Focusing laser diode mount on a write head

Details Focusing laser diode mount on a write head Focusing laser diode mount on a write head

1991-08-23

1993-10-26

Fuller, Benjamin R.

Recorders

Thermal recording

346108, 346139R, G01D 1514

Patent

active

052570380

ABSTRACT:
An imaging system comprising a source of light movable with respect to a writing element and projectable thereon to generate an image, a focusing device is provided for focusing a light source which generates a first beam of light of a wavelength selected to be actinic with respect to the writing element. At least a portion of the first beam of light is absorbed by the writing element. The focusing device includes a focusing laser diode which is mounted on, and movable with, a movable write head to minimize noise in the focusing signal.

REFERENCES:
patent: 4780730 (1988-10-01), Dodge et al.
patent: 4801950 (1989-01-01), Frehling
patent: 4907017 (1990-03-01), Azuma
patent: 5101223 (1992-03-01), Boeve
patent: 5146242 (1992-09-01), Zielinski

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