Abstract: A microcontroller receives a LINE SYNC signal and a dimmer control voltage input and controls output switch timing of an output FET switch to generate a reverse phase PWM dimming signal for supply to associated LED driver apparatus.

Abstract: First and second LED channels of different color temperatures are connected to respective first and second FET drivers. A wall dimmer output is connected to a driver circuit and to circuitry which generates a variable DC voltage. A microcontroller is configured to employ a signal derived from the driver circuit output to generate changing PWM signals which are supplied along with the variable DC voltage to each of the first and second FET drivers to create variable mixed light color and brightness.

Abstract: An LED light fixture having adjacent interconnected light fixture modules, each comprising a power system extrusion, an LED light module body attachable to the power system extrusion, female and male end caps at opposite ends of each extrusion and respectively including a female electrical connector and a male electrical connector, a male electrical connector being configured to plug into the female electrical connector of an adjacent extrusion, and a power box component having a female electrical connector configured to plug into a male electrical connector of a male end cap.

Abstract: A microcontroller receives a LINE SYNC signal and a dimmer control voltage input and controls output switch timing of an output FET switch to generate a reverse phase PWM dimming signal for supply to associated LED driver apparatus.

Abstract: First and second LED channels of different color temperatures are connected to respective first and second FET drivers. A wall dimmer output is connected to a driver circuit and to circuitry which generates a variable DC voltage. A microcontroller is configured to employ a signal derived from the driver circuit output to generate changing PWM signals which are supplied along with the variable DC voltage to each of the first and second FET drivers to create variable mixed light color and brightness.

Abstract: A compact LED light fixture includes an LED circuit board whose top surface mounts one or more LED's and an A.C. LED Driver circuit. An input circuit board is mounted on an underside of the mounting platform. Unconditioned A.C. power from electrical cables positioned in a wire way is conducted by an electrical connector to the top surface the LED circuit board, then across and down through the top surface of the LED circuit board to the input circuit board where the A.C. power is conditioned and then conducted back through the LED circuit board to the A.C. LED driver.

Abstract: An LED light fixture having adjacent interconnected light fixture modules, each comprising a power system extrusion, an LED light module body attachable to the power system extrusion, female and male end caps at opposite ends of each extrusion and respectively including a female electrical connector and a male electrical connector, a male electrical connector being configured to plug into the female electrical connector of an adjacent extrusion, and a power box component having a female electrical connector configured to plug into a male electrical connector of a male end cap.

Abstract: A compact LED light fixture includes an LED circuit board whose top surface mounts one or more LED's and an A.C. LED Driver circuit. An input circuit board is mounted on an underside of the mounting platform. Unconditioned A.C. power from electrical cables positioned in a wire way is conducted by an electrical connector to the top surface the LED circuit board, then across and down through the top surface of the LED circuit board to the input circuit board where the A.C. power is conditioned and then conducted back through the LED circuit board to the A.C. LED driver.

Abstract: The presence of both a water sizing agent and an oil sizing agent in a paper making furnish is detrimental in that each has an adverse effect on the sizing property of the other. It has now been found that this adverse effect can be counteracted or lessened by the presence in the furnish of a polyvinylamine.