Texting hits telly

日期:2019-03-03 01:13:01 作者:师抠 阅读:

By Barry Fox Now you can send text messages by TV. The scheme is described in US application 2003/226143 by Comverse, a software house in Wakefield, Massachusetts. It exploits the fact that all digital pay-TV receivers have a unique ID number. To transmit a text message, the sender addresses it to the pay-TV company and adds a user ID that identifies the target receiver. Text messages are short enough to slot into spare capacity in the digital TV signal,