Control method of vertical scan speed

Details Control method of vertical scan speed Control method of vertical scan speed

1986-08-08

1988-03-22

Coles, Sr., Edward L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358260, H04M 117

Patent

active

047333081

ABSTRACT:
When a document and a recording medium are moved in a vertical scanning direction to read the document and record signals on the recording medium, the read signals are stored in a line buffer memory. The present invention changes over hysteretically a high speed vertical scan mode and a low speed vertical scan mode in accordance with the number of the buffered code bits in the line buffer memory to read the document and record the signal on the recording medium. Thus, the present invention reduces the number of stops of vertical scan.

REFERENCES:
patent: 4629369 (1986-12-01), Kurata et al.

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