Abstract: An electrical signal connector for assembly with a coaxial cable includes a locknut defining an abutment flange at the front side, an inner tube fastened to the rear side of the locknut opposite to the abutment flange and defining a bearing surface portion for receiving the coaxial cable, a cylindrical casing fastened to the rear side of the locknut around the inner tube and defining a first deformable body portion and a second deformable body portion, a barrel and a torque sleeve attached to the locknut and the cylindrical casing. The barrel defines a front end edge stopped against an inside stop flange of the torque sleeve which can be moved to force a rear inside bearing surface of the barrel over the first deformable body portion and second deformable body portion of the cylindrical casing, thereby tightening up the engagement between the electrical signal connector and the coaxial cable.

Abstract: An optical connector adapter includes: a first connection member; a second connection member; a sleeve member coaxially disposed in the first and second connection members; an outer shell defining an internal cavity for receiving the first and second connection members, an engagement section being formed on an inner wall face of the internal cavity and inward protruding from the inner wall face for restricting and locating the first connection member, the outer shell being formed with at least one slot in communication with the cavity; and at least one U-shaped clamp member. The U-shaped clamp member can be inserted into the outer shell through the slot to restrict the second connection member so as to securely locate the first and second connection members in the outer shell.

Abstract: An OTDR light reflection structure of optical sub-assembly for transceivers of PON system includes: a retainer member installed at an end section of a light guide unit of the optical sub-assembly for transceivers and positioned in the optical sub-assembly for transceivers, the retainer member having a first end and a second end; and a light reflection filter affixed to the first end of the retainer member. When an OTDR emits a specific wavelength of light, the light reflection filter directly reflects the light back into the light guide unit. Then the signal is transmitted back to the OTDR for the OTDR to identify the subscriber position of the feedback signal and judge whether the optical fiber line is in a normal state.

Abstract: A pigtail light guide structure for transmitting optical signals includes an optical transmission line and a fiber stub structure. The optical transmission line has an optical fiber, a coating enclosing the optical fiber and a buffer layer enclosing the coating. A part of the optical fiber is exposed to outer side of a free end of the optical transmission line. The fiber stub structure includes a sleeve and a capillary. The sleeve has a first internal receiving hole for accommodating the optical transmission line, and a second internal receiving hole in communication with the first internal receiving hole for accommodating the capillary. The second internal receiving hole has a diameter smaller than a diameter of the first internal receiving hole. The capillary has an internal passage for accommodating a part of the optical fiber of the optical transmission line.

Abstract: A main housing for optical sub-assembly for transceivers includes a cylindrical member and a bypass member. The cylindrical member has a first end for accommodating an optical transmission unit and a second end for accommodating an optical fiber connector. A tubular member forming groove is formed on an outer circumference of the cylindrical member. A sleeve forming reference hole is formed on a tubular wall of the cylindrical member in communication with the tubular member forming groove. The bypass member has a connection tube positioned in the tubular member forming groove, a filter holder positioned in the cylindrical member and connected with the connection tube for connecting a filter on the filter holder, and a sleeve for accommodating an optical receiving unit. The sleeve outward extends along the sleeve forming reference hole and is connected with the filter holder.

Abstract: A hand tool includes a tool shaft having a shank and a handle pivotally coupled together, and a tool head, which includes a socket defining a socket hole attachable to a locknut at a coaxial cable for fastening or loosening the locknut and a side opening for the passing of the locknut into or out of the socket hole, a driven structure located on an inner side of a receiving hole at one side of the socket hole, a transmission shaft coupled to the shank of the tool shaft and having a driving head located on one end thereof for engagement with the driven structure of the socket, and an elastic member stopped between the driving head and the socket such that when the socket reaches a predetermined torque value during operation, the driving head is moved axially away from the driven structure to compress the elastic member and to run idle.

Abstract: A central conductor of coaxial cable connector includes a barrel, at least one first spring plate group, and at least one second spring plate group. The barrel has two ends forming connection bores, opposite side surfaces respectively forming a first slit and a second slit, and top and bottom walls respectively forming a wall opening and a bottom wall opening. The first spring plate group and the second spring plate group are arranged opposite in direction to each other and each includes spring plates that are arranged to engage each other from upper and lower sides. Each of the spring plates has an end connected to the top or bottom wall of the barrel and an opposite end extending inward of the top wall opening or the bottom wall opening. As such, clamping force is enhanced, contact area is increased, and resiliency limit is improved, so as to provide excellent engagement between conductors.

Abstract: A receptacle structure for optical sub-assembly for transceivers includes: a receiving tube; a base seat coaxially disposed in the receiving tube, the base seat having a first fiber stub receiving hole and a second fiber stub oblique receiving hole; a sleeve coaxially disposed in the base seat and the receiving tube; a first fiber stub coaxially disposed in the first fiber stub receiving hole of the base seat and the receiving tube; a second fiber stub connected in the second fiber stub oblique receiving hole of the base seat; and an optical fiber installed between the first and second fiber stubs. The second fiber stub is disposed in the base seat in an inclined state, whereby the coupling loss is reduced and the optical coupling efficiency is increased.

Abstract: An optical fiber module includes: an optical transmission line having an optical fiber, a coating enclosing the optical fiber and a buffer layer enclosing the coating, apart of the optical fiber being exposed to outer side of a free end of the optical transmission line; and a fiber stub structure including a sleeve and a retainer section integrally forward extending from the sleeve as an integrated structure. The sleeve has a central hole for accommodating the optical transmission line. The retainer section has an inclined hole for accommodating a part of the optical fiber to make the direction of emergence of the light coaxial with the direction of incidence of the light of the light-emitting element. The fiber stub structure is an integrated structure, whereby the signal loss of incident light is reduced and the manufacturing cost is greatly lowered.

