Abstract: A metal seal of a non-circular ring which shows uniform sealing ability on whole periphery. The whole configuration of the metal seal is a non-circular ring having an R-shaped curved portion and a straight portion, and a cross-sectional configuration of the metal seal is changed as to make cantilever flexural rigidity larger on the straight portion than on the R-shaped curved portion.
Abstract: A handle grip member with electric heater can be produced in high yield through simple processing not using any core of synthetic resin and avoiding molding operation. Depressed groove (4) is spirally provided on an external surface of inner part (1) of rubber, and multiple ribs (5) are provided on an internal surface thereof along the direction of length. Electric heater (7) of tape-shaped metal conductor is implanted in the depressed groove (4), and fixed. Electric wires (8a,8b) are connected to two ends of the electric heater (7) and drawn out. The inner part (1) is inserted in outer part (9) of rubber tube, and the outer part (9) is fixed to the inner part (1) with the use of an adhesive, etc.
Abstract: Provided is an antenna device with which the degradation of characteristics arising from the fact that the antenna has been miniaturized and made thinner is reduced and in which it is possible to increase the gain and to widen the coverage area by improving the characteristics of the internal antenna. The device is equipped with a circuit board, a wireless circuit component which is mounted on the substrate, an internal antenna which is connected to the wireless circuit component which is mounted on the substrate, a circuit-side ground pattern which is connected to the wireless circuit component which is mounted on the substrate, and a dedicated antenna ground paten which is connected to the internal antenna which is mounted on the circuit board.
Abstract: An antenna device, wherein the polarization is improved by an identical antenna or substrate, and a higher gain and a smaller size are provided even when the installation conditions are changed. The antenna includes a base provided with a power feed point electrically connected to a power feed unit in a wireless circuit, an antenna element set up on the base and electrically connected to the power feed point, and a ground pattern provided on the base. The antenna element includes a rise part which rises from the base and an element part extending from the top edge of the rise in any direction in the plane parallel to the base. The ground pattern is divided into at least two ground regions by a boundary, and a ground connection part which electrically and locally connects the ground regions.
Abstract: An optical fiber structure (10) includes an optical fiber (11a), and a block-like chip (12) joined to the optical fiber (11a). The block-like chip (12) is tapered toward its fiber-joined end.
Abstract: An optical fiber includes: a core (1) having an outer diameter (D1) of greater than or equal to 8.2 ?m and less than or equal to 10.2 ?m; a first cladding (2) surrounding the core (1) and having an outer diameter (D2) of greater than or equal to 30 ?m and less than or equal to 45 ?m; a second cladding (3) surrounding the first cladding (2) and having a thickness (T) of greater than or equal to 7.4 ?m; and a support layer (4) surrounding the second cladding (3). The relative refractive index difference which is the ratio of the difference between the refractive index of the support layer (4) and that of the second cladding (3) to the refractive index of the support layer (4) is greater than or equal to 0.5%.
Abstract: A suspension type electrodeposition coating composition containing, as a resin component, block copolyimide having a siloxane bond in a molecular structure and an anionic group in a molecule. Preferably, the above-mentioned block copolyimide contains, as one of the diamine components, diamine having a siloxane, bond in a molecular structure. In addition, preferably, the above-mentioned anionic group is a carboxylic acid group or a salt thereof and/or a sulfonic acid group or a salt thereof. The electrodeposition coating composition has superior heat resistance, which does not easily develop peeling and cracks in the electrodeposited body, and is capable of efficiently forming a high-insulation electrodeposited film superior in the uniformity of film property.
May 7, 2008
Date of Patent:
February 12, 2013
Mitsubishi Cable Industries, Ltd., PI R&D Co., Ltd.
Abstract: A circuit board includes a foil circuit provided on a synthetic resin plate formed by injection molding, made of a copper foil, and having a pattern different for the circuit board. Anchor pins projecting upward are provided on the resin plate and passed through pinholes made in the foil circuit. The foil circuit is positioned and secured to the resin plate. In a required portion of the resin plate, a terminal insertion hole is provided, and a receiving terminal is secured to the required portion of the terminal insertion hole and connected to the foil circuit.
Abstract: In a rotary shaft seal configured such that first and second seal elements (1) and (2) each having a fundamental thickness (T) and each curved through a curved wall portions (5) of a corresponding one of the first and second seal elements (1) and (2) to have a generally J-shaped cross section are arranged so as to be curved in opposite directions along a shaft center (L), a wide circumferential groove (7) is formed in each of opposed surfaces (6) of the respective curved wall portions (5) of the first and second seal elements (1) and (2). Under use conditions (where the seal is inserted), extreme end portions (8) of the first and second seal elements (1) and (2) are in contact with an outer circumferential surface (9a) of a rotary shaft (9) with a peak contact pressure such that a contact width (E) is equal to or less than twice the fundamental thickness (T).
