System for switching between stand-by and wake-up states, of an

Details System for switching between stand-by and wake-up states, of an System for switching between stand-by and wake-up states, of an

1997-06-27

1999-03-16

Gaffin, Jeffrey

Electrical transmission or interconnection systems

Switching systems

Condition responsive

364707, 39575001, 39575003, 307125, H01H 3500, G06F 100

Patent

active

058834460

ABSTRACT:
In this system including a switching device (21) interposed between an information processing unit (22) and an analogue switch (23), in which the unit includes an analogue information input (24) and a wake-up information input (25) originating from an output of the switch, the unit includes a stand-by/wake-up state control output (27) for the device, and this device includes a switch facility (28) openable by the state control output, and which is interposed between the output of the switch and a comparator (29) adapted so as to compare the output from the switch with a reference level so as to deliver a corresponding command at the wake-up information input, and a switch facility (30) closeable by the state control output, and which is interposed between the output of the switch and the analogue information input (24).

REFERENCES:
patent: 5198697 (1993-03-01), Loth
patent: 5214785 (1993-05-01), Fairweather
patent: 5237698 (1993-08-01), Ohmae
patent: 5481732 (1996-01-01), Shahbazi
patent: 5579252 (1996-11-01), Huang
patent: 5664203 (1997-09-01), Hong et al.
Electronique, No. 15, 1 Feb. 1992, Paris, p. 23, 25 XP000331790, "Un amplificateur a deux etats de fonctionnement."
Electronics, vol. 48, No. 25, 11 Dec. 1975, New York, US, p. 107 XP002027610; SMIT: "Sensing resistor limits power-supply current."

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