Method for producing half-tone, variable-density seismic trace r

Details Method for producing half-tone, variable-density seismic trace r Method for producing half-tone, variable-density seismic trace r

1976-07-15

1978-04-25

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

340 155DS, 346 33C, 346 46, 346110R, 358298, G01D 928

Patent

active

040866009

ABSTRACT:
In a seismic data processing system, seismic data in channel-sequential format intensity modulates the electron beam of a cathode-ray tube. A photographic drum plotter provides a recording of the seismic data displayed on the face of the cathode-ray tube. A screen of multilined squares is placed in contact with the photographic film on the drum plotter so that the seismic data is recorded in a half-tone, variable-density format.

REFERENCES:
patent: 2183204 (1939-12-01), Reynolds
patent: 3549939 (1970-12-01), Smitzer
patent: 3704450 (1972-11-01), Smith
patent: 4014030 (1977-03-01), Stark

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