Abstract: A rotor of a synchronous motor is provided with a plurality of magnets fixed to an outer circumferential surface of a rotor core, and a reinforcement member having a cylindrical shape. An interposition member is disposed between the magnet and the reinforcement member. The magnet includes an outer circumferential surface whose center portion in the circumferential direction bulges outward. The interposition member is formed so as to cover the entire outer circumferential surface of the magnet. An outer circumferential surface of the interposition member has a circular shape when cutting along a plane perpendicular to a rotation axis, and is in close contact with an inner circumferential surface of the reinforcement member.

Abstract: A rotor is configured such that the rotor includes: a rotary tube whose inner circumferential surface is tapered and which is fitted to a rotary shaft whose outer circumferential surface is tapered; a permanent magnet which is arranged on the outer circumferential side of the rotary tube; and a sheath tube which is fitted to the outer circumferential side of the permanent magnet so as to cover the permanent magnet, and that as the outside diameter of a multilayer member formed with the rotary tube and the permanent magnet is reduced so as to be tapered along an axial direction, the interference of the sheath tube for the multilayer member is increased so as to be tapered along the axial direction.

Abstract: A CU (Central Unit) executes scheduling for allocating radio resources of RRUs (Remote Radio Units) to radio transmission of downlink data while broadcasting, to DMs (Data Managers) via MFH, downlink data from MBH. Each DM selects, based on an allocation result obtained by scheduling, the downlink data of an RRU (Remote Radio Unit) corresponding to the self DM from the accumulated downlink data from the CU, and transfers the selected downlink data to the corresponding RRU while discarding the downlink data of other RRUs. Based on the allocation result, each RRU performs radio transmission of the downlink data from the DM to a corresponding UE (User Equipment) using the designated radio resource. This makes it possible to efficiently transfer the downlink data from the CU to each RRU via the MFH constructed by a TDM system represented by TDM-PON.

Abstract: A rotor includes: a rotary member; permanent magnets in a plurality of columns which are arranged along the circumferential direction of the rotary member and each of which is divided into a plurality of permanent magnets in a rotary axis direction X of the rotary member; and a sheath tube which is fitted to the outer circumferential side of the permanent magnets, which covers the permanent magnets and which is formed of a fiber-reinforced plastic, and the sheath tube is divided, in the rotary axis direction X of the rotary member, by a division number which exceeds the division number of the permanent magnets.

Abstract: A convergence pattern selection unit (10A) sequentially generates a plurality of different patterns based on designated initial conditions, selects, as a convergence pattern, a pattern in which evaluation value has converged to an extreme value, and repeatedly executes selection of the convergence pattern by changing the initial conditions every time the convergence pattern is selected. A transmission pattern determination unit (10B) selects, as an optimum transmission pattern, one of the convergence patterns obtained by the convergence pattern selection unit (10A), which has the highest evaluation value. This allows searches for an optimum transmission pattern having a better evaluation value.

Abstract: To provide a rotating electrical machine which can be easily configured at low lost, and which can highly accurately maintain an axial position (position in a thrust direction) of a rotating shaft in a prearranged position, and a machine tool, to which the rotating electrical machine is applied. A rotating electrical machine includes: a stator including a stator core; and a rotor supported on a rotating shaft supported by way of a non-contact bearing. When a section, in which a torque generation member exists in an axial direction of the rotating electrical machine, is defined as a torque generation section, a first end and a second end of the stator core in the axial direction extend outwards in the axial direction from a first end and a second end of the torque generation section at the rotor side in the axial direction.

Abstract: An upstream allocation circuit (14) and a downstream allocation circuit (15) are provided in an OLT (1). For example, a superimposed frame obtained by bundling upstream frames (upstream control frames+upstream data frames) from all ONUS is input to the upstream allocation circuit (14) via a frame reproduction circuit (12-1). The superimposed frame may be generated at the stage of optical signals or generated after converting optical signals into electrical signals. The upstream allocation circuit (14) allocates each of the upstream control frames bundled into the superimposed frame to a predetermined PON control circuit (13) based on information (PON port number or LLID) added to the frames. The downstream allocation circuit (15) allocates, to a preset frame reproduction circuit (12), each downstream control frames output from the PON control circuits (13).

Abstract: An OLT (10) is provided with a priority control bypass circuit (16) and an encryption/decryption bypass circuit (17), or an ONU (20) is provided with a priority control bypass circuit (26) and an encryption/decryption bypass circuit (27), and one or both of encryption/decryption processing and priority control processing are bypassed in accordance with a priority control bypass instruction (BP) and an encryption/decryption bypass instruction (BE), which are set in advance. This reduces a processing delay that occurs in the OLT or the ONU.

Abstract: An amplifier circuit includes a first transistor, a second transistor, a first pathway and a second pathway. The first transistor amplifies an external signal that is input from outside the amplifier circuit. The second transistor amplifies a detection signal that detects a level of the external signal. The first pathway is connected between a collector of the first transistor and a base of the second transistor to supply the detection signal that is output from the collector of the first transistor to the base of the second transistor. The second pathway is connected between an emitter of the first transistor and the base of the second transistor to supply a bias voltage from the emitter of the first transistor to the base of the second transistor.

Abstract: A rotor is configured such that the rotor includes: a rotary tube whose inner circumferential surface is tapered and which is fitted to a rotary shaft whose outer circumferential surface is tapered; a permanent magnet which is arranged on the outer circumferential side of the rotary tube; and a sheath tube which is fitted to the outer circumferential side of the permanent magnet so as to cover the permanent magnet, and that as the outside diameter of a multilayer member formed with the rotary tube and the permanent magnet is reduced so as to be tapered along an axial direction, the interference of the sheath tube for the multilayer member is increased so as to be tapered along the axial direction.

