Information system
First Claim
1. A vehicle information system comprising a receiver responsive to local data transmissions from roadside transmitters and a communications device for providing at least one of audio and visual communication for communicating information to an occupant of a vehicle.
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Accused Products
Abstract
An information system is provided for transmitting data into a local area surrounding the transmitter. The transmitter may be used to provide information to pedestrians, or to passing road traffic. Data is stored in a local memory 64 associated with the transmitter such that data stored in the memory can be repeatedly and frequently transmitted to users 70 having suitable reception apparatus 18 in the vicinity of the transmitter.
44 Citations
50 Claims
- 1. A vehicle information system comprising a receiver responsive to local data transmissions from roadside transmitters and a communications device for providing at least one of audio and visual communication for communicating information to an occupant of a vehicle.
- 29. A transmitter for use in association with a vehicle data system, in which the transmitter is arranged to transmit local road data to passing vehicles.
- 32. A local area information system, comprising at least one transmitter having a memory for storing information relating to the local area and a plurality of user devices for receiving the information from the transmitters and presenting the information to a user.
- 41. A receiver for use with a local area information system, said receiver arranged to receive information from a local area transmitter and to present selected parts of it to a user.
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50. A method of making data available to at least one user, the method comprising the steps storing data in a memory associated with a transmitter arranged to transmit data into a region adjacent the transmitter, and repeatedly transmitting said data into said region such that a suitable receiver within said region can make said data available to a user.
Specification