Facsimile machine for controlling a power supply in consonance w

Details Facsimile machine for controlling a power supply in consonance w Facsimile machine for controlling a power supply in consonance w

1995-09-06

2000-07-11

Rogers, Scott

Facsimile and static presentation processing

Facsimile

Auxiliary signal

358438, 358468, 37910204, H04N 132, H04N 100

Patent

active

060881283

ABSTRACT:
In an apparatus that has a main power supply and a sub-power supply. In a standby state, the main power supply is turned on for an incoming call for facsimile communication, while the main power supply is not turned on for an incoming call for speech communication. Therefore, the unnecessary turning on and off of the main power supply can be prevented. When the DRPD (Distinguish Ringing Pattern Detect) service is provided, a plurality of telephone numbers are assigned to a single communication line, and a plurality of call signals whose pattern differ are employed for receiving calls. When one of these telephone numbers is used for facsimile and another telephone number is used for a telephone, an incoming call can be identified as being either for facsimile or for telephone by distinguishing between the patterns of the call signals. When the pattern of the call signal is for facsimile, the main power supply is turned on to perform data communication. When the pattern of the call signal is for telephone, the main power supply is not turned on.

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Pat. Abs. Jp., vol. 012, No. 238 (P-726), Jul. 7, 1988 (JP 63029821A).

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