Waveform storage system

Details Waveform storage system Waveform storage system

1979-07-30

1981-06-02

Fears, Terrell W.

Static information storage and retrieval

Analog storage systems

365 46, 3072384, G11C 1300

Patent

active

042714869

ABSTRACT:
A waveform storage system is provided in which waveform envelopes or maximum signal deviations along a waveform are detected and stored. A sampling clock operates at a predetermined fixed rate independently of a recording clock which is operable at rates determined by the sweep speed and is equal to or slower than the sampling clock. Data from an analog-to-digital converter is simultaneously applied to at least one latch and at least one comparator to be compared with the latch output. If the absolute value of the signal is greater than that stored in the latch, the latch is updated with the new value. The contents of the latch are clocked into memory by the recording clock.

REFERENCES:
patent: 3812478 (1974-05-01), Tomisawi

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