Facsimile system for recording received picture data having buff

Details Facsimile system for recording received picture data having buff Facsimile system for recording received picture data having buff

1990-11-15

1993-05-18

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Reduced time or bandwidth for static image communication

3582614, H04N 1419

Patent

active

052125645

ABSTRACT:
A system for recording received picture data for facsimile transmission includes a compressor for encoding decoded received picture data per line as a unit and compressing the encoded picture data to produce compressed data. A decision unit is connected to the compressor to decide whether the number of bits of the compressed picture data or the number of bits of the restored picture data is smaller to produce a control signal representing the decision result. A buffer storage unit is operatively connected to the compressor for storing the picture data having a smaller number of bits decided by the the decision unit. The system also includes an output decoder connected to the buffer unit for delivering a decoded original picture data in the buffer storage when the data from the buffer storage is compressed data and delivering the data from the buffer storage unit when the data from the buffer storage unit is original picture data.

REFERENCES:
patent: 4663671 (1987-05-01), Seto
patent: 4695895 (1987-09-01), Nagashima
patent: 4805135 (1989-02-01), Ochi et al.
patent: 4937681 (1990-06-01), Fujinawa et al.
Japanese Translation of Standarzation of Group 3 Facsimile Apparatus for Document Transmission (Geneva 1980), pp. 265-279.

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