Example image of eyePlorer eyePlorer map for 'Line code': Baseband Code Communications system Telecommunication Transmission (telecommunications) Digital signal Waveform Bipolar encoding Manchester code Non-return-to-zero Unipolar encoding Clock recovery Run-length limited Channel (communications) Data storage device Transmission medium Differential signaling Transmission line Modulation Pulse shaping Free-space optical communication Remote control Barcode Hard disk drive Tape drive Optical disc DC bias Constant-weight code Code word Interleaved 2 of 5 Phase (waves) Terminal (telecommunication) Optical fiber Twisted pair Alternate-Phase Return-to-Zero Biphase mark code Carrier-Suppressed Return-to-Zero Compact Disc Delay encoding Differential Manchester encoding Eight-to-fourteen modulation Modified AMI code Modified Frequency Modulation Self-synchronizing code 4B3T 4B5B 64b/66b encoding 8b/10b encoding Coded mark inversion MLT-3 encoding