Abstract: An integrated circuit device may include a programmable fabric die having programmable logic fabric and configuration memory that may configure the programmable logic fabric. The integrated circuit device may also include a base die that may provide fabric support circuitry, including memory and/or communication interfaces. The first die and the second die may be coupled using a multi-purpose interface that may allow communication between the first die and the second die. The multi-purpose interface may allow concurrent access to the base die by the programmable logic fabric and the configuration memory by using multiple channels over the multi-purpose interface.

Abstract: A method for operating a system level interconnect in an integrated circuit (IC) is provided in an example embodiment. The method comprises: writing, by a microcontroller in the IC, a first configuration value into a configuration register, where the first configuration value programs the system level interconnect to couple a first peripheral to a second peripheral; monitoring the IC to determine an operational state of the IC; and in response to determining a change in the operational state of the IC, writing by the microcontroller a second configuration value into the configuration register to dynamically change interconnections in the system level interconnect between the first peripheral and the second peripheral.

Abstract: A clock driver circuit. In some embodiments the clock driver circuit includes an output stage, a first voltage source, and an output impedance adjusting circuit. The output stage includes a first transistor connected to the first voltage source and to an output of the drive circuit. The drive circuit is configured to operate in one of, at least, a first state, and a second state. The output impedance adjusting circuit is configured to reduce a difference between an output impedance of the drive circuit in: the first state, in which the first transistor is turned on and the first voltage source is at a first supply voltage, and the second state, in which the first transistor is turned on and the first voltage source is at a second supply voltage different from the first supply voltage.

Abstract: A mode switching circuit is configured to change a signal path in a light-emitting diode (LED) tube lamp and comprises: at least one switch, configured to receive a filtered signal as a driving signal to drive an LED module in the LED tube lamp to emit light, and when a frequency of an external driving signal received by the LED tube lamp is higher than a mode switching frequency, output the driving signal to the LED module. The LED tube lamp comprises an auxiliary power module coupled to provide auxiliary power for the LED module to emit light; and the mode switching circuit is on a printed circuit board and is electrically connected to the LED module on a bendable circuit sheet in the LED tube lamp, wherein the bendable circuit sheet is disposed below the printed circuit board to be electrically connected to the printed circuit board by soldering.

Abstract: An LED tube lamp comprises an LED module for emitting light; a rectifying circuit for rectifying an input external driving signal to produce a rectified signal; and a ballast interface circuit coupled to the LED module and comprising a detection circuit configured to determine that the external driving signal is a high frequency or high voltage signal when the voltage level of the rectified signal is higher than a predefined first threshold level. The ballast interface circuit causes an open circuit for the LED module when the voltage level of the rectified signal is higher than a predefined second threshold level but lower than the predefined first threshold level. And the ballast interface circuit causes current conduction in the LED module when the voltage level of the rectified signal, as based on an external driving signal from an inductive ballast, is lower than the predefined second threshold level.

Abstract: Systems and methods are provided for Planar Ultrawideband Modular Antenna (PUMA) arrays that use slots as primary radiating mechanisms. Slot-based PUMA arrays in accordance with an embodiment of the present disclosure can achieve approximately the same performance as dipole-based PUMA arrays. Systems and methods according to embodiments of the present disclosure enable wideband slot-based antenna arrays that can be planar printed using etched metallic traces and plated through vias, have a single input per unit cell, and have unit cells that are coupled to radiating slot(s) that are continuous across multiple unit cells.

Abstract: A tunable antenna includes a base supporting a support and hollow tube opposing and spaced apart from one another, and spaced-apart and parallel plates. Each plate is coupled only at one end thereof to one of the support and hollow tube. One of the plates located furthest from the base extends past the hollow tube and is spaced apart therefrom. A shaft extends through the hollow tube and the one plate extending past the hollow tube. A tuning plate is coupled to the end of the shaft. A tuning piston is coupled to the shaft and is adapted for movement within the hollow tube where such movement changes the resonant frequency of the antenna.

Abstract: An embodiment of the disclosure provides a light source apparatus including a light-emitting module and a control unit. The light-emitting module is configured to provide a light. The control unit is configured to change proportion of a first sub-light and a second sub-light to form the light so that a circadian action factor (CAF) and a correlated color temperature (CCT) of the light varies along a CAF vs. CCT locus of the light different from a CAF vs. CCT locus of sunlight. A CAF vs. CCT coordinate of one of the first sub-light and the second sub-light is below the CAF vs. CCT locus of sunlight, and a CAF vs. CCT coordinate of the other one of the first sub-light and the second sub-light is above the CAF vs. CCT locus of sunlight. A display apparatus is also provided.

Abstract: Various embodiments of the present technology may provide methods and apparatus for an interface. The interface may be configured as a low-voltage, bi-directional channel redriver having a transmitter and a receiver that share input pads and output pads. The interface may provide for selective biasing of the transmitter and receiver using a switching circuit and a resistance circuit connected to the channel's input and output pads.

Abstract: Systems and methods are provided herein for current regulation. An example system controller includes: a first controller terminal configured to receive an input voltage, the first controller terminal being further configured to allow a first current flowing into the system controller based at least in part on the input voltage in response to one or more switches being closed; a second controller terminal configured to allow the first current to flow out of the system controller through the second controller terminal in response to the one or more switches being closed; a fourth controller terminal coupled to the third controller terminal through a first capacitor, the first capacitor not being any part of the system controller; and an error amplifier configured to generate a compensation signal based at least in part on the current sensing signal, the error amplifier including a second capacitor.

