Receiver Motor Power Source Voltage Change Patents (Class 358/421)
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Patent number: 8843547Abstract: A server apparatus 120, each time a process request is received from a client apparatus 110, stores the process request for a given interval and if the status of the server apparatus 120 at the time when the process request is received is standby, switches the status to a state of receiving a request. The server apparatus 120 also measures the elapsed time since the status was switched to the state of receiving a request and when the elapsed time since the status was switched to the state of receiving a request, reaches a given period, executes a process that corresponds to a process request stored in a temporary storing unit.Type: GrantFiled: February 23, 2012Date of Patent: September 23, 2014Assignees: Citizen Holdings Co., Ltd., Citizen Systems Japan Co., Ltd.Inventor: Hiroki Tanzawa
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Patent number: 8705059Abstract: Disclosed is an image processing apparatus that can implement a job by effectively employing the charged electric power, generated and stored by the locally-equipped power generator, and can cope with such a job whose urgency level is specifically high. The apparatus includes a job implementing section to implement a job in regard to image data; an electric generator section; an electrical accumulator section; and a controlling section to change a job implementation mode between a first job implementation mode, in which the job is implemented by employing the electrical accumulator section after the electrical accumulator section is sufficiently charged by an electric power generated by the electric generator section, and a second job implementation mode, in which the job is instantaneously implemented by employing an external electric power source, when an amount of electric power charge, stored in the electrical accumulator section, is in short supply for implementing the job.Type: GrantFiled: July 21, 2011Date of Patent: April 22, 2014Assignee: Konica Minolta Business Technologies, Inc.Inventors: Takamichi Sekido, Takahiro Kitayama, Yasuaki Sugimoto
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Patent number: 8599412Abstract: A printing system has a printer device including a communication control portion and a print engine carrying out a print processing, and an information processing device connected to the printer device as external equipment via a USB interface, the printer device being connected to external equipment by the communication function of the communication control portion via a USB interface, and inputting the electric power of the print engine by a print request from the external equipment to perform the print processing in a printer standby state in which the electric power of the print engine is reduced while maintaining the communication function of the communication control portion.Type: GrantFiled: January 21, 2011Date of Patent: December 3, 2013Assignee: Sony CorporationInventors: Toshio Narushima, Tetsuya Mitani, Ryusuke Furuhashi
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Patent number: 8488184Abstract: According to the present invention, there is disclosed an image forming apparatus comprising a constitution driven/controlled independently for each recording head. The apparatus rewrites image data or parameters or changes a driving voltage at a desired timing, and realizes a uniform or appropriate density of an image formed by control of an ink spout amount based on a temperature detection signal of the recording head detected by a temperature detection unit disposed in each recording head. The apparatus is capable of remarkably narrowing a mutual conveying interval among a plurality of conveyed recording mediums.Type: GrantFiled: March 15, 2005Date of Patent: July 16, 2013Assignee: Riso Kagaku CorporationInventors: Toshinao Aruga, Keiichirou Tawara, Naoki Ishii
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Patent number: 8294910Abstract: An image scanner operates in a normal mode in which an image scanning process is executable; and a power saving mode in which less electric power is consumed than in the normal mode. The image scanner includes: a CPU for switching the image scanner between the normal mode and the power saving mode; an original size sensor circuit; and an FPGA connected to the CPU and the original size sensor circuit. In the normal mode, the CPU configures, in the FPGA, a normal-mode circuit needed for the image scanning process. When the image scanner transfers from the normal mode to the power saving mode, the CPU configures, in the FPGA, a power-saving-mode circuit for communicating with the original size sensor circuit, and stops the original size sensor circuit from operating. The power-saving-mode circuit is smaller in circuit size than the normal-mode circuit.Type: GrantFiled: November 12, 2008Date of Patent: October 23, 2012Assignee: Riso Kagaku CorporationInventor: Masato Hirai
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Patent number: 8228512Abstract: An image forming apparatus is disclosed that forms an image based on a control signal from an image processing controlling unit that processes input image information into image data. The apparatus includes a carriage that moves in a main scanning direction in accordance with the control signal; a conveyance unit that conveys a recording medium in a sub-scanning direction; an output detection unit that detects motor outputs of the carriage at any plural points when the carriage moves at a constant speed; and a jamming determination unit that compares an average value of the motor outputs of the carriage between the plural points with a predetermined tolerance to determine a conveyance failure.Type: GrantFiled: May 12, 2008Date of Patent: July 24, 2012Assignee: Ricoh Company, Ltd.Inventors: Yoshimitsu Ogura, Tetsuyoshi Nakata, Shigeru Yoshigai, Toshihiro Yamashiro
