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Patent
Sumitomo Electric Industries, Autonetworks Technologies Ltd. and Sumitomo Wiring Systems Ltd. | Date: 2016-12-22

An aluminum (Al) alloy wire, which is an extra fine wire having a wire diameter of 0.5 mm or less, contains, in mass %, Mg at 0.03% to 1.5%, Si at 0.02% to 2.0%, at least one element selected from Cu, Fe, Cr, Mn and Zr at a total of 0.1% to 1.0% and the balance being Al and impurities, and has an electrical conductivity of 40% IACS or more, a tensile strength of 150 MPa or more, and an elongation of 5% or more. By producing the extra fine wire from an Al alloy of a specific composition containing Zr, Mn and other specific elements, though the extra fine wire is extra fine, it has a fine structure with a maximum grain size of 50 m or less and is superior in elongation.


Patent
AutoNetworks Technologies Ltd., Sumitomo Wiring Systems Ltd. and Sumitomo Electric Industries | Date: 2015-06-22

In the vehicle communication system provided with the in-vehicle device for transmitting and receiving signals using the plurality of antennas, which are provided in different positions in the vehicle, and the portable device for transmitting and receiving the signals, the in-vehicle device: stores statistical values derived by measuring in advance received signal strengths of signals transmitted from a part of the plurality of antennas in associated with information identifying antennas of transmission sources, for each of the inside and the outside of a vehicle cabin of measured positions detects an antenna having a failure; calculates, for inside and outside the vehicle cabin, the statistical distance between the measured received signal strength and the statistical values corresponding to the selected antennas; makes a comparison between the results of the calculation; and determines whether the portable device is inside or outside the vehicle cabin.


Patent
AutoNetworks Technologies Ltd., Sumitomo Wiring Systems Ltd. and Sumitomo Electric Industries | Date: 2015-04-28

A coil assembly includes a coil unit in which a coil obtained by winding a winding wire is disposed around a magnetic core, a coil case that accommodates the coil unit, and a potting material with which an inside of the coil case is filled, and the coil case has an elastic fixing portion that is attachable to a resin member to which the coil case is to be fixed. The above-described configuration makes it possible to provide a coil assembly that is unlikely to crack and generate abnormal noises.


Patent
AutoNetworks Technologies Ltd., Sumitomo Wiring Systems Ltd. and Sumitomo Electric Industries | Date: 2015-04-03

A wiring module (20) includes connecting members (21) for electrically connecting electrode terminals (12A, 12B) of adjacent power storage elements (11), an insulating protector (30) for accommodating the connecting members (21) and an insulating cover (50) for covering the insulating protector (30). The insulating cover (50) is configured by arranging a plurality of division covers (51A to 51C). At least one of the division covers (51B, 51C) is formed with an overlapping portion (55) to be overlapped with an adjacent one of the division covers (51A, 51B).


Patent
AutoNetworks Technologies Ltd., Sumitomo Wiring Systems Ltd. and Sumitomo Electric Industries | Date: 2015-03-23

An aim is to provide a terminal-equipped circuit board that has a novel configuration that is simple and can prevent a vehicle from catching fire after submersion. A terminal-equipped circuit board includes: a circuit board; and a plurality of terminals that are provided upright on the circuit board. The plurality of terminals include a positive terminal that is connected to a power supply line and a negative terminal that is connected to a ground line. At least one of the positive terminal and the negative terminal is enclosed by an impervious insulating tube member that is provided therearound. The positive terminal and the negative terminal are located adjacent to each other.


Patent
AutoNetworks Technologies Ltd., Sumitomo Wiring Systems Ltd. and Sumitomo Electric Industries | Date: 2015-05-18

A shield connector (10) includes a housing (20) with a spring accommodating portion (25) open on a facing surface (24), a fixing plate (50) to be fixed to the housing (20) and mounted on a case wall (71), and springs (60) to be arranged inside the spring accommodating portion (25). Each spring (60) includes a first support (63) and a second support (64) to be supported on the housing (20) and a resilient deformation portion (61) convexly curved toward the facing surface (24) and having a convex tip serving as a contact (62) projecting out from an opening of the housing (20) and to be brought into contact with the device-side terminal (73). The resilient deformation portion (61) includes slits (65) extending from a side connected to one of the first and second supports (63, 64) toward an opposite side across the contact portion (62).


Patent
AutoNetworks Technologies Ltd., Sumitomo Wiring Systems Ltd. and Sumitomo Electric Industries | Date: 2015-04-21

Provided is a circuit assembly that includes a circuit board that has an opening, a plurality of busbars that are laid on one surface side of the circuit board, a coil that has a main portion 16 and a plurality of lead terminals, the lead terminals being connected to the plurality of busbars that are exposed through the opening, and a heatsink that is laid, via an adhesive agent, on surfaces of the plurality of busbars that are opposite to the circuit board. Cut-out portions for evacuating the adhesive agent are formed at edges of the plurality of busbars that are opposite to each other in the opening.


Patent
Autonetworks Technologies Ltd., Sumitomo Wiring Systems Ltd. and Sumitomo Electric Industries | Date: 2015-06-30

An electrical junction box includes an insulating substrate, a bus bar that is bonded to the insulating substrate, and a reinforcement plate that is bonded to a region of the insulating substrate to which the bus bar is not bonded. The reinforcement plate includes a through hole that allows passage of a shaft portion of a screw. A heat-dissipating member is stacked on a surface of the reinforcement plate opposite to the insulating substrate, and includes a screw hole into which the screw is screwed. A retaining member retains the respective positions of the insulating substrate, the bus bar, and the reinforcement plate, and the reinforcement plate includes an engagement portion that aligns the through hole and the screw hole by engaging with the retaining member.


Patent
Nagoya University, Autonetworks Technologies Ltd., Sumitomo Wiring Systems Ltd. and Sumitomo Electric Industries | Date: 2015-06-22

A communication system and key information sharing method which allows first and second communication devices to share key information and perform cryptograph processing. The monitoring device calculates hash value based on copy data of storage content of an ECU, and transmits a part to the ECU as confirmation information. The ECU further extracts a part from a value, obtained by removing confirmation information from hash value calculated by the ECU, and transmits part to the monitoring device as response information when the received confirmation information is included in the hash value calculated by the ECU. The monitoring device determines whether the received response information is included in hash value of the monitoring device or not. The ECU and monitoring device each use residual value, obtained by removing confirmation information and response information from hash value calculated by the ECU or monitoring device, for following cryptograph processing as a shared key.


Patent
AutoNetworks Technologies Ltd., Sumitomo Wiring Systems Ltd. and Sumitomo Electric Industries | Date: 2017-05-31

A belt-shaped bus bar line is disposable on a plurality of transversely juxtaposed electric cells in the direction in which the cells are juxtaposed, each electric cell having positive and negative electrode terminals; the bus bar line comprises:a plurality of bus bars (20A, 20B) for electrically connecting the electrode terminals of electric cells adjacent to each other,a first insulating resin portion (22A) formed by heat laminating a film made of an insulating resin, the first insulating resin portion (22A) connecting the plurality of bus bars (20A, 20B) ; anda projection disposing clearance (23) provided between the adjacent bus bars (20A, 20B), such that a projection of a separator is disposable in the projection disposing clearance (23).

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