Abstract: An antenna device includes a housing, a masking frame, and antennas. The housing includes a side wall, a bottom wall, a heat dissipation structure, and bumps. The side wall surrounds the heat dissipation structure. The bottom wall connects to an edge of the side wall and extends outwards relative to the side wall. Each one of the bumps is disposed on one of the side wall and the bottom wall. The masking frame is removably fastened on the housing and defines an accommodation space with the side wall and the bottom wall. The antennas are disposed in the accommodation space and covered by the masking frame. The bumps contact the antennas, respectively.

Abstract: A power supply device includes a casing, a battery module, and a cover. The casing has an accommodation space. The battery module is located in the accommodation space and includes a bottom frame, a plurality of battery units, and a top frame. The bottom frame is fixed to the casing, and the battery units are located between and fixed in position by the bottom frame and the top frame. The cover is mounted on the casing and covers the accommodation space.

Abstract: The invention provides a battery management device. The battery management device includes a container, a battery, and an electronic assembly. The container has an airtight space. The battery is located within the airtight space. The electronic assembly is located within the airtight space and electrically connected to the battery. The electronic assembly includes an air pressure sensor, and the air pressure sensor is configured to sense an air pressure in the airtight space.

Abstract: A device casing includes a casing body and a detachable bracket. The casing body has first and second supporting frames opposite to each other, and first and second guiding slots formed on the first supporting frame. The first guiding slot has a first open end and a first closed end. The second guiding slot has a second open end and a second closed end. The detachable bracket is detachably disposed between the first and second supporting frames and has first and second sliding posts. The first sliding post is rotatably disposed at the first closed end. The second sliding post is slidably disposed at the second closed end. By the structural constraint between the first and second guiding slots and the first and second sliding posts respectively, the detachable bracket can stably rotate relative to the casing body and can be installed onto the casing body easily.

Abstract: A pivot structure includes a first pivot element, a second pivot element, and a fixing element. The first pivot element includes a through hole. The second pivot structure includes a pivoting portion. The pivoting portion is rotatably engaged with the through hole. The fixing element is coupled with the second pivot element. The fixing element includes a first retaining portion, and the first pivot element is retained between the second pivot element and the first retaining portion.

Abstract: A device casing includes a casing body and a detachable bracket. The casing body has first and second supporting frames opposite to each other, and first and second guiding slots formed on the first supporting frame. The first guiding slot has a first open end and a first closed end. The second guiding slot has a second open end and a second closed end. The detachable bracket is detachably disposed between the first and second supporting frames and has first and second sliding posts. The first sliding post is rotatably disposed at the first closed end. The second sliding post is slidably disposed at the second closed end. By the structural constraint between the first and second guiding slots and the first and second sliding posts respectively, the detachable bracket can stably rotate relative to the casing body and can be installed onto the casing body easily.

Abstract: A chassis includes a bottom plate, a fastener and a supporting component. The bottom plate includes a screw hole. The fastener comprises a threaded portion and a smooth portion that are connected to each other, and the threaded portion is configured to be screwed into the screw hole. The supporting component includes a through hole. The smooth portion of the fastener is configured to be disposed through the through hole so that the supporting component is rotatably disposed on the bottom plate so as to include a supporting position and a stored position. The supporting component is integrated.

Abstract: This disclosure relates to a computer case configured to fix an interface card. The computer case includes a main body, a plurality of mount brackets and a framework. The main body includes a first hole and a plurality of second holes. The plurality of second holes are located at a side of the first hole. The plurality of mount brackets are located at the first hole. The framework is conductive. The framework includes a plurality of protrusion portions and a plurality of main portions. The plurality of protrusion portions are connected to the plurality of main portions and are respectively inserted in the plurality of second holes. The framework is disposed on the main body via the plurality of protrusion portions. The plurality of main portions are respectively in contact with the plurality of mount brackets.

Abstract: A power adapting box and a fan module are provided. The power adapting box includes a box body, a plurality of first power adapters, an expansion socket and a plurality of second power adapters. The first power adapters are disposed in the box body. The expansion socket is detachably disposed in the box body. The second power adapters are disposed in the expansion socket.

Abstract: A power adapting box and a fan module are provided. The power adapting box includes a box body, a plurality of first power adapters, an expansion socket and a plurality of second power adapters. The first power adapters are disposed in the box body. The expansion socket is detachably disposed in the box body. The second power adapters are disposed in the expansion socket.

Abstract: A fastening device for fastening at least one storage device includes a bracket and a cover plate. The bracket has an accommodating space, a first opening and a second opening. The bracket is formed as a hollow rectangular structure and an assembly rail is disposed at opposite inner side walls of the bracket. The at least one storage device is accommodated in the accommodating space through two sides of the assembly rail. The cover plate is disposed on a side of the bracket and covers the first opening of the bracket. The bracket and the cover plate are engaged with each other, such that an appearance of the fastening device conforms to Peripheral Component Interconnect (PCI) standard.

Abstract: An electronic device includes a casing and a rotary flap door device. The rotary flap door device is installed inside the casing and includes a base plate and a door member. The base plate is mounted on the casing. A base constraining structure and a base engaging structure are formed on the base plate. The door member includes a door body, a door limit part and a door engaging portion. The door body is rotably disposed on the base plate. The door limit part extends from the door body and is for embedding into the base limit part. The door engaging portion protrudes from the door body and is for engaging with the base engaging portion.

Abstract: An electronic device includes a casing and a rotary flap door device. The rotary flap door device is installed inside the casing and includes a base plate and a door member. The base plate is mounted on the casing. A base constraining structure and a base engaging structure are formed on the base plate. The door member includes a door body, a door limit part and a door engaging portion. The door body is rotably disposed on the base plate. The door limit part extends from the door body and is for embedding into the base limit part. The door engaging portion protrudes from the door body and is for engaging with the base engaging portion.