Printing control circuit

Details Printing control circuit Printing control circuit

1976-04-27

1977-08-23

Eickholt, E. H.

Textiles: fiber preparation

307262, 307269, H03K 1774

Patent

active

040434389

ABSTRACT:
A phase-locked loop circuit for use in a printer which automatically compensates for speed changes in the print head due to changes in line frequency to maintain consistent character width print impressions.

REFERENCES:
patent: 3308387 (1967-03-01), Hackett
patent: 3758720 (1973-09-01), Dinn
patent: 3772600 (1973-11-01), Natali
patent: 3792361 (1974-02-01), Sordello et al.
patent: 3896388 (1975-07-01), Hatsukano et al.
patent: 3919647 (1975-11-01), Haas
patent: 3930203 (1975-12-01), Haas
patent: 3973212 (1976-08-01), Walloch
patent: 3986113 (1976-10-01), Vifian
patent: 3990559 (1976-11-01), Martin et al.
patent: 3996581 (1976-12-01), Brodeur et al.
"Phase Detector for Self-Clocking Variable-Frequency Oscillators" IBM Tech. Discl. Bull. vol. 14, No. 7, Dec. 1971, p. 2171.
"Phase-Lock Loop with Constant Duty Cycle" IBM Tech. Discl. Bull. vol. 14 No. 6 Nov. 1971 pp. 1838-1839.
"Me Recovery Circuit with Two-Speed Phase Correction" IBM Tech. Discl. Bull. vol. 13 No. 9, Feb. 1971 pp. 2614-2615.

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