This invention provides a display device that can be updated via a communications network. In an improved version the advertising material used to update the device depends upon a called number dialled on a telephone which is associated with the device.
申请公布号
WO02063864(A3)
申请公布日期
2003.03.06
申请号
WO2002GB00475
申请日期
2002.02.04
申请人
BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY;WILSON, RICHARD, COURT
