Facsimile and static presentation processing – Facsimile – Facsimile memory monitoring
Patent
1994-06-29
1997-11-04
Vu, Kim
Facsimile and static presentation processing
Facsimile
Facsimile memory monitoring
358468, 358437, 358444, 358412, 358406, 382232, H04N 100, H04N 132, H04N 136, G06K 936
Patent
active
056846029
ABSTRACT:
A facsimile apparatus comprises a receiving buffer for receiving video data, a scanner for reading an image, a VRAM for storing a coded data, a single coding/decoding (C/D) IC for MR-coding, MR-to-MMR coding, decoding, and error-checking, and a page printer, and a control circuit, when an event requiring more than two operations of the C/D IC at the same time, the control circuit permits only one operation and force the other operations to wait in some condition. In another condition, the control circuit permits one of the other operation and force the other operations to wait. For example, when the scanner reads an image to produce read data and the C/D IC codes the read data to store the read data in the VRAM and there is a call, the control means connects the line but keeps the coding if the receiving buffer has a space. In the presence of the space the control circuit interrupt the coding and starts the decoding. Another event requiring operation of C/D IC of the MMR coding from MR coded data and operation of MR coding, decoding, or error-checking may be occur. Various events requiring combination of operations of the single C/D IC at the same time and various adaptable controllings are considered.
REFERENCES:
patent: 4630126 (1986-12-01), Kaku et al.
patent: 4706126 (1987-11-01), Kondo
patent: 4887164 (1989-12-01), Takahashi
patent: 5063459 (1991-11-01), Nakatani
patent: 5148293 (1992-09-01), Miyachi
Hayashi Masahiro
Higuchi Takafumi
Ipponyari Tadanori
Okamoto Katsuya
Tsuchiya Suguru
Harris Tia M.
Matsushita Graphic Communication Systems Inc.
Vu Kim
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