Patent ID: 7280823
Filing Date: 2007-10-09
Classification: G06F,G06Q,H04B,H04L,H04W

Abstract:
1. A transmitter for receiving information from a service provider about a service and for conveying the information to a handheld device, said transmitter comprising: means for defining a context in said transmitter; means for receiving the information at said transmitter; means for formatting the information in said transmitter into a machine-readable form to produce a transmitted signal compatible with the handheld device and relevant to said context; and means for conveying said transmitted signal from said transmitter to the handheld device located within said context, said information displayed to a user of the handheld device if the user has previously expressed an interest in the service; wherein said conveying means transmits a diffuse infrared signal; wherein said machine-readable form is an XML element; wherein said XML element is encapsulated in an integrity element; and wherein said integrity element further includes: an operator, said operator being used in conjunction with said size value and said seed value to compute said checksum value.