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Marvels of Communications & Information Service Transistor Invention - The myriads

By Dr T.H.Chowdary * Director, Center for Telecom Management & Studies * Chairman, Pragna Bharati (Intellect India), AP * Fellow, Tata Consultancy Services * Former Information Technology Adviser , GOAP Chairman & Managing Director

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Marvels of Communications & Information Service Transistor Invention - The myriads

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  1. By Dr T.H.Chowdary * Director, Center for Telecom Management & Studies * Chairman, Pragna Bharati (Intellect India), AP * Fellow, Tata Consultancy Services * Former Information Technology Adviser, GOAP Chairman & Managing Director Videsh Sanchar Nigam Ltd., Bombay T: +91 (40) 6667-1191(O)2784-3121(R) F: +91 (40) 6667-1111 (O)‏ hanuman.chowdary@tcs.com Talk @ IETE & Arora, Hyd: 24 Oct '09 Marvels of Communications & Information ServiceTransistor Invention - The myriads

  2. S429_Oct'09 Transistor Invention • The face that launched a 1000 ships – Helen of Troy • The invention that launched myriad - services & Products • Invented in 1947 in Bell Labs • Nobel prize to John Bardeen, Walter Brattain and William Shockley in 1956 • I.C invented in 1958 • Bell Labs sold to Sony - Xr Radio • The transistor & IC : VLSI • I billion transistors on a chip • Reliability/ non-failure

  3. Long Distance Transmission • The Audion – Lee De Forest 1907 • Modulation 1914 • Transcontinental call – 1915 Jan • New York – San Francisco 4126 Km • 130,000 Poles • 870 nbs/lopp mile copper conductors • 2500 tons of copper • Loading @ 13 km intervals • Started with 3 repeaters going to 12 by 1920 • 3 mnt call priced @ $20=70 • 1st carrier transmission Baltimore to Pittsburgh • 1920s Radio across Atlantic • 1956 TAT.1 with Vaccum Tube amplifier.

  4. S429_Oct'09 Early Bird 1964 Satellites • The Laser • Fiber Optic Cables • 1980s between New York – Washington • DWDM • 30/40 beams • Satellites =200 • VSATs – DTH • Glassnost- collapse of the evil Empire • 1984-Divestiture of AT&T; B.T privatisation NTT break-up • India-1994 NTP, 1999 NTP • Wireless in the Local Loop Mobile Telephony • World- 67% India-45% Metros & D.C >100%

  5. S427_Oct09 Bring down price to increase affordability (a) Affordability A X TSP PCI Time • A PCI/ Tele-Service Price • PCI: Per Capita Income • TSP: Telephone Service Price • A: Affordability

  6. PCI & Telephony S427_Oct09

  7. S429_Oct'09 Haath Haath mein telephone • Cell phone from Rs. 16,000 to Rs.800 • Call charges Rs. 16 to paise 40 • Cell phone – Voice, Text, Images, Internet will PC be undermined?

  8. S429_Oct'09 ICTs in war • GPS/GIS • Targeted killing gulf War- I & II • Israel-Hamas • USA in FATA of PAK • Men decide: Machines will fight/kill • Lasers destroy Satellites • Electronic Warfare “ War of the Worlds” Orson Wells

  9. S429_Oct'09 Exploring Life in Space • Chandra • 2 Planets – 150 light years from us

  10. S429_Oct'09 Internet • Convergence of telecoms & IT • Telecoms are photonic electronic information infrastructure • World's store-house of information knowledge; leading to “democratisation of knowledge” – enriching, empowering every one “fitted”

  11. S429_Oct'09 Intelligence- Everywhere • Home • Human Body • Robotisation of work • “sensing” body & mind implants

  12. S429_Oct'09 Collateral Damage • Vulgarisation of use ( cell phone becomes “hell phone”) • Cyber crimes • Addiction & disruption of family

  13. S429_Oct'09 What God hath Wrought • “What God hath Wrought !” - First telegram - Morse • “Whatson come here !” - First phone call - Graham Bell • Where does man want to reach ? • What will imprudent man make of universal communications? • Super-man & Life Divine - Aurobindo

  14. S429_Oct'09 Dhanyawad:Thank You

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