Details

Child Classifications

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• H04L 25/0202 +8 CPC CPC only CPC only
• H04L 25/026 CPC only CPC only
• H04L 25/0262 CPC only CPC only
• H04L 25/0264 +6 CPC CPC only CPC only
• H04L 25/03 Shaping networks in transmitter or receiver, e.g. adaptive shaping networks since 1974 +7 CPC −1 IPC IPC+CPC Available in IPC and CPC
• H04L 25/05 Electric or magnetic storage of signals before transmitting or retransmitting for changing the transmission rate since 2000 IPC+CPC Available in IPC and CPC
• H04L 25/06 DC level restoring means; Bias distortion correction +4 CPC IPC+CPC Available in IPC and CPC
• H04L 25/08 Modifications for reducing interference; Modifications for reducing effects due to line faults +1 CPC IPC+CPC Available in IPC and CPC
• H04L 25/10 Compensating for variations in line balance IPC+CPC Available in IPC and CPC
• H04L 25/12 Compensating for variations in line impedance IPC+CPC Available in IPC and CPC
• H04L 25/14 Channel dividing arrangements IPC+CPC Available in IPC and CPC
• H04L 25/17 Interpolating arrangements since 1985 IPC only IPC only
• H04L 25/18 Arrangements for inductively generating telegraphic signals IPC only IPC only
• H04L 25/20 Repeater circuits; Relay circuits +3 CPC −1 IPC IPC+CPC Available in IPC and CPC