Abstract: An alarm management system of the present disclosure includes an alarm management apparatus, a monitoring terminal, and a controller. The alarm management apparatus generates an alarm based on information received from the controller or receives an alarm from the controller, receives information related to a filtering condition from the monitoring terminal, performs filtering on the alarm based on the filtering condition, and presents the alarm subjected to the filtering to an operator via the monitoring terminal.

Abstract: An alarm management system of the present disclosure includes an alarm management apparatus, a monitoring terminal, and a controller. The alarm management apparatus is configured to generate an alarm based on information received from the controller or receive an alarm from the controller, receive information related to a filtering condition from the monitoring terminal, perform filtering on the alarm based on the filtering condition, and present the alarm subjected to the filtering to an operator via the monitoring terminal.

Abstract: A pressure-sensitive adhesive layer-attached optical film of the present invention comprises an optical film; and a pressure-sensitive adhesive layer and made from an ammonia-containing water-dispersible pressure-sensitive adhesive, wherein the pressure-sensitive adhesive layer has an ammonia content of 10 to 500 ?g per 1 g of the pressure-sensitive adhesive layer, and shows a difference of 0 to 500 ?g per 1 g of the pressure-sensitive adhesive layer in ammonia content before and after a heat durability test and humidity durability test, and the optical film includes a polarizing film with a degree of polarization of 99.99% or more. The pressure-sensitive adhesive layer-attached optical film has optical properties which are less changeable even in a high-temperature and/or high-humidity environment.

Abstract: The present invention provides an optical element having a new structure that can he applied to a directional diffusion film suitably with a simpler process than before. An optical element includes a plurality of through holes in a transparent film matrix. The plurality of through holes are placed in a state where axial directions thereof are approximately in parallel with one another, and the axial directions of the through holes are inclined or approximately parallel to a thickness direction of the transparent film matrix.