Patent classifications
H
ELECTRICITY
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H04
ELECTRIC COMMUNICATION TECHNIQUE
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H04N
PICTORIAL COMMUNICATION, e.g. TELEVISION
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1/00
Scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission; Details thereof
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H04N1/024
Details of scanning heads; ; Means for illuminating the original
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H04N1/028
for picture information pick-up
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H04N1/03
with photodetectors arranged in a substantially linear array
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H04N1/031
the photodetectors having a one-to-one and optically positive correspondence with the scanned picture elements, e.g. linear contact sensors
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H04N1/0313
Direct contact pick-up heads, i.e. heads having no array of elements to project the scanned image elements onto the photodectors
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