Digital minimum-maximum value sequence processor

Details Digital minimum-maximum value sequence processor Digital minimum-maximum value sequence processor

1985-10-28

1987-12-15

Krass, Errol A.

Boots, shoes, and leggings

364608, 364852, 382 29, 328151, 328135, G06F 1520

Patent

active

047137711

ABSTRACT:
In a system for generating a vector representation of a waveform on a cathode ray tube screen, the minimum and maximum magnitudes of an analog waveform acquired during each of successive measurement periods are stored in a random access memory, with the minimum and maximum signal values for each measurement period being stored in arbitrary order. The minimum and maximum signal values within each measurement period are then time sequenced by selectively comparing the minimum and maximum values obtained during each such measurement period with the values obtained during preceding and/or succeeding periods. Also according to these selected maximum and minimum comparisons, the maximums obtained during selected measurement periods are decremented by a selected amount while minimums obtained during selected periods are incremented by a selected amount. The waveform is then reproduced utilizing these ordered and selectively altered minimums and maximums to establish the coordinates on the screen of a sequence of vectors representing the waveform.

REFERENCES:
patent: 4143363 (1979-03-01), Dotter, Jr.
patent: 4143365 (1979-03-01), Cayzac et al.
patent: 4183087 (1980-01-01), Huelsman
patent: 4495586 (1985-01-01), Andrews
patent: 4509530 (1985-04-01), Curtis et al.
patent: 4510571 (1985-04-01), Dagostino et al.
patent: 4555765 (1985-11-01), Crooke et al.

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