Abstract: A fusion splicer is disclosed. The fusion splicer includes a fusion splicing unit that fusion splices of optical fibers, a communication unit that communicates through wireless connection with an external terminal, and a setting unit that sets a fusion condition of the fusion splicing unit. The communication unit acquires information related to the fusion condition of the fusion splicing unit from the external terminal. The setting unit sets the fusion condition of the fusion splicing unit based on the acquired information related to the fusion condition. The fusion splicing unit fusion splices in accordance with the fusion condition set by the setting unit.

Abstract: A deterioration estimation method according to one embodiment is a deterioration estimation method for estimating deterioration of a blade of an optical fiber cutter that cuts an optical fiber. The deterioration estimation method includes a process of determining a state of an end face of the optical fiber cut by the blade and a process of estimating from a determination result for the end face whether or not the blade is deteriorated.

Abstract: A fusion splicing system according to one embodiment includes: first and second electrodes that fusion-splice optical fibers by discharge; a fusion splicing device that has a discharge circuit that outputs a control signal to the first electrode and receives a feedback signal of the control signal from the second electrode; and a deterioration determination unit that determines from a state of the feedback signal whether or not the first electrode and the second electrode are deteriorated.

Abstract: A fusion splicer according to the disclosure includes an imaging unit, a discrimination unit, and a splicing unit. The imaging unit images a pair of optical fibers and generates imaging data. The discrimination unit discriminates a type of each of a pair of optical fibers based on a plurality of feature amounts obtained from imaging data provided from the imaging unit. The discrimination unit adopts a discrimination result by any of first and second discrimination algorithms. The first discrimination algorithm is predetermined by a method other than machine learning. The second discrimination algorithm includes a discrimination model. The discrimination model is created by machine learning using sample data. The splicing unit fusion-splices the pair of optical fibers to each other under a splicing condition according to a combination of the types of pair of optical fibers based on a discrimination result in the discrimination unit.

Abstract: A fusion splicer includes an irradiation unit to irradiate an optical fiber with first wavelength light and second wavelength light; a light receiving unit; a processing unit to extract first feature data from first luminance information based on the first wavelength light and to extract second feature data from second luminance information based on the second wavelength light; a determination unit to determine whether the first feature data and the second feature data are within a predetermined range; and a drive unit to move one optical fiber on the basis of the luminance information from which the feature data is extracted so as to arrange the axes of the optical fibers in a predetermined positional relationship when the feature data is determined to be within the predetermined range. The processing unit extracts the second feature data when the first feature data is not within the predetermined range.

Abstract: This fusion splicing system includes a model creation device and a plurality of fusion splicers. The model creation device creates a determination model by performing machine learning using sample data indicating a correspondence relationship between feature amounts obtained from imaging data of optical fibers and types of the optical fibers. Each fusion splicer has an imaging unit, a determination unit, and a splicing unit. The imaging unit generates imaging data. The determination unit inputs feature amounts to the determination model and determines a type of each of the pair of optical fibers. The splicing unit fusion splices the pair of optical fibers on splicing conditions based on determination results. The model creation device creates the determination model by classifying the plurality of fusion splicers into two or more groups each estimated to have similar tendencies in the imaging data and collecting the sample data for each group.

Abstract: A system for releasing locking of a fusion splicer includes a fusion splicer, an information terminal, and a server. The fusion splicer locks a fusion-splicing function in accordance with a predetermined lock condition and releases the locked function in accordance with a release command input. The server includes a storage unit that stores authentication information provided by a user of the fusion splicer, a collation unit that collates authentication information provided from the information terminal with the authentication information stored in the storage unit, and a password issuance unit that issues a one-time password including at least a date in an algorithm when a collation result is favorable. The information terminal authenticates the one-time password in consideration of a day difference or a time difference between the information terminal and the server and applies the release command to the fusion splicer when an authentication result is favorable.

Abstract: A fusion splicer is disclosed. The fusion splicer includes a fusion splicing unit that fusion splices of optical fibers, a communication unit that communicates through wireless connection with an external terminal, and a setting unit that sets a fusion condition of the fusion splicing unit. The communication unit acquires information related to the fusion condition of the fusion splicing unit from the external terminal. The setting unit sets the fusion condition of the fusion splicing unit based on the acquired information related to the fusion condition. The fusion splicing unit fusion splices in accordance with the fusion condition set by the setting unit.

Abstract: A fusion splicing system includes a fusion splicer configured to perform fusion splicing of optical fibers, and a server configured to receive fusion splicing data pertaining to the fusion splicing from an information terminal capable of communicating with the fusion splicer, or the fusion splicer via a communication network. The fusion splicing data includes first identification information for identifying a project to which the fusion splicing belongs. The server retains second identification information related to a registered project registered in advance, compares the first identification information with the second identification information, and interrelates the fusion splicing data with the registered project indicated by the second identification information when the first identification information coincides with the second identification information.

Abstract: A device for fusion splicing, by an arc discharge, a pair or a plurality of pairs of optical fibers arranged so that end surfaces thereof face each other. An optical fiber arrangement portion positions the pair or the plurality of pairs of optical fibers between a pair of electrodes. A control portion controls a voltage applied to the pair of electrodes. The control portion generates a first discharge between the pair of electrodes, stops the first discharge between the pair of electrodes, and then generates an arc discharge between the pair of electrodes to fusion-splice the pair or the plurality of pairs of optical fibers to each other. A discharge time of the first discharge is 200 milliseconds or less. A time from stopping the first discharge to starting the arc discharge is 100 milliseconds or less.

