Abstract: A connector including a body, an adjacent pair of first terminals, a second terminal next to one of the first terminals, a third terminal next to the other first terminal, and a fourth terminal. The body holds the terminals at least partially and includes a first recess, a second recess, and a first separating portion therebetween. The first and third terminals each have a portion exposed through the first recess. The fourth terminal has a portion exposed through the second recess. The second terminal includes an exposed portion and an unexposed portion. The unexposed portion includes an area on one side in the first direction of a part in the second direction of the second terminal and is covered with the body. The exposed portion includes an area on the other side in the first direction of the part of the second terminal and is exposed through the first recess.

Abstract: A digital printing apparatus including a sheet supply device, printing cylinder, inkjet nozzle portion, sheet delivery device, and conveyance devices. The sheet supply device supplies sheets one by one at a predetermined period. The printing cylinder includes at least one gripper device that grips and holds the sheet, and conveys the sheet while one edge of the sheet supplied from the sheet supply device is held by the plurality of gripper devices. The inkjet nozzle portion discharges ink droplets onto the sheet. The conveyance devices include a plurality of gripper devices including one reversing gripper device that grips and holds the other edge of the sheet, and conveys the sheet printed on one surface, which is received from the printing cylinder in a double-sided printing mode. The sheet is turned by reversing the obverse/reverse surface of the sheet by the reversing gripper device in the process of conveyance.

Abstract: A connector including one and the other first terminals, a second terminal, and a third terminal that are partially held in a body and spaced from each other along a first direction. The middle portion of each first terminal extends obliquely and has parallel edges. The second middle portion of the second terminal extends obliquely and has parallel edges being non-parallel to the edges of the first middle portions. The third terminal extends between the one first terminal and the second terminal and includes a third middle portion extending obliquely. Of the non-parallel edges of the third middle portion, one edge next to the second middle portion is substantially parallel to the edges of the second middle portion, and the other edge next to the first middle portion of the one first terminal is substantially parallel to the edges of the first middle portion of the one first terminal.

Abstract: A flexible wiring board including a base, at least one cover, a signal conductor, and a ground conductor. The base is an elongate flexible dielectric including first and second lengthwise portions. The first portion has opposed faces in the thickness direction. The cover, dielectric being lower in permittivity than the base, is fixedly cover at least one of the faces. The signal and ground conductors at the base extend in parallel with and in spaced relation to each other. The conductors each include a first portion covered by the cover and a second portion not covered by the cover. A part of the second portion of the ground conductor situated in a second region of the second portion of the base is smaller in area than a part of the first portion of the ground conductor situated in a first region of the first portion of the base, the first region being equal in area to the second region.

Abstract: A multilayer printed wiring board including insulating layers, ground layers thereon, and at least one via hole. The ground layers include a wiring layer and a first impedance adjustment layer. The wiring layer includes a solid conductor and a conductive line. The conductive line is disposed inside an opening and a passage of the solid conductor. The first impedance adjustment layer includes a solid conductor having an opening. The via hole is located inside the openings of the wiring layer and the first impedance adjustment layer and is connected to the conductive line. A first distance is smaller than a second distance, where the first distance is a distance from an outline of the opening of the wiring layer to the via hole, and the second distance is a distance from an outline of the opening of the first impedance adjustment layer to the via hole.

Abstract: A printing cylinder includes a plurality of suction chambers and a masking sheet configured to cover the suction chambers. The masking sheet includes a non-sucking portion which protrudes from the boundary of the suction chambers toward the inside of the suction chambers. A number of through holes are formed in a portion except for the non-sucking portion in the masking sheet. The non-sucking portion exists between the sheet to be printed and the boundary of the suction chamber to be used and the suction chamber not to be used. This can prevent an ink mist from adhering to the printing cylinder.

