Abstract: In various implementations, frost in a vapor compression system may be controlled. A property of a fan may be determined. A determination may be made whether a frost event and/or a nonfrost event has occurred based at least partially on the determined fan property.

Abstract: Methods and apparatus for translating a continuous-delivery delivery profile into a plurality of periodic bolus deliveries.

Abstract: A linear liquid level sensing system (10) comprises a vessel (20), an electrically conductive liquid (30) contained within the vessel (20), and a collector (40) spanning a vertical distance corresponding to the desired-level-determining range. An insulator (50) encases the collector (40) to define a dielectric gap between it and the fluid (30), with the insulated area in contact with the fluid (30) correlating with the fluid level. A single electrical line (60) connects the collector (40) to both a voltage-supplying source (70) and a charge-sensing device (80).

Abstract: Methods and apparatus for translating a continuous-delivery delivery profile into a plurality of periodic bolus deliveries.

Abstract: Methods and apparatus for translating a continuous-delivery delivery profile into a plurality of periodic bolus deliveries.

Abstract: Methods and apparatus for translating a continuous-delivery delivery profile into a plurality of periodic bolus deliveries.

Abstract: Methods and apparatus for translating a continuous-delivery delivery profile into a plurality of periodic bolus deliveries.

Abstract: A fault protected aircraft heated floor panel is provided. The floor panel includes upper and lower floor panel skins and an electro-resistive heater element interposed between the upper and lower floor panel skins. The floor panel further includes a controller for controlling current delivered to the heater element, the controller including a ground fault interrupt circuit that detects excess reactive current provided to the heater element. The controller interrupts the current delivered to the heater element as a result of the ground fault interrupt circuit detecting the excess current.

Abstract: A loudspeaker, such as a subwoofer, is provided which automatically calibrates itself when placed in a room to optimize an output signal of the loudspeaker for the room in which the loudspeaker is placed.

Abstract: A digital audio speaker system for a digital audio player that includes a housing and a control unit positioned in the housing. An amplifier is positioned in the housing and connected with the control unit and a speaker system. A frame assembly is positioned in the housing that includes a motorized drive assembly. A drawer assembly is movably connected with the motorized drive assembly. The motorized drive assembly is operable to move the drawer assembly between an open position and a closed position.

Abstract: A method for assigning a remote control to an ambulatory medical device includes generating and transmitting user inputs from a remote control to an ambulatory medical device, and receiving and processing the user inputs to determine whether the user inputs represent a sequence authorizing an assignment of the remote control to the ambulatory medical device.

Abstract: A low noise solid state thermostat is provided which includes a thermostat input operatively configured to be coupled to a temperature sensor; a comparator for comparing an output of the temperature sensor to a predefined setpoint temperature; and solid-state switching circuitry operatively coupled to the comparator for selectively switching current to a thermostat output based on the comparison by the comparator, wherein the comparator comprises a microprocessor for comparing the output of the temperature sensor to the predefined setpoint temperature, the predefined setpoint temperature being programmed into a memory accessible by the microprocessor.

Abstract: A low noise solid-state thermostat is provided designed to operate on AC power over a wide range of frequencies (e.g., from 0 Hertz (Hz) to 1000 Hz). The thermostat incorporates a soft start turn ON/OFF feature which reduces electromagnetic emissions (e.g., EMI). In addition, the thermostat is designed to provide common mode noise cancellation. Moreover, the thermostat uses state of the art complementary metal-oxide-semiconductor (CMOS) and metal-oxide-semiconductor field effect transistor (MOSFET) technology which improves reliability over conventional mechanical relays and thermostats. Custom temperature set points and custom temperature hysteresis can be selected at the time of production and/or subsequent to production.

Abstract: A low noise solid-state thermostat is provided designed to operate on AC power over a wide range of frequencies (e.g., from 0 Hertz (Hz) to 1000 Hz). The thermostat incorporates a soft start turn ON/OFF feature which reduces electromagnetic emissions (e.g., EMI). In addition, the thermostat is designed to provide common mode noise cancellation. Moreover, the thermostat uses state of the art complementary metal-oxide-semiconductor (CMOS) and metal-oxide-semiconductor field effect transistor (MOSFET) technology which improves reliability over conventional mechanical relays and thermostats. Custom temperature set points and custom temperature hysteresis can be selected at the time of production and/or subsequent to production.

Abstract: A process for pressure splitting glycerides into fatty acids and glycerols involving the steps of: (a) providing a glyceride feedstock; (b) providing a hydrolytic lipase enzyme; (c) providing an alkaline earth metal selected from the group consisting of calcium, magnesium, and mixtures thereof; (d) mixing components (a)-(c) in the presence of water and with agitation, at a temperature ranging from about 50 to about 60.degree. C. to form a partially hydrolyzed glyceride feedstock; (e) introducing the partially hydrolyzed glyceride feedstock into a pressure splitter; and (f) splitting the partially hydrolyzed glyceride feedstock in the pressure splitter into carboxylic acids and glycerols.

Abstract: This invention relates to the field of process variable measuring and display devices and portable power supplies for process variable display devices. This invention can be used to measure and display any process variable, including pressure, temperature, volume, and flow rate. Specifically, this invention relates to an electronic process variable measuring device electronically coupled to a battery powered process variable display device which displays both a bar graph trend indication of the process variable and a digital display of the process variable. In a preferred embodiment, the process variable display device is totally self-contained, including the battery operated power supply.