Abstract: An optical connector structure (C) includes: an optical fiber (100) having a laser beam entrance end to which a quartz chip (120) is integrally connected; a ferrule (200) into which a portion of the optical fiber (100) including the quartz chip (120) is inserted and which holds the portion of the optical fiber; and a receptacle (21) surrounding the ferrule (200), and including a large-diameter hole (21b) formed toward an opening and a small-diameter hole formed toward a back of the receptacle so as to be connected to the large-diameter hole. A front end portion (210) of the ferrule (200) is inserted into the small-diameter hole (21a) of the receptacle (21), and a back body portion (211) of the ferrule (200) is inserted into the large-diameter hole (21b) of the receptacle (21).
Abstract: An inner peripheral surface (10C) of an elastic seal (10) having a U-shaped cross section and made of rubber is supported by a guide ring (20) having a flat cross-sectional shape and made of synthetic resin.
Abstract: A fixing structure of an exterior member to an optical fiber cable includes an optical fiber cable having a coating layer formed on an outer circumference of a bare optical fiber, and the exterior member has a through-hole through which the optical fiber cable can be inserted. The exterior member of the optical fiber cable has a light shielding member to cover an outer circumference of the optical fiber cable, the light shielding member is fixed at a part where the exterior member is externally mounted, and an inner surface of the through-hole of the exterior member is bonded to the light shielding member.
Abstract: An insulated probe pin 10 includes a conductor probe pin 11 and an insulator coating 12 covering a periphery of the conductor probe pin 10 such that a sensing-side end portion of the conductor probe pin 10 is exposed. An end portion 12a of the insulator coating 12 toward the sensing-side end of the conductor probe pin 11 has a thickness larger than that of an end portion of the insulator coating 12 toward a connection-side end of the conductor probe pin 11 in an entire periphery of the insulator coating 12.
Abstract: A wiring structure includes a board assembly and pin terminals. In each of pin terminal insertion holes formed in the board assembly, a terminal connection portion electrically connected to a metal foil wire and fitted onto the pin terminal so as to hold the pin terminal is provided in a through-hole of at least one of a plurality of circuit boards forming the board assembly, which forms a part of the pin terminal insertion hole, whereas an insulating sleeve blocking contact between the pin terminal and each of the remaining circuit boards is fitted into through-holes of the remaining circuit boards, which form the remaining part of the pin terminal insertion hole.
Abstract: An optical fiber connection structure which reduces MPI in the use of an optical fiber with a bend resistance improved by forming holes in the fiber, and a single-mode fiber which reduces MPI are provided. A second cladding portion of a second single-mode fiber 20 includes holes 28, and thus, the second single-mode fiber 20 has low bending loss. A portion of the second single-mode fiber 20 connected to a first single-mode fiber 10a is made solid by filling corresponding portions of the holes 28 over the length L0, and light in a mode LP11 is significantly attenuated in this portion, thereby reducing MPI.
Abstract: A double clad fiber includes a core, a first cladding provided so as to cover the core, and a second cladding provided so as to cover the first cladding. The second cladding has a plurality of pores extending in a length direction and arranged so as to surround the first cladding. In at least one fiber end, the second cladding has been removed by mechanical processing so that the at least one fiber end is formed by the core and the first cladding.
Abstract: A connector housing that is reduced in size in correspondence with reduction in size of a terminal. When a connecting terminal to which an electric wire and a waterproof sealing member are attached is inserted into a terminal accommodating hole from an terminal insertion opening, a step of the waterproof sealing member abuts against a step of the terminal insertion opening and also a taper surface meets a taper surface, preventing water from entering the terminal accommodating hole from the backside. In this state, the waterproof sealing member is pressed toward a connector housing by a rear holder to prevent the waterproof sealing member from falling out of position. Thus, because the terminal insertion opening is sealed, with a part of the waterproof sealing member placed outside the connector housing, the lateral width and vertical width of the terminal accommodating hole can be set to the magnitudes that substantially allow the connecting terminal to pass through the hole.
Abstract: An anti-slip device provided with a supporting plate of metal or resin having an attachment portion on a reverse face for other members, and a rubber elastic body unitedly mounted on the supporting plate. Plural connection holes are formed from an obverse face to the reverse face of the supporting plate. Further, the rubber elastic body is composed of a receiving piece portion covering approximately whole of the obverse face and a falling-prevention portion from the reverse face to connect the receiving piece portion through a peripheral portion and the connection hole.