Abstract: A screen system for deployment over a surface is disclosed herein. The screen system comprises a first screen structure (550) and a second screen structure (553). Each screen structure comprises a panel element (544a,554b) attached to at least one support element (501a,501b,503a,503b), wherein the at least one support element and the panel element are attached to and configured to be rollable about a rotor (516a,516b) configured to rotate about a longitudinal axis to provide for extension and retraction thereof along a direction generally perpendicular to the longitudinal axis. The rotor of the second screen structure is configured to be moveable relative to the rotor of the first screen structure.

Abstract: An internal conductor device for a waveguide radiator, in particular for a waveguide radiator has at least one slotted waveguide, at least one support rail, at least one dielectric unit that is arranged on the at least one support rail and comprises at least one dielectric element, and has at least one internal conductor that is arranged on the at least one dielectric unit, wherein the at least one internal conductor is fixed at least substantially mechanically on the at least one dielectric element and/or that the at least one dielectric element is fixed at least substantially mechanically on the at least one support rail.

Abstract: A screen structure comprising: at least one support element comprising a bistable extendable member; a panel element attached to the at least one support element and comprising a leading edge, wherein the at least one support element and the panel element are configured to be rollable about a first longitudinal axis, to provide for extension and retraction thereof along a direction generally perpendicular to the first longitudinal axis between a first fully extended position and a second position where the at least one support element and the panel element are at least partially retracted; a handle element for extending and retracting the support element and the panel element upon application of a force to the handle element; and characterised by: at least one spacer element configured so that when the at least one support element and the panel element are in the second position, the leading edge of the panel element is substantially parallel with the first longitudinal axis.

Abstract: An internal conductor device for a waveguide radiator, in particular for a waveguide radiator with has at least one slotted waveguide, at least one support rail, with at least one dielectric unit that is arranged on the at least one support rail and comprises at least one dielectric element, and has at least one internal conductor that is arranged on the at least one dielectric unit, wherein the at least one internal conductor is fixed at least substantially mechanically on the at least one dielectric element and/or that the at least one dielectric element is fixed at least substantially mechanically on the at least one support rail.

Abstract: A screen structure comprising: at least one support element comprising a bistable extendable member; a panel element attached to the at least one support element and comprising a leading edge, wherein the at least one support element and the panel element are configured to be rollable about a first longitudinal axis, to provide for extension and retraction thereof along a direction generally perpendicular to the first longitudinal axis between a first fully extended position and a second position where the at least one support element and the panel element are at least partially retracted; a handle element for extending and retracting the support element and the panel element upon application of a force to the handle element; and characterised by: at least one spacer element configured so that when the at least one support element and the panel element are in the second position, the leading edge of the panel element is substantially parallel with the first longitudinal axis.

Abstract: A screen structure comprises at least one support element comprising a bistable extendable member; a panel element attached to the at least one support element, wherein the at least one support element and the panel element are configured to be rollable about a first longitudinal axis, to provide for extension and retraction thereof along a direction generally perpendicular to the first longitudinal axis; a handle element for extending and retracting the at least one support element and the panel element upon application of a force to the handle element, wherein when the at least one support element and the panel element are substantially fully retracted, the handle element is arrangeable in one or more first positions and in a parked position; and at least one guide element comprising a curved or angled portion which the handle element is configured to bear against and move relative to, to guide the handle element from the one or more first positions to the parked position.

Abstract: A system comprises a retractable panel structure, for example a screen/wall/divider/partition that can be rolled up and that can be unrolled. The panel structure comprises a back face (47) and a front face (48) that are spaced-apart from each other. The front face (48) is at least partly formed of an array of strips (23, 40) that are separate from each other and that move apart to allow the panel structure to be rolled up and wherein the back face (47) forms hinges that connect the strips (23, 40) together and that are capable of flexing to allow the said strips (23, 40) to move apart when the sheet is rolled up.

Abstract: Disclosed is an apparatus for determining the temperature, comprising a first temperature sensor, a second temperature sensor, and electronics which are configured to apply an electrical signal to the first temperature sensor and/or the second temperature sensor and to tap off at least one reception signal from the first temperature sensor and/or the second temperature sensor. The apparatus also comprises at least six connection lines for making electrical contact with the first temperature sensor and the second temperature sensor, wherein the connection lines are arranged and configured such that the first temperature sensor and the second temperature sensor are connected in series and can have the transmission signal applied thereto such that the first reception signal can be tapped off from the first temperature sensor and/or the second reception signal can be tapped off from the second temperature sensor.

Abstract: A drafting system unit for a drafting system of a spinning machine having a first top roller and a second top roller spaced apart therefrom, characterized in that an apron cage to which negative pressure can be applied is arranged between the first top roller and the second top roller for guiding an air-permeable apron in circulation jointly around the apron cage and an apron top roller, the apron top roller being formed by the first top roller or by a third top roller that is assigned to the apron cage and arranged on the same side as the first and second top roller in relation to the fiber band being transported. The apron cage has at least one through-opening, to which negative pressure can be applied, for applying suction air to the fiber band running between the first and second top roller, through the air-permeable apron.

Abstract: The present disclosure relates to a device for determining a temperature of a liquid. The device comprises a first temperature sensor and a reference element. The reference element is composed of a material in which a phase transformation occurs at a predetermined temperature within a temperature range relevant for operation of the device. The material remains in the solid phase. Arranged on the reference element are a first and a second electrode electrically insulated from one another. The device includes a first connection line for contacting the first electrode, and a second connection line for contacting the second electrode. The device further includes a third connection line composed of a material different from the material of the first or the second connection line. The third connection line forms with the first or the second connection line the first temperature sensor in the form of a first thermocouple.

