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 11
... recording and reproducing heads went through many changes before settling on an optimal basic configuration . In the early years of magnetic recording , the standard recording medium was steel in the form of wire ( piano wire ) or thin ...
... recording and reproducing heads went through many changes before settling on an optimal basic configuration . In the early years of magnetic recording , the standard recording medium was steel in the form of wire ( piano wire ) or thin ...
Page 73
... recording medium with a thin layer next to the head would yield a better performance than a thick solid medium such as a wire . Based on this experimen- tal evidence and intuition , Begun was convinced that wire and metal tapes would ...
... recording medium with a thin layer next to the head would yield a better performance than a thick solid medium such as a wire . Based on this experimen- tal evidence and intuition , Begun was convinced that wire and metal tapes would ...
Page 230
... record information . In digital recording , the process is simpler than analog in the sense that there are only two orientations for the magnetic dipoles ( magnetization ) in the medium - either forward or reverse along the track . The ...
... record information . In digital recording , the process is simpler than analog in the sense that there are only two orientations for the magnetic dipoles ( magnetization ) in the medium - either forward or reverse along the track . The ...
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