Remember how Sony Ericsson came to be? No? Well, let’s just get to today’s news. Sony has agreed with Sony Ericsson to buy out their 50% stake, therefore completely gaining control of the company in a joint venture, and allowing Sony o more tightly integrate SE devices into their Sony line of products. Ericsson has agreed to a €1.05 billion in exchange for its 50 percent stake, and if pending regulatory approval allows it, the deal will be done in January of 2012. This effectively means that the Walkman is nearly dead, and that the SE brand will be many times more active. Press release after the break.