Honda Giken Kogyo Kabushiki Kaisha

Canon Kabushiki Kaisha

Zexel Gmbh

Other

Ngk Insulators, Inc.

Honda Giken Kogyo K.k.

Sony Corporation

Canon Denshi Kabushiki Kaisha

Honda Giken Kabushiki Kaisha

Hiroaki Kato

Yuichi Shimasaki

Akihisa Saito

Takashi Komatsuda

Takuya Aoki

Tetsu Teshirogi

Hideo Furumoto

Takayoshi Nakayama

Toshikazu Oketani

Seiji Matsumoto

Yukio Miyashita

Seiji Hatcho

Hironao Fukuchi

Takehiko Mayama

Hiroaki Muramatsu

Junji Hamana

Kazutomo Sawamura

Yasushi Kato

Shinji Wakui

Atsushi Goto

Yoshio Kawakami

Akeo Sakai

Saichiro Amano

Kazuhiko Sato

Yasuyuki Takanaka

Toshiaki Yamaguchi

Masaki Nitta

Shigeharu Hashimoto

Tadato Ito

Hiroshi Ohno

Yasushi Hirumi

Toshiaki Ichitani

Katsushi Hara

Shunichi Tsuzuki

Hajime Uto

Kazuhiro Ono

Jun Shimoji

Shuichi Adachi

Shuuichi Masuda

Hidekatsu Yashiro

Seiji Haccho

Tsuyoshi Kodama

The present invention provides a printing apparatus which prints while reciprocating a carriage by a motor, comprising a gear member configured to be attached to a rotor of the motor, a belt configured to be attached to the carriage, to include unevenness corresponding to teeth of the gear member, and to be suspended to be engaged with the gear member, a storage unit configured to store data of a signal for suppressing a velocity fluctuation of the carriage when no tooth jumping occurs between the gear member and the belt, a detection unit configured to detect generation of the tooth jumping from the velocity fluctuation of the carriage during movement of the carriage, and a correction unit configured to correct the velocity fluctuation of the carriage by using the stored data of the signal for suppressing when the tooth jumping occurs.

Printing apparatus and printing method

A thermal printer is disclosed. The thermal printer includes a thermal head on which plural heat-generating elements are arrayed; and a platen mounted opposite to the thermal head. The thermal printer uses an ink ribbon and paper held between the thermal head and the platen, and the thermal printer performs printing by causing the heat-generating elements to generate heat such that inks of the ink ribbon are transferred to the paper. The ink ribbon has a base film on which color inks and a transparent laminate ink are successively and repetitively arranged, and a pressure force acting between the thermal head and the platen is made different between when the color inks are transferred and when the laminate ink is transferred.

Thermal printer and method of forming image

An apparatus includes a liquid ejecting head capable of ejecting liquid from a plurality of ejection ports by driving a plurality of ejection energy generation elements corresponding to the plurality of ejection portions. The apparatus includes a wiping mechanism capable of wiping an ejection port face in which a plurality of ejection ports is arranged in the liquid ejecting head. The ink ejection from the plurality of ejection ports is performed in a manner of a plurality of divisions. A time interval from a last wiping to a next wiping is adjusted according to an interval of the ejection energy generating elements corresponding to an adjacent ejection port.

Liquid ejecting apparatus, wiping method of liquid ejecting head, and printing apparatus

A carriage drive control method capable of detecting the acceleration of a carriage at low cost, improving external disturbance suppression of the carriage, and thus improving image quality. This method is applied to a printing apparatus which prints by relatively moving on a printing medium a carriage to which a printhead is mounted. In the printing apparatus, the moving velocity of the carriage is detected, the acceleration of the carriage is detected on the basis of outputs from first and second strain gauges which are respectively attached on the two sides of a fixing portion for fixing the carriage on a belt for transmitting a drive force from a carriage motor to the carriage, the carriage velocity is compensated on the basis of the carriage acceleration detected for the detected moving velocity of the carriage, and driving of the carriage motor is feedback-controlled on the basis of the compensated carriage velocity.

Carriage drive control method and printing apparatus which adopts the method

In order to control an internal pressure of an air spring appropriately without being influenced by a change in supply pressure, an anti-vibration system includes an air spring as an actuator for an anti-vibration table, a pressure control valve for controlling the internal pressure of the air spring, a pressure sensor for detecting the air supply pressure to the pressure control valve, a driving system for actuating the pressure control valve in accordance with a detection signal of the pressure sensor, and a variable gain compensation system for performing variable gain compensation to an input signal to the driving system for the pressure control valve, on the basis of the detection signal of the pressure sensor.

Anti-vibration system for use in exposure apparatus

An exposure apparatus includes a motion control system, the motion control system including a structure, a plurality of actuators to apply forces to the structure, respectively, and a plurality of sensors to sense motion states of the structure, respectively. The apparatus includes a pseudo-random signal generator to generate a plurality of pseudo-random signals and to apply the plurality of pseudo-random signals to the plurality of actuators, the plurality of pseudo-random signals being equal in number to a number of degrees of freedom of the motion control system, a storage unit to store a first plurality of time-series data obtained by the plurality of sensors with a second plurality of time-series data corresponding to the plurality of pseudo-random signals, and a characteristic deriving unit to derive a characteristic of the motion control system based on the first and second plurality of time-series data.

