Louis Pöhlau Lohrentz

Die Erfindung betrifft einen Schließzylinder, wobei der Schließzylinder ein Zylindergehäuse aufweist, in dem drehbar ein Zylinderkern (1) angeordnet ist, und wobei der Zylinderkern (1) einen Schlüsselkanal (2) aufweist, wobei der Schlüsselkanal (2) in Form eines Profils ausgestaltet ist, wobei das Profil ein oder mehrere Hauptprofilmerkmale (4) aufweist, insbesondere wobei die ein oder mehreren Hauptprofilmerkmale (4) mit einem korrespondierenden Profil eines einschiebbaren Schlüssels zusammenwirken, wobei das Profil zumindest eine zu einem Hauptprofilmerkmal (4) anschließende Fangnut (5) aufweist, welche fluchtend zum Hauptprofilmerkmal (4) angeordnet ist.

In a (e.g., ethernet-based PTP) time-distribution system, time receivers unicast (rather than multicast) delay-request messages and time transmitters unicast (rather than multicast) corresponding delay-response messages . An intervening transparent clock using a two-step delay request mode forwards unicast delay-request messages without modification, enabling the time transmitter to learn the media access control (MAC) address of the time receiver from the SMAC address in a delay-request message and use that MAC address as the DMAC address in the corresponding unicast delay-response message that enables the transparent clock to forward the unicast delay-response message towards the appropriate time receiver. As such, the volume of messages and the burden on transparent clocks to handle superfluous messages in such systems are reduced.

An object is to improve refrigeration performance of a cryocooler (10). A cryocooler (10) includes: a first displacer (18a) and a second displacer (18b) that extend in series in an axial direction; a cryocooler cylinder (16) that accommodates the first displacer (18a) and the second displacer (18b); and a connector (22) that connects the first displacer (18a) and the second displacer (18b) in the axial direction. A first expansion chamber (32) and a radial clearance (50) connected to the first expansion chamber (32) are formed between the cryocooler cylinder (16) and the first displacer (18a). The first displacer (18a) has an outlet flow path (36b) connected to the first expansion chamber (32) via the radial clearance (50), and a bypass flow path (52) that bypasses at least a part of the radial clearance (50) and is connected to the first expansion chamber (32). The connector (22) is configured to open the bypass flow path (52) during an intake process to the first expansion chamber (32) and close the bypass flow path (52) during an exhaust process from the first expansion chamber (32).

The present invention discloses an apparatus for use by a coherent receiver, comprising means for: obtaining a first set of coefficients (A+ ) indicating a first adaptive filter (A) configured to reduce at least part of polarization mode dispersion in an equalizer of the coherent receiver and a second set of coefficients (w+ ) indicating a second adaptive filter (w) configured to reduce at least part of the inter-symbol interference in the equalizer of the coherent receiver, determining a first updated set of coefficients (A++ ) and a second updated set of coefficients (w++ ) based on the first set of coefficients (A+ ) and the second set of coefficients (w+ ), wherein the gains of the first updated set of coefficients (A++ ) have a predetermined level, and wherein, the output of the equalizer based on the first set of coefficients (A+ ) and the second set of coefficients (w+ ) is approximately same as the output of the equalizer based on the first updated set of coefficients (A++ ) and the second updated set of coefficients (w++ ), providing the first updated set of coefficients (A++ ) and the second updated set of coefficients (w++ ) to the first filter and the second filter respectively.

The present invention discloses an apparatus (200) for use by a coherent receiver, comprising means for: obtaining a first set of coefficients (w⁺, A⁺⁺) indicating a first filter (w, A) in an adaptive equalizer of the coherent receiver, wherein the first filter (w, A) is an adaptive Multi-Input Multi-Output, MIMO, filter with N taps in each branch, wherein N is an integer number; determining a further set of coefficients (f_xx, f_yx, f_xy, f_yy) indicating a MIMO filter with a single tap in each branch based on the first set of coefficients (w⁺, A⁺⁺); determining a first matrix (F) based on the further set of coefficients (f_xx, f_yx, f_xy, f_yy); orthogonalizing the first matrix (F), thereby obtaining an orthogonalized matrix (Q); determining a state-of-polarization based on at least part of the orthogonalized matrix (Q).

