System and technique for damping engraving head rings

Details System and technique for damping engraving head rings System and technique for damping engraving head rings

1992-11-23

1995-05-16

Fuller, Benjamin R.

Facsimile and static presentation processing

Facsimile

Recording apparatus

H04N 121, B41C 102

Patent

active

054165970

ABSTRACT:
A system and method for canceling the effects of oscillation in an electromechanical engraving system which has a tendency to ring or vibrate, producing ghost images displaced from a main image, uses a pulse application technique. The variables affecting vibration may be continuously monitored, or set to predetermined pulse values, and the vibration is then predicted based on these variables. Pulses are then applied in a sequence to eliminate different harmonics of each vibration.

REFERENCES:
patent: 3769455 (1973-10-01), De Vos et al.
patent: 4052739 (1977-10-01), Wada et al.
patent: 4450486 (1984-05-01), Buechler
patent: 4451856 (1984-05-01), Buechler
patent: 5029011 (1991-07-01), Fraser
patent: 5036403 (1991-07-01), Hupka et al.

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