Fluid ejection device including fluid output channel
Granted: May 9, 2023
Patent Number:
11642885
A fluid ejection die includes an ejection nozzle and an ejection chamber fluidly connected to the ejection nozzle. The die includes a fluid input hole fluidly connected to the ejection chamber, a fluid output hole, and a fluid output channel fluidly connected to the ejection chamber and the fluid output hole. The die includes a fluid circulation rib positioned between the fluid input hole and the fluid output hole.
System and method for predicting power usage of network components
Granted: May 9, 2023
Patent Number:
11644882
One embodiment provides a system and method for predicting network power usage associated with workloads. During operation, the system configures a simulator to simulate operations of a plurality of network components, which comprises embedding one or more event counters in each simulated network component. A respective event counter is configured to count a number of network-power-related events. The system collects, based on values of the event counters, network-power-related…
Power control system for a modular server enclosure
Granted: May 9, 2023
Patent Number:
11644879
Example implementations relate to a power control system for controlling transmission of power from one or more power supply devices to one or more loads of a modular server enclosure. The power control system includes an electronic fuse and a threshold control unit. The electronic fuse is connected between one or more loads and the one or more power supply devices of the modular server enclosure. The threshold control unit is connected to the electronic fuse and to the one or more power…
Clutch mechanism for a development system
Granted: May 9, 2023
Patent Number:
11644787
A development system for an image forming apparatus includes a photosensitive drum having a drive plate to receive a driving force to rotate the photosensitive drum. The drive plate is provided on an end of the photosensitive drum. The development system also includes a developing roller having a clutch mechanism to dampen a force generated when the clutch mechanism engages the drive plate of the photosensitive drum. The clutch mechanism is provided on an end of the photosensitive drum.
Printer with photodetector for detecting fluorescent additives in toner
Granted: May 9, 2023
Patent Number:
11644785
An example photodetector for detecting fluorescent toner includes a light emitting unit to emit light to a toner image, and a light receiving unit. The light receiving unit is to detect visible light reflected by the toner image, detect that the toner image includes the fluorescent toner based on the detection of the visible light, the visible light generated by the fluorescent toner and having a predetermined wavelength band different from a wavelength band of the emitted light, and…
Storing information in a toner refill kit during toner refill
Granted: May 9, 2023
Patent Number:
11644768
An example operation method of an image forming apparatus includes determining a state of a toner refill operation of injecting toner from a toner reload kit (TRK) into a cartridge in the image forming apparatus, based on completion of injecting toner from the TRK into the cartridge, controlling the TRK to store information indicating a toner refill completion in a memory of the TRK, based on completion of injecting toner from the TRK into the cartridge, updating information of an amount…
Display device
Granted: May 9, 2023
Patent Number:
11644732
A display device includes an electronic paper display and a ground electrode. The electronic paper display is imageable by receiving charges on a charge receiving layer of the electronic paper display. The ground electrode is opposite to the charge receiving layer of the electronic paper display and exposed at an edge of the display device.
Three-dimensional printing compositions
Granted: May 9, 2023
Patent Number:
11643565
Disclosed herein are compositions for three-dimensional printing. In an example, disclosed herein is a composition for three-dimensional printing comprising: (A) a powder build material; (B) a first fusing agent; (C) a second fusing agent different from the first fusing agent; (D) a detailing agent; (E) a cyan ink composition; (F) a yellow ink composition; (G) a magenta ink composition; and (H) a black ink composition.
Printer with vertically extended printing path
Granted: May 9, 2023
Patent Number:
11642897
A printer includes a vertical type main body accommodating a printing portion that prints an image onto a print medium transported along a vertically oriented printing path, including an outlet through which the print medium is discharged. A depth of the main body may be less than a width and a height of the main body. The printer may further include a stand supporting the main body such that the main body is rotatable forward and backward, a discharge guide mounted to the main body to…
Fluid ejection devices with indicators
Granted: May 9, 2023
Patent Number:
11642888
One example of a fluid ejection system includes a plurality of fluid ejection devices, a corresponding plurality of indicators, an operator interface, and a controller. Each indicator is on a corresponding fluid ejection device. The operator interface is to select a fluid ejection device. The controller is to turn on the corresponding indicator for the selected fluid ejection device.
