Fujitsu Technology Solutions Intellectual Property Gmbh

Fujitsu Technology Solutions Gmbh

Rainer Staude

Rudolf Häußermann

Waldemar Felde

Rudolf Häussermann

Andreas Maier

Peter Kastl

Ottwald Markel

Rudolf HÄUSSERMANN

A protective circuit includes an input that provides a first supply voltage, a voltage regulator that provides a second supply voltage based on the first supply voltage, a measuring device that identifies an impedance of the voltage regulator, and a self-locking switching element configured to connect the first supply voltage with the voltage regulator if an impedance of the voltage regulator exceeds a predefined impedance value.

Protective circuit, operating method for a protective circuit and computer system

A system circuit board configured to be supplied by at least one power supply unit, with an operating voltage in an operating state and a stand-by voltage in at least one stand-by state, the system circuit board includes at least one connection device for at least one extension card, wherein the connection device is configured to provide at least one first card voltage on the basis of the operating voltage; at least one switching element arranged on the system circuit board and configured to disconnect the at least one connection device from the operating voltage; and a control device arranged on the system circuit board, and configured to identify a type of a connected power supply unit and send a switching signal to the switching element depending on the identified type.

System circuit board, operating method for a system circuit board, and computer system

A computer system includes power supply providing at least one secondary supply voltage to generate operating voltage and a standby voltage; a system board with a plurality of system components arranged thereon; at least one sequencing microcontroller arranged on the system board for time-controlled provision of at least one of the operating voltage and the standby voltage to the plurality of system components; and at least one button that switches the computer system from a standby state to an operating state; wherein the sequencing microcontroller is configured, when the button is held for a first predefined time period indicating a forced switching of the computer system from the operating state to the standby state, to disconnect the plurality of system components from both the operating voltage and the standby voltage for a second predefined time period so that each of the plurality of system components is reset.

Computer system, operational method for a microcontroller, and computer program product

An energy supply assembly includes a supply input that provides a first voltage Vwith a maximum output current; a first voltage converter connected to the supply input to convert the first voltage Vinto a second voltage; an intermediate storage element connected to the first voltage converter to temporarily store electric energy of the second voltage; at least one first supply output connected to the supply input to provide the first voltage V; at least one second supply output connected to the intermediate storage element to provide a further supply voltage V; a measuring device to measure a current received via the supply input and/or a current output via the first supply output; and a control circuit that actuates the first voltage converter, wherein the control circuit is configured to actuate the first voltage converter on the basis of the measured current such that the current output via the at least one first supply output and the current received by the first voltage converter together do not exceed the maximum output current.

Energy supply assembly, point of sale system and powered USB host adapter

A computer system including a power supply unit that generates at least one DC supply voltage (V, V) based on an AC supply voltage (V), and a system board electrically connected to the power supply unit, the system board comprising a sequencing microcontroller that selectively activates further components of the system board, the further components comprising a chipset, wherein the sequencing microcontroller monitors the state of at least one control signal of the power supply unit and/or the system board to detect a shutdown and a successful reboot of the system board and, after a shutdown of the system board is detected, signals a reboot command to at least the chipset at predetermined intervals until a successful reboot of the system board is detected.

Computer system and operating method

A computer system that includes a power supply unit that generates at least one secondary supply voltage (V) and an auxiliary voltage (V) based on an AC supply voltage (V), and a system board electrically connected to the power supply unit, the system board comprising a sequencing microcontroller that selectively activates further components of the system board, the further components comprising a chipset, wherein the sequencing microcontroller is configured to monitor the state of at least one control signal of the power supply unit and/or the system board to detect a failure of the AC supply voltage (V) and signal the failure of the AC supply voltage (V) to at least the chipset.

Growing community of inventors

Munich, Germany

Rainer Staude