Abstract: An optical ring network, an optical connector, and a hybrid connector is provided, wherein a leading-out direction of an optical fiber can be changed without bringing about bad influence on the light transmitted with the optical fiber. An optical plug 24 as an optical connector includes a pair of ferrules 31 to be attached to the respective ends of a pair of optical fibers 25 and an optical adapter 32 having accommodating chambers 101 to accommodate the respective end portions of the optical fibers 25 with the respective ferrules 31. And, directing members 26, 27 to direct the respective optical fibers 25 led out of the optical adapter 32 are secured to the respective ferrules 31, and the ferrules 31 with the directing members 26, 27 are pivotably accommodated in the respective accommodating chambers 101.

Abstract: An optical connector as an optical plug is provided, which includes: an optical fiber cable; a ferrule connected to an end of the optical fiber cable and constructing a ferrule assembly along with the optical fiber cable; a spring arranged over the optical fiber cable, an end of the spring pressing the ferrule; a plug housing to accommodate the ferrule assembly and the spring; and a spring cap to be connected to the plug housing for supporting another end of the spring, wherein the spring cap has a lower spring cap and an upper spring cap to couple with the lower spring cap, at least one of the spring caps engaging the plug housing, and the one of the spring caps has both of a straight path to straightly lead out the optical fiber cable in an axial direction of the ferrule and a curved path to curvingly lead out the optical fiber cable. Also, an assembly method of the optical plug is provided.

Abstract: At least one annular wall 6 into which a ferrule 5 for an optical fiber cable 30 is adapted to be inserted is provided in the housing 4 and exposed to the exterior. A protective frame wall 7 is provided on the housing 4 so as to project higher than the annular wall 6. The frame wall 7 is so arranged as to surround the annular wall 6, and projected upwardly and downwardly from both top and bottom sides of the housing 4. A top wall 9 for mounting a ferrule locking member 10 is formed integrally with the annular wall 6, and the top wall is positioned at the same height as the frame wall 7, and continued from the frame wall. There may be arranged a pair of the annular walls in parallel in proximity to each other. A receiving trunk 53 in a mating housing 48 continued to a light converting element 55 is adapted to be inserted into the annular wall 6, and the ferrule 5 is adapted to be inserted into the receiving trunk.

Abstract: A light emitting module and a light receiving module are indirectly received in respective module receiving sections of a shield casing so as to set the modules in position in the shield casing. The shield casing is then mounted in an optical housing to assemble an optical connector. Positioning of the light emitting module and the light receiving module and their leads is easily attained. The operation for assembling the optical connector is facilitated.

Abstract: An optical connector as an optical plug is provided, which includes: an optical fiber cable; a ferrule connected to an end of the optical fiber cable and constructing a ferrule assembly along with the optical fiber cable; a spring arranged over the optical fiber cable, an end of the spring pressing the ferrule; a plug housing to accommodate the ferrule assembly and the spring; and a spring cap to be connected to the plug housing for supporting another end of the spring and for curvingly leading the optical fiber cable, wherein a curved portion, provided inside the spring cap, of the optical fiber cable has a thinner cover than another portion.

Abstract: A receptacle with high productivity is provided, wherein rear openings 4 of a connector housing 2 of the receptacle 1 continue to respective terminal led-out portions 22 so that terminals 34 and 35 of a light receiving element module 6 and a luminescence element module 7, respectively, are easily fitted to the connector housing 2 and projecting portions 38, which project into the respective terminal led-out portions 22 near to the respective terminals 34 and 35, are formed on a cap member 8.

Abstract: A receptacle with high productivity is provided, wherein rear openings 4 of a connector housing 2 of the receptacle 1 continue to respective terminal led-out portions 22 so that terminals 34 and 35 of a light receiving element module 6 and a luminescence element module 7, respectively, are easily fitted to the connector housing 2 and projecting portions 38, which project into the respective terminal led-out portions 22 near to the respective terminals 34 and 35, are formed on a cap member 8.

Abstract: In an optical connector, a ferrule accommodated in a ferrule chamber of a housing is urged by a spring so that the optical connector is coupled with a complementary connector. The housing is provided with a means for stopping the retracting of the ferrule when the ferrule retracts by a certain length. In this configuration, a break in communication occurs even when force is applied to an optical fiber cable.

Abstract: An optical ring network, an optical connector, and a hybrid connector is provided, wherein a leading-out direction of an optical fiber can be changed without bringing about bad influence on the light transmitted with the optical fiber. An optical plug 24 as an optical connector includes a pair of ferrules 31 to be attached to the respective ends of a pair of optical fibers 25 and an optical adapter 32 having accommodating chambers 101 to accommodate the respective end portions of the optical fibers 25 with the respective ferrules 31. And, directing members 26,27 to direct the respective optical fibers 25 led out of the optical adapter 32 are secured to the respective ferrules 31, and the ferrules 31 with the directing members 26,27 are pivotably accommodated in the respective accommodating chambers 101.

