Canon Kabushiki Kaisha

Keihin Corporation

Nidec Elesys Corporation

Jun Suzuki

Junichi Kato

Atsutoshi Ando

Satoru Inami

Satoshi Tsuruya

Masaru Shimura

Katsuhiro Sakaizawa

Masahide Kinoshita

Shinichi Tsukida

Bunro Noguchi

Koichi Suwa

Tadashi Onimura

Masahiro Shibata

Takeshi Ogawa

Katsuya Nakano

Yoichiro Maebashi

Yoshinobu Sato

Takeshi Kawamura

Kimitaka Ichinose

Yoshihiko Okamoto

Yudai Fukaya

Shinji Uehara

Koji Nishimori

Hiroyasu Seita

Shogo Hachiro

A power supply apparatus, that can wirelessly supply power to a plurality of power receiving apparatuses, comprises: a plurality of antennae; and a control unit, wherein the control unit carries out control so that information pertaining to sending timings of calibration signals is sent, via the plurality of antennae, to the plurality of power receiving apparatuses; the control unit carries out control so that calibration signals sent from the plurality of power receiving apparatuses are received via the plurality of antennae; and the control unit controls an output of each antenna based on the calibration signals sent from the plurality of power receiving apparatuses so that power is supplied wirelessly to the plurality of power receiving apparatuses from corresponding ones of the plurality of antennae.

Power supply apparatus capable of supplying power to multiple power receiving apparatuses, control method thereof, and storage medium

An image processing apparatus includes a plurality of image processors, and is capable of providing an instruction of any one of a plurality of operation modes including a first recording mode. In the first recording mode, among the plurality of image processors, each image processor other than an image processor in a final stage performs predetermined image processing on image data of a portion that needs to be processed, and outputs image data of a portion other than the portion that needs to be processed to an image processor in a subsequent stage without performing the predetermined image processing thereon. One of the plurality of image processors that is set as a power supply master performs control so as to sequentially bring the plurality of image processors into a power supply state corresponding to the operation mode indicated by the instruction.

Image processing apparatus

A radio frequency electric power conversion mechanism of the present invention includes a circuit board including a fiber reinforced resin board, instead of an expensive ceramic circuit board. The radio frequency electric power conversion mechanism has a combined configuration of a plurality of fiber reinforced resin boards laminated to each other with a conductive foil therebetween, a via hole array made of an electric conductor passing through the boards, a transmission line closely adhered to the surface of a board, and a waveguide having a notch in a part of the waveguide on the aperture side. The radio frequency electric power conversion mechanism further has other structural features.

Radio frequency electric power conversion mechanism

An image pickup apparatus of the present invention comprises an image obtaining part configured to photoelectrically convert a first object image and a second object image formed by light fluxes divided by a pupil divider among light fluxes from an image pickup optical system to generate a first image and a second image, a displaying part configured to display images, and a processing part configured to cause the displaying part to display a superimposed image formed by superimposing the first and second images on each other.

Image pickup apparatus and display control method for the same

To accurately supply idle air without influence of pulsative pressure generated within an intake passage, a lower end surface () of a bottom portion () of an air control valve () is arranged in a contact manner via a closing member () toward a locking piece portion () fixed to an end portion of a shaft portion () of a slider (), an annular gap (S) formed by an inner periphery () of the bottom portion () and an outer periphery () of the shaft portion () is closed by the closing member () arranged in a contact manner on the lower end surface (), and cuts off communication between a space portion (), which is formed between a tube portion () of the air control valve () and the shaft portion (), and a lower chamber () of a valve body guide hole facing to the bottom portion ().

Air bypass apparatus in fuel injection apparatus

An image forming apparatus includes an image bearing member; a developer carrying member, disposed opposed to the image bearing member, for carrying a developer, wherein an electric field is formed between the developer carrying member and the image bearing member during a developing operation using the developer carrying member, and the electric field including an oscillating portion in which the electric field is an oscillating electric field, wherein a supply electric field of the oscillating electric field which is effective to supply the developer to the image bearing member from the developer carrying member is variably controllable in accordance with a peripheral speed of the image bearing member.

Image forming apparatus featuring a variable oscillating electric field formed between a developer carrying member and an image bearing member during a developer operation in accordance with a peripheral speed of the image bearing member

The image forming apparatus includes a rotatable image bearing member, a charging member that is contactably provided to the image bearing member and that charges the image bearing member with a voltage containing an AC component and a DC component; and a control device that makes selection on whether a mode, in which a rotation time of the image bearing member is prolonged and in which a voltage is applied to the charging member in the prolonged rotation time, is performed or not. As a result, the image forming apparatus is provided which performs charging with high stability.