Abstract: A digital printing apparatus including a sheet supply device, printing cylinder, inkjet nozzle portion, sheet delivery device, and conveyance devices. The sheet supply device supplies sheets one by one at a predetermined period. The printing cylinder includes at least one gripper device that grips and holds the sheet, and conveys the sheet while one edge of the sheet supplied from the sheet supply device is held by the plurality of gripper devices. The inkjet nozzle portion discharges ink droplets onto the sheet. The conveyance devices include a plurality of gripper devices including one reversing gripper device that grips and holds the other edge of the sheet, and conveys the sheet printed on one surface, which is received from the printing cylinder in a double-sided printing mode. The sheet is turned by reversing the obverse/reverse surface of the sheet by the reversing gripper device in the process of conveyance.

Abstract: A digital printing apparatus including a sheet supply device, printing cylinder, inkjet nozzle portion, sheet delivery device, and conveyance devices. The sheet supply device supplies sheets one by one at a predetermined period. The printing cylinder includes at least one gripper device that grips and holds the sheet, and conveys the sheet while one edge of the sheet supplied from the sheet supply device is held by the plurality of gripper devices. The inkjet nozzle portion discharges ink droplets onto the sheet. The conveyance devices include a plurality of gripper devices including one reversing gripper device that grips and holds the other edge of the sheet, and conveys the sheet printed on one surface, which is received from the printing cylinder in a double-sided printing mode. The sheet is turned by reversing the obverse/reverse surface of the sheet by the reversing gripper device in the process of conveyance.

Abstract: A sheet conveyance device including first to third conveyance units, independent driving unit, device driving unit, and control unit. The first conveyance unit includes a first holder that holds one edge of a sheet, and conveys the sheet. The second conveyance unit includes a second holder that holds one edge of the sheet, and conveys the sheet. The third conveyance unit is supported to be swingable between a reception position at which it receives the sheet from the first conveyance unit, and a transfer position at which it transfers the sheet to the second conveyance unit. The third conveyance unit includes a third holder that holds the other edge of the sheet conveyed by the first conveyance unit, and conveys the sheet held by the third holder. The independent driving unit drives the first conveyance unit. The control unit adjusts the speed at which the sheet is conveyed.

Abstract: A connector comprising: a first insulator substrate; a first contact configured by arranging a plurality of contact pins including contact pins for differential signals as an array, on a top surface of the first insulator substrate; a second insulator substrate; a second contact configured by arranging a plurality of contact pins including contact pins for differential signals as an array in the same direction as the array direction of the first contact, on an undersurface of the second insulator substrate; and a metal plate sandwiched by an undersurface of the first insulator substrate and a top surface of the second insulator substrate; and one or more holes are formed in an area on the metal plate, the area being sandwiched by the contact pins for differential signals of the first and second contacts facing each other.

Abstract: A connector including a pair of first terminals, a second terminal, a third terminal, and a body. The first terminals are differential signal terminals in spaced juxtaposition to each other. The second terminal is located on one side relative to and in spaced relation to one of the first terminals. The third terminal is located on the other side relative to and in spaced relation to the other first terminal. The body holds the terminals at least partially. The body includes a first portion between the first terminals, a second portion between the one first terminal and the second terminal, and a third portion between the other first terminal and the third terminal. The second portion has a second void, which extends from the one first terminal to the second terminal. The third portion has a third void, which extends from the other first terminal to the third terminal.

Abstract: A connector comprising: a first insulator substrate; a first contact configured by arranging a plurality of contact pins including contact pins for differential signals as an array, on a top surface of the first insulator substrate; a second insulator substrate; a second contact configured by arranging a plurality of contact pins including contact pins for differential signals as an array in the same direction as the array direction of the first contact, on an undersurface of the second insulator substrate; and a metal plate sandwiched by an undersurface of the first insulator substrate and a top surface of the second insulator substrate; and one or more holes are formed in an area on the metal plate, the area being sandwiched by the contact pins for differential signals of the first and second contacts facing each other.

Abstract: A contact including a first connectable part, a second connectable part, and a middle part. The first connectable part includes a tube or plate. The plate has a cross section generally of U-shape, V-shape, C-shape, or L-shape. The tube or the plate includes a base and a first wall. The first wall extends from a first end portion of the base. The middle part includes a base and a first sloped portion. The base of the middle part is contiguously connected between the base of the first connectable part and the second connectable part. The first sloped portion is contiguously connected between the first wall and a first end portion of the second connectable part. The first sloped portion extends from a first end portion of the base of the middle part such that the first sloped portion slopes down toward the first end portion of the second connectable part.

