Fujikin Inc.

Kyocera Document Solutions Inc.

Kyocera Mita Corporation

Kyocera Corporation

Shinya Ogawa

Kouji Nishino

Kaoru Hirata

Katsuyuki Sugita

Nobukazu Ikeda

Keisuke Ideguchi

Masaaki Nagase

Naofumi Yasumoto

Takahiro Imai

Hiroyuki Ito

Yoshitaka Matsuki

Daisaku Nagano

Masahiko Takimoto

Mamoru Takahashi

Takuya Tsuji

Masaki Sone

Masayuki Yamashirodani

Katsuhisa Kamomae

Kazunori Gotou

A pressure control device includes a pressure control valve, a flow resistance provided downstream of the pressure control valve, a first pressure sensor for measuring a gas pressure between the pressure control valve and the flow resistance, a second pressure sensor for measuring a gas pressure downstream of the flow resistance, and a calculation control circuit connected to the first pressure sensor and the second pressure sensor, wherein the pressure control device controls the gas pressure downstream of the flow resistance by adjusting an opening degree of the pressure control valve based on an output of the second pressure sensor regardless of an output of the first pressure sensor control, and calculates the flow rate of the gas downstream of the flow resistance, based on the outputs of the first and the second pressure sensors.

Pressure control device

A flow rate control device () includes a control valve () having a valve element and a piezoelectric element for moving the valve element, and an arithmetic processing circuit () for controlling an operation of the control valve, wherein the arithmetic processing circuit is configured to receive an external command signal SE corresponding to a target flow rate when opening the control valve from a closed state so that a gas flows at the target flow rate, and to generate an internal command signal Eoutput to a driving circuit for determining a voltage applied to the piezoelectric element based on the external command signal, the internal command signal is a signal that rises with time from zero and converges to a value of the external command signal, and is generated such that a slope at the time of initial rise and a slope immediately before convergence are smaller than a slope therebetween.

Flow rate control device and flow rate control method wherein an internal command signal is generated by a combination of first order lag process and ramp process

The flow rate control deviceincludes a control valve, a restriction partprovided downstream of the control valve, an upstream pressure sensorfor measuring a pressure Pbetween the control valveand the restriction part, a differential pressure sensorfor measuring a differential pressure ΔP between the upstream and the downstream of the restriction part, and an arithmetic control circuitconnected to the control valve, the upstream pressure sensor, and the differential pressure sensor

Flow rate control device

A flow rate control deviceincludes a control valveprovided in a flow path, a flow rate measurement unitfor measuring fluid flow rate controlled by the control valve, and a controller. The controlleris configured so as to control the opening/closing operation of the control valveto match the measurement integral flow rate based on the signal outputted from the flow rate measurement unit (Vn+Vd) to the target integral flow rate Vs.

Flow rate control device and flow rate control method

A pressure-type flow rate control device includes a restriction part; a control valve provided upstream of the restriction part; an upstream pressure sensor for detecting pressure between the restriction part and the control valve; and an arithmetic processing circuit connected to the control valve and the upstream pressor sensor. The device is configured to perform flow rate control by controlling the control valve according to an output of the upstream pressure sensor. The arithmetic processing circuit performs an operation of closing the control valve in order to reduce a flow rate of a fluid flowing through the restriction part, and performs an operation of closing the control valve by feedback control in which a target value is an exponential function more gradual than the pressure drop characteristic data when a gas flows out of the restriction part.

Pressure-type flow control device and flow control method

A flow rate control method performed using a flow rate control devicecomprising a first control valveprovided in a flow path, a second control valveprovided downstream of the first control valve, and a pressure sensorfor measuring fluid pressure downstream of the first control valve, the method comprising steps of: (a) closing the opening of the first control valve from a state in which, while controlling the opening of the first control valve based on an output of the pressure sensor so as to be the first flow rate, maintaining the opening of the second control valve in an open state, and flowing a fluid at the first flow rate; and (b) based on the output of the pressure sensor, the pressure remaining downstream of the first control valve is controlled by adjusting the opening of the second control valve, and flowing the fluid at the second flow rate downstream of the second control valve.

Flow rate control method and flow rate control device

A fluid control device includes a main body block including a first flow passage, and a second flow passage, a first and second fluid control units installed on an installation surface of the main body block. The first and second flow passages include a first portion extending along a first direction and a second flow passage portion orthogonal to the first direction. The second portion is formed of a hole extending from a side surface of the main body block and a sealing member.

Fluid control device

A flow rate control method for raising a flow rate performed in a flow control device having a first control valve, a second control valve downstream of the first control valve, and a pressure sensor for measuring a pressure between the first and the second control valves, comprises a step (a) of determining a pressure remaining downstream of the first control valve in a state of closing the second control valve, and a step (b) of controlling the pressure remaining downstream of the first control valve by adjusting the opening degree of the second control valve based on the output of the pressure sensor to flow the fluid downstream the second control valve at the first flow rate.

An image forming apparatus includes an image reader, a controller, and an output section. The image reader reads a document at a highest resolution. The controller generates, from first image data obtained by reading of the document performed at the highest resolution, second image data having a resolution that is lower than the highest resolution, and sets a resolution of output image data based on a result of comparison between a first recognition result, which is a recognition result of character recognition processing performed on the first image data, and a second recognition result, which is a recognition result of character recognition processing performed on the second image data.

Image forming apparatus

A mobile electronic device comprises a display, an operation detector, and a processor. The operation detector is capable of detecting a first touch operation and a second touch operation on the display performed by a part of a human body. The processor is configured to execute a control process responsive to the first touch operation and the second touch operation. The part of the human body performing the second touch operation is located in a position farther from the display than a position of the part of the human body performing the first touch operation. The processor is configured to execute the control process while handling the first touch operation and the second touch operation performed continuously as a single touch operation, depending on a time lag between the first touch operation and the second touch operation.

Mobile electronic device, method of controlling mobile electronic device, and recording medium

An image forming apparatus includes a generation section, an image forming section, and a size determining section. The generation section divides a first image to generate a plurality of second images. The image forming section forms the second images on a plurality of sheets, respectively. The size determining section determines a size of a margin area allocated to at least one of the sheets. The image forming section forms the second images on the sheets, respectively, so that the second images are placed in a designated area on a combined sheet that is to be formed by combining the sheets. The size determining section determines the size of the margin area based on sizes of the designated area and the first image.

Image forming apparatus for determining margin area size of sheet

An image forming apparatus includes a first connection portion, a second connection portion, a communication processing portion, a switch processing portion, and a connection determination processing portion. To the switch processing portion, the first connection portion and the second connection portion are connected in parallel. The switch processing portion breaks a communication path between the second connection portion and the switch processing portion when the facsimile communication process is executed by the communication processing portion. The connection determination processing portion, when a predetermined determination start condition is satisfied, causes the switch processing portion to break the communication path, and then when a predetermined line voltage is applied to the switch processing portion, determines that a connection between the first connection portion and the public switched telephone network is normal.

A multifunctional machine includes a facsimile communication portion and a control portion that makes the facsimile communication portion transfer facsimile data to a reception-side facsimile machine. When the facsimile communication portion starts to perform communication for data transfer with the reception-side facsimile machine, the facsimile communication portion receives, from the reception-side facsimile machine, a reception allowance/rejection signal in conformity with a facsimile communication protocol. When the control portion indicates the reception allowance of the transfer of the reception allowance/rejection signal, the facsimile communication portion is made to transfer the facsimile data to the reception-side facsimile machine.

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Osaka, Japan

Shinya Ogawa