Abstract: Method for collecting water vapor from air as liquid water. The method includes a refrigerant compressor circulating refrigerant through a controlled dimensioned condenser into a tubing loop. A portion of the tubing loop functions as a condenser. This tube conveys the pressurized refrigerant through an expansion valve. The refrigerant pressure and temperature decreases. Ambient water vapor collects on the exterior surface of the cooled section of tube now functioning as an evaporator. The water drops from the tube surface into a reservoir for use. The tube loop extends through a multiport control valve. The method includes a control valve that cyclically and sequentially directs the refrigerant pumped from the compressor into alternate ends of the tubing loop. The cycles continually repeat. The cycles can be controlled by fluid temperature. The device can include a power supply and microprocessor controlling the generator and valves.

Abstract: Method for collecting water vapor from air as liquid water. The method includes a refrigerant compressor circulating refrigerant through a controlled dimensioned condenser into a tubing loop. A portion of the tubing loop functions as a condenser. This tube conveys the pressurized refrigerant through an expansion valve. The refrigerant pressure and temperature decreases. Ambient water vapor collects on the exterior surface of the cooled section of tube now functioning as an evaporator. The water drops from the tube surface into a reservoir for use. The tube loop extends through a multiport control valve. The method includes a control valve that cyclically and sequentially directs the refrigerant pumped from the compressor into alternate ends of the tubing loop. The cycles continually repeat. The cycles can be controlled by fluid temperature. The device can include a power supply and microprocessor controlling the generator and valves.

Abstract: Device for collecting water vapor from air as liquid water. Included is a refrigerant compressor circulating refrigerant through a controlled dimensioned condenser into a tubing loop. A portion of the tubing loop functions as a condenser. This tube conveys the pressurized refrigerant through an expansion valve. The refrigerant pressure and temperature decreases. Ambient water vapor collects on the exterior surface of the cooled section of tube now functioning as an evaporator. The water drops from the tube surface into a reservoir for use. The tube loop extends through a multiport control valve. The control valve can direct the refrigerant pumped from the compressor into alternate ends of the tubing loop. The device can include a power supply and microprocessor controlling the generator and valves. The device may utilize a switch that detects water or ice deposits on the tube. The device can comprise a moveable frame supporting all above components.

Abstract: Device for collecting water vapor from air as liquid water. Included is a refrigerant compressor circulating refrigerant through a controlled dimensioned condenser into a tubing loop. A portion of the tubing loop functions as a condenser. This tube conveys the pressurized refrigerant through an expansion valve. The refrigerant pressure and temperature decreases. Ambient water vapor collects on the exterior surface of the cooled section of tube now functioning as an evaporator. The water drops from the tube surface into a reservoir for use. The tube loop extends through a multiport control valve. The control valve can direct the refrigerant pumped from the compressor into alternate ends of the tubing loop. The device can include a power supply and microprocessor controlling the generator and valves. The device may utilize a switch that detects water or ice deposits on the tube. The device can comprise a moveable frame supporting all above components.

Abstract: A device that collects water vapor, from the ambient air, through condensation or deposition, on the surface of its unique heat exchangers, which are embodied with opposing intertwined and alternating refrigeration circuits. In a dual refrigeration circuit/dual heat exchanger configuration, one refrigeration circuit is responsible for freezing heat exchanger A and heating heat exchanger B while the other refrigeration circuit is responsible for heating heat exchanger A and freezing heat exchanger B. The alternating refrigeration circuits work together to intermittently freeze then thaw each heat exchanger. The water run-off from the thawing process is then collected for use. The condenser tubes of one refrigeration circuit are positioned proximate to the evaporator tubes of the second refrigeration circuit to facilitate the exchange of heat. The system may further comprise heat exchanger fins in contact with the tubes. Multiple pairs of heat exchangers may be utilized.

Abstract: A portable vanity lighting system has a plurality of segments comprising at least a first pair of first and second segments, the front face of each segment is provided with at least one illuminating member. The segments of each pair of segments are hingedly connected together and have securing members and recesses wherein the securing members and recesses are arranged such that the securing members are received in the recesses when the segments are moved to a closed position.

Abstract: A device that collects water vapor, from the ambient air, through condensation or deposition, on the surface of its unique heat exchangers, which are embodied with opposing intertwined and alternating refrigeration circuits. In a dual refrigeration circuit/dual heat exchanger configuration, one refrigeration circuit is responsible for freezing heat exchanger A and heating heat exchanger B while the other refrigeration circuit is responsible for heating heat exchanger A and freezing heat exchanger B. The alternating refrigeration circuits work together to intermittently freeze then thaw each heat exchanger. The water run-off from the thawing process is then collected for use. The condenser tubes of one refrigeration circuit are positioned proximate to the evaporator tubes of the second refrigeration circuit to facilitate the exchange of heat. The system may further comprise heat exchanger fins in contact with the tubes. Multiple pairs of heat exchangers may be utilized.

Abstract: One or more statements (e.g., exam questions or other statements) are varied using a machine-assisted method. A statement may be entered along with other information, which define rules (e.g., restrictions) for creating variants of the statements. Based on the rules, variants of the statements are generated. In an embodiment, each of the variants have at least some of the structure of the original statement from which the variant was derived.

Abstract: A computer monitor hood is provided having top, left side, and right side shading panels. The computer monitor hood is formed as a monolithic structure, and is made of rigid material having elastic memory. When it is first molded, the bottom edges of the left side and right side shading panels are closer together than their top edges so that, when the computer monitor hood is in place on a computer monitor, the left side and right side shading panels are biased into frictional contact with the computer monitor as a consequence of the elastic memory attempting to restore the left side and right side shading panels to their unstressed position. Thus, the computer monitor hood may be placed in any selected position on a computer monitor as a consequence of the left side and right side shading panels being biased towards and in frictional contact with the sides of the computer monitor.

Abstract: A computer monitor hood comprises top, left side and right side shading panels each having an outwardly facing surface, a monitor facing surface, front, rear, left and right side edges. A counterweight receiving portion is disposed on the computer monitor and has a first slip-resistant surface. A counterweight having a second slip-resistant surface is selectively manually placeable in any one of a plurality of front-to-rear positions on the counterweight receiving portion, with the first and second slip-resistant surfaces being in cooperating engagement one with the other so as to retain the counterweight in any selected position, thereby balancing the computer monitor hood at a selected position on the computer monitor such that the top, left side, and right side shading panels each project forwardly from the front of the computer monitor, at the respective of the top, left side, and right side surfaces of the computer monitor, so as to shade the screen of the computer monitor.

Abstract: A computer monitor hood for use in conjunction with a computer monitor having a top surface, left and right side surfaces, and a forwardly facing screen, is disclosed. The computer monitor hood comprises a top shading panel having a front edge, a rear edge, and left and right side edges. Left and right side shading panels are operatively attached to the top shading panel and are disposed in generally vertically oriented relation to the left and right side edges of the top shading panel, respectively. The left and right side shading panels each have front, rear, and bottom edges. A front-to-rear main axis extends from the front edges to the rear edges of the shading panels. When the computer monitor hood is in place on a computer monitor, the top, left and right shading panels each project forwardly from the front of the computer monitor, at the respective of the top, left side, and right side surfaces of the computer monitor, so as to shade the screen of the computer monitor.