Abstract: A control system for a computing device includes a control device configured to be communicatively coupled to an external network; a first actuator coupled to the control device, the first actuator being electronically operable by the control device in response to commands received by the control device via the external network; a second actuator manually operable by a local user; and a linkage system coupled to the first actuator and the second actuator. Both the first actuator and the second actuator are operable to move the linkage system from a first position to a second position to physically engage an external interface of the computing device.

Abstract: A component module for a computer device with a toolless attachment mechanism is disclosed. The component module includes a support plate and a connector insertable in a slot on a motherboard of the computer device. A rotatable latch is mounted on the support plate. The rotatable latch has a locked position engaging a locking nut on the motherboard to fix the component module to the motherboard. The rotatable latch has a released position disengaging the locking nut to allow the modular component to be released from the motherboard. The rotatable latch engages a pin on a top cover installed over the motherboard to rotate the latch to the locked position.

Abstract: A method and system for producing an adjustable resistor with a set resistance for adjusting quiescent current in a GaN transistor in a power amplifier. A quiescent current on the GaN power amplifier is measured via a test probe from a microcontroller unit on a test fixture. A resistance value is determined for output of a voltage bias value to adjust the quiescent current of the GaN transistor in the power amplifier. The resistance value is stored in an electronically adjustable resistor. The adjustable resistor is coupled to an output voltage circuit to provide voltage at the voltage vias value to a voltage bias input of the power amplifier.

Abstract: A computing system including two or more controllers, a universal asynchronous receiver-transmitter (UART) multiplexer, and a combinational logic circuit is provided. The two of more controllers include a first controller and a second controller. The first controller is configured to provide a first status signal and a first select control signal, and the second controller is configured to provide a second status signal and a second select control signal. The UART multiplexer is configured to provide UART output from at least a first UART input and a second UART input based on a UART select signal. The combinational logic circuit is configured to determine the UART select signal is one of the first select control signal or the second select control signal based at least in part on the first status signal and the second status signal.

Abstract: A method and system controls cooling system leaks in a rack. The method includes monitoring leak detection sensors positioned at computer systems and below sections of a liquid conveyance system. In response to determining if a signal was received from one of the leak detection sensors that is indicative of a leak, the leak detection sensor and the corresponding one of the plurality of computer systems associated the received signal is determined. Power is disconnected to the corresponding one of the computer systems and a signal is transmitted to implement moving first and second valves from open to closed positions. The first valve is positioned within the liquid conveyance system between a hot rack manifold and a thermal contact structure associated with the computer system associated with the received signal. The second valve is positioned within the liquid conveyance system between a cool rack manifold and the thermal contact structure.

Abstract: A structured light projection system is provided. The structured light projection system includes a condenser lens group, a light source, a mask, an imaging component, and a holder. The condenser lens group includes a first end and a second end. The light source is disposed on the first end of the condenser lens group. The light source emits a light. The imaging component projects the light passing through the mask onto a target element. The holder is disposed on the second end of the condenser lens group. The holder holds the mask and the imaging component. The light emitted by the light source sequentially passes through the condenser lens group, the mask, and the imaging component.

Abstract: An antenna structure includes a feeding radiation element, a first grounding radiation element, a second grounding radiation element, a connection radiation element, an extension radiation element, and a dielectric substrate. The feeding radiation element has a feeding point. The first grounding radiation element has a first grounding point. The first grounding radiation element is adjacent to the feeding radiation element. The second grounding radiation element has a second grounding point. The connection radiation element is coupled between the first grounding radiation element and the second grounding radiation element. The extension radiation element is coupled to the connection radiation element. A closed slot is surrounded by the connection radiation element and the extension radiation element.

Abstract: A method for detecting people entering and leaving a field is provided. The method includes receiving, by a receiver arranged above an entrance, measurement signals transmitted by a transmitter equipped on a person, wherein the receiver has a first receiving antenna and a second receiving antenna, and the first receiving antenna and the second receiving antenna are dual-polarized antennas. The method includes obtaining a signal strength indication (RSSI) of the transmitter and orientation information according to the measurement signals by the receiver, wherein the orientation information includes phase differences of the measurement signals and/or angles of arrival (AoAs) of the transmitter relative to the receiver. The method includes receiving, by a main console, the RSSI and the orientation information from the receiver, and determining whether the person passes through or does not pass through the entrance according to a preset number of RSSIs and the orientation information.

Abstract: A communication device includes a ground plane, an antenna structure, a cable, a connection metal element, and a dielectric substrate. The antenna structure has a feeding point. The cable includes a feeding conductor and a grounding conductor. The feeding conductor is coupled to the feeding point. The grounding conductor includes a first conductive region and a second conductive region. The connection metal element is coupled between the first conductive region and the second conductive region of the grounding conductor. The antenna structure and the connection metal element are disposed on the dielectric substrate. The cable is adjacent to the ground plane. Neither the first conductive region nor the second conductive region of the grounding conductor is coupled to the ground plane.

