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US 7,248,689 B2Granted
Display device
AssigneeBritish Telecommunications public limited company
InventorRichard C Wilson
Life of this patent
Estimating the term…
Abstract
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.
Claims10
A data display system comprising:
- a modem;
- a processor connected to receive a signal from the modem;
- and
- an interface device which is connected to receive a dialed number and in which the processor is arranged to send the dialed number to a remote updating device so that display data relevant to the dialed number may be sent to the data display system via the telephone line
- a display panel connected to receive a signal from the processor;
- in which the modem is arranged to demodulate a display data signal encoding display material received via an incoming telephone line and to send a demodulated signal to the processor;
- and in which the processor is arranged to use the demodulated signal to send a signal to the display panel to cause said display material to be displayed on the display panel.
4 more elements
A remote updating device having access to
- a customer database;
- a business customer database;
- and
- a display data database;
- characterized in that the device is arranged to
- receive a dialed number from a telephone associated with an advertising device;
- access said databases to determine display data associated with the received dialled number;
- and
- transmit said display data to the advertising device.
6 more elements
A method of updating a display associated with a telephone such that the display is updated via a communications network the method comprising the steps of:
- accessing a customer database to identify a called party using a number dialled by a user of the telephone;
- retrieving details from a business customer database of a business related to the called party;
- retrieving data such as an advertisement associated with said business;
- and
- sending said advertisement to the display via the communications network.
2 more elements
Dependencies are inferred from the claim text.