No, Sony and Ericsson are two different Entities. Ericssson is a mobile network company and Sony has a joint venture with them to produce the Sony Ericsson mobile phones. But both companies are independent of one another. Cheers.
Of course you have to take into consideration many factors when purchasing a camcorder like price, standard/hd capabilities, and then extra features such as weight, zoom, size, etc. The Sony Handycam...
i think the better company is SONY because it offers more RAM & HARDISKspace than any other and it also has Intel procceors like i7 and its many good laptops range starts from Rs50,000 for eg...