Abstract: An optical fiber module includes an optical transmission line and a fiber stub structure. The optical transmission line has an optical fiber core, a coating enclosing the optical fiber core and a buffer layer enclosing the coating. A part of the optical fiber core is exposed to outer side of a free end of the optical transmission line. The fiber stub structure includes a sleeve and a ferrule . The sleeve has an internal central hole for accommodating the optical transmission line and an oblique hole in communication with the central hole for accommodating the ferrule. The ferrule has an internal passageway for accommodating a part of the optical fiber core of the optical transmission line. When installed, under the restriction of the oblique hole, the ferrule is disposed in the sleeve in an inclined state.

Abstract: A receptacle structure for optical sub-assembly for transceivers includes a receiving tube; an optical fiber; an optical fiber retainer member having an interface section and an inclined head integrally connected with the interface section, the interface section being mounted in the receiving tube with the inclined head protruding out of the receiving tube, the inclined head defining an inclined hole for receiving a front end section of the optical fiber, whereby the optical signals can be mass-accumulated and coupled to the optical fiber; a sleeve mounted in the receiving tube and the optical fiber retainer member, the sleeve being formed with an internal through hole for receiving a front end section of an optical fiber module; and a fiber stub mounted in the optical fiber retainer member and the sleeve. The fiber stub has a passageway for receiving a rear end section of the optical fiber.

Abstract: A shielding structure for optical sub-assembly for transceivers includes a housing and a movable board. The housing has a bottom board, a front end board upward extending from a front end of the bottom board and two sideboards upward extending from a left side and a right side of the bottom board. The movable cover includes a plate main body. The plate main body has a connection end connected with the front end board of the housing and a press end opposite to the connection end. The movable cover further includes two sideboards downward extending from a left side and a right side of the plate main body. When installing the optical sub-assembly for transceivers into the shielding structure, the press end of the movable cover is pressed down until the movable cover is engaged with the housing in a closed state so as to avoid electromagnetic interference.

Abstract: A grounding electrical connector includes: an inner sleeve and an outer sleeve coaxially positioned around the inner sleeve, the inner sleeve serving to receive the central conductor and the insulator of the cable, the outer sleeve serving to receive the external conductor and the skin of the cable, the inner sleeve having an outer flange, an interface section, a tapered section positioned between the outer flange and the interface section, and a rear end extension section; a nut having an inner flange positioned around the tapered section of the inner sleeve; and a C-shaped contact spring back and forth movably arranged around the tapered section of the inner sleeve in contact with the nut. The C-shaped contact spring is back and forth movable to keep the nut in contact with the inner sleeve so as to achieve good grounding effect.

Abstract: A central conductor of coaxial cable connector includes a barrel, at least one first spring plate group, and at least one second spring plate group. The barrel has two ends forming connection bores, opposite side surfaces respectively forming a first slit and a second slit, and top and bottom walls respectively forming a wall opening and a bottom wall opening. The first spring plate group and the second spring plate group are arranged opposite in direction to each other and each includes spring plates that are arranged to engage each other from upper and lower sides. Each of the spring plates has an end connected to the top or bottom wall of the barrel and an opposite end extending inward of the top wall opening or the bottom wall opening. As such, clamping force is enhanced, contact area is increased, and resiliency limit is improved, so as to provide excellent engagement between conductors.

Abstract: An optical connector adapter includes: a first connection member; a second connection member; a sleeve member coaxially disposed in the first and second connection members; an outer shell defining an internal cavity for receiving the first and second connection members, an engagement section being formed on an inner wall face of the internal cavity and inward protruding from the inner wall face for restricting and locating the first connection member, the outer shell being formed with at least one slot in communication with the cavity; and at least one U-shaped clamp member. The U-shaped clamp member can be inserted into the outer shell through the slot to restrict the second connection member so as to securely locate the first and second connection members in the outer shell.

Abstract: A grounding electrical connector includes: an inner sleeve and an outer sleeve coaxially positioned around the inner sleeve, the inner sleeve serving to receive the central conductor and the insulator of the cable, the outer sleeve serving to receive the external conductor and the skin of the cable, the inner sleeve having an outer flange, an interface section, a tapered section positioned between the outer flange and the interface section, and a rear end extension section; a nut having an inner flange positioned around the tapered section of the inner sleeve; and a C-shaped contact spring back and forth movably arranged around the tapered section of the inner sleeve in contact with the nut. The C-shaped contact spring is back and forth movable to keep the nut in contact with the inner sleeve so as to achieve good grounding effect.

Abstract: A coaxial cable connector includes: a connection terminal having a base section, a first extension section upward extending from a first edge of the base section, a second extension section upward extending from a second edge of the base section and spaced from the first extension section; an insulating member having an insulating main body for supporting the base section of the connection terminal; and a case for supporting the insulating main body of the insulating member. The first and second extension sections are bendable by means of a bending force applied to the insulating member and the case, whereby the first and second extension sections are urged to securely clamp an internal conductor of a coaxial cable at multiple points so as to electrically connect the connection terminal with the internal conductor of the coaxial cable.

Abstract: A cable stripper with marking structure includes an upper main body, a lower main body, a blade seat installed on the lower main body, a micro-adjustable locating structure including a fixing rod connected with the upper main body and a locating plate movably connected on the fixing rod, and a marking structure including a support body fixed with the lower main body and a marking member connected with the support body and extending from the support body by a certain length. A free end of a coaxial cable can be inserted into the marking structure until the free end of the coaxial cable completely abuts against the locating plate. Then, the coaxial cable is rotated to form a mark on the surface of the skin of the coaxial cable. With the mark, the coaxial cable is prepared to insert into a terminal connector by a correct insertion depth.