Abstract: There is provided an endoscope which can perform non-contact electric power supply and non-contact signal transmission and of which assembly, repair, and maintenance can be easily performed. A power receiving unit, an image signal transmission unit, and an endoscope side signal transmission and reception unit are disposed in the space (hollow structure) of a first connector of an endoscope. The first connector of the endoscope includes a first connector case and a second connector case disposed in order from a side of the second connector, and a division line between the first and second connector cases includes an inclined portion that is inclined with respect to an insertion direction of the first and second connectors.

Abstract: There are provided a connector of which manufacture and maintenance are easy and an endoscope system. A connector is a connector for an endoscope that is connected to a light source device. The connector includes a light guide part that guides illumination light, a wireless communication unit that wirelessly communicates with the light source device, a wireless power receiving unit that wirelessly receives power supplied from the light source device, and a housing that is formed in a flat shape in which a horizontal length is longer than a vertical length in a connection posture where the connector is connected to the light source device. The light guide part, the wireless communication unit, and the wireless power receiving unit are provided on a front surface of the housing, which faces the light source device, so as to be lined up in a horizontal direction.

Abstract: The invention provides an endoscope connector capable of stably performing image communication, an endoscope including the endoscope connector and endoscope system. An endoscope connector is provided in an endoscope having an imaging unit at a distal end of an insertion portion, connected with an endoscope processor device, and provided with an image signal transmitting unit transmitting an image signal with respect to the endoscope processor device via optical communication. The image signal transmitting unit is arranged in an image signal transmitting connector connected with a processor device connector. The image signal transmitting connector includes a glass member provided at the tip end through which the image signal passes and a guide member formed on a circumference of the glass member. The guide member has grooves thereon radially extending from the glass member.

Abstract: There is provided a connector for an endoscope that is easy to grip and is easily connected to a light source device. The connector includes: a light guide part; a wireless communication unit; a wireless power receiving unit; a housing section which houses the wireless communication unit and the wireless power receiving unit, and in which the light guide part protrudes from a front surface thereof, an upper surface thereof is a curved surface, and a lower surface thereof is a flat surface; a grip section that has a shape in which a cross-sectional area decreases toward a rear portion from a front portion thereof, and includes a concave finger placing portion which is provided on the upper surface; and a finger locking portion that is provided between the housing section and the grip section and locks a forefinger on a lower surface of the connector.

Abstract: There is provided a connector for an endoscope that is easy to grip and is easily connected to a light source device. The connector includes: a light guide part, a wireless communication unit, a wireless power receiving unit, a housing section which houses the wireless communication unit and the wireless power receiving unit and in which the light guide part protrudes from a front surface thereof positioned close to a light source device in a connection posture where the connector is connected to the light source device, and a grip section that includes a concave finger placing portion on which a thumb is placed and which is provided on an upper surface thereof on a central axis of the light guide part in a case in which the grip section is viewed from an upper surface of the connector positioned on a vertically upper side in the connection posture.

Abstract: There are provided an endoscope system capable of suppressing an increase in the size of a first connector of an endoscope and of performing non-contact electric power supply and non-contact signal transmission, an endoscope, and an endoscope connector. A power receiving unit and a power supply unit are disposed opposite to each other along an insertion direction of first and second connectors, and an image signal transmission unit and an image signal receiving unit are disposed opposite to each other along the insertion direction of the first and second connectors. A first circuit board is disposed on the opposite side to the power supply unit with respect to the power receiving unit so as to partially overlap the power receiving unit in the insertion direction. The power receiving unit and the image signal transmission unit are disposed so as not to overlap each other in the insertion direction.

Abstract: There are provided an endoscope system capable of suppressing an increase in the size of a first connector of an endoscope and of performing non-contact electric power supply and non-contact signal transmission, an endoscope, and an endoscope connector. A power receiving unit and a power supply unit are disposed opposite to each other along an insertion direction of first and second connectors, and an image signal transmission unit and an image signal receiving unit are disposed opposite to each other along the insertion direction of the first and second connectors. A first circuit board is disposed on the opposite side to the power supply unit with respect to the power receiving unit so as to partially overlap the power receiving unit in the insertion direction. The power receiving unit and the image signal transmission unit are disposed so as not to overlap each other in the insertion direction.

