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 |
1/08 | Frequency-division multiplex systems (
H04J 14/02 takes precedence) Details Arrangements for combining channels |
1/10 | Frequency-division multiplex systems (
H04J 14/02 takes precedence) Details Intermediate station arrangements, e.g. for branching, for tapping-off |
1/12 | Frequency-division multiplex systems (
H04J 14/02 takes precedence) Details Arrangements for reducing cross-talk between channels |
1/14 | Frequency-division multiplex systems (
H04J 14/02 takes precedence) Details Arrangements providing for calling or supervisory signals |
1/16 | Frequency-division multiplex systems (
H04J 14/02 takes precedence) Details Monitoring arrangements |
1/18 | Frequency-division multiplex systems (
H04J 14/02 takes precedence) in which all the carriers are amplitude-modulated (H04J 1/02 takes precedence) |
1/20 | Frequency-division multiplex systems (
H04J 14/02 takes precedence) in which at least one carrier is angle-modulated (H04J 1/02 takes precedence) |
3/00 | Time-division multiplex systems (
H04J 14/08 takes precedence) |
3/02 | Time-division multiplex systems (
H04J 14/08 takes precedence) Details |
3/04 | Time-division multiplex systems (
H04J 14/08 takes precedence) Details Distributors combined with modulators or demodulators |
3/06 | Time-division multiplex systems (
H04J 14/08 takes precedence) Details Synchronising arrangements |
3/07 | Time-division multiplex systems (
H04J 14/08 takes precedence) Details Synchronising arrangements using pulse stuffing for systems with different or fluctuating information rates |
3/08 | Time-division multiplex systems (
H04J 14/08 takes precedence) Details Intermediate station arrangements, e.g. for branching, for tapping-off |
3/10 | Time-division multiplex systems (
H04J 14/08 takes precedence) Details Arrangements for reducing cross-talk between channels |
3/12 | Time-division multiplex systems (
H04J 14/08 takes precedence) Details Arrangements providing for calling or supervisory signals |