Abstract: A sheet conveyance device including first to third conveyance units, independent driving unit, device driving unit, and control unit. The first conveyance unit includes a first holder that holds one edge of a sheet, and conveys the sheet. The second conveyance unit includes a second holder that holds one edge of the sheet, and conveys the sheet. The third conveyance unit is supported to be swingable between a reception position at which it receives the sheet from the first conveyance unit, and a transfer position at which it transfers the sheet to the second conveyance unit. The third conveyance unit includes a third holder that holds the other edge of the sheet conveyed by the first conveyance unit, and conveys the sheet held by the third holder. The independent driving unit drives the first conveyance unit. The control unit adjusts the speed at which the sheet is conveyed.

Abstract: A connector including a body of insulating material and a fourth, a fifth, and a plurality of sixth signal terminals provided in the body. The fifth and sixth signal terminals are arranged in a line along a first direction in the body, at a height position that is different from that of the fourth signal terminal. At least two of the sixth signal terminals are adjacent to each other in the first direction. The fourth signal terminal is located between the two sixth signal terminals in the first direction. The sixth signal terminals is a low-frequency signal terminal configured to transmit a signal of a frequency being about one tenth or lower of a frequency of a signal transmitted by the fourth signal terminal.

Abstract: The invention provides a method of adjusting an impedance of a contact including a first portion and a second portion having a higher impedance than the first portion. In this method, the second portion of the contact is provided with an impedance adjusting portion having electrically conductivity to increase a dimension in a thickness direction of the second portion.

Abstract: A male connector includes a male body and a male conductor. The male body includes an outer face including a first curved surface and a housing space on an inner side of the first curved surface of the male body. The male conductor is provided inside the housing space and includes a functional part. The functional part is a male communication antenna, a male power-transmission antenna, or a male power-reception antenna. A female connector includes a female body and a female conductor. The female body includes a connection hole, an inner wall surface of the connection hole, the inner wall surface including a first curved surface, a housing space on an outer side of the first curved surface of the connection hole of the female body. The female conductor is provided inside the housing space and includes a functional part. The functional part is a female communication antenna, a female power-reception antenna, or a female power-transmission antenna.

Abstract: A connector including a body of insulating material and a fourth, a fifth, and a plurality of sixth signal terminals provided in the body. The fifth and sixth signal terminals are arranged in a line along a first direction in the body, at a height position that is different from that of the fourth signal terminal. At least two of the sixth signal terminals are adjacent to each other in the first direction. The fourth signal terminal is located between the two sixth signal terminals in the first direction. The sixth signal terminals is a low-frequency signal terminal configured to transmit a signal of a frequency being about one tenth or lower of a frequency of a signal transmitted by the fourth signal terminal.

Abstract: A connector including a body, an adjacent pair of first terminals, a second terminal next to one of the first terminals, a third terminal next to the other first terminal, and a fourth terminal. The body holds the terminals at least partially and includes a first recess, a second recess, and a first separating portion therebetween. The first and third terminals each have a portion exposed through the first recess. The fourth terminal has a portion exposed through the second recess. The second terminal includes an exposed portion and an unexposed portion. The unexposed portion includes an area on one side in the first direction of a part in the second direction of the second terminal and is covered with the body. The exposed portion includes an area on the other side in the first direction of the part of the second terminal and is exposed through the first recess.

Abstract: A connector including one and the other first terminals, a second terminal, and a third terminal that are partially held in a body and spaced from each other along a first direction. The middle portion of each first terminal extends obliquely and has parallel edges. The second middle portion of the second terminal extends obliquely and has parallel edges being non-parallel to the edges of the first middle portions. The third terminal extends between the one first terminal and the second terminal and includes a third middle portion extending obliquely. Of the non-parallel edges of the third middle portion, one edge next to the second middle portion is substantially parallel to the edges of the second middle portion, and the other edge next to the first middle portion of the one first terminal is substantially parallel to the edges of the first middle portion of the one first terminal.