Abstract: There are provided an endoscope system capable of suppressing an increase in the size of a first connector of an endoscope and of performing non-contact electric power supply and non-contact signal transmission, an endoscope, and an endoscope connector. A power receiving unit and a power supply unit are disposed opposite to each other along an insertion direction of first and second connectors, and an image signal transmission unit and an image signal receiving unit are disposed opposite to each other along the insertion direction of the first and second connectors. A first circuit board is disposed on the opposite side to the power supply unit with respect to the power receiving unit so as to partially overlap the power receiving unit in the insertion direction. The power receiving unit and the image signal transmission unit are disposed so as not to overlap each other in the insertion direction.

Abstract: An image forming apparatus has an image carrier that carries a toner image; a transfer member that is opposed to the image carrier, a transfer voltage being applied to the transfer member so that the toner image is transferred from the image carrier to a print medium passing between the transfer member and the image carrier; a first voltage application device that applies the transfer voltage to the transfer member; a separation member to which a separation voltage is applied so that the print medium is separated from the image carrier; a second voltage application device that applies the separation voltage to the separation member; a sensing device that senses an image density of the toner image; and a control section that controls a magnitude of the separation voltage based upon the image density of the toner image.

Abstract: The invention provides an endoscope connector capable of stably performing image communication, an endoscope including the endoscope connector and endoscope system. An endoscope connector is provided in an endoscope having an imaging unit at a distal end of an insertion portion, connected with an endoscope processor device, and provided with an image signal transmitting unit transmitting an image signal with respect to the endoscope processor device via optical communication. The image signal transmitting unit is arranged in an image signal transmitting connector connected with a processor device connector. The image signal transmitting connector includes a glass member provided at the tip end through which the image signal passes and a guide member formed on a circumference of the glass member. The guide member has grooves thereon radially extending from the glass member.

Abstract: There are provided a connector of which manufacture and maintenance are easy and an endoscope system. A connector is a connector for an endoscope that is connected to a light source device. The connector includes a light guide part that guides illumination light, a wireless communication unit that wirelessly communicates with the light source device, a wireless power receiving unit that wirelessly receives power supplied from the light source device, and a housing that is formed in a flat shape in which a horizontal length is longer than a vertical length in a connection posture where the connector is connected to the light source device. The light guide part, the wireless communication unit, and the wireless power receiving unit are provided on a front surface of the housing, which faces the light source device, so as to be lined up in a horizontal direction.

Abstract: There is provided a connector for an endoscope that is easy to grip and is easily connected to a light source device. The connector includes: a light guide part; a wireless communication unit; a wireless power receiving unit; a housing section which houses the wireless communication unit and the wireless power receiving unit, and in which the light guide part protrudes from a front surface thereof, an upper surface thereof is a curved surface, and a lower surface thereof is a flat surface; a grip section that has a shape in which a cross-sectional area decreases toward a rear portion from a front portion thereof, and includes a concave finger placing portion which is provided on the upper surface ; and a finger locking portion that is provided between the housing section and the grip section and locks a forefinger on a lower surface of the connector.

Abstract: There is provided a connector for an endoscope that is easy to grip and is easily connected to a light source device. The connector includes: a light guide part, a wireless communication unit, a wireless power receiving unit, a housing section which houses the wireless communication unit and the wireless power receiving unit and in which the light guide part protrudes from a front surface thereof positioned close to a light source device in a connection posture where the connector is connected to the light source device, and a grip section that includes a concave finger placing portion on which a thumb is placed and which is provided on an upper surface thereof on a central axis of the light guide part in a case in which the grip section is viewed from an upper surface of the connector positioned on a vertically upper side in the connection posture.

