Geometrical transformations in additive manufacturing
Granted: January 14, 2025
Patent Number:
12197187
In an example, a method includes receiving, at least one processor, voxelised object model data describing at least part of an intended fabrication chamber content to be generated using additive manufacturing. The voxelised object model data may be derived from a first data set modelling a first object as 2D slices and a second data set modelling a second object as a 3D mesh. Data within the voxelised object model data which is derived from the first data set may be identified, and a…
Print operation using plural sets of process values
Granted: January 14, 2025
Patent Number:
12194685
Example implementations relate to process capability procedures for additive manufacturing machines. One example implementation receives and prints two objects with corresponding process values for a set of process parameters within two build regions of the build volume. Measurements are made of each object comprising print parameters and a dataset comprising data representing the process values associated with the print parameters and data representing the second process values…
Modification of a 3D model of a 3D object
Granted: January 14, 2025
Patent Number:
12194533
According to examples, an apparatus may include a processor and a memory on which are stored machine-readable instructions that when executed by the processor, cause the processor to access a 3D model of a 3D object to be fabricated and apply a deformation model to the 3D model. In some examples, the processor may generate a modified 3D model that compensates for a determined deformation of the 3D object during a sintering process for the 3D object. In some examples, the deformation…
Structure to detect full state of two reservoirs in waste toner container
Granted: January 7, 2025
Patent Number:
12189326
Provided is a waste toner container including a housing having a first reservoir and a second reservoir, a light sensor including a light emitting portion and a light receiving portion, and a light guide member to connect the light emitting portion with the light receiving portion. The light guide member includes a first detection portion and a second detection portion each including a pair of optical surfaces that are apart from each other, and the first and second detection portions…
Frame burst overlapping basic service set handling
Granted: January 7, 2025
Patent Number:
12192924
Systems and methods are provided for frame burst overlapping basic service set (OBSS) handling. In various embodiments, the disclosed methods and systems provide for synchronizing access points (APs) in the same channel. Based on the synchronizing, the APs in the same OBSS channel can determine a distribution policy for using frame bursting. Each AP can use frame bursting in accordance with the distribution policy. In various embodiments, the APs can periodically send frame burst…
Autonomous access point failure recovery
Granted: January 7, 2025
Patent Number:
12192799
Implementations of the present disclosure relate to automatic AP failure recovery with assistance of a neighbor AP. A method includes detecting, by a first access point (AP), a failure at the first AP. The method further includes transmitting, by the first AP to a second AP, a query about an operating status of the second AP. The first AP then receives, from the second AP, a response to the query, the response indicating the operating status of the second AP. The method also includes…
Contextual authorisation
Granted: January 7, 2025
Patent Number:
12192384
A system, comprising an authentication module to generate a challenge to authenticate a user, the challenge to be distributed to members of a set of verifying parties; and grant the user access to a resource upon receiving an authenticating response to the challenge; and a combiner module to receive partial responses from members of the set of verifying parties upon verification of the user by each member, the verification made using a provided contextual identifier of the user; based on…
Multiple model injection for a deployment cluster
Granted: January 7, 2025
Patent Number:
12192292
Systems and methods are provided for servicing inference request by one of multiple machine learning models attached to a deployment cluster. The API server of a deployment cluster is not tightly coupled to any of multiple machine learning models attached to the deployment cluster. Upon receiving an inference request, the deployment cluster can retrieve the configuration parameters, including serialization formatting, for a target model identified in the inference request. The deployment…
Validating reachability for liaison VRFs using OAM ping packets
Granted: January 7, 2025
Patent Number:
12192086
Systems and methods provide a new type of time-length-value data stream (TLV) which can be encapsulated in an OAM ping packet. This “EVI TLV” encapsulating OAM ping packet can be sent to a network device (e.g., a border router) that a liaison VRF is provisioned on. Upon receipt, the encapsulated EVI TLV instructs the network device to determine whether the configuration of the liaison VRF is mapped to an EVI value specified by the EVI TLV. If the configuration of the liaison VRF is…
Geometrical transformations in additive manufacturing
Granted: January 7, 2025
Patent Number:
12189364
In an example, a method includes receiving, by at least one processor, object model data describing a geometry of at least part of at least one object to be generated using additive manufacturing. The object model data defines a first geometrical transformation to be applied to the object model data. It may be determined if a second geometrical transformation is to be applied to the object model data. If a second geometrical transformation is to be applied, the first and second…
Printing apparatus with leakage path for corona discharge
Granted: January 7, 2025
Patent Number:
12189316
A printing apparatus has a photo imaging plate to be held at a first voltage having a first polarity, and an intermediate transfer member to receive an intermediate image from the photo imaging plate. The intermediate transfer member is to be held at a second voltage having a second polarity opposite to the first polarity. An electrically conductive member is disposed between the photo imaging plate and the intermediate transfer member.
