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. |
From inside the book
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Page 97
... prerecorded music - a situation that would not change for another 20 years . The owners of most copyrighted music were reluctant to make their programs available in the form of prerecorded tapes for use in the home , where they would ...
... prerecorded music - a situation that would not change for another 20 years . The owners of most copyrighted music were reluctant to make their programs available in the form of prerecorded tapes for use in the home , where they would ...
Page 106
... Prerecorded Cassettes As the sound quality of the cassettes improved , the record companies be- came increasingly interested in providing the public with prerecorded cassettes , particularly as they saw the 8 - track cartridge heading ...
... Prerecorded Cassettes As the sound quality of the cassettes improved , the record companies be- came increasingly interested in providing the public with prerecorded cassettes , particularly as they saw the 8 - track cartridge heading ...
Page 188
... prerecorded tapes copied from movies . A movie has 24 frames per second , and the field - skip machine could record 20 fields per second . Hence , the picture quality of the prerecorded movie tape was just acceptable . The pre- recorded ...
... prerecorded tapes copied from movies . A movie has 24 frames per second , and the field - skip machine could record 20 fields per second . Hence , the picture quality of the prerecorded movie tape was just acceptable . The pre- recorded ...
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