Image forming apparatus with mode having prolonged rotation time of image bearing member at non-image forming time

An image forming apparatus includes a flexible charging member, which forms a nip portion between itself and an image bearing member. The charging member charges the image bearing member and is applied with a voltage when the charging member at least charges the image bearing member for an image formation. The nip portion is provided with an electrically conductive particles developing device for developing an electrostatic image formed on the image bearing member with a developer. The developing device executes a developing operation and, at the same time, executes a collecting operation for collecting a residual developer on the image bearing member. The voltage is a superposed voltage with a direct current voltage and an alternating current voltage having a peak to peak voltage, which is less than a peak to peak voltage of the alternating current voltage applied to the charging member when the charging potential of the image bearing member converges under the condition that the charging member charges the image bearing member without the conductive particles.

Image forming apparatus with superposed direct current and alternating current charging voltage

An image forming apparatus includes an image bearing member, a flexible changing member and a developing device. When a first area to be an image forming area of the image bearing member, is present in a nip portion, a superimposed voltage resulting from a direct current voltage and an alternating voltage having a peak to peak voltage smaller than an alternating voltage applied when a charging potential of the image bearing member is converged is applied to the charging member. When a part of a second area to be a non-image area of the image bearing member exists in the nip portion, a direct current voltage without an alternating voltage is applied to the charging member.

Image forming apparatus featuring application of superimposed DC and AC voltages and DC voltage

An image forming apparatus includes an image bearing member; an electrostatic image forming unit for forming an electrostatic image on said image bearing member, the electrostatic image forming unit including a flexible charge member for electrically charging the image bearing member, the charge member forming a nip between the image bearing member and itself and is supplied with an oscillating voltage, wherein electroconductive particles are provided in the nip; and a developing unit for developing an electrostatic image formed on the image bearing member with a developer, the developing unit being capable of a residual developer on the image bearing member, wherein a frequency f (cycle/sec) of the oscillating voltage and a peripheral speed v (mm/sec) of the image bearing member satisfy &verbar;f/v&verbar;&gE;12 (cycle/mm).

Image forming apparatus

The present invention provides an image forming apparatus that has a plurality of image bearing members for bearing developer images thereon, and a plurality of developer containing portions for containing developers therein and provided correspondingly to respective ones of the plurality of image bearing members, wherein the developer images can be transferred from the plurality of image bearing members to a transferring member moving along the respective transferring positions of the plurality of image bearing members, and of the plurality of developer containing portions, a developer containing portion having greatest developer containing quantity is provided at least one of upstream of the most upstream one of the plurality of image bearing members and downstream of the most downstream one of the plurality of image bearing members, with respect to a moving direction of the transferring member.

A cleaning member for rubbing and removing toner having a shape coefficient SF of 10 to 150 remaining on a member to be cleaned in an electrophotographic apparatus. The cleaning member has an elastic blade, which has a 200 kg/cm or greater value or breaks a tensile strength of 300% elongation and a hardness of (JIS A) 60&deg; to 80&deg;. A blade supporting member causes the elastic blade to abut in a counter direction against the photosensitive member, which moves endlessly to rub and remove toner remaining on the photosensitive member after a transfer process, wherein the elastic blade abuts against a surface of a photosensitive member at an abutment pressure of a 55 gf/cm or greater without an inroad amount of the elastic blade into said photosensitive member exceeding 1.6 mm.

Cleaning member cleaning device and image forming apparatus and process cartridge to which this cleaning device is applied

A cleaning apparatus for use in an image forming apparatus removes toner, including spherical toner particles, from an image bearing member for bearing a toner image for use in an image forming apparatus. The toner to be removed is a one-component toner having a shape coefficient SF of 100 to 120. The apparatus has blade-shaped elastic member rubbing a surface of the image bearing member for removing the toner and is urged against a surface of the image bearing member with a line pressure of 55 to 95 g&middot;f/cm. The elastic blade is formed so that a thickness of a portion, supported by a support member, of the elastic blade is larger than a thickness of a free end of the elastic blade.

Cleaning apparatus and image forming apparatus

A process cartridge detachably mountable to a main assembly of an image forming apparatus includes an image bearing member; and a storing device for storing information which a user inputs using an input device of the main assembly of the image forming apparatus, or an external device connected to the main assembly of the image forming apparatus.

Process cartridge for storing compressed information detachably

An image forming apparatus allowing a user to easily recognize the status thereof and is capable of accurately deciding whether a detachable unit is attached to an apparatus body or not. It includes a unit detachably attachable to the main body of the apparatus. The detachable unit includes an information storaging apparatus, a unit attachment detector for detecting whether the unit is attached to the main body of the apparatus or not, a biasing apparatus for biasing the detachable unit so that an information transmission can be properly made between the main body of the apparatus and the information storaging apparatus. The biasing apparatus is operable when the attachment of the detachable unit is detected by the unit attachment detector and an information transmission detector for detecting whether information transmission is executable between the information storaging apparatus and the main body of the apparatus or not. The information transmission detector starts a detecting operation after the working of the biasing apparatus.

Growing community of inventors

Numazu, Japan

Jun Suzuki