Recording head and image forming apparatus using the same

Details Recording head and image forming apparatus using the same Recording head and image forming apparatus using the same

1997-03-05

1999-10-19

Le, N.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

347130, B41J 245, H01L 3300

Patent

active

059697440

ABSTRACT:
A recording head includes a light emitting element array comprised of a plurality of light emitting elements and a plurality of switch elements for scanning the plurality of light emitting elements, and a drive device for driving the light emitting element array. The drive device has a variable resistor in a route for supplying a driving current to the plurality of switch elements. The control voltage of the variable resistor is varied to thereby adjust the driving current for the plurality of switch elements.

REFERENCES:
patent: 5451977 (1995-09-01), Kusuda et al.
European Search Report, dated Nov. 27, 1998, from European Patent Application No. EP 98 11 8058.

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