Abstract: A safety switching for elevator systems includes a safety function and a safety switch dedicated to the safety function. The safety switch opens or closes a safety circuit between one connection point and a second connection point as a function of a safety state of the safety function. A test function tests whether or not the safety switch opens and closes the safety circuit as a function of the safety state of the safety function. A detection device is provided for the test function. An auxiliary energy function is provided wherein an auxiliary voltage can be temporarily applied via at least the safety switch and an input part of the detection device for performing the test function. Locally between the connection points the auxiliary energy function introduces an auxiliary energy for generating the auxiliary voltage. The safety switching can be used for converting or retrofitting an existing elevator system.

Abstract: A turbine is provided comprising a plurality of stages, each stage comprising a rotatable disk and blades carried thereby, at least one pair of adjacent rotatable disks defining an annular gap therebetween and having respective opposing sealing band receiving slots aligned with the annular gap A sealing band is located in the opposing receiving slots to seal the annular gap Disk engagement structure is defined in the pair of adjacent rotatable disks. A clip member is coupled to the sealing band and engaged with the pair of adjacent rotatable disks through the disk engagement structure The clip member may have an aperture extending only partially through the clip member for alignment with a hole in the sealing band for engagement with a tool To improve weld geometry, the clip member may have angled surfaces and notched areas, and the sealing band may have chamfered edges.

Abstract: An example apparatus, such as a vibration testing tool, includes: a housing configured to fit into, and to connect to, a test slot configured to house a device for testing, with the test slot being part of a device test system; accelerometers connected to the housing and configured to output signals representing movement of the apparatus; and circuitry connected to the housing to generate data based on the signals, with the data being usable to determine multiple independent accelerations of the apparatus.

Abstract: A fastening element for a climbing device configured for fastening to a tree, pole, mast, column, pillar, or like climbing surface includes an outer shell, a concave contact surface formed within the outer shell and a plurality of anchoring nubs. A lattice structure including a plurality of raised ribs may form the contact surface. Each of the plurality of anchoring nubs protrudes from the raised ribs, and one or more may be formed at least partially at an intersection of the lattice structure. The nubs may have a rounded profile and are preferably symmetrically aligned around a longitudinal axis of the fastening element. The plurality of anchoring nubs and the concave contact surface, e.g., a plurality of raised ribs, form an anchoring surface configured to contact a climbing surface, and to anchor the fastening element to the climbing surface, a tree, for example, without damage thereto.

Abstract: A switching device for an elevator door provides a door contact signal. The switching device includes a magnet, a plurality of proximity sensors, and a detection area, which area is adjoined by the proximity sensors and in which the magnet can be moved. A sensor signal can be generated by each of the proximity sensors in at least one position of the magnet in the detection area, wherein the sensor signals are dependent on the distance from the magnet to the proximity sensors. A method for providing the door contact signal utilizes the switching device.

Abstract: A memory system has an array of split gate non-volatile NVM cells that are in program sectors and the program sectors make up one or more erase sectors. The control gate of cells in a program sector are physically connected. A program/erase circuit programs a selected program sector by applying a programming signal to the control gates of the split gate memory cells of the selected program sector while applying a non-programming signal to the control gates of program sectors not selected for programming, that erases an erase sector comprising a plurality of the program sectors by contemporaneously applying an erase voltage to the control gates of the split gate NVM cells of the erase sector, wherein during the applying the programming signal, the program/erase circuit applies a source voltage to the sources of each of the split gate NVM cells of the erase sector.

Abstract: An elevator installation includes a first car and a second car, which cars are arranged on a car frame so as to be displaceable symmetrically in opposite directions. The elevator installation has an information carrier that is arranged along a region of travel of the first and second cars or of the car frame, a first sensor unit arranged on the first car, and a second sensor unit arranged on the second car. The first sensor unit and the second sensor unit are configured to read information from the information carrier, which information determines in each case an absolute position for the first car and for the second car.

Abstract: A memory system has an array of split gate non-volatile NVM cells that are in program sectors and the program sectors make up one or more erase sectors. The control gate of cells in a program sector are physically connected. A program/erase circuit programs a selected program sector by applying a programming signal to the control gates of the split gate memory cells of the selected program sector while applying a non-programming signal to the control gates of program sectors not selected for programming, that erases an erase sector comprising a plurality of the program sectors by contemporaneously applying an erase voltage to the control gates of the split gate NVM cells of the erase sector, wherein during the applying the programming signal, the program/erase circuit applies a source voltage to the sources of each of the split gate NVM cells of the erase sector.

Abstract: A safety circuit for an elevator system includes a plurality of switch contacts, at least one first switch contact, and a control unit. The at least one first switch contact can be switched electronically and can be bridged using a conductive bridging element, in particular for maintenance or testing purposes. Additionally, the control unit is directly or indirectly connected to the safety circuit. The at least one first switch contact can be switched on the basis of instructions of the control unit in order to change the state of the safety circuit.

Abstract: The present disclosure provides for semiconductor structures and methods for making semiconductor structures. In one embodiment, isolation regions are formed in a substrate, and wells are formed between the isolation regions. The wells include a first low voltage well and a second low voltage well in a logic region of the substrate, and a memory array well in an NVM region of the substrate. A first layer of oxide is formed over the first low voltage well and the memory array well, and a second layer of oxide is formed over the second low voltage well, the second layer being thinner than the first layer. Gates are formed over the wells, including a first gate over the first low voltage well, a second gate over the second low voltage well, and a memory cell gate over the memory array well. Source/drain extension regions are formed around the gates.

Abstract: A fastening element for a climbing device configured for fastening to a tree, pole, mast, column, pillar, or like climbing surface includes an outer shell, a concave contact surface formed within the outer shell and a plurality of anchoring nubs. A lattice structure including a plurality of raised ribs may form the contact surface. Each of the plurality of anchoring nubs protrudes from the raised ribs, and one or more may be formed at least partially at an intersection of the lattice structure. The nubs may have a rounded profile and are preferably symmetrically aligned around a longitudinal axis of the fastening element. The plurality of anchoring nubs and the concave contact surface, e.g., a plurality of raised ribs, form an anchoring surface configured to contact a climbing surface, and to anchor the fastening element to the climbing surface, a tree, for example, without damage thereto.

Abstract: A switching device for an elevator door provides a door contact signal. The switching device includes a magnet, a plurality of proximity sensors, and a detection area, which area is adjoined by the proximity sensors and in which the magnet can be moved. A sensor signal can be generated by each of the proximity sensors in at least one position of the magnet in the detection area, wherein the sensor signals are dependent on the distance from the magnet to the proximity sensors. A method for providing the door contact signal utilizes the switching device.

Abstract: A level shifting circuit that includes a level shifter and a circuit stage. The circuit stage includes a pair of diodes circuits. The circuit stage includes a first output node and a second output node. The first output node is coupled via a current path to a first output of the level shifter and the second output node is coupled to via a current path to a second output of the level shifter. One of the diodes is coupled to the first output node and a power supply terminal. The other diode is coupled to the second output node and the power supply terminal.

Abstract: A turbine including a plurality of stages, each stage including a rotatable disk and blades carried thereby. An annular gap defined between a pair of adjacent rotatable disks. A sealing band is located in opposing sealing band receiving slots formed in the adjacent disks to seal the annular gap, the sealing band including band engagement structure. A disk engagement structure is defined in the pair of adjacent rotatable disks. The disk engagement structure extends axially into the pair of adjacent rotatable disks and circumferentially aligns with the band engagement structure. A clip member is positioned in engagement with the sealing band through the band engagement structure and in engagement with the pair of adjacent rotatable disks through the disk engagement structure. The clip member restricts movement of the sealing band in only a circumferential direction of the slots.

Abstract: The present disclosure provides for semiconductor structures and methods for making semiconductor structures. In one embodiment, isolation regions are formed in a substrate, and wells are formed between the isolation regions. The wells include a first low voltage well and a second low voltage well in a logic region of the substrate, and a memory array well in an NVM region of the substrate. A first layer of oxide is formed over the first low voltage well and the memory array well, and a second layer of oxide is formed over the second low voltage well, the second layer being thinner than the first layer. Gates are formed over the wells, including a first gate over the first low voltage well, a second gate over the second low voltage well, and a memory cell gate over the memory array well. Source/drain extension regions are formed around the gates.

Abstract: A sealing band arrangement for a gas turbine including first and second adjoining rotor disks each including a disk arm having a slot. The sealing band arrangement includes at least one first seal strip segment located within the slots, wherein the seal strip segment includes first and second ends. The sealing band arrangement also includes a tab section that extends from the first end in order to form an underlap seal with an adjacent second seal strip segment. The underlap seal enables a thickness of the first and second ends to be substantially equivalent to a thickness of the first seal strip segment in order to improve wear life of the seal strip segment. The sealing band arrangement further includes at least one wide portion formed in the first seal strip segment wherein the wide portion is wider than a remaining portion of the first seal strip segment.

Abstract: A circuit includes a non-volatile memory, a calibration circuit, and a sense amplifier. The sense amplifier senses a state of a memory cell during sensing. The sense amplifier includes a differential circuit having a first input coupled to a reference current source, a second input, and an output coupled to the calibration circuit during a calibration mode. A calibration current source is configured to be coupled to the second input of the differential current sensing circuit during the calibration mode and decoupled from the second input during the sensing mode. A variable current source is coupled to the differential current sensing circuit and the calibration circuit. The calibration circuit tests a plurality of currents of the variable current source during the calibration mode and selects one of the plurality of currents. The sense amplifier senses using the selected one of the plurality of currents.

Abstract: Dibenzylidene and heterobenzylideneacetone derivatives, related 4-piperidones, related 4-thiopyranones and the corresponding sulfinyl- and sulfonyl-analogues for their use for prophylaxis or treatment of trypanosomiasis and leishmaniasis.

Abstract: In an elevator installation, an elevator car is movably arranged alongside guide rails and the elevator car is equipped with a brake system with preferably two safety brakes. A movement monitoring system monitors the movement parameters of the elevator car and triggers corresponding warnings or safety measures, if permissible threshold values are exceeded or it provides determined adjusted movement parameters to an elevator control. The movement monitoring system determines a first movement parameter in a time interval and detects an acceleration of the elevator car. The movement monitoring system determines the time interval for determining the adjusted movement parameter as a function of the detected acceleration.

Abstract: A turbine is provided comprising a plurality of stages, each stage comprising a rotatable disk and blades carried thereby, at least one pair of adjacent rotatable disks defining an annular gap therebetween and having respective opposing sealing band receiving slots aligned with the annular gap A sealing band is located in the opposing receiving slots to seal the annular gap Disk engagement structure is defined in the pair of adjacent rotatable disks. A clip member is coupled to the sealing band and engaged with the pair of adjacent rotatable disks through the disk engagement structure The clip member may have an aperture extending only partially through the clip member for alignment with a hole in the sealing band for engagement with a tool To improve weld geometry, the clip member may have angled surfaces and notched areas, and the sealing band may have chamfered edges.