Broadcast receiver capable of automatically updating location and performing spiral searching
First Claim
Patent Images
1. A broadcast receiver system comprising:
- a receiver for receiving a plurality of frequencies broadcast from a plurality of geographic regions;
tuning means for tuning said receiver to one of the plurality of broadcast frequencies for reception thereof;
memory means for storing a database of information in one or more band files relating to frequencies broadcast into each of the plurality of geographic regions, said information including data identifying attributes of each frequency broadcast into each geographic region;
input means for inputting a geographic region corresponding to a location of said broadcast receiver system and a datum representing a desired attribute;
searching means responsive to the inputted geographic region and desired attribute for searching said one or more band files for frequencies broadcast into the geographic region of said broadcast receiver system having the desired attribute; and
display means for displaying the frequency and the attribute data for a broadcast frequency identified by said searching means.
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Abstract
A broadcast receiver capable of automatically or semi-automatically updating its geographical location and using the geographical information to search for frequencies broadcast into its geographical region having a particular program format or broadcasting in a particular language desired by a user. The receiver is also capable of scanning for broadcast frequencies in geographical regions adjacent to the geographical region in which the receiver is located using a "spiral search" technique.
187 Citations
20 Claims
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1. A broadcast receiver system comprising:
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a receiver for receiving a plurality of frequencies broadcast from a plurality of geographic regions; tuning means for tuning said receiver to one of the plurality of broadcast frequencies for reception thereof; memory means for storing a database of information in one or more band files relating to frequencies broadcast into each of the plurality of geographic regions, said information including data identifying attributes of each frequency broadcast into each geographic region; input means for inputting a geographic region corresponding to a location of said broadcast receiver system and a datum representing a desired attribute; searching means responsive to the inputted geographic region and desired attribute for searching said one or more band files for frequencies broadcast into the geographic region of said broadcast receiver system having the desired attribute; and display means for displaying the frequency and the attribute data for a broadcast frequency identified by said searching means. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A broadcast frequency directory system comprising:
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memory means for storing a database of information in one or more band files relating to frequencies broadcast into each of a plurality of geographic regions, said information including data identifying attributes of each frequency broadcast into each geographic region; input means for inputting a geographic region corresponding to a location of said directory system and a datum representing a desired attribute; searching means responsive to the inputted geographic region and desired attribute for searching said one or more band files for frequencies broadcast into the geographic region of said directory system having the desired attribute; and display means for displaying the frequency and the attribute data for a broadcast frequency identified by said searching means. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20)
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Specification