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 268
... memory . Both circuits and memory are the basis for the data caching ar- chitectures now prevalent in data storage devices . Caching gives the performance of memory at the cost of disk or tape storage . By the clever use of memory ...
... memory . Both circuits and memory are the basis for the data caching ar- chitectures now prevalent in data storage devices . Caching gives the performance of memory at the cost of disk or tape storage . By the clever use of memory ...
Page 301
... memory section stored programs and the initial , intermediate , and final processed data . Output included equipment for receiving results from memory in a form that could be either read by users , recorded , or used by other computers ...
... memory section stored programs and the initial , intermediate , and final processed data . Output included equipment for receiving results from memory in a form that could be either read by users , recorded , or used by other computers ...
Page 302
... memory registers and circuits that accessed the pro- gram , deciphered data , and orchestrated the operation of all the other sections of the computer system . It did this by means of a read - only set of fixed instructions called ...
... memory registers and circuits that accessed the pro- gram , deciphered data , and orchestrated the operation of all the other sections of the computer system . It did this by means of a read - only set of fixed instructions called ...
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