Abstract: A seed development device for Psammochloa villosa using condensate water in desert areas includes: a cultivation box, a top surface of the cultivation box is connected to a cooler and condensate water collecting units through a support frame. Each condensate water collecting unit includes an outer frame, sleeve pipes, a middle frame, a cold air cavity, water collecting rods, a water collecting tank and a delivery pipe. The delivery pipe is connected to the cultivation box. When an outdoor temperature cannot complete condensation of water vapor, the cooler completes cooling of the cold air cavity and water collecting rods until condensate water collection is completed, water drops fall into the water collecting tank to complete water collection, which is used for water supplement of seed development of Psammochloa villosa, thus reducing the process of artificial water supplement and improving the development efficiency of seeds of Psammochloa villosa in desert areas.

Abstract: A communication device includes a donor receiver that receives a first beam of input radio frequency (RF) signals from a base station or a network node. The communication device further includes a service transmitter that transmits a second beam of RF signals in a first radiation pattern to a user equipment (UE). The communication device further includes control circuitry that detects an amount and a direction of echo signals at the donor receiver. The control circuitry applies polarization to the second beam of RF signals transmitted to the UE and calibrates the polarization to minimize the echo signals at the donor receiver. A second radiation pattern is generated for the second beam of RF signals and communicated to the UE based on the calibrated polarization. The communication of the second beam of RF signals in the generated second radiation pattern further reduces the echo signals at the donor receiver.

Abstract: A communication device includes a service transmitter (Tx) configured to transmit a second beam of RF signals in a first radiation pattern to a user equipment (UE). The communication device further includes a control circuitry configured to: detect an amount and direction of echo signals at the donor receiver Rx corresponding to reflected RF signals in an environment surrounding a communication device; determine an installation location for the communication device based on echo signal measurements at one or more different locations; adjust polarization of the second beam of RF signals to minimize the echo signals at the donor receiver Rx based on the echo signal; and generate a second radiation pattern for at least the second beam of RF signals based on the amount and direction of the echo signals in the environment detected at the donor receiver Rx.

Abstract: A duplex optical connector includes a holder, a pair of optical connectors rotatably disposed in the holder, a cable boot slidably attached to the holder, and a clip removably attached to the holder. The clip functions to maintain a lateral position of the optical connectors relative to the holder and transfer applied force on the pull boot into actuating force on the connector latches. Connector openings formed in the holder are elongated in the lateral direction to provide separate use and polarity reversal connector positions, wherein the connectors non-rotatably engage the holder in their use position and rotatably engage the holder in their polarity reversal position.

Abstract: A duplex optical connector includes a holder, a pair of optical connectors rotatably disposed in the holder, a cable boot slidably attached to the holder, and a clip removably attached to the holder. The clip functions to maintain a lateral position of the optical connectors relative to the holder and transfer applied force on the pull boot into actuating force on the connector latches. Connector openings formed in the holder are elongated in the lateral direction to provide separate use and polarity reversal connector positions, wherein the connectors non-rotatably engage the holder in their use position and rotatably engage the holder in their polarity reversal position.

Abstract: A multi-fiber push-on/pull-off (MPO) connector and an MPO connector tool configured to facilitate insertion and removal into and from an MPO adapter. The MPO connector includes a ferrule, an inner housing holding the ferrule, an outer housing slidably coupled to the inner housing, and a clip coupled to one end of the outer housing and including a main body, a pair of longitudinally extending latch arms for engaging the outer housing, and a pair of laterally extending posts extending from the main body. In use, the MPO connector tool is positionable to apply a force on the laterally extending posts to translate the clip thereby translating the outer housing longitudinally to facilitate connector insertion and removal.

Abstract: A multi-fiber push-on/pull-off (MPO) connector and an MPO connector tool configured to facilitate insertion and removal into and from an MPO adapter. The MPO connector includes a ferrule, an inner housing holding the ferrule, an outer housing slidably coupled to the inner housing, and a clip coupled to one end of the outer housing and including a main body, a pair of longitudinally extending latch arms for engaging the outer housing, and a pair of laterally extending posts extending from the main body. In use, the MPO connector tool is positionable to apply a force on the laterally extending posts to translate the clip thereby translating the outer housing longitudinally to facilitate connector insertion and removal.

