Facsimile apparatus with device to determine line changes, and h

Details Facsimile apparatus with device to determine line changes, and h Facsimile apparatus with device to determine line changes, and h

1987-11-24

1989-06-06

Schreyer, Stafford D.

Telephonic communications

With usage measurement

Call charge metering or monitoring

379130, 379140, 379100, 379413, H04M 1518

Patent

active

048378135

ABSTRACT:
A communication apparatus (e.g., a facsimile apparatus) has a monitor circuit to monitor line release after a line has been captured, a memory for storing information on a line release time when the line release is detected, and a control unit for controlling the apparatus. The control unit receives the time information from the memory at an end of a predetermined operation and can compute the appropriate time charge. A stand-by power source powers various components of the apparatus at certain times when full power is not needed, saving power use.

REFERENCES:
patent: 4656657 (1987-04-01), Hunsicker

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