Abstract: The present disclosure provides an isolation integrated circuit, a carrier frequency control circuit and a modulation signal generation method. The isolation integrated circuit includes a carrier frequency generation circuit, a carrier frequency control circuit and a modulation circuit. The carrier frequency generation circuit generates a carrier frequency signal. The carrier frequency control circuit detects enabling periods and disabling periods of an input signal, controls the carrier frequency generation circuit to output the carrier frequency signal during the enabling periods, and controls the carrier frequency generation circuit to stop outputting the carrier frequency signal in the output periods of timing pulses during the disabling periods. The timing pulses are generated in response to detection of entering the disabling periods.

Abstract: An information handling system includes keyboard backlights, an embedded controller, and a processor. The embedded controller communicates with the keyboard backlights. In response to an activate keyboard backlights signal, the embedded controller turns on the keyboard backlights. In response to a deactivate keyboard backlights signal, the embedded controller turns off the keyboard backlights. The processor communicates with the embedded controller. The processor determines whether an ultrasonic waveform is received. In response to the ultrasonic waveform being received, the processors provide the deactivate keyboard backlights signal to the embedded controller. In response to the ultrasonic waveform not being received, the processor provides the activate keyboard backlights signal to the embedded controller.

Abstract: An information handling system includes a touchpad that accepts touch inputs to move a cursor on a display and that deflects at a front side to accept button inputs. A bracket is disposed between a touch detection surface and circuit board of the touchpad to bias the touch detection surface up and deflect in response to a push down as a button input. Conical spring ground devices coupled to the circuit board on opposing sides of the bracket interface with an ohmmeter included on the circuit board that detects a resistance from a first ground device through the system ground to a second ground device. Resistance across ground is applied by the touchpad processor to adjust touch detection sensitivity and avoid ghost inputs.

Abstract: A cleaning base station includes a base and a liquid injection device, the liquid injection device is mounted on a base, the liquid injection device includes a liquid injection member and a driving assembly, the liquid injection member is configured to connect to a liquid supply structure for delivering cleaning liquid, the liquid injection member have a first position and a second position; a driving assembly includes a main driving member and a rotation member, the rotation member is rotationally connected to the main driving member, the rotation member is provided with at least one arc driving groove, an outer peripheral surface of the liquid injection member is provided with a driving rod, the driving rod corresponds to the at least one arc driving groove one-in-one, and the driving rod is slidable within the arc driving groove.

Abstract: An information handling system includes a printed circuit board, a screw, and a processor. The printed circuit board includes a through hole via. The through hole via includes top and bottom sections plated with a conductive plating material, and a middle section without any conductive plating material. The screw in physical communication with the top, middle, and bottom sections of the through hole via in the printed circuit board. The processor determines whether an electrical circuit is formed between the screw, the top section of the through hole via, and the bottom section of the through hole via. Based on the determination of the electrical circuit being formed, the processor provides an indication that no intrusion has been made into the information handling system.

Abstract: An information handling system includes a printed circuit board, a screw, and a processor. The printed circuit board includes a through hole via. The through hole via includes top and bottom sections plated with a conductive plating material, and a middle section without any conductive plating material. The screw in physical communication with the top, middle, and bottom sections of the through hole via in the printed circuit board. The processor determines whether an electrical circuit is formed between the screw, the top section of the through hole via, and the bottom section of the through hole via. Based on the determination of the electrical circuit being formed, the processor provides an indication that no intrusion has been made into the information handling system.

Abstract: A touch panel device includes a face plate, a bracket, and a PCB. The face plate receives a contact. The bracket includes a permanent magnet affixed to a surface of the bracket. The PCB is positioned proximate to the bracket such that a surface of the PCB is adjacent to the bracket. The PCB includes a Hall sensor collocated proximate to the permanent magnet. The touch panel circuit is coupled to the Hall sensor. When the contact is received at the face plate, the PCB moves closer to the bracket. In response, the touch panel circuit receives a voltage from the Hall sensor, determines a force associated with the contact based upon the voltage, and triggers a haptic feedback response in the bracket.

Abstract: In one or more embodiments, one or more systems, one or more methods, and/or one or more processes may: send, by a battery management unit (BMU) of a battery of an information handling system (IHS), a request for a first amount of current to an embedded controller (EC) of the IHS; provide, by the EC, the request for the first amount of current to a charger of the IHS; receive, by the charger, the request; provide, by the charger, a second amount of current based at least on the request and based at least on a voltage measurement across a resistor of the charger; determine, by the BMU, a measurement of the second amount of current; provide, by the BMU, the measurement to the EC; determine, by the EC, that the measurement does not match the first amount of current; and provide, by the EC, an alert.

Abstract: A touch panel device includes a face plate, a force-feedback device, and a touch panel circuit. The face plate receives at a first surface a contact with the face plate. The force-feedback device includes a PCB affixed by a first surface of the PCB to a second surface of the face plate. The PCB includes a first metallic ring on a second surface of the PCB. The piezo disc includes a piezoelectric wafer and a second metallic ring. The piezo disc is adjacent to the second surface of the PCB. The touch panel circuit is coupled to the first metallic ring, the second metallic ring, and the piezoelectric wafer. The touch panel circuit determines a capacitance between the first metallic ring and the second metallic ring, determines a force associated with the contact based upon the capacitance, and triggers a haptic feedback response in the piezoelectric wafer.

