Abstract: The present invention relates to a method and device for diagnosing a defect of a collaborative robot, the method comprising the steps in which: an electronic device generates a sensing data structure for managing sensing data collected from at least one collaborative robot; the electronic device generates an operation data structure for managing operation data associated with the operation of the collaborate robot; the electronic device generates a malfunction data structure for managing malfunction data of a point in which the severity of the operation equals to or is higher than a threshold; and the electronic device stores data collected from the at least one collaborative robot in accordance with the structures. Application to other embodiments is also possible.

Abstract: The present invention provides a waterproof bib for an infant dining table, which is made of a waterproof cloth and is used by being placed under an infant's chin to prevent saliva or food, dribbled by an infant, from spilling down and staining the infant, the waterproof bib comprising: a chin rest part which is placed under a chin to cover the front side of an infant and has a fastening string connected thereto; and a table cover part which is connected to a lower portion of the chin rest part and covers an upper surface of an infant dining table when worn by an infant seated at the infant dining table.

Abstract: A cathode for an all solid-state lithium sulfur battery includes a porous conductive material, which is manufactured from a precursor containing sulfur, and contains the sulfur in a backbone and a sulfur active material, which is injected into pores of the porous conductive material.

Abstract: A cathode for an all solid-state lithium sulfur battery includes a porous conductive material, which is manufactured from a precursor containing sulfur, and contains the sulfur in a backbone and a sulfur active material, which is injected into pores of the porous conductive material.