Abstract: There is provided an endoscope which can perform non-contact electric power supply and non-contact signal transmission and of which assembly, repair, and maintenance can be easily performed. A power receiving unit, an image signal transmission unit, and an endoscope side signal transmission and reception unit are disposed in the space (hollow structure) of a first connector of an endoscope. The first connector of the endoscope includes a first connector case and a second connector case disposed in order from a side of the second connector, and a division line between the first and second connector cases includes an inclined portion that is inclined with respect to an insertion direction of the first and second connectors.

Abstract: There are provided an endoscope system capable of suppressing an increase in the size of a first connector of an endoscope and of performing non-contact electric power supply and non-contact signal transmission, an endoscope, and an endoscope connector. A power receiving unit and a power supply unit are disposed opposite to each other along an insertion direction of first and second connectors, and an image signal transmission unit and an image signal receiving unit are disposed opposite to each other along the insertion direction of the first and second connectors. A first circuit board is disposed on the opposite side to the power supply unit with respect to the power receiving unit so as to partially overlap the power receiving unit in the insertion direction. The power receiving unit and the image signal transmission unit are disposed so as not to overlap each other in the insertion direction.

Abstract: An image forming apparatus has an image carrier that carries a toner image; a transfer member that is opposed to the image carrier, a transfer voltage being applied to the transfer member so that the toner image is transferred from the image carrier to a print medium passing between the transfer member and the image carrier; a first voltage application device that applies the transfer voltage to the transfer member; a separation member to which a separation voltage is applied so that the print medium is separated from the image carrier; a second voltage application device that applies the separation voltage to the separation member; a sensing device that senses an image density of the toner image; and a control section that controls a magnitude of the separation voltage based upon the image density of the toner image.

Abstract: An image forming apparatus includes an image carrier configured to carry a toner image. A transfer unit is configured to transfer the toner image on the image carrier onto a recording sheet. A fixing unit is configured to fix the toner image transferred at the transfer unit onto the recording sheet. Through a conveyance path, the recording sheet is conveyed from the transfer unit to the fixing unit. A conveyance guide member is disposed in the conveyance path on an image formation surface side of the recording sheet. A fan is configured to send air from the transfer unit to the conveyance path toward a gap defined between the conveyance guide member and the transfer unit so as to form a flow of air in the conveyance path from an upstream side to a downstream side in a conveyance direction of the recording sheet.

Abstract: An image forming apparatus having: an image support that supports a toner image; a transfer member adapted to sandwich with the transfer member and the image support; a voltage application unit that applies a transfer bias voltage to the transfer member; a current detecting unit that detects transfer current flowing from the voltage application unit to the transfer material after transfer processing on the transfer material starts; and a control unit that sets an upper limit of transfer current on the basis of a value of the transfer current detected by the current detecting unit, and thereafter further acquires a transfer current value from the current detecting unit to control a transfer bias voltage generated by the voltage application unit, such that the transfer current value during transfer does not exceed the upper limit.

Abstract: An image forming apparatus includes an image carrier configured to carry a toner image. A transfer unit is configured to transfer the toner image on the image carrier onto a recording sheet. A fixing unit is configured to fix the toner image transferred at the transfer unit onto the recording sheet. Through a conveyance path, the recording sheet is conveyed from the transfer unit to the fixing unit. A conveyance guide member is disposed in the conveyance path on an image formation surface side of the recording sheet. A fan is configured to send air from the transfer unit to the conveyance path toward a gap defined between the conveyance guide member and the transfer unit so as to form a flow of air in the conveyance path from an upstream side to a downstream side in a conveyance direction of the recording sheet.

Abstract: An image forming apparatus having: a toner image carrier; a transfer member; a transfer voltage applying device which applies a bias voltage to the transfer member; a voltage controller which performs constant voltage control on the transfer voltage applying device; a transfer contribution current detecting device; an antistatic member for removing static electricity from the record medium after transfer of a toner image; and an antistatic voltage applying device which applies an AC voltage to the antistatic member. The transfer contribution current detecting device measures current values during a current detection time, which corresponds to an integral multiple of a period of the AC voltage applied to the antistatic member, and detects a transfer contribution current value from the measured values, and the voltage controller controls the bias voltage applied to the transfer member based on the transfer contribution current value.