Patent ID: 7970841

Claim:
A method for transmitting a text message, comprising: a mobile phone receiving a text message input to be transmitted, which is encoded with a first character set encoding scheme; the mobile phone determining that a final receiver mobile phone of the text message input does not support the first character set encoding scheme; and in response to said determining that the final receiver mobile phone does not support the first character set encoding scheme, the mobile phone converting the text message to be transmitted into a first image and a second image, wherein said converting the text message to be transmitted into the first image and the second image comprises, initializing a bitmap information buffer of the mobile phone; converting a first text message input portion of the text message input that is displayed on a screen of the mobile phone into the first image; storing the first image in the bitmap information buffer; determining that the text message input includes a second text message input portion of the text message input that cannot be concurrently displayed with the first text message input portion on the screen of the mobile phone; converting the second text message input portion into the second image after the first text message input portion is replaced with the second text message input portion on the screen; storing the second image in the bitmap information buffer with the first image; and the mobile phone transmitting the first image and the second image to the final receiver mobile phone instead of the text message input.