A method of operating a portable composite communication terminal the functions as both a portable phone and a camera. The method includes: setting a portable phone mode by turning on the portable composite communication terminal, regulating voltage supporting components of the portable phone mode, and...http://www.google.com/patents/US7577460?utm_source=gb-gplus-sharePatent US7577460 - Portable composite communication terminal for transmitting/receiving and images, and operation method and communication system thereof