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Patent number: 7971083Abstract: An output system having an output device that performs output based on output data so that the output device performs the output after having acquired authentication. In the system, an operating state controlling unit outputs a power-save-cancel command for causing a power-saving state to be changed into an active state to a power-save switching unit after a device having an output data storing unit acquires the output data, and a transition-to-power-save command for causing the state to be changed from the active state to the power-saving state is outputted to the power-save switching unit when the output process of the output data is completed by an output process completion detecting unit.Type: GrantFiled: May 30, 2008Date of Patent: June 28, 2011Assignee: Seiko Epson CorporationInventors: Mikio Aoki, Yusuke Takahashi
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Patent number: 7889380Abstract: When the time period is night, processing advances to step S13 to set the initialization speed of a line feed motor to the first speed (v1), and to step S15 to execute initialization operation of the line feed motor at the first speed (v1). When the time period is morning or daytime, the processing advances to step S12 to detect a cover open/closed state. When the cover is open, the processing advances to step S13 to set the initialization speed of the line feed motor to the first speed (v1). When the cover is closed, the processing advances to step S14 to set the initialization speed of the line feed motor to the second speed (v2) which is higher than the first speed (v1). The processing advances to step S15 to execute initialization operation of the line feed motor at the second speed (v2).Type: GrantFiled: August 13, 2003Date of Patent: February 15, 2011Assignee: Canon Kabushiki KaishaInventors: Tetsushi Kohno, Masaya Kikuta, Norio Shimura, Takeaki Nakano, Hirokazu Kameda, Masaaki Endo, Shigehi Abe, Manabu Kuchiki, Masanori Echigo, Munetaka Yamaguchi
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Patent number: 7602534Abstract: A CPU and an image memory are provided in a printing apparatus. An interface circuit device for inputting/outputting signals representing image data is interposed between the CPU and the image memory. The interface circuit device constitutes of a plurality of SSTL circuits. One of two adjoining pixels in image data is changed into a non-inverted pixel, and the other is changed into an inverted pixel. In the SSTL circuits, to which inputted is a signal representing the one pixel, an input signal is inputted so as not to invert an input signal. In the SSTL circuits, to which inputted is a signal representing the other pixel as an inverted element, an input signal is inputted to the inverted element so as to invert an input signal. This suppresses an increase in cost and an increase in the size of a device, while reducing the current in impedance matching.Type: GrantFiled: August 1, 2006Date of Patent: October 13, 2009Assignee: Dainippon Screen Mfg. Co., Ltd.Inventor: Keiichi Tanii
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Patent number: 7536129Abstract: A driving apparatus of a multi-function machine includes a scanner unit scanning data recorded on a sheet of document and a document transport part to transport the sheet of document. A printer unit prints data on a sheet of paper for an output and includes a carrier including a print head with an ink jet nozzle mounted thereon to carry out the printing operation by moving the print head. The driving apparatus includes a driving motor, a scanner driving part driving the scanner unit, a printer driving part driving the printer unit, and a power switching part disposed with the driving motor, the scanner driving part, and the printer driving part. The power switching part selectively transmits a power of the driving motor to at least one of the scanner driving part and the printer driving part.Type: GrantFiled: July 20, 2007Date of Patent: May 19, 2009Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-hyun Lee, Dong-gyoo Lee
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Patent number: 7456987Abstract: In a digital image forming apparatus, desired ones of different data stored in a hard disk are selected and given serial numbers in the order of selection. The data selected are linked and then output in any desired order without regard to the order in which they were written to the hard disk. The linked data are dealt with as a single job and printed on papers, OHP (Over Head Projector) films or similar recording media at a time. Further, the recording media may be stapled, punched or otherwise finished.Type: GrantFiled: September 29, 2003Date of Patent: November 25, 2008Assignee: Ricoh Company, Ltd.Inventor: Hiroshi Morikawa
