Abstract: The present invention relates to a wristband device for enhanced audience engagement at live events such as concerts, stage shows, conference and operas. The wristband device includes wrap-around LEDs, a haptic motor, an RFID-based chip and a control unit providing a customizable macro function. The plurality of LEDs are distributed around a band to provide 360-degree light emission for a dynamic and bright light experience. The haptic motor is used to generate a vibration sensation to either signal an alert or highlight an important aspect of the live event. The customized lighting and vibration effects are provided to the audience which are controlled by a Digital multiplex via radio frequency (RF-DMX) to enable dynamic participation of the audience to the live event.

Abstract: A computer-implemented method for populating and maintaining a local cache with archived data items is described. A request to organize archived data items into one or more bundles is sent. The one or more bundles of archived data items are downloaded to the local cache. Each of the archived data items are organized in the one or more bundles according to a time period associated with each archived data item. An index file is extracted from each of the one or more bundles. The extracted index file is inserted into a master index file.

Abstract: A housing for flammable gas detector comprises a housing body and a flame arrestor element (14 and 15). The housing body has an aperture (27) in which the flame arrestor element is located through which the interior of the housing body communicates with the outside. The housing body surrounding the aperture is molded from plastic material. The portions of the housing body that form the aperture (27) are molded around the flame arrestor element with the flame arrestor element in situ. A flammable gas detector of the type which employs a heated sensing element to oxidize any flammable gas present may be located in the housing body. Any flame front present in the housing body due to oxidation of any flammable gas is prevented from progressing to the surrounding environment by the flame arrestor element.