Vehicular radio receiver with stored detour data
First Claim
1. A vehicular radio receiver, havinga decoder (10) which decodes traffic announcements, received in encoded form in a data packet and generates a digital output signal including data characteristic of route segments to which an announcement pertains and a control bit indicating whether or not each announcement includes a detour recommendation,a memory device (12), having an address input (26) and a data output (28), and a plurality of memory fields (16), each field containing a detour recommendation and at least one route-specific characteristic, said address input (26) being connected to an output of said decoder (10);
- means (14), connected (30,36) to said data output (28) of said memory device (12), for reading traffic announcement information out of a field of said memory device (12) and indicating it to a vehicle operator by at least one of visual and acoustical indications, andan evaluation circuit (18), having an input connected to an output of said decoder (10) and a control output (32) connected to an input of said indicating means (14), and controlling said indicating means (14) in accordance with said bit to selectively indicate or suppress said detour recommendation read out of said memory (12).
1 Assignment
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Accused Products
Abstract
In a vehicular radio receiver having a decoder for decoding digitally encoded received traffic announcements, a memory device for route-specific characteristics and a visual and/or acoustical output device for the traffic announcements are provided. The output is effected by the readout of information from the memory device. To output not only factual information but detour recommendations as well, place names and detour route names are stored in the memory device in jointly addressable memory fields. In transmitting the encoded traffic announcements it is then possible to allow or suppress the output of the already stored detour recommendations only on the basis of a control signal.
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Citations
9 Claims
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1. A vehicular radio receiver, having
a decoder (10) which decodes traffic announcements, received in encoded form in a data packet and generates a digital output signal including data characteristic of route segments to which an announcement pertains and a control bit indicating whether or not each announcement includes a detour recommendation, a memory device (12), having an address input (26) and a data output (28), and a plurality of memory fields (16), each field containing a detour recommendation and at least one route-specific characteristic, said address input (26) being connected to an output of said decoder (10); -
means (14), connected (30,36) to said data output (28) of said memory device (12), for reading traffic announcement information out of a field of said memory device (12) and indicating it to a vehicle operator by at least one of visual and acoustical indications, and an evaluation circuit (18), having an input connected to an output of said decoder (10) and a control output (32) connected to an input of said indicating means (14), and controlling said indicating means (14) in accordance with said bit to selectively indicate or suppress said detour recommendation read out of said memory (12). - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification