Abstract: In certain embodiments, an ophthalmic system that presents information describing an eye includes a memory, display device, and computer. The memory stores data describing the eye. The data includes measurements of the eye, and the measurements include one or more eye model measurements used to generate an eye model of the eye. The display device presents an image. The computer applies a light propagation technique to the eye model measurements to generate the eye model of the eye. The computer receives a selection of one or more parameters to use in a simulation performed using the eye model and applies the selected parameters to the eye model to yield one or more simulated focal areas. The computer instructs the display device to present the image that includes the simulated focal areas relative to the retinal plane of the eye.

Abstract: A method for generating a behaviour tree for controlling a robot device. The method includes: combining a plurality of predetermined behaviour trees and background knowledge into a behaviour tree knowledge graph, representing the behaviour tree knowledge graph in a latent space; extracting, from a prompt describing a desired behaviour of the robot device, a prompt representation graph; supplementing the prompt representation graph according to relations specified by the behaviour tree knowledge graph; selecting a sub graphs of the behaviour tree knowledge graph depending on a similarity to the supplemented prompt representation graph; and generating the behaviour tree for controlling the robot device by adjusting the selected sub graph according to knowledge from the prompt and the behaviour tree knowledge graph.

Abstract: A method is for training a base model for object detection, trajectory prediction, and/or motion planning of a vehicle. The method includes providing a training data set of image data, with each piece of image data having information about at least one driving scene from a point of view of the vehicle, and providing a knowledge graph including domain-specific knowledge of the at least one driving scene. The method further includes optionally partitioning the image data into a plurality of image sections, and generating information matrices corresponding to the image sections by assigning domain-specific knowledge about the at least one driving scene extracted from the knowledge graph and/or directly from the image data to the plurality of image sections of the image data. The method also includes training the base model based on the information matrices.

Abstract: A computer-implemented method for trajectory prediction. The method includes: receiving trajectory data of motion trajectories of road users arranged in a surrounding area of the ego vehicle by a prediction module, wherein the trajectory data are arranged in a graph representation; receiving map data of a map representation mapping the surrounding area of the ego vehicle by the prediction module; generating an interaction graph representation for the plurality of road users based on the trajectory data of the road users and roadway location information of the map representation by the prediction module; and predicting a future motion trajectory to be executed for at least one other road user based on the trajectory data, the map data, and the interaction graph representation of the road users by the prediction module.

Abstract: This disclosure describes systems, software, and computer implemented methods including receiving a request from a second entity to transfer a digital asset to a first entity. Receiving a request for an address and public key is sent to an asset custody application executing on a device that is managed by the first entity. Receiving, a public key and a wallet address and sends the wallet address to the second entity. Further this disclosure describes receiving a request to transfer a digital asset from a first entity to a second entity. Generating a transaction package pursuant to the one or more parameters, the transaction package including a transaction and a public key of a digital wallet associated with the first entity. Executing the transaction and sending the signed transaction package to a distributed ledger.

Abstract: A system including a power tool and an energy supply device, wherein the energy supply device is provided for supplying the power tool with electrical energy. The energy supply device can be releasably connected to the power tool via an interface, wherein the interface includes at least a female contact partner and a male contact partner. The female contact partner and the male contact partner are in contact with each other in at least a first contact region and in a second contact region. The first contact region may be defined by a first contact normal force, while the second contact region may be defined by a second contact normal force, wherein the first contact normal force and the second contact normal force have different orientations. In addition, the interface can include an elastic means for reducing the relative movement between the male contact partner and the female contact partner. An interface for transmitting electrical energy, and to an energy supply device is also provided.

Abstract: An energy supply device is provided, in particular for a power tool, the energy supply device being detachably connectable to the power tool. The energy supply device includes at least one element for locking the energy supply device in the power tool, wherein the at least one locking element is mounted rotatably about at least one first axis of rotation, wherein the first axis of rotation runs through a pivot point of the at least one locking element. In this case, the pivot point of the locking element precedes a locking location in an insertion direction. The energy supply device has at least one element for actuation by a user, wherein the at least one actuating element is mounted rotatably about at least one second axis of rotation which runs through a pivot point of the actuating element. In this case, the pivot point of the at least one locking element can precede a locking location in an insertion direction. In a second aspect, the invention relates to a power tool having a energy supply device.

Abstract: An energy supply device is provided, in particular for a power tool, the energy supply device being detachably connectable to the power tool. The energy supply device includes at least one element for locking the energy supply device in the power tool, wherein the at least one locking element is mounted rotatably about at least one first axis of rotation, wherein the first axis of rotation runs through a pivot point of the at least one locking element. The energy supply device includes at least one energy storage cell which has an internal resistance DCR_I of less than 10 milliohms (mOhm). In this case, the pivot point of the at least one locking element can precede a locking location in an insertion direction. A power tool having a energy supply device is also provided.

Abstract: A system that includes a power tool and an energy supply device, wherein the power tool can be detachably connected to the energy supply device via an interface, and wherein the energy supply device and the power tool are connection partners of the interface. One of the connection partners may have a locking element, whilst the respective other connection partner has a counterpart contour as a stop for the locking element, wherein the locking element and the counterpart contour have a base material with a first density. The locking element and the counterpart contour each have a contact region with contact materials, wherein at least one of the contact materials has a second density that may be higher than the first density of the base material. An energy supply device, wherein power tools and locking elements are also disclosed in the context of the invention.

Abstract: A system including a power tool and an energy supply device, wherein the power tool can be detachably connected to the energy supply device via an interface. The interface has a base material with a first density and is designed in such a way that the interface allows a relative movement of the power tool and the energy supply device in an insertion direction and prevents a relative movement between the power tool and the energy supply device in the other spatial directions. The energy supply device has a first contact region with a first contact material and the power tool has a second contact region with a second contact material, wherein the first contact material and/or the second contact material have a second density, wherein the second density is greater than the first density of the base material of the interface. An energy supply device, and to a corresponding interface is also provided.

Abstract: A battery pack, in particular to an interchangeable battery pack includes a housing. The housing includes at least two housing portions and a sealing unit for sealing the housing. The sealing unit includes at least one sealing element received in a receiving space between the housing portions. The sealing element includes exactly two seal lips.

Abstract: A computer-implemented method for training a classifier for classifying an input signal, the input signal comprising image data, the classifier comprising an embedding part configured to determine an embedding depending on the input signal inputted into the classifier and a classification part configured to determine a classification of the input signal depending on a the embedding. The method includes: providing a first training data set of training samples, each training sample comprising an input signal and a corresponding desired classification out of a plurality of classes, providing, in a knowledge graph, additional information associated with at least one of the target classifications, providing a knowledge graph embedding method of the knowledge graph, providing a knowledge graph embedding of the knowledge graph obtained by use of a knowledge graph embedding method, training the embedding part depending on the knowledge graph embedding and the first training data set.

Abstract: This disclosure describes systems, software, and computer implemented methods including receiving a request from a second entity to transfer a digital asset to a first entity. Receiving a request for an address and public key is sent to an asset custody application executing on a device that is managed by the first entity. Receiving, a public key and a wallet address and sends the wallet address to the second entity. Further this disclosure describes receiving a request to transfer a digital asset from a first entity to a second entity. Generating a transaction package pursuant to the one or more parameters, the transaction package including a transaction and a public key of a digital wallet associated with the first entity. Executing the transaction and sending the signed transaction package to a distributed ledger.

Abstract: A method for predicting the behavior of at least one road user in a traffic situation. The method includes: obtaining a graph representation of the traffic situation, wherein nodes represent road users, edges represent interactions between the road users and define an adjacency between road users, each node is associated with a state, and each edge is associated with edge attributes; computing an evolution of the states of the nodes based at least in part on a self-evolution of the state of each considered node that is dependent on this state and mediated by a self-evolution operator; and an interaction of each considered node with other nodes that is dependent on the states of these other nodes and mediated by an interaction operator; and computing a sought property that characterizes the behavior of the at least one road user.

Abstract: A power tool for chiseling and drilling includes a housing, a motor disposed inside the housing, and a pneumatic percussion mechanism. An operation mode selector switch is disposed on the housing and has a first operation mode setting and a second operation mode setting where the first operation mode setting activates the pneumatic percussion mechanism and the second operation mode setting deactivates the pneumatic percussion mechanism. A valve has an inlet-port formed inside the guiding tube and an outlet-port formed outside the guiding tube where the valve is connected to the operation mode selector switch. The valve is closed in the first operation mode setting which disables an air exchange between the inlet-port and the outlet-port and the valve is open in the second operation mode setting which enables the air exchange between the inlet-port and the outlet-port.

Abstract: An ophthalmic laser surgical system for treating an eye includes a laser device, one or more cameras, and a computer. The eye has anatomical features, including the cornea with the anterior corneal surface. The laser device directs a laser beam towards the eye. A camera generates images of the anatomical features, including the anterior corneal surface. The computer facilitates docking a patient interface onto the eye by accessing eye information describing the eye. The eye information comprises an eye model describing the anatomical features. The computer determines from the eye model the predicted corneal surface position when the eye is aligned to dock the patient interface onto the eye. The computer detects from the images the actual corneal surface position prior to docking the patient interface onto the eye, and compares the predicted corneal surface position with the actual corneal surface position to detect misalignment.

Abstract: The disclosure relates to systems and methods for performing eye surgery in which a single image that simultaneously presents a graphical representation of a planned or actual flap location superimposed with a graphical representation of a planned or actual area of ablation is used.

Abstract: A power tool for chiseling and drilling includes a housing, a motor disposed inside the housing, and a pneumatic percussion mechanism. An operation mode selector switch is disposed on the housing and has a first operation mode setting and a second operation mode setting where the first operation mode setting activates the pneumatic percussion mechanism and the second operation mode setting deactivates the pneumatic percussion mechanism. A valve has an inlet-port formed inside the guiding tube and an outlet-port formed outside the guiding tube where the valve is connected to the operation mode selector switch. The valve is closed in the first operation mode setting which disables an air exchange between the inlet-port and the outlet-port and the valve is open in the second operation mode setting which enables the air exchange between the inlet-port and the outlet-port.

Abstract: A shock absorbing device for a rechargeable battery, in particular for supplying a machine tool with electrical energy, wherein the rechargeable battery includes a housing for accommodating at least one energy storage cell. The shock absorbing device includes at least one shock absorbing element for absorbing shock energy exerted on the housing of the rechargeable battery.

Abstract: A shock absorbing device for a rechargeable battery, in particular for supplying a machine tool with electrical energy, wherein the rechargeable battery includes a housing for accommodating at least one energy storage cell. The shock absorbing device includes at least one shock absorbing element for absorbing shock energy exerted on the housing of the rechargeable battery.