Coded data generation or conversion – Analog to or from digital conversion – Analog to digital conversion
Patent
1989-02-08
1990-10-16
Shoop, Jr., William M.
Coded data generation or conversion
Analog to or from digital conversion
Analog to digital conversion
382 50, H03M 138
Patent
active
049638750
ABSTRACT:
In a device for coding analog image signals from an image sensor into binary image signals, there is provided a feed back circuit for averaging the image signal derived from the image sensor. A comparator compares the signal derived from the image sensor and the averaged signal for coding the analog image signal into binary image signal.
REFERENCES:
patent: 4556125 (1986-01-01), Clunn
patent: 4766332 (1988-08-01), Pelgrom et al.
Hoff Marc S.
Sharp Kabushiki Kaisha
Shoop Jr. William M.
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