Method and apparatus for identifying, saving, and analyzing cont

Details Method and apparatus for identifying, saving, and analyzing cont Method and apparatus for identifying, saving, and analyzing cont

1988-07-05

1992-04-07

Kemeny, Emanuel S.

Boots, shoes, and leggings

G10L 500, G06F 1534

Patent

active

051034026

ABSTRACT:
As frequency spectra are produced continuously at a speed that is too fast for realtime display, they are accumulated in a memory. After a block of these frequency spectra have been accumulated, they are read back from the memory and displayed on a display device that permits the display of multiple frequency spectra along a time axis. Markers allow delta-time measurements to be made between different spectra in the display. Continuous storage into a circular memory can be stopped and the display of the accumulated frequency spectra started by the detection of the occurrence of a pre-defined spectra event.

REFERENCES:
patent: 4093989 (1978-06-01), Flink et al.
patent: 4649496 (1987-03-01), Anderson et al.
Hewlett-Packard, 3561A Dynamic Signal Analyzer Operating Manual, Nov. 1983, pp. 29-33 and 48-53.
Marconi Instruments Ltd., 100 Hz 400 Mhz Spectrum Analyzer and Display 2382/2380, 1986, p. 1-3 and 3-18.
Matsushita, VS-3311A FFT Analyzer page of catalog, date unknown, pp. 205 and 206.

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