Abstract: A hybrid connector consists of an optical fiber cable having a ferrule attached at one end thereof, an optical adapter having a receiving cavity for the one end of the optical fiber cable, an electrical connector having terminal receiving cavities for receiving electrical terminals and an optical adapter mount section for receiving the optical adapter, a cover which receives the optical adapter, and an optical housing having a housing side receiving cavity for the one end of the optical fiber cable. The hybrid connector, depending on the constituent elements selected, can be provided as an optical/electrical connector, a first optical connector and a second optical connector, so as to match to the mating connector.

Abstract: A hybrid connector consists of an electrical connector and an optical connector. The electrical connector includes a housing with a wall having a terminal mount section and an optical connector mount section and terminals bent L-shaped and inserted through the terminal mount section into the electrical housing. The optical connector includes an optical housing, and a light emitting element module and a light receiving element module, both accommodated in the optical housing. The optical housing, when assembled to the electrical housing, overlies the terminals with a spacing therebetween. A compact hybrid connector is obtained.

Abstract: In an optical connector, a ferule accommodated in a ferule chamber of a housing is urged by a spring so that the optical connector is coupled with a complementary connector. The housing is provided with a means for stopping the retracting of the ferule when the ferule retracts by a certain length. In this configuration, a break in communication occurs even when force is applied to an optical fiber cable.

Abstract: At least one annular wall 6 into which a ferrule 5 for an optical fiber cable 30 is adapted to be inserted is provided in the housing 4 and exposed to the exterior. A protective frame wall 7 is provided on the housing 4 so as to project higher than the annular wall 6. The frame wall 7 is so arranged as to surround the annular wall 6, and projected upwardly and downwardly from both top and bottom sides of the housing 4. A top wall 9 for mounting a ferrule locking member 10 is formed integrally with the annular wall 6, and the top wall is positioned at the same height as the frame wall 7, and continued from the frame wall. There may be arranged a pair of the annular walls in parallel in proximity to each other. A receiving trunk 53 in a mating housing 48 continued to a light converting element 55 is adapted to be inserted into the annular wall 6, and the ferrule 5 is adapted to be inserted into the receiving trunk.

Abstract: An optical fiber-fixing structure of a ferrule is provided. The ferrule is fitted on an optical fiber having a conductor exposed from a sheath by an end processing, so that the ferrule is bonded and fixed to the optical fiber. The ferrule includes a larger inner-diameter and a smaller inner-diameter receiving portion for respectively receiving the sheath and the conductor, and the receiving portions extend continuously through the ferrule from one end to the other end. Grooves and protuberances are formed at the larger inner-diameter receiving portion. The protuberances provide a reduced inner diameter, being defined by distal ends of the protuberances, which is smaller than that of the sheath of the optical fiber, so that the sheath is provisionally fixed relative to the receiving portion in a press-fitted condition.

Abstract: An optical ring network, an optical connector, and a hybrid connector is provided, wherein a leading-out direction of an optical fiber can be changed without bringing about bad influence on the light transmitted with the optical fiber. An optical plug 24 as an optical connector includes a pair of ferrules 31 to be attached to the respective ends of a pair of optical fibers 25 and an optical adapter 32 having accommodating chambers 101 to accommodate the respective end portions of the optical fibers 25 with the respective ferrules 31. And, directing members 26, 27 to direct the respective optical fibers 25 led out of the optical adapter 32 are secured to the respective ferrules 31, and the ferrules 31 with the directing members 26, 27 are pivotably accommodated in the respective accommodating chambers 101.

Abstract: In an optical fiber connector 1, optical fibers 2 are inserted respectively into ferrules 3 to form optical fiber plugs 4, and distal end portions of the optical fiber plugs 4 are inserted into a connector housing 6, and a holder 7 is fitted on the connector housing from rear end portions of the optical fiber plugs. The optical fiber connector 1 is fitted into a light receiving-emitting device 8, so that distal end surfaces of the optical fiber plugs are kept spaced a predetermined distance respectively from light receiving-emitting elements received within the light receiving-emitting device. The holder includes insertion holes 41 for respectively passing the optical fibers therethrough in a direction of insertion of the optical fiber plugs, and introduction notches 45 communicating respectively with the insertion holes in a direction intersecting the inserting direction.

Abstract: A structure for altering bus bar circuits includes plural bus bars, a plurality of bus bar boards having plural terminal slots into which are to be inserted respectively and being stacked, a first and second supplemented tab being in the same projecting direction as that of a first and second tab separated from one of the bus bars for altering a circuit, and a supplemented bus bar having the first and second supplemented tab mounted on the same place as the first and second tab of the bus bars.