Abstract: There is provided a developing unit, including: a body defining a developing chamber and a developer accommodating chamber, and a developer delivery member. The body includes a sliding portion, a restoring portion and a colliding portion at the developer accommodating chamber. The developer delivery member includes an elastic member configured to be made a sliding contact with the sliding portion while being curved elastically, configured to be restored elastically at the restoring portion, and configured to collide with the colliding portion. The developer delivery member is configured so that, the elastic member which has been elastically restored at the restoring portion is collided with the colliding portion to generate an air flow and to deliver the developer in the developer accommodating chamber toward the connection port.

Abstract: An endoscope system includes an endoscope having an insertion part capable of being be inserted into the interior of a living body; an extracorporeal device configured to be installed outside the living body, a first extracorporeal signal connection part having a second electrode electrically connected to the extracorporeal device, and a first scope-side signal connection part that has a first electrode electrically connected to the endoscope, is engaged with the first extracorporeal signal connection part, and has a tubular shape. The insertion part includes an observation part capable of observing a distal end side thereof. When engaged with the first scope-side signal connection part, the first extracorporeal signal connection part is at least partially disposed in an inner cylindrical space of the first scope-side signal connection part, and the second electrode and the first electrode are subjected to capacitive coupling.

Abstract: An image forming apparatus including: an intermediate transfer member configured to transfer the developer images on the plurality of photosensitive members; a secondary transfer member configured to transfer the developer images transferred onto the intermediate transfer member onto a recording sheet; a plurality of primary holding rollers provided to each of the plurality of photosensitive members, respectively; a collecting unit configured to collect developer remaining on the intermediate transfer member; and a control device configured to control biases applied to the secondary transfer member and the plurality of primary holding rollers, wherein, after printing control terminates, the control device is configured to perform cleaning control in which biases having opposite polarities to biases during the printing control are applied to the plurality of primary holding rollers and the secondary transfer member.

Abstract: A developer container includes: a container body that has an opening at an upper part and is configured to accommodate therein developer; a conveyance member that is provided in the container body, and includes a rotation member having a rotary shaft and an elastic part, which is supported by the rotation member, is configured to be elastically deformed and is configured to rotate to convey the developer from the opening to an outside of the container body; and a driving member that is connected to one end portion of the rotary shaft and is configured to rotate the rotary shaft. The container body includes a first support part to which the other end portion of the rotary shaft is loosely fitted and a second support part that supports the one end portion of the rotary shaft.

Abstract: A developer container for an image forming apparatus includes a housing configured to store developer, a developer conveying member disposed inside the housing and configured to rotate to convey the developer stored in the housing. The developer conveying member includes a rotary shaft, a rotary base member and a sheet-like main body. The main body has a base end portion fixed to the rotary base member and a free end portion configured to be pressed into contact with an inner wall of the housing. The rotary base member includes an urging member configured to urge the main body from an upstream side toward a downstream side in a direction of rotation thereof.

Abstract: A ring oscillator circuit causing a pulse signal to circulate around a circle to which an even number of inverting circuits are connected in a ring, wherein one of the inverting circuits is a first starting inverting circuit, which drives a first pulse signal according to a control signal, another of the inverting circuits is a second starting inverting circuit, which drives a second pulse signal based on a leading edge of the first pulse signal, still another is a third starting inverting circuit, which drives a third pulse signal based on the leading edge of the first pulse signal after the second pulse signal is driven, and the first to third starting inverting circuits are arranged within the circle of the inverting circuits in order of the third, second, and first pulse signals in traveling directions of the pulse signals.

Abstract: A developing apparatus is provided, including a developing unit including a developing roller; a developer accommodating unit; a partition wall partitioning the developing unit and the developer accommodating unit; a supply port which makes communication between the developing unit and the developer accommodating unit; a transport member configured so that the developer accommodated in the developer accommodating unit is supplied to the developing unit via the supply port in accordance with rotation; a return port configured so that the developer contained in the developing unit is permitted to fall into the developer accommodating unit; an opening/closing member configured to be movable between an open position for opening the return port and a closed position for closing the return port; and a driving mechanism configured so that the opening/closing member is moved to the closed position and the open position.

Abstract: There is provided a developer transport member including a rotatable member, a main body configured to transport the developer by being rotated in accordance with rotation of the rotatable member, and a metal spring configured to bias the main body.

Abstract: A circuit substrate which is capable of decreasing the possibility that the amount of solder in the overall mounting land is uneven and reducing formation of a solder void even when a mounting terminal has a large soldering area. An electronic component having the mounting terminal is mounted on the circuit substrate. A mounting land is connected to the mounting terminal of the electronic component by soldering, and the mounting land has a protruding portion of an insulating material formed so as to protrude from an outer side of the mounting land toward an inner side of the mounting land, and the protruding portion does not divide the mounting land into a plurality of areas.

Abstract: A signal transmission device includes a transmission unit, a first connection unit, a second connection unit, and a reception unit. The transmission unit sends a transmission signal. The first connection unit includes a first electrode electrically connected to the transmission unit. The second connection unit includes a second electrode that engages with the first connection unit, and, when engaged with the first connection unit, is statically coupled with the first electrode. The reception unit is electrically connected to the second electrode and receives the transmission signal.