Abstract: A screw boss assembly, including: a plastic substrate, including: a bottom surface including a first channel; an indented surface; a sidewall surface connecting the bottom surface and the indented surface, the sidewall surface including second channels, each of the second channels connected to the first channel; a metal insert, including: a first contacting member; second contacting member; connecting members connecting the first contacting member to the second contacting member; wherein the metal insert is coupled with the plastic substrate such that the first contacting member is positioned within the first channel and the connecting members are positioned within respective second channels.

Abstract: An information handling system motherboard integrates components through integrated wirelines, including at least some components coupled to the motherboard on opposite sides of a narrow region, such as formed by an opening that accepts a cooling fan. A bridge circuit board couples to contacts of the motherboard on opposing sides of the narrow region so that wirelines integrated in the bridge circuit board interface motherboard wirelines, thus offering greater communication density across the narrow region.

Abstract: In one or more embodiments, one or more systems, one or more methods, and/or one or more processes may: send, by a battery management unit (BMU) of a battery of an information handling system (IHS), a request for a first amount of current to an embedded controller (EC) of the IHS; provide, by the EC, the request for the first amount of current to a charger of the IHS; receive, by the charger, the request; provide, by the charger, a second amount of current based at least on the request and based at least on a voltage measurement across a resistor of the charger; determine, by the BMU, a measurement of the second amount of current; provide, by the BMU, the measurement to the EC; determine, by the EC, that the measurement does not match the first amount of current; and provide, by the EC, an alert.

Abstract: A screw boss assembly, including: a plastic substrate, including: a bottom surface including a first channel; an indented surface; a sidewall surface connecting the bottom surface and the indented surface, the sidewall surface including second channels, each of the second channels connected to the first channel; a metal insert, including: a first contacting member; second contacting member; connecting members connecting the first contacting member to the second contacting member; wherein the metal insert is coupled with the plastic substrate such that the first contacting member is positioned within the first channel and the connecting members are positioned within respective second channels.

Abstract: An information handling system motherboard integrates components through integrated wirelines, including at least some components coupled to the motherboard on opposite sides of a narrow region, such as formed by an opening that accepts a cooling fan. A bridge circuit board couples to contacts of the motherboard on opposing sides of the narrow region so that wirelines integrated in the bridge circuit board interface motherboard wirelines, thus offering greater communication density across the narrow region.

Abstract: The present invention relates to a stirring rod of hot and cold foods supplying machine and an assembled stirring unit thereof. The assembled stirring unit includes an assembled piece and a stirring blade, wherein a length direction of the assembled piece is an axial direction, a direction perpendicular to the axial direction is a radial direction, and the assembled piece has a first joining piece and a second joining piece respectively at two ends thereof in the axial direction. The stirring blade is provided on the assembled piece and extends towards the radial direction, and the stirring blade is twisted at an angle by having the radial direction as an axis. The stirring rod is formed by serially connecting multiple assembled stirring units along the axial direction.

Abstract: An information handling system motherboard integrates components through integrated wirelines, including at least some components coupled to the motherboard on opposite sides of a narrow region, such as formed by an opening that accepts a cooling fan. A bridge circuit board couples to contacts of the motherboard on opposing sides of the narrow region so that wirelines integrated in the bridge circuit board interface motherboard wirelines, thus offering greater communication density across the narrow region.

Abstract: According to an aspect, a method comprises detecting a need to change a duplex mode in a first network node from half duplex to full duplex, determining relevant neighboring network nodes of the first network node, determining duplex pairing information of the first network node, wherein the duplex pairing information of the first network node comprises duplex information of the relevant neighboring network nodes, the duplex information comprising at least information on a current duplex mode of a corresponding neighboring network node, using the duplex pairing information to determine duplex modes of the relevant neighboring network nodes, if all the relevant neighboring network nodes operate in half duplex mode, causing changing the duplex mode of the first net-work node to full duplex; and in response to the causing changing the duplex mode, causing updating information on a current duplex mode of the first net-work node.

Abstract: The present invention relates to an assembled material tube of hot and cold foods supplying machine, including a plurality of material tube bodies, in which penetrating feed channels are provided internally; each of the material tube bodies has a cooling channel provided with an inlet and an outlet to respectively and correspondingly input and output a working fluid through the cooling channel for performing thermal exchanges, whereby cooling occurs in segmentations for each of the feed channels; a plurality of temperature measurement units each of which is provided with a detecting end for detecting a temperature in the corresponding feed channel; and a plurality of heating units perform heating in segmentations for each of the feed channels. Accordingly, said machine can be separately used as hot food supplying machine or cold food supplying machine, so as to achieve the aim of using one machine for two purposes.

Abstract: Systems and methods for a hack-proof security keyboard are described. In some embodiments, a keyboard module may include a first circuit configured to detect activation of a plurality of keys and a second circuit configured to detect activation of a subset of the plurality of keys, where the second circuit overlies the first circuit. In other embodiments, a method may include detecting an electrical signal received from a secondary membrane of a keyboard, where the keyboard includes a primary membrane configured to detect individual activation of any of a plurality of keys, and where the secondary membrane is configured to output the electrical signal in response to concurrent activation of a subset of the plurality of keys. The method may also include performing a selected action in response to the detection.

Abstract: The present invention relates to a stirring rod of hot and cold foods supplying machine and an assembled stirring unit thereof. The assembled stirring unit includes an assembled piece and a stirring blade, wherein a length direction of the assembled piece is an axial direction, a direction perpendicular to the axial direction is a radial direction, and the assembled piece has a first joining piece and a second joining piece respectively at two ends thereof in the axial direction. The stirring blade is provided on the assembled piece and extends towards the radial direction, and the stirring blade is twisted at an angle by having the radial direction as an axis. The stirring rod is formed by serially connecting multiple assembled stirring units along the axial direction.