Compact plotter for generation of accurate plotted images of lon

Recorders – Combined with external recorder operating means – Well logging

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Details

346 11, 346136, 346139R, 346140R, 364520, 400126, 400328, 400354, 400582, G01D 900

Patent

active

046865403

ABSTRACT:
A compact plotter is disclosed, having a small area in which a plurality of print heads (10) are laterally scanned to print impressions on the paper (14), and the paper (14) is incrementally advanced by an indexer (42) past the print heads (10). A paper travel encoder (36) measures the paper advancement. A computer 22 and a processor 26 are provided to coordinate the printing of pattern data stored in a data base (24) both with the movement of the print heads (10) and the advancement of the paper (14). The computer (22) allocates data from the data base (24) to be printed according to the amount of paper advancement. If the paper (14) is advanced more than a predefined amount, more data is allocated for printing than is actually printed. If the paper (14) is advanced less than the predefined amount, less data is allocated to be printed than is actually printed.

REFERENCES:
patent: 3430256 (1969-02-01), Goodman
patent: 3689693 (1972-09-01), Cahill
patent: 4158847 (1979-06-01), Heinzl
patent: 4223323 (1980-09-01), Bader
patent: 4329693 (1982-05-01), Goldschmidt
patent: 4442442 (1984-04-01), O'Dell
patent: 4452136 (1984-06-01), Boynton
patent: 4560995 (1985-12-01), Suga

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