Prinz & Partner mbB

An adaptive signaling method of signaling between a first node (12) and a second node (14) is described. The adaptive signaling method comprises the steps of - generating, by the first node (12), a transmission signal to be transmitted to the second node (14), wherein the transmission signal comprises information on a custom modulation scheme to be used for communication between the first node (12) and the second node (14), wherein the custom modulation scheme comprises a custom set of constellation points; and - adapting, by the second node (14), a modulation scheme and/or a demodulation scheme used by the second node (14) for subsequent communication with the first node (12) based on the information on the custom modulation scheme comprised in the transmission signal. Further, a communication system, as well as a test and/or measurement system are described.

A filtration device (10), in particular a small-scale filtration device for production of biopharmaceuticals, is shown. The filtration device (10) comprises a housing including a top cover (12) having an unfiltrate inlet (18) and a bottom cover (14) having a filtrate outlet (22), and at least one filter support (32) positioned between the top cover (12) and the bottom cover (16) along a vertical direction (A). Each filter support (32) is equipped with at least one filter (46, 48) having a first membrane (50) and a second membrane (52), wherein each membrane (50, 52) has a filtrate side and an opposite unfiltrate side. Additionally, the first membrane (50) comprises at least one vent opening (54) for releasing gas trapped between the first membrane (50) and the second membrane (52).

Ein Feldgerät (10) für eine Industrieanlage umfasst wenigstens ein kapazitives Bedienelement (30), mit dem ein Betriebsmodus des Feldgeräts (10) einstellbar ist, und einen Prozessor (32), der mit dem wenigstens einen kapazitiven Bedienelement (30) gekoppelt ist. Der Prozessor (32) ist dazu eingerichtet, eine Bedienung des kapazitiven Bedienelements (30) nur dann umzusetzen, wenn eine Freigabe erfolgt ist, die auf einem Betätigungsmuster oder einem externen Freigabesignal basiert. Ferner wird ein Verfahren zum Einstellen eines Betriebsmodus eines Feldgeräts (10) beschrieben.

A radio frequency, RF, frontend (12) for a vector network analyzer, VNA, measurement system (10) is described. The RF frontend (12) comprises a first frontend portion (20) and a second frontend portion (22). The first frontend portion (20) comprises a first directional unit (28) being configured to couple an RF signal traveling towards at least one port (16) out of at least one measurement path (18). The first frontend portion (20) further comprises a second directional unit (34) being configured to couple an RF signal traveling away from the at least one port (16) out of the at least one measurement path (18). The second frontend portion (22) comprises a frequency combining unit (42) and a switching stage (40) having a first switching state and a second switching state such that the second frontend portion (22) provides two different functionalities associated with the two switching states. In the first switching state of the switching stage (40), a stimulus RF signal is coupled into the measurement path (18) by means of the frequency combining unit (42), which is used as a reference signal for performing measurements. In the second switching state of the switching stage (40), the RF signal traveling away from the at least one port (16) is coupled out of the measurement path (18) by means of the frequency combining unit (42).

A positioning device (10) for positioning a first substrate (14) relative to a second substrate (18) is described. The positioning device (10) comprises a first substrate holder (12) for holding the first substrate (14); a second substrate holder (16) for holding the second substrate (18), wherein the first substrate holder (12) and the second substrate holder (16) are mounted such that a distance between them is adjustable; and a distance-control element (20) which can be inserted between the first substrate holder (12) and the second substrate holder (16), wherein the distance-control element (20) comprises a body (22) with a fluid inlet (24), a first substrate fluid outlet (26) which is connected to the fluid inlet (24) and which is directed towards the first substrate holder (12) and configured to eject pressurized fluid from the body (22) in the direction of the first substrate (14) when the first substrate (14) is located in the first substrate holder (12), and with a second substrate fluid outlet (28) which is connected to the fluid inlet (24) and which is directed towards the second substrate holder (16) and configured to eject pressurized fluid from the body (22) in the direction of the second substrate (18) when the second substrate (18) is located in the second substrate holder (16).

Die Erfindung betrifft ein Überwachungsmodul (16) zur Überwachung eines Überspannungsschutzmoduls (21). Das Überwachungsmodul (16) weist einen ersten Anschluss (18) und einen zweiten Anschluss (20) für das Überspannungsschutzmodul (21) auf. Das Überwachungsmodul (16) hat einen Überlastschutz (22), der mit dem ersten Anschluss (18) über eine Leitung (26) verbunden und über den ersten Anschluss (18) mit dem Überspannungsschutzmodul (21) in Reihe schaltbar ist. Das Überwachungsmodul (16) umfasst eine Brückenschaltung (28) zur Spannungserfassung. Das Überwachungsmodul (16) weist eine Auswerteeinheit (30) auf, die über einen Abgriff (29) der Brückenschaltung (28) mit der Leitung (26) verbunden ist, um einen Spannungsabfall über den Überlastschutz (22) und/oder einen Spannungsabfall zwischen dem ersten Anschluss (18) und dem zweiten Anschluss (20) zu erfassen und auszuwerten. Ferner ist ein Überspannungsschutzsystem (10) beschrieben.