Die Erfindung betrifft ein Verfahren zur Herstellung eines Mehrschichtkörpers (1), wobei bei einem Zusammenpressen einer Strukturschicht (2) samt eines Oberflächenreliefs (21), einer Außenschicht (3) und eines Schichtgebildes (4) die Strukturschicht (2) zumindest in die Außenschicht (3) eingepresst wird, so dass das Oberflächenrelief (21) in einer Vertiefung (5) im Mehrschichtkörper (1) zumindest teilweise freiliegend ist. Die Erfindung betrifft zudem einen Mehrschichtkörper (1) sowie einen Außenschichtverbund (30) und dessen Verwendung zur Herstellung des Mehrschichtkörpers (1).

The present invention discloses an apparatus for use by an optical network unit, ONU, communicatively connected to an Optical Line Terminal, OLT, comprising means for: configuring a first operation parameter of a first laser (Tx) to be a reference value (T_Tx,ref), thereby the emission frequency of the first laser (Tx) is aligned to a frequency of a downstream signal; determining a target value (T_Tx) of the first operation parameter of the first laser (Tx) based on: a predetermined deviation (ΔT_Tx=T_Tx-T_Tx,ref) between the target value (T_Tx) and the reference value (T_Tx,ref), and the reference value of the first operation parameter (T_Tx,ref); configuring the first operation parameter of the first laser (Tx) to be the target value, thereby the emission frequency of the first laser (Tx) is aligned to a predetermined frequency for an upstream signal; transmitting upstream signals to the OLT by modulating the output of the first laser (TX).

In certain embodiments involving a Precision Time Protocol (PTP) time transmitter connected to a PTP time receiver over a link aggregation group (LAG), the receiver suspends normal LAG processing during PTP clock-sync operations to ensure that a PTP Delay-Request message is transmitted to the transmitter over the same LAG link used by the transmitter to transmit the corresponding PTP Sync message to the receiver in order to avoid errors resulting from different LAG links having different average transmission delays.

In certain embodiments involving a Precision Time Protocol (PTP) time transmitter connected to a PTP time receiver over a link aggregation group (LAG), the receiver uses a table of delay values to compensate for differences in average transmission delay over the different LAG links when synchronizing its local clock with the transmitter's reference clock. When a LAG link is added or changed, the transmitter and receiver perform a link-delay-calibration operation to calculate the delay to be used for subsequent synchronization operations.

Die Erfindung betrifft ein Schloss für eine Tür oder ein Fenster. Das Schloss (1) weist ein Schlossgehäuse (1g) auf, in dem eine Schlossmechanik gelagert ist, die eine Schlossnuss (4) und mindestens eine Zugstange (8a, 8i) aufweist. Die mindestens eine Zugstange (8a, 8i) bildet mit der ihr zugeordneten Feder (6a, 6i) und dem Federlager (80a, 80i) ein Federpaket aus. Die Feder (6a, 6i) beaufschlagt die Schlossnuss (4) aus einer betätigten Stellung in eine Grundstellung. Erfindungsgemäß wird ein besonders einfach zu montierendes und besonders kompaktes Federpaket bereitgestellt, indem die Zugstange (8a, 8i) einen ersten Abstützbereich ausbildet, welcher ein erstes Ende (61, 61i, 61a) der Feder (6a, 6i) lose abstützt, das Federlager (80a, 80i) einen zweiten Abstützbereich ausbildet, welcher ein zweites Ende der Feder (6a, 6i) lose abstützt, sodass die Feder (6a, 6i) lose zwischen dem ersten Abstützbereich und dem zweiten Abstützbereich gelagert ist. Die Erfindung betrifft weiterhin ein Verfahren zur Montage eines Federpakets als vormontierbares Modul für ein Schloss für eine Tür oder ein Fenster.