| http://www.w3.org/ns/prov#value | - Patent US6219537 - Apparatus and method for an enhanced PCS communication system - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsThe present application relates to the use of the vertical blanking interval (???VBI???) to broadband communications including digital data transmission on the VBI or for a dual VBI/PCS System Capable of enhanci
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