Patent ID: 7324836
Filing Date: 2008-01-29
Classification: H04B,H04M

Abstract:
1. Apparatus for use in a first device to receive digital data non-wirelessly from a second device and to transmit digital data non-wirelessly to the second device, the apparatus comprising: a single jack configured to couple to either one of a headphone or a headset and to receive analog signals encoded with the digital data from the second device and to transmit analog signals encoded with digital data to the second device; a first conversion unit coupled to the single jack and configured to encode digital data into analog signals for transmission to the second device; and a second conversion unit coupled to the single jack and configured to recover the digital data from the analog signals received from the second device; wherein the first device is one of a mobile phone, a personal digital assistant or a smart phone and wherein the second device is one of a mobile phone, a personal digital assistant or a smart phone.