Abstract: The present disclosure provides assemblies for supporting optical fiber connections. In embodiments, an optical fiber box includes a main body and a cover defining an installation cavity. A separator and a plurality of spacers are arranged in the main body and divide the installation cavity into first and second cavities and a plurality of installation channels for receiving optical fiber connectors of a type including a sleeve. Installation holes arranged at intervals along the length of the separator receive the sleeves. The plurality of installation channels and the plurality of installation holes are arranged in one-to-one correspondence. The optical fiber box optionally includes a shutter assembly at the entrance to each installation channel. In embodiments, at least the main body, the separator, and the plurality of spacers are integrally formed to provide a connection solution that does not require separate optical fiber adapters.

Abstract: The present disclosure provides assemblies for supporting optical fiber connections. In embodiments, an optical fiber box includes a main body and a cover defining an installation cavity. A separator and a plurality of spacers are arranged in the main body and divide the installation cavity into first and second cavities and a plurality of installation channels for receiving optical fiber connectors of a type including a sleeve. Installation holes arranged at intervals along the length of the separator receive the sleeves. The plurality of installation channels and the plurality of installation holes are arranged in one-to-one correspondence. The optical fiber box optionally includes a shutter assembly at the entrance to each installation channel. In embodiments, at least the main body, the separator, and the plurality of spacers are integrally formed to provide a connection solution that does not require separate optical fiber adapters.

Abstract: A grinder for grinding an end face of a fiber includes a housing, a fiber fixing module, a base, a transmission shaft, and a grinding pad. The housing includes an annular rack wheel with an internal engaging teeth. The fiber fixing module is positioned on a top of the housing. The base is positioned at a bottom of the housing and includes an eccentric connection portion. An end of the transmission shaft is connected to the connection portion. The transmission shaft is sleeved with an annular pinion having external engaging teeth engaging with the internal engaging teeth. The grinding pad is connected to another end of the transmission shaft and revolves around the rotation axis of the base and rotates around its own rotation axis together with the transmission shaft and matches an end face of a to-be-ground fiber penetrating the fiber fixing module.

Abstract: An optical fiber connector includes: a plug assembly holding an optical fiber ribbon. The optical fiber ribbon includes bare fibers with ground end faces. The plug assembly includes a precision guiding device and a fixing device. The precision guiding device positions the bare fibers, the fixing device holds the optical fiber ribbon, and the precision guiding device and the fixing device are detachably connected to each other.

Abstract: A grinder for grinding an end face of a fiber includes a housing, a fiber fixing module, a base, a transmission shaft, and a grinding pad. The housing includes an annular rack wheel with an internal engaging teeth. The fiber fixing module is positioned on a top of the housing. The base is positioned at a bottom of the housing and includes an eccentric connection portion. An end of the transmission shaft is connected to the connection portion. The transmission shaft is sleeved with an annular pinion having external engaging teeth engaging with the internal engaging teeth. The grinding pad is connected to another end of the transmission shaft and revolves around the rotation axis of the base and rotates around its own rotation axis together with the transmission shaft and matches an end face of a to-be-ground fiber penetrating the fiber fixing module.

Abstract: Disclosed are a snap-fit structure and an optical fiber splicer using the snap-fit structure. The snap-fit structure comprises a cable retainer and a base, the base being provided with a snap-fit hole, the cable retainer being provided with an ear clip, during assembling, the clip being fitted into the snap-fit hole, wherein a second outer lateral surface is arranged in a rising direction of the ear clip, the second outer lateral surface in the rising direction of the ear clip and a wall surface of the cable retainer forming a wedge smaller at the top and larger at the bottom.

Abstract: Disclosed are a high-density fiber connector and an assembly method thereof. The connector, adapted for use with a fiber adapter, comprises a connector casing, a ferrule, a spring and a boot, wherein the connector casing has a cross width of 2.5 mm to 4.5 mm. The connector casing comprises a front casing and a rear casing, which lock up one another to form a cavity. The tail of the connector casing is connected with a boot. On the connector casing are sequentially arranged a guide block and an elastic arm from the front toward the back. A fixed end of the elastic arm is oriented toward the tail of the connector, while a free end faces an insert end of the connector and includes a retaining bump. The ferrule 2 is fastened with the ferrule tailstock 3 and penetrates through a through hole at the front of the connector casing. The spring is compressed between the ferrule tailstock and a thrust block formed by inner walls of the connector casing.

