Taiwan's Hon Hai Precision Industry said it sold Google Inc part of a patent portfolio involving the superimposition of virtual images on real-world photos. The technology,dubbed Head Mounted Display,is commonly used in aviation and ground displays,engineering and scientific design applications,gaming devices and training and simulation tools,the company said on Friday in a statement. It did not disclose the price of the sale. Hon Hai,the world's largest maker of electronics under contract and a major manufacturer of Apple Inc products,has said it will focus on developing new technology,intellectual property rights and e-commerce as it looks to reduce its reliance on Apple. It said it had applied for over 55,000 patent rights globally,of which over 5,000 have been approved.