Exposure apparatus anti-vibration apparatus, system identification apparatus and system identification method

A vibration isolator includes a vibration isolation platform, a vibration sensor installed on the vibration isolation platform, and an angle sensor for sensing an inclination angle of the vibration isolation platform. A detection signal from the vibration sensor is corrected based upon an output from the angle sensor, and the corrected detection signal is used in order to suppress vibration of the vibration isolation platform.

Vibration isolator, device manufacturing apparatus and method, semiconductor manufacturing plant and method of maintaining device manufacturing apparatus

An anti-vibration apparatus includes a table, an actuator system which applies a force to the table, a first system which applies to the actuator system a first signal for causing the actuator system to apply the force in proportion to a displacement of the table, and a second system which applies to the actuator system a second signal for causing the actuator system to apply the force based on an acceleration of the table. The first and second signals are generated by the first and second systems, respectively, so that a natural vibration mode of a system including the table and the actuator system is unchanged.

VIBRATION DAMPING APPARATUS, CONTROL METHOD THEREFOR, EXPOSURE APPARATUS HAVING THE VIBRATION DAMPING APPARATUS, MAINTENANCE METHOD THEREFOR, SEMICONDUCTOR DEVICE FABRICATION METHOD, AND SEMICONDUCTOR FABRICATION FACTORY

A failure detecting system of an exhaust purification apparatus includes, a catalyst unit including an electrically heated catalyst and intervened in an engine exhaust path, an air pump supplying a secondary air to the engine exhaust path, a first electric current sensor detecting electric current value for the electrically heated catalyst, and a second electric current sensor detecting electric current value for the air pump. The electrically heated catalyst and air pump are supplied with current upon a cold start of an engine. Presence of failures in the electrically heated catalyst and air pump is discerned on the basis of the electric current value each of the first and second electric current sensors, and the detection of the current value of the first electric current sensor starts prior to the detection of the current value of the second electric current sensor.

Failure detecting system of exhaust purification apparatus

In a heating device for an exhaust gas purification catalytic converter, an insulating coating or an insulating material is provided between a tubular electrode receiving member of a power relay means and an electrode received in this electrode receiving member.

Heating device for an exhaust gas purification catalytic converter

An anti-vibration apparatus is equipped with a plurality of active support legs which support an anti-vibration table and which are able to actively operate to control the motion of the anti-vibration table in a horizontal plane. The apparatus is further equipped with a pressure feedback loop for detecting the internal pressure of an air spring provided in each of the plurality of active support legs and for feeding a signal, which is based on the detected internal pressure of the air spring, back to the control system of the anti-vibration apparatus.

Anti-vibration apparatus and anti-vibration method thereof

A vibration damping apparatus includes a plurality of actuators for removing vibration of a table as an object of vibration damping, a detection device for detecting a vibration status of the table, an acquisition device for acquiring compensation amounts for a plurality of directional elements, from the vibration status detected by the detection device, and an allocation device for allocating an actuator-driving force corresponding to a compensation amount for a predetermined directional element, among the compensation amounts acquired by the acquisition device, to an actuator having a small amount of driving force, allocated based on a compensation amount for another directional element.

Vibration damping apparatus and method

A foreign matter-removing filter is provided upstream of an electrically-heated heater.

Exhaust gas purification device for an internal combustion engine

An electrode structure includes: a metallic electrode; a case for accommodating and holding the electrode, and one end of a lead wire connecting to the electrode; and an insulating member interposed between the electrode and the case in order to ensure insulation between the electrode and the case, in which structure a waterproof member is interposed between the case and the lead wire in order to prevent the incoming of water from between the case and the lead wire, and an electric heater havinging the above electrode structure. An electrode structure of an electric heater, includes: a first electrode; a second electrode of a cylinder shape, having a base portion connected with the first electrode and a top end portion connected with a lead wire; an insulating member having a thermal resistance, pierced by the second electrode; an elastic insulator having a thermal resistance, covering at least a portion of the second electrode; a case for accommodating and holding the second electrode, having a predetermined length L; and a rubber sealing member attached to the top end of the case. The electrode structure is preferably used by connecting to a conductive substance accommodated in a metallic housing, to apply electricity to the conductive substance. The conductive substance is preferably a metallic honeycomb structure. The given length L mentioned above is preferably L.gtoreq.40 mm.

Electrode structure and electric heater comprising the same

An active anti-vibration apparatus includes an anti-vibration mount, which has an actuator and a vibration sensor, for supporting an anti-vibration table, and a control unit for driving the actuator on the basis of output from the vibration sensor. The control unit separates the output from the vibration sensor into high frequency components and low frequency components, applies proper compensation calculation for the respective separated frequency components, and drives the actuator.

Active anti-vibration apparatus

Growing community of inventors

Wako, Japan

Hiroaki Kato