Abstract: The purpose of the present invention is to provide a rotation speed detection device which achieves improved detection accuracy regardless of a compressor and the operating state of the compressor, and enables the prevention of the breakage of a detection unit. A rotation speed detection device for a compressor, wherein a detection unit for detecting full blades and splitter blades that are blades approaching a compressor casing of the compressor in response to a change in the inductance of a magnetic field is provided. The detection unit is provided in an overlap region in which the full blades and the splitter blades that are all blades can be detected and the exposure pressure is in the range of a gauge pressure of one atmosphere or less.

Abstract: A system includes an operation device and an information storing apparatus, which are connected via a network. The operation device determines, based on information input from the outside of the operation device in response to an operation performed on the operation device, an electronic device among a plurality of electronic devices connected to the system, for causing the electronic device to input electronic data to the information storing apparatus, and sends, to the information storing apparatus, a first request to cause the determined electronic device to input the electronic data to the information storing apparatus. The information storing apparatus sends, to the determined electronic device, a second request based on the first request sent from the operation device, and stores the electronic data that has been sent from the determined electronic device based on the sent second request.

Abstract: Ink is supplied to a print head through a pressure compensation mechanism and a common collection flow path in a case where a predetermined differential pressure or higher between a pressure in a common supply flow path of the print head and a pressure in a common collection flow path of the print head is generated. As a result, liquid refillability for the liquid ejection head is improved while retaining a liquid circulating function in the liquid ejection head so as to stabilize a liquid ejecting state in the liquid ejection head.

Abstract: The liquid ejecting head includes a first individual flow path and a second individual flow path for supplying liquid to a pressure chamber, a first common flow path for supplying liquid to the first individual flow path, and a second common flow path for supplying liquid to the second individual flow path. A first circulation for causing liquid to flow in the order of the first individual flow path, the pressure chamber, and the second individual flow path and a second circulation for causing liquid to flow in the reverse order of the first circulation are switched. A flow path resistance of the first common flow path is designed to be less than a flow path resistance of the second common flow path and a flow path resistance of the first individual flow path is designed to be less than a flow path resistance of the second individual flow path.

Abstract: Provided is a liquid ejecting head including an element substrate including: a common liquid chamber connected to a liquid supply source; a pressure chamber connected to the common liquid chamber and including inside an element to generate energy used for ejecting liquid; a bubble generating chamber connected to the common liquid chamber and including inside a pump to cause a flow of the liquid; and a connection flow path connecting the pressure chamber and the bubble generating chamber, in which the liquid ejecting head includes a first anti-cavitation film over the element to generate the energy and a second anti-cavitation film over the pump, and the first anti-cavitation film and the second anti-cavitation film have different film thicknesses.

Abstract: A liquid ejection head has a plurality of ejection modules having a recording element substrate equipped with a plurality of ejection orifices for ejecting a liquid, a plurality of first flow path members that supports at least one of the ejection modules and a second flow path member provided in common with the first flow path members and supporting the first flow path members. The first flow path members and the second flow path member are equipped with a flow path for supplying a plurality of recording element substrates with a liquid. The first flow path members are joined with the second flow path member via an adhesive layer without being brought into direct contact with the second flow path member.

Abstract: A liquid ejection apparatus includes a supply control section that controls the supply and stop of a liquid to pressure chambers communicating with ejection ports to eject the liquid, and a negative pressure generating section that generates a negative pressure. The liquid ejection apparatus also includes a negative pressure control unit using the negative pressure generated by the negative pressure generating section to adjust the pressure of the liquid flowing through a collection channel. To stop a flow of the liquid, the supply control section stops the supply of the liquid, and then the negative pressure generating section is stopped.

Abstract: In a printing apparatus including a circulation system circulating a liquid, a volatile component included in the liquid evaporates from an ejection opening and thus characteristics of the liquid involving with concentration or viscosity change. The invention provides a printing apparatus that uses a liquid ejection head including an ejection opening ejecting a liquid, a print element generating energy for ejecting a liquid, and a pressure chamber having the print element provided therein, the printing apparatus including: a circulator configured to circulate the liquid so that the liquid passes through the pressure chamber; and a concentration adjustment unit configured to adjust a concentration of a liquid inside a liquid circulation system by discharging the liquid from the inside of the liquid circulation system and replenishing the liquid into the liquid circulation system from the outside of the liquid circulation system in response to the amount of the discharged liquid.

Abstract: A fluorescence image analyzer, analyzing method, and pretreatment evaluation method capable of determining with high accuracy whether a sample is positive or negative are provided. A pretreatment part performs pretreatment including a step of labeling a target site with a fluorescent dye to prepare a sample. A fluorescence image analyzer measures and analyzes the sample. The fluorescent image analyzer includes light sources to irradiate light on the sample, imaging part to capture the fluorescent light given off from the sample irradiated by light, and processing part for processing the fluorescence image captured by the imaging part. The processing part extracts the bright spot of fluorescence generated from the fluorescent dye that labels the target site from the fluorescence image for each of a plurality of cells included in the sample, and generates information used for determining whether the sample is positive or negative based on the bright spots extracted for each of the plurality of cells.

