Electronic adjustment of slow scan image registration in an imag

Details Electronic adjustment of slow scan image registration in an imag Electronic adjustment of slow scan image registration in an imag

1992-10-13

1993-12-28

Fuller, Benjamin R.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346107R, 346107A, 346160, B41J 245, B41J 247

Patent

active

052743942

ABSTRACT:
An image bar recording system, which, in a preferred embodiment, utilizes an LED image bar, with associated circuitry for recognizing which of individual LEDs comprising the print bar are out of registration in the slow scan, process direction of a moving photoreceptor upon which the image is to be recorded. Modification of the drive circuits to the individual LEDs results in energization signals being delayed to the identified, misregistered LEDs resulting in an exposure line which is in correct slow scan registration.
According to another aspect of the invention, the delayed signals are selectively applied to intentionally cause a misregistered exposure line when using the image bar in conjunction with a raster output scan system.

REFERENCES:
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patent: 4571602 (1986-02-01), De Schamphelaere et al.
patent: 4575739 (1986-03-01), De Schamphelaere et al.
patent: 4589745 (1986-05-01), Plummer
patent: 4897639 (1990-01-01), Kanayama
patent: 4952951 (1990-08-01), Kumasaka et al.
Webster's Ninth New Collegiate Dictionary, Merrion-Webster, Inc., Springfield, Mass., p. 758, 1990.

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