Apparatus for calibrating a linear image sensor

Details Apparatus for calibrating a linear image sensor Apparatus for calibrating a linear image sensor

1997-05-06

1999-05-11

Allen, Stephone

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

250205, 356318, 358482, H04N1/40

Patent

active

059029943

ABSTRACT:
Apparatus for calibrating a linear image sensor, includes a fluorescent light source, at least as long as the image sensor; a fixture for holding the light source parallel to the image sensor and displaced from the image sensor by a fraction of the length of the image sensor; and a light level controller for producing a plurality of light levels from the lamp.

REFERENCES:
patent: 4585934 (1986-04-01), French et al.
patent: 4677287 (1987-06-01), Ejima
patent: 4870454 (1989-09-01), Kurusa et al.
patent: 5278674 (1994-01-01), Webb et al.
patent: 5442464 (1995-08-01), Ito
patent: 5495329 (1996-02-01), Anderson, II et al.

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