Time dot display for a digital oscilloscope

Details Time dot display for a digital oscilloscope Time dot display for a digital oscilloscope

1979-09-18

1981-02-17

Trafton, David L.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

324121R, 340799, 340739, G08B 536

Patent

active

042518148

ABSTRACT:
A digital oscilloscope is provided with a display system which permits intensified time dots to be positionable between samples on a displayed waveform. The display system has a time dot memory having at least twice the number of addressable storage locations as a waveform memory. An address counter drives the time dot memory and the waveform memory, with time dot memory address count including one or more lesser significant bits than the waveform memory address count. The resolution of the time measurement provided by one or more time dots may be increased by increasing the time dot memory space and adjusting the corresponding number of address count bits to clock the memory at the commensurately higher rate.

REFERENCES:
patent: 2280531 (1942-04-01), Norgaard
patent: 2565839 (1951-08-01), Broadwell et al.
patent: 3404309 (1968-10-01), Massell et al.
patent: 3427541 (1969-02-01), Middleton

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