Boots – shoes – and leggings
Patent
1977-10-17
1981-03-17
Brown, Thomas W.
Boots, shoes, and leggings
179 18EE, 179 18ET, 1791752C, 364200, 370 58, G06F 1516, H04M 322, H04Q 1104
Patent
active
042569265
ABSTRACT:
A microprocessor control complex for a telecommunications switching system disclosed in the context of a digital time division multiplex switching system. The control complex is arranged as a cluster of hardware identical microprocessors in a distributed processing configuration wherein each microprocessor is provided with its own memory and clock and is programmed to perform a portion of the total function of the switching system. Each microprocessor performs the functions assigned to it independently and asynchronously of the others. Data is transferred between microprocessors in a manner which minimizes the amount of time spent in interprocessor communication. This communication is accomplished via interprocessor buffers which provide dedicated communication channels between partner processors while allowing those processors to continue to operate asynchronously. The distributed control complex allows the software to be modularized with resulting economies in program generation and debugging.
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"New Digital Electronic PABX Family" by Ronald C. Garavalia, GTE Automatic Electric Journal, May 1977, pp. 303-311.
Fechalos William A.
Pitroda Satyan G.
Stehman Carl J.
Brown Thomas W.
Wescom Switching Inc.
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