Test apparatus and methods for a digital image scanning system

Details Test apparatus and methods for a digital image scanning system Test apparatus and methods for a digital image scanning system

1996-03-22

1998-04-21

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Facsimile measuring, testing, or calibrating

358443, 358445, 348180, 348181, 348187, 36457101, H04N 100, H04N 140, H04N 1700, G01C 2500

Patent

active

057424039

ABSTRACT:
In a digital image scanning system, dynamic testing of digital and analog channels is performed by injecting photosite-by-photosite variable test data to simulate imager signals. The test data is stored at photosite related addresses in random access memory means and are accessed by a pixel (photosite) counter for output to the channels under test.

REFERENCES:
patent: 4509077 (1985-04-01), Therrien
patent: 4631598 (1986-12-01), Burkhardt et al.
patent: 4852063 (1989-07-01), McNutt
patent: 5086343 (1992-02-01), Cook et al.
patent: 5260784 (1993-11-01), Kamiyama et al.
patent: 5309376 (1994-05-01), Barraco et al.

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