Abstract: A fusion splicer is disclosed. The fusion splicer includes a fusion splicing unit that fusion splices of optical fibers, a communication unit that communicates through wireless connection with an external terminal, and a setting unit that sets a fusion condition of the fusion splicing unit. The communication unit acquires information related to the fusion condition of the fusion splicing unit from the external terminal. The setting unit sets the fusion condition of the fusion splicing unit based on the acquired information related to the fusion condition. The fusion splicing unit fusion splices in accordance with the fusion condition set by the setting unit.

Abstract: A fusion splicing device includes a fusion splicing unit, a fusion splicing control unit, an imaging unit, and a notification unit. The fusion splicing unit fusion-splices optical fibers by discharge between a pair of electrode rods. The fusion splicing control unit controls an operation of the fusion splicing unit and has an operation mode for performing a discharge test. The imaging unit generates image data of a fusion spliced portion of the optical fibers. The notification unit notifies various kinds of information. The discharge test is to fusion-splice the optical fibers, to check a fusion-spliced state of the optical fibers on the basis of the image data, and to adjust a fusion splicing condition to be close to an optimum condition. When a predetermined start condition is satisfied, the fusion splicing control unit causes the notification unit to notify information for requesting execution of the discharge test.

Abstract: A fusion splicer includes an irradiation unit to irradiate an optical fiber with first wavelength light and second wavelength light; a light receiving unit; a processing unit to extract first feature data from first luminance information based on the first wavelength light and to extract second feature data from second luminance information based on the second wavelength light; a determination unit to determine whether the first feature data and the second feature data are within a predetermined range; and a drive unit to move one optical fiber on the basis of the luminance information from which the feature data is extracted so as to arrange the axes of the optical fibers in a predetermined positional relationship when the feature data is determined to be within the predetermined range. The processing unit extracts the second feature data when the first feature data is not within the predetermined range.

Abstract: A system for releasing locking of a fusion splicer includes a fusion splicer, an information terminal, and a server. The fusion splicer locks a fusion-splicing function in accordance with a predetermined lock condition and releases the locked function in accordance with a release command input. The server includes a storage unit that stores authentication information provided by a user of the fusion splicer, a collation unit that collates authentication information provided from the information terminal with the authentication information stored in the storage unit, and a password issuance unit that issues a one-time password including at least a date in an algorithm when a collation result is favorable. The information terminal authenticates the one-time password in consideration of a day difference or a time difference between the information terminal and the server and applies the release command to the fusion splicer when an authentication result is favorable.

Abstract: A management system of a fusion splicer for selecting an appropriate maintenance base when the fusion splicer malfunctions. The management system includes a determination unit configured to determine a type of a failure mode of the fusion splicer, an acquisition unit configured to acquire position information of the fusion splicer, and a selection unit configured to select an appropriate maintenance base on the basis of the type of the failure mode determined by the determination unit and the position information of the fusion splicer acquired by the acquisition unit.

Abstract: A fusion splicer management system for managing progress of a fusion splicing work performed by each splicing technician by using a fusion splicer. This management system includes an acquisition unit, a determination unit, and a notification unit. The acquisition unit acquires fusion splicing data regarding the fusion splicing work performed by each splicing technician who uses each fusion splicer whenever each fusion splicing work is performed. The determination unit determines a progress status of each fusion splicing work by comparing the fusion splicing data with work plan data indicating a work plan. The notification unit notifies of the progress status of each fusion splicing work determined by the determination unit.

Abstract: A fusion splicer is disclosed. The fusion splicer includes a fusion splicing unit that fusion splices of optical fibers, a communication unit that communicates through wireless connection with an external terminal, and a setting unit that sets a fusion condition of the fusion splicing unit. The communication unit acquires information related to the fusion condition of the fusion splicing unit from the external terminal. The setting unit sets the fusion condition of the fusion splicing unit based on the acquired information related to the fusion condition. The fusion splicing unit fusion splices in accordance with the fusion condition set by the setting unit.

Abstract: A splicer and a method for fusion-splicing optical fibers are provided, in which the disconnection of a fusion spliced portion of optical fibers can be prevented when the windbreak cover is opened upon fusion splicing. A method for fusion-splicing optical fibers includes: holding optical fibers on optical fiber holders which are arranged on a pair of movable stages, respectively and covering the holders with a windbreak cover; and butting the optical fibers each other by bringing the pair of movable stages mutually closer; fusion-splicing the butted optical fibers together; and loosening, before opening the windbreak cover 4, the tension applied to optical fibers between the fiber holding parts and positions at which the windbreak cover contacts with the optical fibers.

Abstract: A method for fusion-splicing optical fibers and a fusion splicer are provided, which enable preventing a fusion spliced portion from disconnecting when the optical fiber is removed from the fusion splicer. A fusion-splicing method for optical fibers comprises: holding optical fibers and on optical fiber holding parts respectively provided on a pair of movable stages; butting ends of optical fibers by bringing the pair of movable stages mutually closer; fusion-splicing butted optical fibers to form a fusion spliced portion S; carrying out a proof test, the proof test including applying a tension to the fusion spliced portion S by moving the pair of movable stages so as to distance them from each other; and bringing the pair of movable stages mutually closer by a predetermined distance upon completion of the proof test.

Abstract: A method for fusion-splicing optical fibers and a fusion splicer are provided, which enable preventing a fusion spliced portion from disconnecting when the optical fiber is removed from the fusion splicer. A fusion-splicing method for optical fibers comprises: holding optical fibers and on optical fiber holding parts respectively provided on a pair of movable stages; butting ends of optical fibers by bringing the pair of movable stages mutually closer; fusion-splicing butted optical fibers to form a fusion spliced portion S; carrying out a proof test, the proof test including applying a tension to the fusion spliced portion S by moving the pair of movable stages so as to distance them from each other; and bringing the pair of movable stages mutually closer by a predetermined distance upon completion of the proof test.