Three-dimensional printing
Granted: January 7, 2025
Patent Number:
12187873
An example of a multi-fluid kit for three-dimensional (3D) printing includes an elasticity agent to be applied to at least a portion of a build material composition during 3D printing and a fusing agent to be applied to the at least the portion of the build material composition during 3D printing. The elasticity agent includes a plasticizer having: a formula (I): wherein n is an integer ranging from 3 to 8; or a formula (II): wherein m is an integer ranging from 3 to 8. The…
Determining build parameters in additive manufacturing
Granted: January 7, 2025
Patent Number:
12186989
A computer-implemented method is disclosed. The computer-implemented method comprises receiving data indicative of a post-manufacture treatment to be applied to a three-dimensional object following completion of a manufacturing process to generate the three-dimensional object; and determining, based on the received data indicative of the post-manufacture treatment, build parameters to be applied in respect of the manufacturing process. A manufacturing apparatus and a machine-readable…
Three-dimensional printing with hindered phenolic antioxidants
Granted: January 7, 2025
Patent Number:
12186980
The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and an antioxidant agent. The fusing agent can include water and an electromagnetic radiation absorber that absorbs radiation energy and converts the radiation energy to heat. The antioxidant agent can include a liquid vehicle…
Three-dimensional printing with tinted anti-coalescing agents
Granted: January 7, 2025
Patent Number:
12186976
The present disclosure describes multi-fluid kits for three-dimensional printing, three-dimensional printing kits, and methods of making three-dimensional printed objects. In one example, a multi-fluid kit for three-dimensional printing can include a fusing agent and a tinted anti-coalescing agent. The fusing agent can include water and an electromagnetic radiation absorber that absorbs radiation energy and converts the radiation energy to heat. The tinted anti-coalescing agent can…
Three-dimensional printing
Granted: January 7, 2025
Patent Number:
12186805
Described herein are compositions, methods, and systems for printing metal three-dimensional objects. In an example, described is a method of printing a three-dimensional object comprising: (i) depositing a metal powder build material, wherein the metal powder build material has an average particle size of from about 10 ?m to about 250 ?m; (ii) selectively applying a binder fluid on at least a portion of the metal powder build material, wherein the binder fluid comprises an aqueous…
Self-priming microfluidic structures
Granted: January 7, 2025
Patent Number:
12186748
An example self-priming microfluidic structure can include a microfluidic channel including a floor and a ceiling. A channel height is defined as a distance between the floor and the ceiling. A channel height step can be in the floor, or ceiling, or both. The channel height downstream of the channel height step can be greater than the channel height upstream of the channel height step. An interior pillar can be positioned in the microfluidic channel extending from the floor to the…
Cutting print media
Granted: December 31, 2024
Patent Number:
12179375
Examples of print media cutting procedures and devices are described. The print media is cut with a first cutting module while the print medium is advanced through the device. The print media is then reversed before being cut with a second cutting module. The first cutting module can be moved laterally at the same time as the print medium is moved in the reverse direction.
Fetching topologies using timestamp-callback map
Granted: December 31, 2024
Patent Number:
12184500
Examples described herein relate to fetching network device topologies using a timestamp-callback map. The timestamp-callback map includes timestamps paired with references to unique callback functions that fetch topologies for network devices when executed. Examples include setting an alarm for each timestamp in the timestamp-callback map. When an alarm generates a notification, examples create worker threads of a network profiler service. Each worker thread executes a respective unique…
Three-dimensional printing
Granted: December 31, 2024
Patent Number:
12179421
In an example three-dimensional printing method, individual layers of a metal-based build material are patterned, based on a 3D object model, with a binding agent to form an intermediate structure. A case-hardened portion of a 3D object is also patterned (based on the object model) by selectively depositing a hardening agent to deliver a predetermined concentration of a hardening element to at least one of the individual layers, wherein the individual layers are maintained below a…
