PULL-DOWN CIRCUITRY FOR AN APPARATUS

Apparatus embodiments of the invention are disclosed for requesting power via a wired interface. In example embodiments, a pull-down circuit in the apparatus acting as a power consumer when there is no energy in the apparatus, is connected via a configuration line over a cable to a power provider de...

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Bibliographische Detailangaben
Hauptverfasser:	HELENIUS TEEMU, HELLBERG TINO, TALMOLA PEKKA, LEINONEN PEKKA, VAAJALA KRISTIAN, INHA KAI, JÄRVENSIVU SEPPO, TOIVOLA TIMO
Format:	Patent
Sprache:	eng ; pol
Schlagworte:	CALCULATING COMPUTING CONTROLLING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS REGULATING SYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
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Beschreibung
Zusammenfassung:	Apparatus embodiments of the invention are disclosed for requesting power via a wired interface. In example embodiments, a pull-down circuit in the apparatus acting as a power consumer when there is no energy in the apparatus, is connected via a configuration line over a cable to a power provider device. The apparatus may be in a power down mode, it may have an empty battery, or it may have no battery. The pull-down circuit is configured to use energy from the configuration line to pull down a voltage on the configuration line, to signal the power provider device to provide power over another line of the cable to the apparatus.