ਫਰਮਾ:ਦੂਰਸੰਚਾਰਾਂ - ਵਿਕੀਪੀਡੀਆ, ਇਕ ਅਜ਼ਾਦ ਵਿਸ਼ਵਗਿਆਨਕੋਸ਼

v t e ਦੂਰਸੰਚਾਰਾਂ
ਇਤਿਹਾਸ	ਦੂਰਸੰਚਾਰ ਚਿੰਨ Beacon Broadcasting Cable TV Communications satellite Computer network Drums Electrical telegraph Fax Heliographs Hydraulic telegraph Internet Mass media Mobile phone Optical telecommunication Optical telegraphy Photophone Prepaid mobile phone Radio Radiotelephone Satellite communications Semaphore Smartphone Smoke signals Telecommunications history Telautograph Telegraphy Teleprinter (teletype) Telephone The Telephone Cases Television Timeline of communication technology Undersea telegraph line Videoconferencing Videophone Videotelephony Whistled language
ਪਾਇਨੀਅਰ	Edwin Howard Armstrong John Logie Baird Paul Baran Alexander Graham Bell Tim Berners-Lee Jagadish Chandra Bose Vint Cerf Claude Chappe Donald Davies Lee de Forest Philo Farnsworth Reginald Fessenden Elisha Gray Innocenzo Manzetti Guglielmo Marconi Antonio Meucci Alexander Stepanovich Popov Johann Philipp Reis Nikola Tesla Camille Tissot Alfred Vail Charles Wheatstone Vladimir K. Zworykin
ਟ੍ਰਾਂਸਮਿਸ਼ਨ ਮੀਡੀਆ	Characteristic impedance Coaxial cable Electromagnetic radiation Electrical cable Free-space optical communication Heaviside condition Loading coil Molecular communication Optical fiber Telegrapher's equations
ਨੈੱਟਵਰਕ ਟੌਪੌਲੌਜੀ ਅਤੇ ਸਵਿੱਚਿੰਗ	Links Nodes Terminal node Network switching (circuit packet) Telephone exchange
ਮਲਟੀਪਲੈਕਸਿੰਗ	Space-division Frequency-division Time-division Polarization-division Orbital angular-momentum Code-division
ਨੈਟਵਰਕ	ARPANET BITNET Cellular network Computer CYCLADES Ethernet FidoNet Internet ISDN LAN Mobile NGN NPL network Public Switched Telephone Radio Telecommunications equipment Television Telex WAN Wireless World Wide Web
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