Abstract: A sled for a server device is disclosed. The sled includes a sled housing and a push-pull mechanism. The sled housing has a first side wall that is parallel to a second side wall, and a space is formed between the first side wall and the second side wall. The push-pull mechanism includes a first mechanism coupled to the first side wall and a second mechanism coupled to the second side wall. The push-pull mechanism is configured to facilitate pushing the sled into and pulling the sled from a chassis of the server device. The pushing results in a lead-in lock position, and the pulling results in a lead-out lock position. Also disclosed is a server device having a chassis in which the sled is configured to be pushed into and pulled from the chassis.

Abstract: An antenna structure includes a metal mechanism element, a first radiation element, a second radiation element, an impedance element, and a dielectric substrate. The metal mechanism element has a slot. The first radiation element has a first feeding point. The second radiation element has a second feeding point. The impedance element is coupled to the metal mechanism element. The impedance element is disposed between the first radiation element and the second radiation element. The dielectric substrate is adjacent to the slot of the metal mechanism element. The first radiation element, the second radiation element, and the impedance element are disposed on the dielectric substrate. The impedance element is configured to increase the isolation between the first radiation element and the second radiation element.

Abstract: An antenna structure includes a feeding radiation element, a first radiation element, a second radiation element, a third radiation element, a fourth radiation element, a fifth radiation element, and a sixth radiation element. The first radiation element and the second radiation element are coupled to the feeding radiation element. The third radiation element is coupled to a ground voltage. The third radiation element is adjacent to the feeding radiation element. The fourth radiation element is coupled to the third radiation element. The fourth radiation element is adjacent to the first radiation element. The first radiation element is partially surrounded by the fourth radiation element. The fifth radiation element is coupled to the third radiation element. The fifth radiation element is adjacent to the second radiation element. The sixth radiation element is coupled to the ground voltage. The sixth radiation element is adjacent to the feeding radiation element.

Abstract: A cage divider that is adaptable for different E3.S modules for insertion in a slot of a computing device is disclosed. The cage divider is one of a pair of cage dividers that define a cage enclosure for insertion of the E3.S modules. Each of the cage dividers includes a first side component plate attachable to the backplane of the cage enclosure. Each of the dividers includes a second side component parallel to the first side component and attached to the first side component. Each of the dividers includes an adjustable accessory held between the first side component and the second side component. The adjustable accessory is configured to be attached in a first position allowing accommodation of a first E3.S module or a second position allowing accommodation of a second E3.S module.

Abstract: A hybrid cooling system is disclosed that combines a liquid coolant cycle and a refrigerant cycle to efficiently and effectively transfer heat away from a heat-generating component of a computing device. The liquid coolant cycle pumps a liquid coolant through a cold plate to extract heat from the heat-generating component. The heated liquid coolant passes through a coolant-to-refrigerant heat exchanger, where refrigerant from the refrigerant cycle absorbs the heat from the liquid coolant. The heated refrigerant passes through a compressor to a condenser, where the high-pressure, heated refrigerant is cooled by air passing over the condenser. The hybrid cooling system enables cooling of a heat-generating component better than by non-hybrid cooling systems.

Abstract: A safety mechanism circuit is provided. The safety mechanism circuit is disposed on a motherboard which includes a connector to be connected to a function circuit. In response to the function circuit being coupled to the connector, a detection circuit detects the voltage level of a contact terminal. In response to the voltage level of the contact terminal not being equal to a predetermined level, an operating circuit enters a safety mode to perform a safety operation. In response to the voltage level of the contact terminal being equal to the predetermined level, the operating circuit enters a normal mode to stop performing the safety operation.

Abstract: An electronic device includes a battery device, a capacity measuring unit, and a microprocessor. The battery device outputs its remaining capacity and fully charged capacity. The capacity measuring unit includes a sensing resistor, measures the battery current of the battery device using the sensing resistor, and integrates the battery current to obtain the actual capacity. The microprocessor stores the fully charged capacity. When the battery device is in a specific state, the microprocessor calculates the capacity difference between the remaining capacity and the actual capacity. The microprocessor calibrates the fully charged capacity according to the ratio of the capacity difference to the remaining capacity.

Abstract: An antenna structure includes a ground element, a feeding radiation element, a connection radiation element, a conductive via element, a first radiation element, a second radiation element, a third radiation element, and a nonconductive support element. The feeding radiation element is coupled through the connection radiation element to the ground element. The conductive via element is coupled to the feeding radiation element. The first radiation element, the second radiation element, and the third radiation element are coupled to the conductive via element. A slot is formed between the first radiation element and the second radiation element. The nonconductive support element has a first surface and a second surface which are opposite to each other. The conductive via element penetrates the nonconductive support element. The ground element, the feeding radiation element, and the connection radiation element are disposed on the first surface of the nonconductive support element.