Abstract: Methods and apparatus control the ejection of fluid from a nozzle by selectively actuating a fluid actuator that displaces and ejects fluid through an ejection orifice of the nozzle. The methods and apparatus at least partially closing the ejection orifice of the nozzle, while the fluid actuator is inactive, to reduce evaporation of the fluid.

Abstract: An example printing device composing a first printhead and a second printhead is described. In some examples the example printing device comprises a controller. The example printing device is to operate in a first operating mode in which the first printhead is to dispense a first printing substance, the first printing substance to transfer color via a first colorant transfer mechanism, and to operate in a second operating mode in which the second printhead is to dispense a second printing substance, the second printing substance to transfer via a second colorant transfer mechanism different to the first colorant transfer mechanism. An example controller is to cause the example printing device to operate in a selected one of the first and second operating modes.

Abstract: Methods and apparatus to control a heater associated with a printing nozzle are disclosed. A method comprising controlling a heater associated with a printing nozzle to reduce a heat output of the heater based on a determination that the printing nozzle is outside a print area and printing an image on a substrate using other printing nozzles while the heat output of the heater is reduced.

Abstract: Methods and apparatus to selectively control ink evaporation in printhead nozzles are disclosed. An example printhead for use with a printer includes a plurality of nozzles (142) and a plurality of valves (144) positioned adjacent respective ones of the nozzles (142) to selectively control fluid flow through the respective nozzle (142).

Abstract: A print pre-treatment module is provided for printing an ink on a PVC print medium from a printer. The PVC print medium may have exudates on the surface. The pre-treatment module includes an impermeable material in rubbing contact with the PVC print medium, which is supported on a media roller conveying the print medium. Also disclosed herein are a printer incorporating the module and a method for reducing print defects on the PVC print medium.

Abstract: Apparatuses, systems and methods for providing a remote user computing system with secure wireless diagnostic and programming access to an IED operatively coupled with electrical substation equipment are disclosed. An exemplary apparatus comprises a portable computer system comprising a processor and one or more non-transitory memory media storing executable instructions and a cellular modem in operative communication with one another. An antenna external to the portable computer system is adapted to be operatively coupled with the cellular modem and physically positionable independently from the portable computer system. A communication interface adapted to establish a physical electronic communication link between the portable computer system and the IED. The portable computer system, the antenna and the communication interface being provided in a human portable kit.

Abstract: The present disclosure relates particularly but not exclusive to a method for printing in a multipass print mode using a first printhead (PT1) and a second printhead (PT2), the method including printing in a first pass a first image in a first area of a print medium using a first set (ST21) of nozzles (N5-N24) from the first printhead (PT1), printing in a second pass a coating layer over the first image using a second set (ST22) of nozzles (P4-P22) from the second printhead (PT2), and printing in a third pass a second image over the coating layer using a third set (ST23) of nozzles (N1-20) from the first printhead (PT1).

Abstract: Methods and apparatus to selectively control ink evaporation in printhead nozzles are disclosed. An example printhead for use with a printer includes a plurality of nozzles (142) and a plurality of valves (144) positioned adjacent respective ones of the nozzles (142) to selectively control fluid flow through the respective nozzle (142).

Abstract: A printing system may comprise a page wide array printhead a capping station, and a number of modular caps comprising a housing to cover a nozzle array of a printhead and a cap coupler coupled to the housing to couple the cap to the nozzle array in which the modular caps are adapted to be coupled to and removed from the nozzle array of the printhead and stored in the capping station.

Abstract: Methods and apparatus to control a heater associated with a printing nozzle are disclosed. A method comprising controlling a heater associated with a printing nozzle to reduce a heat output of the heater based on a determination that the printing nozzle is outside a print area and printing an image on a substrate using other printing nozzles while the heat output of the heater is reduced.

Abstract: An immiscible fluid distribution system applies immiscible fluid to the nozzles of a printhead to at least partly cap unused nozzles during printing. A printer subassembly may comprise an immiscible fluid distribution system to apply an immiscible fluid to the surface of a printhead nozzle plate. A method of capping a printhead may comprise applying a layer of immiscible fluid to nozzles of a printhead and selectively ejecting a fluid from a first subset of nozzles while not ejecting fluid from a second subset of nozzles that are at least partially capped with the immiscible fluid.

