooth integrated circuit chips were sold.

In 1989, Ericsson Mobile’s CTO, Nils Rydbeck, of Lund, Sweden, began developing the “short-link” radio technology that became known as Bluetooth. The objective of Johan Ullman’s two patents, SE 8902098-6, issued 1989-06-12, and SE 9202239, issued 1992-07-24, was to create wireless headphones. Tord Wingren was tasked with specifying, while Nils Rydbeck assigned Dutchmen Jaap Haartsen and Sven Mattisson with creating. They both worked for Ericsson in Lund. Jaap Haartsen was nominated for the European Inventor Award by the European Patent Office in 1990. rjan Johansson has been the project leader since 1997, advancing technology and standards.


In 1997, Adagio Sanchez, then the head of IBM ThinkPad product R&D, approached Nils Rydbeck about collaborating on integrating a mobile phone inside a ThinkPad computer. Ericsson and IBM engineers were allocated to the project by the two companies. As a result, smartphone technology at the time used too much power to be successfully integrated into a laptop while yet delivering enough battery life. Rather, the two companies agreed to accomplish their goal by incorporating Ericsson’s short-link technology into both a ThinkPad computer and an Ericsson phone. Adagio Sanchez and Nils Rydbeck agreed to develop the short-link technology as an open industry standard because neither IBM ThinkPad laptops nor Ericsson phones controlled their respective markets at the time. Ericsson provided short-link radio technology, while IBM provided patents for the logical layer. Following that, IBM’s Adagio Sanchez enlisted the help of Intel’s Stephen Nachtsheim, as well as Toshiba and Nokia. The Bluetooth Special Interest Group (SIG) was formed in May 1998 by IBM and Ericsson, with a total of five members: Ericsson, Intel, Nokia, Toshiba, and IBM.

The first Bluetooth device for consumers was introduced in 1999. A hands-free mobile headset won the “Best of Show Technology Award” at COMDEX. The Ericsson T36 was the first Bluetooth phone, but the T39 model, which was improved, was the first to hit store shelves in 2001. IBM introduced the IBM ThinkPad A30, the first laptop with built-in Bluetooth, in October 2001.

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