Dimond ring
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Short description: Early type of computer memory
A Dimond ring or Dimond ring translator was an early type of computer memory, created in the early 1940s by T. L. Dimond at Bell Laboratories for Bell's #5 Crossbar Switch, a type of early telephone switch.[1][2][3]
Structure
Large-diameter magnetic ferrite toroidal rings with solenoid windings, through which are threaded writing and reading wires.
Uses
It was used in the #5 Crossbar Switch and TXE (prior to version 4) telephone exchanges.
See also
- Core rope memory, a later development
References
- ↑ R. J. Chapuis and A. E. Joel Jr., 100 Years of Telephone Switching, part 2: Electronics, Computers and Telephone Switching (2nd. edition), p. 33, IOS Press 2003.
- ↑ T. L. Dimond. "No. 5 Crossbar - AMA Translator". http://etler.com/docs/Crossbar/articles/30-AMATranslator.pdf.
- ↑ Phil Ryals. "Dimond Rings and Read-Only Ropes". http://www.computerculture.org/2012/10/dimond-rings-and-read-only-ropes/.
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