Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1985-02-26
1987-02-17
Groody, James J.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358257, 358280, 358287, H04N 100
Patent
active
046444092
ABSTRACT:
A method and device for adapting the scanning-resolution used by a first document-scanning device acting as an input device to a scanning-resolution used by a second such device acting as an output device so that the signals generated by the first device can be processed by the second device. User-selectable input and output scanning resolutions determine an output/input resolution ratio which specifies replication of scan-lines received from the input device and transmittal and skipping of selected ones of these scan-lines to the output device. Replication and skipping of scan-lines take place concurrently so that only a single scan-line need be accessed and stored during the adaption resolution process. The method and apparatus of the present invention permit connection of an input scanning device to an output scanning device without restriction as to the scanning-resolutions used internally within the devices.
REFERENCES:
patent: 3751582 (1973-08-01), Wernikoff et al.
patent: 3914538 (1975-10-01), Perreault et al.
patent: 4000371 (1976-12-01), Ogawa
patent: 4471381 (1984-09-01), Kasuga et al.
patent: 4533958 (1985-08-01), Herget
patent: 4575769 (1986-03-01), Arnoldi
Advanced Micro Devices , Inc.
Coles Edward L.
Groody James J.
King Patrick T.
Salomon Kenneth B.
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