Abstract: Disclosed is an apparatus for determining the temperature, comprising a first temperature sensor, a second temperature sensor, and electronics which are configured to apply an electrical signal to the first temperature sensor and/or the second temperature sensor and to tap off at least one reception signal from the first temperature sensor and/or the second temperature sensor. The apparatus also comprises at least six connection lines for making electrical contact with the first temperature sensor and the second temperature sensor, wherein the connection lines are arranged and configured such that the first temperature sensor and the second temperature sensor are connected in series and can have the transmission signal applied thereto such that the first reception signal can be tapped off from the first temperature sensor and/or the second reception signal can be tapped off from the second temperature sensor.

Abstract: A system comprises a retractable panel structure, for example a screen/wall/divider/partition that can be rolled up and that can be unrolled. The panel structure comprises a back face (47) and a front face (48) that are spaced-apart from each other. The front face (48) is at least partly formed of an array of strips (23, 40) that are separate from each other and that move apart to allow the panel structure to be rolled up and wherein the back face (47) forms hinges that connect the strips (23, 40) together and that are capable of flexing to allow the said strips (23, 40) to move apart when the sheet is rolled up.

Abstract: Drafting system unit having a weighting arm and to a weighting arm for a drafting system unit for drafting a fiber band at a workstation of a textile machine, said weighting arm having a support arm and a top roller body, which is detachably mounted on a retaining device connected to the support arm. In order to provide a drafting system having a weighting arm and to provide a weighting arm for a drafting system unit for drafting a fiber band at a workstation of a textile machine, which drafting system and weighting arm can, in a user-friendly manner, be inspected, repaired and/or adapted to the fiber band material to be drafted and allow the top roller bodies to be easily replaced, there is provision for the top roller body to have an actuation section, which protrudes beyond the support arm in longitudinal axis direction of the top roller body.

Abstract: The present disclosure relates to an adapter for a 2-wire field device, especially a 2-wire field device of process and/or automation technology, comprising a communication unit for, especially wireless, especially bi directional, communication with an external unit, and an energy storage unit for supply of at least the communication unit with electrical energy. According to the present disclosure, the adapter includes a first connection element for, especially electrical, contacting of the adapter with a second, first connection element complementary, connection element of the field device, wherein the at least two connection elements are embodied for supply of at least the adapter with electrical energy and for exchanging information. Furthermore, the present disclosure relates to a transmitter with an adapter of the present disclosure as well as a 2-wire field device having an adapter of the present disclosure or a transmitter of the present disclosure.

Abstract: A drafting system unit for a drafting system of a spinning machine. In a fiber band transport direction (R), the drafting system unit has a first top roller and a second top roller spaced apart therefrom, which are provided for drafting a fiber band, transported from the first to the second top roller, in cooperation with accordingly assigned bottom rollers, the respective axes of rotation of the first and second top roller extending transversely to the fiber band transport direction. The drafting system unit is characterized in that an apron cage to which negative pressure can be applied is arranged between the first top roller and the second top roller for guiding an air-permeable apron in circulation jointly around the apron cage and an apron top roller, the apron top roller being formed by the first top roller or by a third top roller that is assigned to the apron cage and arranged on the same side as the first and second top roller in relation to the fiber band being transported.

Abstract: The present disclosure relates to a device for determining a temperature of a liquid. The device comprises a first temperature sensor and a reference element. The reference element is composed of a material in which a phase transformation occurs at a predetermined temperature within a temperature range relevant for operation of the device. The material remains in the solid phase. Arranged on the reference element are a first and a second electrode electrically insulated from one another. The device includes a first connection line for contacting the first electrode, and a second connection line for contacting the second electrode. The device further includes a third connection line composed of a material different from the material of the first or the second connection line. The third connection line forms with the first or the second connection line the first temperature sensor in the form of a first thermocouple.

Abstract: The present disclosure relates to an adapter for a 2-wire field device, especially a 2-wire field device of process and/or automation technology, comprising a communication unit for, especially wireless, especially bi directional, communication with an external unit, and an energy storage unit for supply of at least the communication unit with electrical energy. According to the present disclosure, the adapter includes a first connection element for, especially electrical, contacting of the adapter with a second, first connection element complementary, connection element of the field device, wherein the at least two connection elements are embodied for supply of at least the adapter with electrical energy and for exchanging information. Furthermore, the present disclosure relates to a transmitter with an adapter of the present disclosure as well as a 2-wire field device having an adapter of the present disclosure or a transmitter of the present disclosure.

Abstract: Improvements in the straightness in the vertical plane of a screen panel attached within a rectangular frame structure employing split tubes as its top and bottom edges/struts are described. Areas permitting the straightness of the screen panel to be improved include zip attachment of the screen panel to the split tubes, dependence of teeth orientation, reinforcement of the frame structure using struts, clamping of the split tubes to the frame, and modification of the screen panel, individually or in any combination thereof.

Abstract: Control electronics for a two-wire process device, which two-wire process device can be connected to a two-wire loop. The control electronics comprises an input circuit and a control unit connected to the input circuit, wherein the input circuit is used in a first operating mode to set a current and/or voltage in the two-wire loop by means of a control signal transmitted by the control unit. The input circuit is used in a second operating mode to automatically, in particular independently of the control unit or independently of the control signal transmitted by the control unit, to set the current and/or the electric voltage in the two-wire loop.

Abstract: Improvements in the straightness in the vertical plane of a screen panel attached within a rectangular frame structure employing split tubes as its top and bottom edges/struts are described. Areas permitting the straightness of the screen panel to be improved include zip attachment of the screen panel to the split tubes, dependence of teeth orientation, reinforcement of the frame structure using struts, clamping of the split tubes to the frame, and modification of the screen panel, individually or in any combination thereof.