Abstract: A circuit includes a voltage divider circuit configured to generate a feedback voltage according to an output voltage, an operational amplifier configured to output a driving signal according to the feedback voltage and a reference voltage and a pass gate circuit including multiple current paths. The current paths are controlled by the driving signal and connected in parallel between the voltage divider circuit and a power reference node.

Abstract: An optoelectronic package structure and a method of manufacturing an optoelectronic package structure are provided. The optoelectronic package structure includes a photonic component. The photonic component has an electrical connection region, a blocking region and a region for accommodating a device. The blocking region is located between the electrical connection region and the region for accommodating a device.

Abstract: Described herein are bioaerosol detection systems and methods of use. In embodiments of bioaerosol detection systems and methods of use as described herein, systems and methods detect one or more coronaviruses and/or one or more influenza strains. In embodiments, coronaviruses according to systems and methods as described herein are SARS-CoV-2 coronavirus. In embodiments, influenza strains and/or particles according to the present disclosure are H1N1 influenza.

Abstract: A device includes a single standard cell. The single standard cell includes a first transistor region including a first extended active region extending between a first side cell boundary and a second side cell boundary opposite the first side cell boundary, and includes a plurality of source regions and one drain region. The single standard cell further includes a second transistor region including a second extended active region extending between the first side cell boundary and the second side cell boundary, and includes a source region and a single drain region.

Abstract: A lighting system includes: a power supply circuit, an AC-DC converter circuit and a wireless communication module. The wireless communication module receives an external command from a wireless communication device and generates an adjustment command according to the received external command. The adjustment command includes a luminance adjustment command and a driving power control command. The power supply circuit includes a power stage and a conversion controller circuit. The conversion controller circuit supplies a adjustable output voltage to the wireless communication module, to power the wireless communication module. The conversion controller circuit controls the power stage according to the luminance adjustment command, to adjust an output current of an output power, thereby adjusting the luminance of a light emission device.

Abstract: A flip-flop circuit includes a first latch, a second latch and a trigger circuit. The first latch is configured to set a first output signal based on at least a first input signal and a clock signal. The second latch is configured to set a second output signal based on a second input signal and the clock signal. The trigger circuit is coupled with the first latch and the second latch. The trigger circuit is configured to generate the second input signal based on at least the second output signal. The trigger circuit is configured to cause the second input signal to have a first voltage swing or a second voltage swing based on the first output signal and the second output signal. The first voltage swing is different from the second voltage swing.

Abstract: An apparatus and method are provided for performing detection of microorganisms (e.g., viruses) with high sensitivity. The apparatus and method are well suited for point-of-care (POC) testing in resource-limited regions and are capable of being operated with very little manual intervention and without the need for lab equipment. A variety of viruses can be detected with high sensitivity, including, for example, coronaviruses, Zika virus and flu viruses.

Abstract: Described herein are bioaerosol detection systems and methods of use. In embodiments of bioaerosol detection systems and methods of use as described herein, systems and methods detect one or more coronaviruses and/or one or more influenza strains. In embodiments, coronaviruses according to systems and methods as described herein are SARS-CoV-2 coronavirus. In embodiments, influenza strains and/or particles according to the present disclosure are H1N1 influenza.

Abstract: A lighting system includes: a power supply circuit, an AC-DC converter circuit and a wireless communication module. The wireless communication module receives an external command from a wireless communication device and generates an adjustment command according to the received external command. The adjustment command includes a luminance adjustment command and a driving power control command. The power supply circuit includes a power stage and a conversion controller circuit. The conversion controller circuit supplies a adjustable output voltage to the wireless communication module, to power the wireless communication module. The conversion controller circuit controls the power stage according to the luminance adjustment command, to adjust an output current of an output power, thereby adjusting the luminance of a light emission device.

Abstract: An apparatus and method for the delivery and deposition of particles air-liquid-interface (ALI) cell cultures includes a sample inlet coupled to a growth tube having interior walls that are wet. The growth tube is configured to operate at a first temperature along a first length of the tube and a second temperature along a second length positioned between the first length and a growth tube outlet. The apparatus also includes a nozzle plate having a plurality of nozzles. The exposure chamber adapted to hold cell cultures at an air-liquid interface positioned underneath the plurality of nozzles and a temperature regulator adapted to control a temperature of the exposure chamber. The apparatus also includes a controller including instructions operable to cause the controller to maintain a relative humidity within the exposure chamber by controlling at least the second temperature of the growth tube and the temperature of the exposure chamber.

Abstract: Described herein are bioaerosol detection systems and methods of use.