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Patent number: 7406611Abstract: An output system including an output data storage section storing output data, an output data saving section saving the output data to the storage section, an authentication information acquiring section acquiring authentication information, a usability determining section determining usability of the output data depending on acquired authentication information, a power control section controlling power to the network device, an output data transmitting section sending, to the network device, usable output data, and a power-save switchover section switching between an operating status and a power-save status. The power control section forwarding, to the power-save switchover section, a power-save cancel command for transition into the operating status after the output data is determined usable and before the transmitting section sends the output data.Type: GrantFiled: December 8, 2005Date of Patent: July 29, 2008Assignee: Seiko Epson CorporationInventors: Yusuke Takahashi, Mikio Aoki
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Patent number: 7398405Abstract: An output system having an output device that performs output based on output data so that the output device performs the output after having acquired authentication. In the system, an operating state controlling unit outputs a power-save-cancel command for causing a power-saving state to be changed into an active state to a power-save switching unit after a device having an output data storing unit acquires the output data, and a transition-to-power-save command for causing the state to be changed from the active state to the power-saving state is outputted to the power-save switching unit when the output process of the output data is completed by an output process completion detecting unit.Type: GrantFiled: December 8, 2005Date of Patent: July 8, 2008Assignee: Seiko Epson CorporationInventors: Mikio Aoki, Yusuke Takahashi
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Patent number: 7306216Abstract: A driving apparatus of a multi-function machine includes a scanner unit scanning data recorded on a sheet of document and a document transport part to transport the sheet of document. A printer unit prints data on a sheet of paper for an output and includes a carrier including a print head with an ink jet nozzle mounted thereon to carry out the printing operation by moving the print head. The driving apparatus includes a driving motor, a scanner driving part driving the scanner unit, a printer driving part driving the printer unit, and a power switching part disposed with the driving motor, the scanner driving part, and the printer driving part. The power switching part selectively transmits a power of the driving motor to at least one of the scanner driving part and the printer driving part.Type: GrantFiled: November 19, 2003Date of Patent: December 11, 2007Assignee: Samsung Electronics Co., Ltd.Inventors: Yong-hyun Lee, Dong-gyoo Lee
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Patent number: 7292377Abstract: A power control circuit (120) is driven by electric power supplied from a controller (200) as an external device via a cable (150), and controls opening/closure of a switch (104) in accordance with instructions from the controller (200). A DC power supply (105) converts an AC voltage supplied via the switch 104 into a DC voltage and provides it to individual units such as a reader (140).Type: GrantFiled: June 14, 2001Date of Patent: November 6, 2007Assignee: Canon Kabushiki KaishaInventor: Noriyoshi Chizawa
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Patent number: 6956678Abstract: A control system having device units removably attachable to a control device arranged to optimize the allocation and distribution of electric power to the device units and also displays of varied kinds. For this purpose, each device unit of the system includes a communication circuit arranged to transmit information of electric power consumption and an operating state of the device unit detachably connected to the control device, The control device, includes a communication circuit arranged to receive the information on the device unit from the device unit, and a control circuit arranged to compare the information of electric power consumption and the operating state received by the communication circuit with information of the amount of electric power which can be supplied to the device unit and to send the control signal to the device unit for partly stopping the function of the device unit according to the result of comparison.Type: GrantFiled: September 27, 2001Date of Patent: October 18, 2005Assignee: Canon Kabushiki KaishaInventors: Gaku Watanabe, Kenichi Kondo, Nobuo Fukushima, Masayoshi Sekine, Koichi Sono, Motohiro Ishikawa, Yuji Koide
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Patent number: 6583894Abstract: A power supply device and power supply method that may be used with an electronic apparatus, such as a facsimile machine. In the device and method, a communication device is placed in a sleep mode while a copy process is conducted. During the sleep mode, power is not supplied to the circuits of the communication device that are necessary for transmission with an external transmission line. Thus, a load current loaded to a DC voltage of +5V can be efficiently reduced. As a result, the energy quantity consumed in a regulator of the power supply device may be reduced. Accordingly, heating of the regulator can be restrained and useless energy consumption may be prevented.Type: GrantFiled: September 8, 1999Date of Patent: June 24, 2003Assignee: Brother Kogyo Kabushiki KaishaInventor: Yukichi Sawaki