Abstract: A high density optical fiber switch module comprises a box body whose front end is provided with several optical fiber adapters, the top surface or bottom surface of the optical fiber adapter is provided with a first positioning groove which extending along the direction perpendicular to a direction in which the optical fiber plug is inserted into the optical fiber adapter, and a first positioning protrusion matching with the first positioning groove is arranged on the inner surface of the box body so that when the first positioning protrusion is latched within the first positioning groove, the optical fiber adapter is fixed to the front end of the box body.

Abstract: Disclosed are a snap-fit structure and an optical fiber splicer using the snap-fit structure. The snap-fit structure comprises a cable retainer and a base, the base being provided with a snap-fit hole, the cable retainer being provided with an ear clip, during assembling, the clip being fitted into the snap-fit hole, wherein a second outer lateral surface is arranged in a rising direction of the ear clip, the second outer lateral surface in the rising direction of the ear clip and a wall surface of the cable retainer forming a wedge smaller at the top and larger at the bottom.

Abstract: A connector for ribbon optical fiber comprises a plug (1) and a socket (2). The plug (1) movably connects with the socket (2) through buttons (106) which are set on the both sides of the front end of the plug, and an alignment core (12) which allows a ribbon optical fiber movably aligning in the inside movement is also set on the front end of the plug (1). In the connector for ribbon optical fiber of present invention, the plug (1) movably connects with the socket (2) through buttons (106), therefore repeated plugging and pulling can be achieved, and the optical fiber movably aligns inside the alignment core with the advantages of simple structure and good effect of alignment.

Abstract: An optical fiber end face processing method, an optical fiber end face formed using the processing method and a processing apparatus used in the optical fiber end face processing method. The processing method comprises: chamfering and fusion splicing: providing a heat source to an optical fiber end face (3) formed in cutting of an optical fiber to perform chamfering and fusion splicing on an outer edge (33) of the optical fiber end face (3); end face forming: enabling the outer edge (33) of the optical fiber end face (3) to form a cambered surface or a chamfering inclined surface through a surface tension effect of a liquid-state part of the optical fiber at an end of the optical fiber. A processing part of the optical fiber end face processing method has a small area.

Abstract: An optical fiber plug for high density optical fiber connections is proposed for matching with an optical fiber adapter, and includes a body with an elastic buckling member (130) to buckle the adapter, and an ejecting assembly actuated at the same time when the buckling member (130) is actuated to release the body from the adapter. The ejecting assembly includes an ejecting spring (420) and an ejecting rod (410) arranged in the body. The ejecting rod (410) is ejected from the body when the ejecting assembly is actuated, and stopped on the adapter to eject the body out of the adapter. The optical fiber plug can be automatically ejected out of the adapter when the buckling member (130) of the plug is actuated, thus solving the problem of operational difficulties caused by reducing the geometric size of the plug, and realizing high density optical fiber connections with optical fiber jumpers.

Abstract: Disclosed are an optical fiber connector an assembly method therefor. The connector is used for matching with an optical fiber adapter, and comprises a connector casing, a ceramic ferrule (2), a spring (4) and a boot (8), wherein the connector casing has a lateral width of 2.5 mm to 4.5 mm, is formed by inserting and locking a front casing (1) and a rear casing (5) and forms a cavity; the tail of the connector casing is connected to the boot (8), the external front end of the connector casing contains a guiding block (101) and a combined elastic arm successively in the rearward direction, and a retaining convex block (104) is arranged on the combined elastic arm; the tail end of the ceramic ferrule (2) is fixed to a tailstock (3) of the ceramic ferrule and penetrates through a through hole at the front end of the connector casing; and the spring is compressed between the tailstock (3) of the ceramic ferrule and a stop block (501) formed by the inner walls of the connector casing.