Abstract: In a developer cartridge, a base portion may be fixed to a surface of one side of a frame, and extend from one end thereof to another end thereof in a second direction orthogonal to the first direction. A first portion may extend from one end thereof to another end thereof in the first direction. The one end of the first portion is connected to the other end of the base portion. A second portion may extend from one end thereof to another end thereof in a direction opposite to the second direction. The one end of the second portion is connected to the other end of the first portion. An electrode for the cartridge is deformable such that a distance between the base portion and the second portion can be decreased.

Abstract: An image pickup portion picks up an image of a suspected substance and produces a video signal. Optical fibers transmit the video signal output from the image pickup portion. A video signal processing portion processes the video signals transmitted by the optical fibers and then outputs the processed video signals to a monitor. A trouble detection portion detects trouble in a transmission state of the optical fibers. The video signal processing portion outputs to the monitor only the video signal transmitted by the optical fiber in which the trouble detection portion has not detected trouble.

Abstract: An image forming device capable of providing precise positional relationship between an exposure unit and a photosensitive body. The exposure unit having an exposure head elongated in a longitudinal direction and having light emitting sections arrayed in the longitudinal direction. The light elements emit light in an optical axis direction. A frame supports the photosensitive body. A positioning protrusion protrudes in the optical axis direction from one of the frame and the exposure unit. A remaining one of the frame and the exposure unit is formed with a positioning part engageable with the positioning protrusion. A biasing unit provides a biasing force that ensures engagement between the positioning protrusion and the positioning part.

Abstract: This endoscope system includes: a distal end portion which is inserted inside a specimen and which has an imaging section that creates video signals, a video signal processing section that processes the video signals, a video transmitting section that transmits the processed video signals, a timing signal creation section that creates a timing signal needed to drive the imaging section, the video signal processing section, or the video transmitting section, and a base clock receiving section that receives as an optical signal a base clock which is the basis of the timing signal and then converts the received optical signal into an electrical signal; and an external apparatus having an insertion portion which guides the distal end portion into the specimen, a monitor that displays the video signals, and a video processor that processes the video signals from the distal end portion and outputs them to the monitor.

Abstract: In a developer cartridge, the base portion is fixed to an outer surface of the one side of the frame, and extends from one end thereof to another end thereof in a second direction orthogonal to the first direction. The first extending portion extends from one end thereof to another end thereof in the first direction. The one end of the first extending portion is connected to the another end of the base portion. The second extending portion extends from one end thereof to another end thereof in a direction opposite to the second direction. The one end of the second extending portion is connected to the another end of the first extending portion. The input portion is connected to the another end of the second extending portion and inputs electrical power from an external device. The electrode is deformable such that a distance between the base portion and the second extending portion becomes smaller.

Abstract: An image forming device capable of providing precise positional relationship between an exposure unit and a photosensitive body. The exposure unit having an exposure head elongated in a longitudinal direction and having light emitting sections arrayed in the longitudinal direction. The light elements emit light in an optical axis direction. A frame supports the photosensitive body. A positioning protrusion protrudes in the optical axis direction from one of the frame and the exposure unit. A remaining one of the frame and the exposure unit is formed with a positioning part engageable with the positioning protrusion. A biasing unit provides a biasing force that ensures engagement between the positioning protrusion and the positioning part.

Abstract: An image forming apparatus includes: a body; a holding member movable between a housing position and a drawn-out position; a plurality of cartridges configured to be attached to the holding member along a attachment path, so that the plurality of cartridges are placed at image forming positions and are arranged in a movement direction of the holding member; and a plurality of restricting members disposed correspondingly with the cartridges. In a state where the holding member is drawn out to the drawn-out position, the plurality of restricting members are located at unrestricted positions that are retracted from the attachment path. In an attachment process in which the holding member is moved from the drawn-out position to the housing position, the plurality of restricting members advance from the unrestricted positions to restricting positions on the attachment path to restrict the cartridges from being detached from the image forming positions.

Abstract: A developing cartridge having a first side plate and a second side plate spaced opposite from the first side plate, a developer carrying member rotatably supported between the side plates, a developer supplying member rotatably supported between the side plates, a input member to which driving force is input rotatably supported by the first side plate, a primary developing gear to which the driving force is transferred provided on the developer carrying member at the first side plate, a secondary developing gear to which the driving force is transferred provided on the developer carrying member at the second side plate, and a supply gear to which the driving force is transferred provided on the developer supplying member at the second side plate, wherein the input member and the supply gear are arranged so that their projections in the direction of the rotation axis of the developer supplying member overlap.

Abstract: An image forming apparatus is provided, which is configured to form an image with developer of a plurality of colors on a sheet-type recording medium by a non-magnetic single component developing method. The image forming apparatus includes a first color developing unit which is configured to perform developing of a first color by a jumping developing method, and a second color developing unit which is configured to perform developing of the second color by a contact developing method.

Abstract: An image forming apparatus includes plural photosensitive drums; a belt which opposes the photosensitive drums; and a holder which collectively holds the photosensitive drums, and is movable between an outer position and an inner position. The holder includes a first handle unit which is provided at an upstream side, a second handle unit which is provided separately from the first handle unit at a downstream side, and an interfered portion which interferes with an apparatus main body. The second handle unit is movable between a protrusion position where the second handle unit protrudes from a top portion of the photosensitive drums and a retreat position where the second handle unit retreats therebelow. The interfered portion interferes with the apparatus main body to cause the second handle unit to be displaced from the protrusion position to the retreat position when the holder is mounted in the apparatus main body.