Abstract: A portable optical fiber test set controllable through a wireless mobile device includes: a portable optical fiber tester, which has a communication interface and can test an optical fiber; and a wireless mobile device electrically connected to the communication interface, so that the wireless mobile device can control the portable optical fiber tester to test the optical fiber and can upload test results and data, obtained by the portable optical fiber tester, to a cloud through a wireless network or download data from the cloud. The invention utilizes the portable optical fiber tester, which has the communication interface and works in conjunction with a function of the wireless mobile device connecting to the network whenever network is available, so that the invention becomes the portable optical fiber testing device that can be conveniently carried and used.

Abstract: An optical path switching device comprises at least one movable carrier plate; at least two optical fiber connection sockets arranged on the movable carrier plate and each connected with an optical fiber; and a driving device mechanical coupled to the movable carrier plate, driving the movable carrier plate to carry one of the optical fiber connection sockets to a position corresponding to an optical fiber connection plug, whereby the optical fiber connection plug can be coupled to the optical fiber connection socket connecting with an intended optical path. The present invention switches the optical path in a purely-mechanical way without using any optical component. The present invention has advantages of simple structure, low cost and low signal loss.

Abstract: An USB OTDR (Optical Time Domain Reflectometer) is disclosed to include an OTDR (Optical Time Domain Reflectometer) module adapted to test a fiber-optic in a fiber-optic transmission system, and an USB module adapted to connect the OTDR module to an external device to obtain power supply from the external device, for enabling the external device to control the OTDR module to test the linked fiber-optic and to collect feedback data.

Abstract: A COB (Chip On Board) package type bi-directional transceiver module is disclosed to include a photosensitive member bonded to a printed circuit board by COB (Chip On Board) package and adapted for receiving a first optical signal, and a light source installed by TO-can package and adapted for transmitting a second optical signal.

Abstract: An USB OTDR (Optical Time Domain Reflectometer) is disclosed to include an OTDR (Optical Time Domain Reflectometer) module adapted to test a fiber-optic in a fiber-optic transmission system, and an USB module adapted to connect the OTDR module to an external device to obtain power supply from the external device, for enabling the external device to control the OTDR module to test the linked fiber-optic and to collect feedback data.

Abstract: A COB (Chip On Board) package type bi-directional transceiver module is disclosed to include a photosensitive member bonded to a printed circuit board by COB (Chip On Board) package and adapted for receiving a first optical signal, and a light source installed by TO-can package and adapted for transmitting a second optical signal.

Abstract: A system for examining optical fibers uses a fixture including upper and lower jaws. The lower jaw has an upper surface with a convex arch and a groove passing over the convex arch, where the groove is adapted to receive and hold laterally in place an optical fiber. The upper jaw has a lower surface corresponding to the upper surface of the first lower jaw so that when the first upper jaw is fitted to the first lower jaw, an optical fiber within the groove of the first lower jaw is held in place against the convex arch. First and second orifices extend through the upper jaw and are positioned to intersect a corresponding tangent to an optical fiber held within the groove. A detector inserted within the first and second orifices detects the status of the optical fiber, including the direction of light travel within the fiber.