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Patent number: 6031633Abstract: An original image reading apparatus comprises an exposure optical system including a scanner optical system which can perform go and return operations, a scanner driving motor which drives said scanner optical system, velocity detecting means for detecting a moving velocity of said scanner optical system and position detecting means for detecting the position of said scanner optical system. In the apparatus, return control is performed which is control of returning said scanner optical system after an original image reading scan has been finished. A target velocity is calculated from a residual distance from a current position of said scanner optical system to a target reference position. Target acceleration is used as feedforward. Velocity control is performed so that detected velocity follows the target velocity.Type: GrantFiled: July 14, 1997Date of Patent: February 29, 2000Assignee: Ricoh Company, Ltd.Inventors: Toshiyuki Andoh, Mikio Kamoshita, Minoru Takahashi, Tomiko Takahashi
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Patent number: 5844394Abstract: The stepping motor controller of the present invention includes: a stepping motor including a rotor and an excitation coil; a drive section for supplying multiple-stage drive current to the excitation coil in response to an input command value, thereby enabling a micro step drive; a control section for controlling the stepping motor by varying the command value to be provided for the drive section; and a position detection control section for generating a detection signal in accordance with a rotation position of the rotor.Type: GrantFiled: September 17, 1997Date of Patent: December 1, 1998Assignee: Matsushita Electric Industrial Co., Ltd.Inventors: Yoshihiro Mushika, Tohru Kawabata, Yoshio Umeda
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Patent number: 5523858Abstract: A facsimile apparatus designed for reduced power consumption, a smaller number of component parts, smaller size, lighter weight and lower cost includes an original reading section having a contact-type line image sensor and a first biasing roller driven so as to be rotated in a state in which the contact-type line image sensor is biased, a recording section arranged in the vicinity of the original reading section and having a line thermal head and a second biasing roller driven so as to be rotated in a state in which the line thermal head is biased, a driving mechanism in which a reversible motor is used as a drive source, a rocking mechanism for driving solely the first biasing roller when the motor is rotatively driven in one direction and driving both the first and second biasing rollers when the motor is rotatively driven in the other direction, and a power transmission mechanism in which the rocking mechanism is arranged in a power transmission system for driving the first and second biasing rollers.Type: GrantFiled: November 4, 1993Date of Patent: June 4, 1996Assignee: Canon Kabushiki KaishaInventors: Masakatsu Yamada, Minoru Yokoyama, Hideyuki Terashima
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Patent number: 5491794Abstract: In a television receiver, a microprocessor controls a horizontal deflection circuit which is coupled to run mode power supply to define a standby operating mode and a run operating mode. The microprocessor has a power-up reset input terminal which initializes operation upon application of AC mains power. The run mode power supply is coupled to at least one load which is subject to overcurrent or overvoltage faults. A fault detection circuit detects fault conditions in the run mode power supply loads such as overvoltage or overcurrent and anomalous vertical deflection current. Upon fault detection the fault detection circuit triggers a power up reset circuit which applies a momentary reset pulse to the power-up reset input of the microprocessor. Upon receipt of the reset pulse, the microprocessor controls the horizontal deflection circuit to place the run mode power supply in the standby operating mode.Type: GrantFiled: January 23, 1995Date of Patent: February 13, 1996Assignee: Thomson Consumer Electronics, S.A.Inventor: Chun H. Wu
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Patent number: 5239393Abstract: An image processing system has a reading device for reading an image of an original line by line, which repeats the reading operation at a predetermined cycle. A moving device moves an image reading position of the reading device in accordance with a driving signal. A driving device supplies to the moving device the driving signal for moving the image reading position of the reading device by a pitch line during a time period of the reading operation of a line. A computer generates a signal for instructing resumption of image reading by the reading device after interruption of the image reading. The driving device initiates supply of the driving signal to the moving device before the reading operation, upon reception of the image reading resumption signal generated from the computer.Type: GrantFiled: September 16, 1992Date of Patent: August 24, 1993Assignee: Canon Kabushiki KaishaInventor: Yukitoshi Takeuchi
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Patent number: 5062006Abstract: The present invention relates to a facsimile system comprising a reader for reading an original sheet, a recorder for recording an image on a recording sheet, a stepping motor for feeding at least one of the sheets, a drive means for generating a signal by which the stepping motor is driven repeatedly with predetermined excitation modes, and a discrimination means for discriminating an excited phase of the stepping motor. The power down signal is generated when the discrimination means discriminates the fact that the excited phase of the stepping motor is a second phase.Type: GrantFiled: May 15, 1989Date of Patent: October 29, 1991Assignee: Canon Kabushiki KaishaInventor: Shigeo Miura