Abstract: A vehicle-mounted antenna device includes an antenna, an electronic component, a coaxial cable and a shielding member. The electronic component is electrically isolated from the antenna. The electronic component has a coaxial connector including an inner terminal and an outer terminal. The coaxial cable has one end connected to the coaxial connector. The shielding member is grounded to a vehicle body being ground. The shielding member is configured to block at least part of noise generated from the electronic component from reaching the antenna. The coaxial cable includes an inner conductor connected to the inner terminal and an outer conductor connected to the outer terminal. The electronic component is electrically connected to the shielding member via only the outer terminal.

Abstract: A programmable logic device including an asynchronous circuit is provided. The programmable logic device includes a lookup table, a first circuit, and a second circuit. The first circuit receives a first signal and a second signal. The second circuit sends a third signal. The first circuit sends a fourth signal and a fifth signal, when receiving the third signal. The fourth signal has the same logic as the first signal. The fifth signal has the same logic as the second signal. The lookup table sends a sixth signal and a seventh signal, when receiving the fourth signal and the fifth signal. The second circuit sends an eighth signal, when receiving the sixth signal and the seventh signal. The first circuit sends a ninth signal, when receiving the eighth signal. The lookup table includes a memory. The sixth signal and the seventh signal are generated from data stored in the memory.

Abstract: A method for manufacturing a sensor having an ultra-high-frequency antenna printed on a receiving area on a first face of a printed circuit board. The first face of the board is inserted into a first housing portion with a seal and a compression element, the seal surrounding the receiving area while a first space remains free in the portion. A second face of the board is inserted into a second housing portion and the portions are pressed together, a second space remaining free. Then, polyurethane is injected into the first and second spaces, the seal preventing the polyurethane from penetrating into the receiving area.

Abstract: A light-emitting device has a stabilizing-current circuit, a current source having a high electron mobility transistor, and a light source electrically connected to the stabilizing-current circuit and the current source.

Abstract: The contemplated system allows users to engage in a recording activity with studio quality light. Because the system is portable and easily deployable, the system can be carried to and quickly set up by the user in any location where the recording will occur. The system includes a lighting instrument that can be installed on the display with the web camera exposed. The lighting instrument includes a light source configuration that can reduce lens flare. The system allows for operation as a dock station when not deployed. The contemplated method allows users to operate the system. The method helps the user achieve the optimal light intensity and angle for the recording area with reduced time and efforts. The method may consider distance, ambient light, location of the subject and other factors in its determination. The method allows users to further adjust the intensity and angle if necessary.

Abstract: According to a first aspect disclosed herein, there is provided a controller for controlling a first light source to emit light into a pupil of a human user in order to reduce at least one biological effect of light from a second light source on the human user, the controller comprising: a first input for receiving light property data indicating a property of the light from the second light source, said property being of a type which causes a biological effect on the human user; a second input for receiving pupil data indicating a size of the pupil of the human user; an output for sending control commands to the first light source; a processor configured to: determine, using the light property data received via the first input, that the light from the second light source has said property; in response to said determination that the light from the second light source has said property, determine, using said pupil data received via the second input, a current size of the pupil; and on condition that the current

Abstract: An I2C and Manchester multiple serial interface LED driver programmer has a programmer that changes the operation parameters in the EEPROM of the LED driver via a computer graphic user interface. The LED driver operation is thus programmed according to the parameters stored in the EEPROM. The multiple interfaces are selectable as USB-to-I2C, RS232-to-I2C, USB-to-TxD/RxD, RS232-to-TxD/RxD and 3rd via a pass through USB-to-USB port for expanded LED programming interface such as Near Field Communication. The I2C and Manchester multiple serial interface LED driver has multiple output interface with USB-to-I2C, RS232-to-I2C, USB-to-TxD/RxD, RS232-to-TxD/RxD and third pass through USB-to-USB port for Near Field Communication interface.

Abstract: Systems and methods are provided herein for current regulation. An example system controller includes: a first controller terminal configured to receive an input voltage, the first controller terminal being further configured to allow a first current flowing into the system controller based at least in part on the input voltage in response to one or more switches being closed; a second controller terminal configured to allow the first current to flow out of the system controller through the second controller terminal in response to the one or more switches being closed; a fourth controller terminal coupled to the third controller terminal through a first capacitor, the first capacitor not being any part of the system controller; and an error amplifier configured to generate a compensation signal based at least in part on the current sensing signal, the error amplifier including a second capacitor.

Abstract: An antenna structure includes a substrate, a vertical radiator, a reflective structure and a horizontal metal branch. The vertical radiator is in the substrate. The reflective structure is laterally disposed external to the vertical radiator. The horizontal metal branch is coupled to the reflective structure.

Abstract: An antenna structure is provided. The antenna structure includes at least one feeder, a plurality of dielectric substrates, a plurality of conductive plates disposed between the plurality of dielectric substrates, the plurality of conductive plates including at least one opening, and a radiator electrically connected to the at least one feeder through conductive vias in the plurality of dielectric substrates and the plurality of conductive plates. The radiator includes a plurality of first parasitic conductive plates spaced apart from each other, and a second parasitic conductive plate disposed between the plurality of first parasitic conductive plates, the second parasitic conductive plate being spaced apart from the plurality of first parasitic conductive plates.