The invention relates to a support component of a housing of a hazard detection center, preferably of an intrusion alarm, fire detection and/or fire extinguishing center, to an operator control panel module of a hazard detection center, to an indicator and operator control panel arrangement of a hazard detection center, to a housing of a hazard detection center and to a hazard detection center. The invention relates, in particular, to a support component of a housing of a hazard detection center, preferably of an intrusion alarm, fire detection and/or fire extinguishing center, comprising: first latching means for latching-in connection of the support component to a holding frame arranged on an inner side of a wall of the housing, wherein the first latching means are arranged in such a way that a front side of the support component faces the inner side of the wall of the housing in a latched-in state, second latching means for latching-in connection to a printed circuit board, wherein the printed circuit board is arranged on a rear side, situated opposite the front side, of the support component in the latched-in state, an operating region which has at least one operating element which is designed to be deformed out of a starting position in the direction of the rear side by an action of force.

A mounting section on which a nameplate is mounted includes a space formed between the nameplate and a bottom part of the mounting section, the space enabling the nameplate to be rotated about a fulcrum E that serves as a center of rotation, in a state with the nameplate being mounted on a casing.

An electronic device with anti-detachment structure includes a top cover, a bottom cover defining a sliding slot and a through hole mounted on the bottom cover, a bracket having a block mounted on the top cover, an elastic member mounted between the top cover and the bracket, and an offset member. The block is pushed by the offset member to bring the bracket locked into the sliding slot; when the top cover is separated from the bottom cover, the offset member is separated from the block, and the bracket leaves the sliding slot by an elastic resilience of the elastic member.

Provided are a display device and a method of manufacturing a display device. The display device includes a window; a decorative print pattern disposed on the window; a shielding layer disposed on the decorative print pattern; a transparent printing layer disposed on the shielding layer; and an infrared printing layer disposed on the transparent printing layer and not in contact with the decorative print pattern, wherein the decorative print pattern and the shielding layer include a first opening exposing the window and the transparent printing layer and the infrared printing layer overlap the first opening.

An electronic device with anti-disassembly structure includes a top cover having a first set of serrated teeth and a first through hole, a fastener receiver having a posting head and a posting body, a fixed disk having a fourth set of serrated teeth, an elastic member, a bottom cover having a second through hole, and a fastener. The posting head has a second set of serrated teeth and a third set of serrated teeth. When the top cover is separated from the bottom cover, the elastic member is compressed by the external force, and the second set of serrated teeth is separated with the first set of serrated teeth, the third set of serrated teeth engage with the fourth set of serrated teeth, and the fastener is rotated to detached from the bottom cover.

In some examples, a method of forming a logo on a device includes forming, using a laser, a pattern on an outer surface of a housing of the device, and soldering a metal to the pattern formed using the laser, the soldered metal forming the logo.

A signal generation circuit for producing an identification signal at a defined frequency. A frequency calibration circuit is electrically coupled to the signal generation circuit and is configured to set the defined frequency. The frequency calibration circuit includes a first calibration portion positioned on a first electrical subsystem and a second calibration portion positioned on a second electrical subsystem. An identification circuit is configured to process the identification signal to generate an identification result.

In one aspect, an example system implementing the disclosed techniques includes a data center rack having a left vertical flange and a right vertical flange, the data center rack divided into a plurality of U positions, wherein each U position is spaced in groups of three holes provided in the left vertical flange and the right vertical flange, and wherein the holes enable mounting of electronic devices in the data center rack. The system also includes an optically readable label provided at a U position of the plurality of U positions in the data center rack, wherein the optically readable label encodes location identifying information that can be accessed by an optical reader.

A duplex visual tester for testing multiple fiber optic cable runs includes a housing having a first LED and a second LED in a duplex fiber connection. The first LED and the second LED are in electronic communication with a power source, a battery, an on/off switch, and a timer configured to pulse the first LED and the second LED. The first LED and the second LED are installed in the duplex fiber connection. The first LED has a first color, and the second LED has a second, different color, wherein the first color and the second color have the same luminosity. Preferably, the timer pulses the first LED and the second LED at between eight and ten Hz, such that the first color and second color can be seen in the fiber optic cable run.

A faceplate assembly and a wiring device having the faceplate assembly are provided. The faceplate assembly includes a wall plate, a wiring device interface and at least one sensor. The wiring device interface has a set of electrical contacts positioned on a rear surface of the wiring device interface configured to mate with a set of contacts on the wiring device. The at least one sensor and at least a portion of the wiring device interface are embedded in the wall plate.