Abstract: A flip-flop circuit includes a first latch, a second latch and a trigger circuit. The first latch is configured to set a first output signal based on at least a first input signal and a clock signal. The second latch is configured to set a second output signal based on a second input signal and the clock signal. The trigger circuit is coupled with the first latch and the second latch. The trigger circuit is configured to generate the second input signal based on at least the second output signal. The trigger circuit is configured to cause the second input signal to have a first voltage swing or a second voltage swing based on the first output signal and the second output signal. The first voltage swing is different from the second voltage swing.

Abstract: The present invention provides a multi-load control apparatus, a slave circuit and a control method thereof. The multi-load control apparatus includes a master circuit and at least one slave circuit. The master circuit generates at least one pulse width modulation (PWM) signal according to an input signal. The slave circuit controls a power switch according to a corresponding PWM signal. The slave circuit has a primary side circuit and a secondary side circuit. The primary side circuit generates an AC PWM signal according to the corresponding PWM signal. The power switch has a control terminal which is driven according to a floating ground level which is not a constant voltage level. The power switch has a current inflow terminal and a current outflow terminal, which are connected to a corresponding load circuit in series, wherein the series circuit of the power switch and the load circuit receives an AC voltage.

Abstract: A flip-flop circuit includes a first latch, a second latch and a trigger circuit. The first latch is configured to set a first output signal based on a first input signal and a clock signal. The second latch is configured to set a second output signal based on a second input signal and the clock signal. The trigger circuit is coupled with the first latch and the second latch. The trigger circuit is configured to generate the second input signal based on at least the second output signal. The trigger circuit is configured to cause the second input signal to have different voltage swings based on the first output signal and the second output signal. The trigger circuit includes a logic circuit coupled to at least the first latch or the second latch. The logic circuit is configured to output the second output signal.

Abstract: Described herein are bioaerosol detection systems and methods of use.

Abstract: A one-to-multi multimedia stream method separately gets video and audio sources form the video and audio chips of a mobile device and reanalyzes related source data to correct the timestamp of video and audio data to ensure the synchronization of the output video and audio. Thus the incapability caused by not synchronized audio and video in stream decoding server can be solved. The present invention is configured to retrieve video and audio via mobile device without ffmpeg open source kits for format transformation, which greatly reduces operation and power consumption of CPU of mobile phone, and the mobile device can proceed one-to-multi video and audio transmission to a plurality of multimedia stream servers simultaneously.

Abstract: An AC-to-DC power converter includes a rectifier for generating a rectified voltage based on an AC voltage; an input capacitor coupled between the rectifier and a fixed-voltage terminal; a first inductive element; a first auxiliary capacitor; a first switch coupled between the input capacitor and the first inductive element; a second switch coupled between the first inductive element and the fixed-voltage terminal; a circuitry node; an auxiliary switch for coupling between the circuitry node and the first auxiliary capacitor or between the first auxiliary capacitor and the fixed-voltage terminal; a first diode; a second diode; a control signal generating circuit for controlling the first switch and the second switch; and an auxiliary switch control circuit for controlling the auxiliary switch.

Abstract: A one-to-multi multimedia stream method separately gets video and audio sources form the video and audio chips of a mobile device and reanalyzes related source data to correct the timestamp of video and audio data to ensure the synchronization of the output video and audio. Thus the incapability caused by not synchronized audio and video in stream decoding server can be solved. The present invention is configured to retrieve video and audio via mobile device without ffmpeg open source kits for format transformation, which greatly reduces operation and power consumption of CPU of mobile phone, and the mobile device can proceed one-to-multi video and audio transmission to a plurality of multimedia stream servers simultaneously.

Abstract: A method for controlling a power switch of a power converter includes: detecting whether a zero current event occurs; generating an error signal; generating an ramp signal having a slope proportional to a ratio of an on time during which of the power switch is turned on in a previous switching cycle to a time length of the previous switching cycle; comparing the ramp signal with the error signal; turning on the power switch when the zero current event occurs; and turning off the power switch and rapidly lowering the level of the ramp signal when the ramp signal is greater than or equal to the error signal.

Abstract: A set of masks corresponds to an integrated circuit layout. The integrated circuit layout includes a first cell having a first transistor region and a second transistor region, and a second cell having a third transistor region and a fourth transistor region. The first cell and the second cell adjoin each other at side cell boundaries thereof, the first transistor region and the third transistor region are formed in a first continuous active region, and the second transistor region and the fourth transistor region are formed in a second continuous active region. The set of masks is formed based on the integrated circuit layout.