Infineon Technologies Ag

Spielo International Austria Gmbh

Atronic International Ag

Shadesign Gmbh & Co Kg

Peter Lang

Dominik Josef Berger

Ewald Mothwurf

Franz Lechner

Martin Kaltenegger

Stefano Orlandi

Davide Dal Bianco

Florian Regvar

Heinrich Trebo

Tommaso Pieretti

Florian Aulinger

Gunter Schwarzberger

A circuit for controlling a switch of a power converter. The circuit includes loop control circuitry configured to generate a control signal based on a feedback signal for the power converter and undervoltage circuitry. The undervoltage circuitry is configured to compare a voltage for a capacitor of the power converter with a voltage threshold. The undervoltage circuitry is further configured to, in response to the voltage for the capacitor of the power converter being greater than the voltage threshold, generate a switching signal to drive a switch of the power converter based on the control signal. The undervoltage circuitry is further configured to, in response to the voltage for the capacitor of the power converter being less than the voltage threshold, generate the switching signal to drive the switch of the power converter to the switched-in state until an inductor current is greater than an electrical current threshold.

Minimum peak current for power converter

The present invention discloses a device for rolling up and unrolling a material web () on a shaft (). The device is distinguished by the fact that a first radial spacing (R) of the material web () from a rotational axis of the shaft (), which first radial spacing (R) is assigned to any desired unrolled length (L) of the material web (), differs from a second radial spacing (R) of a tensioning cable () from the rotational axis of the shaft (), which second radial spacing (R) is assigned to said unrolled length (L), with the result that the direction and magnitude of a first torque which is exerted on the shaft () via the material web () differ from those of a second torque which is exerted on the shaft () via the tensioning cables (), in such a way that, on account of the torque difference between the first torque and the second torque, the shaft () is driven by a force (F) which is transmitted by means of the tensioning cables ().

Device for rolling up and unrolling a material web onto and from a shaft

Various type of jackpot systems are disclosed wherein visible jackpots are replenished after a win by an invisible jackpot. Some embodiments include: replenishing the visible jackpot with less than 100% of the invisible jackpot; increasing the invisible jackpot at a rate faster than the rate at which the visible jackpot is increased; having a criteria for a win of the jackpot based on the amount of the invisible jackpot; and using multiple visible and invisible jackpots in various ways.

Gaming machine with hidden jackpot

Methods and apparatuses for detection of a presence of a load. A method may include, for example, applying and subsequently removing a supply voltage across the pair of nodes, comparing an electrical potential at one of the pair of nodes at a time after the supply voltage is removed with a reference value, and generating a signal having a value that depends upon an outcome of the comparison.

Method for detection of the presence of a load and drive circuit

A jackpot system used in casinos for allocating the wins from at least one jackpot to players playing at a plurality of gaming positions. The gaming positions are associated with a computer network including a computing engine having a memory for receiving inputs from the gaming positions and at least one output for communicating information to the players. At least one paytable is stored in that memory or in another memory associated with the computer network. The paytable can be configured by an operator and has a plurality of possible winning entries and wins associated with the winning entries. A selection generator is triggered at least once, via the computer network, by a trigger input generated in response to the playing of each game of a group of selected games to generate a selection. The selection is compared with the paytable and if the selection corresponds to a winning entry, the associated win is transferred to at least one player associated with the gaming position which triggered the selection, and/or to another jackpot.

Jackpot system

Growing community of inventors

Graz, Austria

Peter Lang