Magnetic Recording: The First 100 YearsEric D. Daniel, C. Denis Mee, Mark H. Clark Electrical Engineering/History of Technology Magnetic Recording The First 100 Years The first magnetic recording device was demonstrated and patented by the Danish inventor Valdemar Poulsen in 1898. Poulsen made a magnetic recording of his voice on a length of piano wire. Magnetic Recording traces the development of the watershed products and the technical breakthroughs in magnetic recording that took place during the century from Poulsen’s experiment to today’s ubiquitous audio, video, and data recording technologies, including tape recorders, video cassette recorders, and computer hard drives. An international author team brings a unique perspective, drawn from professional experience, to the history of magnetic recording applications. Their key insights shed light on how magnetic recording triumphed over all competing technologies and revolutionized the music, radio, television, and computer industries. They also show how these developments offer opportunities for future applications. Magnetic Recording features 116 illustrations, including 92 photographs of historic magnetic recording machines and their inventors. |
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Page 26
... selling around one hundred Telegra- phones . The single largest sale was to the Du Pont Company , which bought 20 machines initially and almost 30 more over the next two years . This installation , opened in 1913 , included a telephone ...
... selling around one hundred Telegra- phones . The single largest sale was to the Du Pont Company , which bought 20 machines initially and almost 30 more over the next two years . This installation , opened in 1913 , included a telephone ...
Page 88
... selling price of $ 5000 to $ 3000 . The Model 200 was some- what overdesigned and expensive to produce , but the Ampex founders made few cost reductions because they did not want to risk compromising quality and reliability . However ...
... selling price of $ 5000 to $ 3000 . The Model 200 was some- what overdesigned and expensive to produce , but the Ampex founders made few cost reductions because they did not want to risk compromising quality and reliability . However ...
Page 264
... selling millions of tape drives and cassettes . There were numerous attempts to use the cassette in various tape transports to give a low - cost , medium - performance data recording system . The data cassette , developed in the mid ...
... selling millions of tape drives and cassettes . There were numerous attempts to use the cassette in various tape transports to give a low - cost , medium - performance data recording system . The data cassette , developed in the mid ...
Contents
AUDIO RECORDING | 6 |
The Telegraphone | 15 |
Steel Tape and Wire Recorders | 30 |
Copyright | |
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Magnetic Recording: The First 100 Years Eric D. Daniel,C. Denis Mee,Mark H. Clark Limited preview - 1998 |
Common terms and phrases
ac bias Ampex analog applications areal density audio recording b/in bandwidth BASF bit density broadcast capacity capstan cartridge channel coating color compact cassette consumer cost Courtesy of IBM data rate data recording data storage developed device diameter digital audio digital recording digital video recording disk drive disk surface diskette early electronic engineers equipment error ferrite Figure film frequency hard disk helical-scan improved inches industry instrumentation recorder Jack Mullin Japan laboratory machine magnetic disk magnetic drum magnetic recording magnetic tape Magnetophon manufacturers Mb/s mechanism memory Model modulation operation Panasonic performance personal computer playback Poulsen production quadruplex radio RAMAC read/write recording format recording medium recording system recording technology reel rotating slider SMPTE Sony sound standard stored t/in tape drive tape systems Telegraphone television tion track density United video cassette recorder video signal video tape recorder wire