MULTIPLEX COMMUNICATION (transmission in general H04B; peculiar to transmission of digital information H04L 5/00; systems for the simultaneous or sequential transmission of more than one television signal H04N 7/08; in exchanges H04Q 11/00; stereophonic systems H04S)
| Subclass | Title |
|---|---|
| 1/00 | Frequency-division multiplex systems ( H04J 14/02 takes precedence) |
| 1/02 | Frequency-division multiplex systems ( H04J 14/02 takes precedence) Details |
| 1/04 | Frequency-division multiplex systems ( H04J 14/02 takes precedence) Details Frequency-transposition arrangements |
| 1/05 | Frequency-division multiplex systems ( H04J 14/02 takes precedence) Details Frequency-transposition arrangements using digital techniques |
| 1/06 | Frequency-division multiplex systems ( H04J 14/02 takes precedence) Details Arrangements for supplying the carrier waves |
