Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1989-11-16
1992-10-20
Groody, James J.
Facsimile and static presentation processing
Facsimile
Recording apparatus
35821323, H04N 314, H04N 5335
Patent
active
051575019
ABSTRACT:
A blooming measuring method for solid state image pick-up device and an apparatus thereof are disclosed, the method being constituted such that a spot beam having a certain area is irradiated to the light receiving zone of the solid state image pick-up device; the number of high level signal charges are counted from among the signal charges which are outputted from the solid state image pick-up device, and which are corresponding to one picture; and the counted value is compared with the area of the above mentioned spot beam. The apparatus of the present invention comprises: a light ray supplying means for supplying a spot beam; a driving signal generating means for driving the solid state image pick-up device; a signal detecting means for detecting only the signal charges; and a counting means for counting only the high level signals. According to the present invention, the variations of the characteristics can be excluded, and the measured results are outputted in a quantitative form, thereby making it possible to understand the characteristics exactly and precisely.
REFERENCES:
patent: 4450484 (1984-05-01), Terakawa et al.
Kim Dae K.
No Young B.
Bushnell Robert E.
Clements Wendy R.
Groody James J.
Samsung Electronics Co,. Ltd.
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