| H04J13/00 | Code division multiplex systems (for frequency hopping H04B 1/713) |
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Note(s) When classifying in this group, any aspect of spread spectrum techniques not specific to frequency hopping, and which is considered to represent information of interest for search, may also be classified in group H04B 1/69 [2011.01] |
Descriptions for H04J13/00 and notes/indexes are displayed on this screen.