Magnetic Recording: The First 100 YearsEric D. Daniel, C. Denis Mee, Mark H. Clark "The first magnetic recording device was demonstrated and patentedby the Danish inventor Valdemar Poulsen in 1898. Poulsen made amagnetic recording of his voice on a length of piano wire. MAGNETICRECORDING traces the development of the watershed products and thetechnical breakthroughs in magnetic recording that took placeduring the century from Paulsen's experiment to today's ubiquitousaudio, video, and data recording technologies including taperecorders, video cassette recorders, and computer harddrives. An international author team brings a unique perspective, drawnfrom professional experience, to the history of magnetic recordingapplications. Their key insights shed light on how magneticrecording triumphed over all competing technologies andrevolutionized the music, radio, television and computerindustries. They also show how these developments offeropportunities for applications in the future. MAGNETIC RECORDING features 116 illustrations, including 92photographs of historic magnetic recording machines and theirinventors." Sponsored by: IEEE Magnetics Society |
Contents
AUDIO RECORDING | 6 |
The Telegraphone | 15 |
Steel Tape and Wire Recorders | 30 |
References | 45 |
The Magnetophon Goes into Production | 58 |
Wartime Developments | 65 |
Building on the Magnetophon | 72 |
Product Diversification | 92 |
A Broadcast Video Recorder for Electronic News Gathering | 177 |
Digital Video Recording | 201 |
Composite Video Digital Recording | 210 |
Capturing Data Magnetically | 221 |
Data Storage on Drums | 237 |
Data Storage on Tape | 252 |
Data Storage on Hard Magnetic Disks | 270 |
LowMass Lightly Loaded Sliders | 287 |
The History of Digital Audio | 110 |
VIDEO RECORDING | 124 |
The First BroadcastQuality Magnetic Video Recorder | 130 |
References | 136 |
The Ampex Quadruplex Recorders | 153 |
HelicalScan Recorders for Broadcasting | 170 |
Magnetoresistive Read Heads ThinFilm Disks and PRML Channels | 294 |
Data Storage on Floppy Disks | 300 |
Instrumentation Recording on Magnetic Tape | 316 |
About the Editors 341 | |
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Common terms and phrases
ac bias Ampex analog applications areal density b/in bandwidth BASF bit density broadcast Brush capacity capstan cartridge coating color compact cassette consumer Corporation cost Courtesy data rate data recording data storage developed device diameter digital recording digital video recording disk drive diskette early electronic engineers equipment error Figure film frequency German helical-scan improved inches industry instrumentation recorder Jack Mullin Ludwigshafen machine magnetic disk magnetic drum magnetic recording magnetic tape Magnetophon manufacturers mechanism memory Model modulation Mullin operation oxide Panasonic particles patent performance personal computer phonograph playback Poulsen prerecorded production quadruplex radio recording format recording medium recording system recording technology reel rotating sampling SMPTE Sony sound Soundmirror standard stored studio surface tape drive tape speed Telegraphone telephone television tion track United video cassette recorder video signal video tape recorder wire recorders