Selecting interface device for facsimile apparatuses

Details Selecting interface device for facsimile apparatuses Selecting interface device for facsimile apparatuses

1987-09-25

1989-01-31

Caldwell, Sr., John W.

Telephonic communications

Telephone line or system combined with diverse electrical...

To produce visual-graphic copy

358256, 358257, 358258, H04N 122

Patent

active

048022047

ABSTRACT:
The present invention discloses a selecting device for interfacing between a telephone line and two facsimile apparatuses and comprises a telephone line; terminal adapted to be coupled with the telephone line; two facsimile apparatus terminals adapted to be coupled with the two facsimile apparatuses respectively; a loop selection circuit coupled with the telephone line terminal and the facsimile apparatus terminals; and means, coupled with the loop selection circuit, for controlling the loop selection circuit selectively to couple two of the telephone line terminal and the facsimile apparatus terminals with each other.

REFERENCES:
patent: 3914539 (1975-10-01), Hashimoto
patent: 4644529 (1987-02-01), Amstotz et al.
patent: 4686698 (1987-08-01), Tompkins et al.

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