The invention relates to a test system (54) for electromagnetic compatibility testing. The test system (54) comprises an anechoic chamber (56) and a biconical antenna assembly (10). The biconical antenna assembly (10) has an antenna feed point (12), a first antenna structure (14) and a second antenna structure (16). The first antenna structure (14) and the second antenna structure (16) extend from the antenna feed point (12) towards opposite directions. The biconical antenna assembly (10) comprises a first additional capacitive structure (28) that is attached to the first antenna structure (14) and a second additional capacitive structure (30) that is attached to the second antenna structure (16). The anechoic chamber (56) has a floor (58). An electromagnetic layer (60) made from a material with high dielectric properties is provided between the biconical antenna assembly (10) and the floor (58). The electromagnetic layer (60) has lower electrically conducting properties in comparison to the floor (58) of the anechoic chamber (56).

A filtration device (10), in particular a small-scale filtration device for production of biopharmaceuticals, comprises a top cover (12) having an unfiltrate inlet and a bottom cover (16) having a filtrate outlet (20), and one or more filter supports (23) arranged as a stack between the top cover (12) and the bottom cover (16) along a vertical direction (A). Each filter support (22) is configured to support a flat filter (24), especially a membrane. The filter support(s) (23) are provided on the top cover (12) and/or on the bottom cover (16) and or on one or more optional, preferably disc-shaped, filter support plates (22). The top cover (12), the bottom cover (16) and the filter support plates (22) each have an inner portion with at least one inner welding section (26) and an outer portion with at least one outer welding section (28). The inner welding sections (26) have an annular shape fully encircling a vertical filtrate collection channel (30) of the filtration device (10) which leads to the filtrate outlet (20). The outer welding sections (28) have an annular shape fully encircling a filtration area of the filtration device (10). All inner welding sections (26) are substantially congruent and welded in a fluid-tight manner to a corresponding inner welding section (26) of the top cover (12) or bottom cover (16) or a neighboring filter support plate (22), so as to form an inner housing portion (32) of the filtration device (10). All outer welding sections (28) are substantially congruent and welded in a fluid-tight manner to a corresponding outer welding section (28) of the top cover (12) or bottom cover (16) or a neighboring filter support plate (22), so as to form an outer housing portion (34) of the filtration device (10).

Ein Verfahren zum Reinigen eines Gargeräts (10) mit einem Garraum (12) und einer Heizvorrichtung (22) mit einem Heizrohr (24), wobei das Heizrohr (24) einen ersten, aktiv beheizbaren Abschnitt (26) und einen zweiten, an den ersten Abschnitt (26) angrenzenden Abschnitt (28) aufweisen, der nicht aktiv beheizbar ist, wobei sich im Normalbetrieb des Gargeräts (10) im zweiten Abschnitt (28) in einem Festbrennbereich (30) Verunreinigungen anlagern und festbrennen, wobei das Verfahren die folgenden Schritte aufweist:a) Anwählen eines Reinigungsprogramms;b) Einschalten der Heizvorrichtung (22), sodass der erste Abschnitt (26) des Heizrohrs (24) geheizt wird;c) Betreiben der Heizvorrichtung (22) über eine Reinigungsdauer mit einer solchen Leistung, dass sich durch Wärmeübertragung im Festbrennbereich (30) eine solche Temperatur über eine Verbrennungsdauer von mindestens 1 min. und vorzugsweise mindestens 5 min. einstellt, sodass die im Festbrennbereich (30) anhaftende Verunreinigungen gelöst werden, wobei gleichzeitig verhindert wird, dass die Temperatur im Garraum (12) eine maximal zulässige Garraumtemperatur übersteigt.

A speed-based transmission scheme switching method of switching a transmission scheme between a transmitter node (12) and a receiver node (14) is described. The speed-based transmission scheme switching method comprises the steps of- determining at least one speed parameter, wherein the at least one speed parameter comprises a speed of the transmitter node (12), a speed of the receiver node (14), and/or a relative speed between the transmitter node (12) and the receiver node (14); and- switching, based on the at least one speed parameter determined, between a first transmission scheme being associated with a lower range of the at least one speed parameter and a second transmission scheme being associated with a higher range of the at least one speed parameter.Further, a communication system (10) as well as a test and/or measurement system are described.