Facsimile and static presentation processing – Facsimile – Facsimile measuring – testing – or calibrating
Patent
1989-12-28
1992-12-15
Coles, Sr., Edward L.
Facsimile and static presentation processing
Facsimile
Facsimile measuring, testing, or calibrating
358405, 358434, 358439, H04N 100
Patent
active
051722461
ABSTRACT:
An image communication method and apparatus use full duplex communication, wherein a receiving station sends position data designating where an error has been detected to a transmitting station via a backward channel while receiving the image data. The transmitting station continues to transmit current image data which is being sent when the position data is received and then retransmits the image data designated by the position data.
REFERENCES:
patent: 3340505 (1967-09-01), Scott
patent: 3456239 (1969-07-01), Glasson
patent: 4422171 (1983-12-01), Wortley et al.
patent: 4803685 (1989-02-01), Oget
patent: 4829524 (1989-05-01), Yoshida
patent: 5041917 (1991-08-01), Koshiishi
patent: 5057938 (1991-10-01), Edamura
Canon Kabushiki Kaisha
Coles Sr. Edward L.
Lee Thomas D.
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