Abstract: A method of preparing a printer cartridge for transport may comprise applying a volume of immiscible fluid to a nozzle bore of a printhead. A printer cartridge may comprise a volume of immiscible fluid deposited into a nozzle bore of a nozzle of the printhead and a layer of immiscible fluid applied over the nozzle bore opening. A printhead die may comprise a volume of immiscible fluid deposited into a nozzle bore of the die and a layer of immiscible fluid applied over the nozzle bore opening.

Abstract: Systems, methods and devices for converting existing ice resurfacers to reuse collected ice and snow for further ice resurfacing. The systems, methods and devices allows for efficient, clean and environmental friendly ice resurfacing. The conversion includes the modification and/or replacement of the snow dump tank, main water tank and the installing of heating and power systems. This invention is designed for present machines and for incorporation into future manufacturing of ice resurfacers. While reducing the requirement for large amounts of fresh water, the surface water being pre-heated by two commercial hot water tanks, it also reduces the amount of labour and costs associated with ice resurfacing.

Abstract: Systems, methods and devices for converting existing ice resurfacers to reuse collected ice and snow for further ice resurfacing. The systems, methods and devices allows for efficient, clean and environmental friendly ice resurfacing. The conversion includes the modification and/or replacement of the snow dump tank, main water tank and the installing of heating and power systems. This invention is designed for present machines and for incorporation into future manufacturing of ice resurfacers. While reducing the requirement for large amounts of fresh water, the surface water being pre-heated by two commercial hot water tanks, it also reduces the amount of labor and costs associated with ice resurfacing.

Abstract: An apparatus is for an elongated architectural molding. The apparatus includes an elongated tier support configured to supportably receive, at least in part, the elongated architectural molding. The elongated tier support includes a first portion integrally extending from the elongated tier support. The elongated tier support also includes a second portion integrally extending from the elongated tier support. The second portion is spaced apart from the first portion. A first stand-off portion integrally extends from the first portion. A second stand-off portion integrally extends from the second portion. The second stand-off portion is spaced apart from the first stand-off portion. This is done in such a way that the elongated architectural molding is positionable between the first stand-off portion and the second stand-off portion.

Abstract: Hard imaging methods and devices are described. In at least some examples, a method includes ejecting a plurality of droplets of a liquid marking agent corresponding to the image to be formed, wherein the droplets of the liquid marking agent individually comprise a plurality of ink particles. The droplets are received upon a transfer member, and after the receiving, at least the ink particles are transferred from the transfer member to media to form a hard version of the image using the media.

Abstract: Accurate, reliable, and robust laser-based autofocus solutions are presented for through-the-lens microscope applications using slides or micro-titer plates. The laser-based autofocus solutions solve many of the problems that have arisen due to multiple reflective surfaces at varying distances relative to a sample of interest. The laser-based autofocus solutions provide a unique solution to resolve the ambiguity caused by these multiple reflective surfaces by using an image-based approach.

Abstract: An environmentally friendly illuminating device produces a brilliant light for signaling, directing traffic, illuminating an area, or drawing attention to an event. The device includes a shock resistant and water proof tube that enables passage of both steady and alternating light patterns from a flexible strip of light emitting diodes (LED). By utilizing a battery powered LED, spontaneous chemical reactions are not necessitated for generating the illumination. For example, toxins, smoke, fire, and excessive heat are not emitted. An opaque, flexible tube bends to facilitate stowage. An LED strip provides about 360 lumens of illumination. A reflector cap partially scatters the light. A distal cap and a proximal cap form water tight seals over the ends of the tube. An outer grip is foam to provide good control. A battery housing is watertight to protect the battery power source. A control portion controls power and alternates between lighting patterns.

Abstract: Systems, methods and devices for converting existing ice resurfacers to reuse collected ice and snow for further ice resurfacing. The systems, methods and devices allows for efficient, clean and environmental friendly ice resurfacing. The conversion includes the modification and/or replacement of the snow dump tank, main water tank and the installing of heating and power systems. This invention is designed for present machines and for incorporation into future manufacturing of ice resurfacers. While reducing the requirement for large amounts of fresh water, the surface water being pre-heated by two commercial hot water tanks, it also reduces the amount of labour and costs associated with ice resurfacing.

Abstract: Systems and methods are described herein for actively managing the knowledge of a group of people, such as an organization's employees. The systems and methods are implemented in one or more software modules that receive a current alarm event and identify historical information associated with a similar previous alarm event. The historical information associated with a similar previous alarm event can be presented to a user to assist the user in resolving the current alarm event. The software modules can collect new information associated with resolving the current alarm event and store the new information in a manner so that it can be identified easily in the future.