Abstract: A method for manufacturing a catalyst that oxidatively decomposes ethylene, carbon monoxide, formaldehyde, etc., at high efficiency even at low temperatures, wherein discharge of harmful gases such as halogens during the manufacture is reduced. Further, a method for manufacturing a low-temperature oxidation catalyst including: (1) a step for causing a non-halogen-containing noble metal compound to be supported on a carrier; (2) a step for reducing the noble metal compound on the carrier obtained in step (1); (3) a step for causing a halide to be supported on the carrier obtained in step (2); and (4) a step for drying the carrier obtained in step (3) and obtaining a low-temperature oxidation catalyst.

Abstract: A catalyst for oxidizing a substance such as ethylene, carbon monoxide, or formaldehyde at high efficiency even at a low temperature of 100° C. or below, such as room temperature or below. Further, an oxidation catalyst of a low-temperature substance in which a noble metal and a metal halogen salt other than that of a noble metal are supported on a metal oxide carrier.

Abstract: A plurality of pressure chambers are formed in a circulation channel for liquid in order to array ejection ports in a high density in association with the circulation channel. The circulation channel is connected to a penetration supply path and a penetration recovery path that penetrate a substrate.

Abstract: A fluorescence image analyzer, analyzing method, and pretreatment evaluation method capable of determining with high accuracy whether a sample is positive or negative are provided. A pretreatment part 20 performs pretreatment including a step of labeling a target site with a fluorescent dye to prepare a sample 20a. A fluorescence image analyzer 10 measures and analyzes the sample 20a. The fluorescent image analyzer 10 includes light sources 121 to 124 to irradiate light on the sample 20a, imaging part 154 to capture the fluorescent light given off from the sample 20a irradiated by light, and processing part 11 for processing the fluorescence image captured by the imaging part 154.

Abstract: The present invention provides a liquid ejecting module capable of performing stable ejection operation while circulating and supplying fresh ink to the vicinity of ejection ports arranged in high density. To achieve this, a liquid ejecting module includes an element arranged face in which a plurality of ejecting elements are arranged, a circulation flow path including a supply flow path which supplies liquid to a pressure chamber and a collection flow path which collects liquid from the pressure chamber, and a liquid delivery mechanism provided in the circulation flow path for circulating liquid in the pressure chamber. The liquid delivery mechanism is located lower than the element arranged face.

Abstract: A liquid discharge device performs recording by use of a liquid discharge head including discharge ports to discharge a liquid, pressure generation elements to generate energy to be used to discharge the liquid, and pressure chambers communicating with the discharge ports. The liquid discharge device includes a control unit to control a temperature of the liquid discharge head by applying heat with heating elements arranged in divided areas of a region of the liquid discharge head where the discharge ports are arranged. When there is recording data for the discharge port in a certain one of the divided areas, the control unit causes the heating element in the divided area to generate heat, and when there is no recording data for the discharge port in the certain divided area, the control unit keeps the heating element in the certain divided area from generating heat.

Abstract: An operation terminal connected to an information storage apparatus and an output apparatus, comprising a processor that obtains a file from the information storage apparatus; displays, on a monitor, an image of the obtained file and a button for selecting an output device for outputting the file; displays, after the button has been pushed, a two-dimensional code photographing screen; the two-dimensional code photographing screen for photographing a two-dimensional code by a camera; obtains, after the two-dimensional code is photographed by the camera while the two-dimensional code photographing screen is displayed, information that specifies the output device; wherein the information that specifies the output device is obtained from the photographed two-dimensional code; and sends, to the output device through a network, an output request for outputting the file of the image displayed on the monitor, based on the obtained information that specifies the output device.

Abstract: The present invention provides a liquid ejecting module capable of performing stable ejection operation while circulating and supplying fresh ink to the vicinity of ejection ports arranged in high density. To achieve this, a liquid ejecting module includes an element arranged face in which a plurality of ejecting elements are arranged, a circulation flow path including a supply flow path which supplies liquid to a pressure chamber and a collection flow path which collects liquid from the pressure chamber, and a liquid delivery mechanism provided in the circulation flow path for circulating liquid in the pressure chamber. The liquid delivery mechanism is located lower than the element arranged face.

Abstract: In order to keep possible local temperature differences in a liquid ejection head small to allow stable liquid ejection performance to be achieved, temperatures in a plurality of heating areas in a liquid ejection head are discretely controlled using heating elements and temperature detection elements.

Abstract: A liquid ejection apparatus capable of suppressing the amount of liquid to discharge by recovery processing is provided. The liquid ejection apparatus includes: a first path fluidly connected to an ejection port unit and provided with a deformable region; and a second path fluidly connected to the first path via the ejection port unit and provided with a deformable region. Here, a flow of liquid is generated between the first path and the second path by a displacement unit.

Abstract: A liquid ejection apparatus includes an ejection port ejecting a liquid, a pressure chamber storing the liquid, an element generating energy for ejecting the liquid in the pressure chamber, first and second tanks which can store the liquid, a flow passage establishing communication between the first and second tanks through the pressure chamber, a switching unit switching a flowing direction of the liquid in the flow passage between a first direction from the first tank to the second tank and a second direction being opposite to the first direction, and a pressure compensation unit. When a pressure in a downstream side flow passage portion downstream of the pressure chamber has a predetermined pressure or below, the pressure compensation unit compensates for reduction in pressure in the downstream side flow passage portion by supplying the liquid to the downstream side flow passage portion.