Die for a printhead
Granted: May 9, 2023
Patent Number:
11642884
A die for a printhead is described herein. The die includes a number of fluid feed holes disposed in a line parallel to a longitudinal axis of the die, wherein the fluid feed holes are formed through a substrate of the die. The die includes a number of fluidic actuators, proximate to the fluid feed holes, to eject fluid received from the fluid feed holes. Circuitry on the die operates the fluidic actuators, wherein traces are provided in layers between adjacent fluid feed holes,…
Selectors for memory elements
Granted: May 9, 2023
Patent Number:
11642883
In some examples, a circuit includes a data line, an input line, a first memory element, and a decoder to receive an address and to enable the first memory element for access in response to the address. The selector is responsive to the data line to select the first memory element, where the selector is to select the first memory element responsive to the data line having a first value, and where the data line is to communicate data of a second memory element in response to the second…
Safety zone for a maintenance task
Granted: May 9, 2023
Patent Number:
11642881
Examples relate to a method to print a print job. The method comprise comparing an operational parameter of the print job with a reference operational parameter and determining to perform a maintenance task during the print job based on at least a result of comparing the operational parameter with the reference operational parameter. If the maintenance task is to be performed, the method further comprises determining a safety area on a printable medium and performing a maintenance task…
All-in-one computer
Granted: May 2, 2023
Patent Number:
D985002
White ink
Granted: May 2, 2023
Patent Number:
11639448
The present disclosure provides a white ink comprising an aqueous ink vehicle, a white colorant, and latex particles. The colorant can consist essentially of metal oxide particles present at from 2 wt % to 50 wt %, can have an average particle size from 100 nm to 1000 nm, and can have a high refractive index from 1.8 to 2.8. The latex can be present in the ink at from 2 wt % to 20 wt %, can have a glass transition temperature from 0° C. to 130° C., and can have a low refractive index…
Textile printing
Granted: May 2, 2023
Patent Number:
11639062
Textile printing wherein the printing comprises: acquire, by a controller, a print job comprising an image and a set of print parameters; position a textile in a printing zone; acquire a calibration image of the textile and transferring the calibration image to the controller; determine, by the controller, a set of calibrated print parameters based on the calibration image and the set of print parameters; and print the image on the textile using the set of calibrated print parameters.
Supply containers with alignment components
Granted: May 2, 2023
Patent Number:
11639058
A supply container includes a housing and a pocket on to the housing to receive a chip. The supply container also includes an alignment component on the housing to align the pocket with a chip access device.
Fluidic ejection controllers with selectively removable ejection boards
Granted: May 2, 2023
Patent Number:
11639056
In one example in accordance with the present disclosure, a fluidic ejection controller is described. The fluidic ejection controller includes a firing board to pass electrical control signals for ejecting fluid from a fluidic ejection device. An ejection board of the fluidic ejection controller is electrically coupled to, and selectively removable from, the firing board to pass the electrical control signals to the fluidic ejection device. Electrical pins are disposed on the ejection…
Accuracy improvement and surface finishing using fusing agent and detailing agent
Granted: May 2, 2023
Patent Number:
11639032
Examples of additive manufacturing are described. In one example, a method comprises generating print data to cause application of fusing agent to a first region of a layer of build material of an object undergoing additive manufacturing, the first region corresponding to an inner region of an object undergoing additive manufacturing. The print data causes application of fusing agent and detailing agent to a second region of the layer, the second layer corresponding to a middle region of…
Loading build material for a 3D printer
Granted: May 2, 2023
Patent Number:
11639029
In one example, a system for loading build material into a portable build unit having a platform on which objects are printed and a build material supply container next to the platform. The system includes a build material dispenser, a conveyor to move the build unit and/or the dispenser, and a controller operatively connected to the dispenser and the conveyor. The controller is programmed to, with the build unit and the dispenser in a fill position, cause the dispenser to dispense build…