Abstract: A substrate includes a core substrate; a cavity formed on an upper surface side of the core substrate; a bottom plate of the cavity formed integrally with the core substrate; a through-hole formed in the bottom plate, a component mounting portion formed at a portion of the bottom plate, an electronic component mounted on the component mounting portion so as to be disposed inside the cavity; a first insulating layer formed on an upper surface of the core substrate so as to cover an upper surface of the electronic component; and a second insulating layer formed on a lower surface of the core substrate so as to fill the through-hole and cover a lower surface of the electronic component. The cavity is filled with the first insulating layer and the second insulating layer. The first insulating layer and the second insulating layer are formed of the same insulating resin.

Abstract: A rotor includes: a rotary member; permanent magnets in a plurality of columns which are arranged along the circumferential direction of the rotary member and each of which is divided into a plurality of permanent magnets in a rotary axis direction X of the rotary member; and a sheath tube which is fitted to the outer circumferential side of the permanent magnets, which covers the permanent magnets and which is formed of a fiber-reinforced plastic, and the sheath tube is divided, in the rotary axis direction X of the rotary member, by a division number which exceeds the division number of the permanent magnets.

Abstract: A selection and distribution circuit (13) is provided between N optical transceivers (11) and one PON control circuit (12). The selection and distribution circuit (13) selects the optical transceiver (11) corresponding to an upstream frame that time-divisionally arrives, thereby transferring the upstream frame opto-electrically converted by the transceiver (11) to the PON control circuit (12) and distributing a downstream frame from the PON control circuit (12) to each optical transceiver (11). A power supply control circuit (23) stops power supply to at least one of one of optical transceivers (11) that are not used to transfer the frame of the optical transceivers (11) and a circuit that is not used to transfer the frame in the selection and distribution circuit (13). This can reduce the system cost per ONU in the optical transmission system.

Abstract: A rotor member includes a cylindrical sleeve part having a circular outer peripheral surface, a plurality of magnets arranged along the outer peripheral surface and including an inner peripheral surface having a curvature radius larger than a curvature radius of the outer peripheral surface, and a cylindrical holding member surrounding the plurality of magnets. Between the outer peripheral surface of the sleeve part and the inner peripheral surface of the magnets, a gap of a radial direction increased toward a circumferential edge portion of the magnets is formed.

Abstract: A convergence pattern selection unit (10A) sequentially generates a plurality of different patterns based on designated initial conditions, selects, as a convergence pattern, a pattern in which evaluation value has converged to an extreme value, and repeatedly executes selection of the convergence pattern by changing the initial conditions every time the convergence pattern is selected. A transmission pattern determination unit (10B) selects, as an optimum transmission pattern, one of the convergence patterns obtained by the convergence pattern selection unit (10A), which has the highest evaluation value. This allows searches for an optimum transmission pattern having a better evaluation value.

Abstract: An upstream allocation circuit (14) and a downstream allocation circuit (15) are provided in an OLT (1). For example, a superimposed frame obtained by bundling upstream frames (upstream control frames+upstream data frames) from all ONUS is input to the upstream allocation circuit (14) via a frame reproduction circuit (12-1). The superimposed frame may be generated at the stage of optical signals or generated after converting optical signals into electrical signals. The upstream allocation circuit (14) allocates each of the upstream control frames bundled into the superimposed frame to a predetermined PON control circuit (13) based on information (PON port number or LLID) added to the frames. The downstream allocation circuit (15) allocates, to a preset frame reproduction circuit (12), each downstream control frames output from the PON control circuits (13).

Abstract: A CU (Central Unit) executes scheduling for allocating radio resources of RRUs (Remote Radio Units) to radio transmission of downlink data while broadcasting, to DMs (Data Managers) via MFH, downlink data from MBH. Each DM selects, based on an allocation result obtained by scheduling, the downlink data of an RRU (Remote Radio Unit) corresponding to the self DM from the accumulated downlink data from the CU, and transfers the selected downlink data to the corresponding RRU while discarding the downlink data of other RRUs. Based on the allocation result, each RRU performs radio transmission of the downlink data from the DM to a corresponding UE (User Equipment) using the designated radio resource. This makes it possible to efficiently transfer the downlink data from the CU to each RRU via the MFH constructed by a TDM system represented by TDM-PON.

Abstract: An OLT (1) is formed by N optical transceivers (11), one PON control circuit (12), and one selection and distribution circuit (13). An optical transceiver selection control signal (SC) is transferred from the PON control circuit (12) to the selection and distribution circuit (13). The optical transceiver selection control signal (SC) indicates the timing of a discovery window, the timing of a grant, and a logical link identification number of a registered ONU assigned to the grant (a logical link identification number for a logical link with the registered ONU). The selection and distribution circuit (13) selects one optical transceiver (11-s (s is an integer falling within a range of 0 to N?1)) from the optical transceivers (11-0 to 11-N?1) based on the optical transceiver selection control signal (SC) from the PON control circuit (12).

Abstract: A selection and distribution circuit (13) is provided between N optical transceivers (11) and one PON control circuit (12). The selection and distribution circuit (13) selects the optical transceiver (11) corresponding to an upstream frame that time-divisionally arrives, thereby transferring the upstream frame opto-electrically converted by the transceiver (11) to the PON control circuit (12) and distributing a downstream frame from the PON control circuit (12) to each optical transceiver (11). A power supply control circuit (23) stops power supply to at least one of one of optical transceivers (11) that are not used to transfer the frame of the optical transceivers (11) and a circuit that is not used to transfer the frame in the selection and distribution circuit (13). This can reduce the system cost per ONU in the optical transmission system.

Abstract: A computer-implemented system and method for identifying documents for review is provided. A set of documents is sorted by topic. A status of near duplicate is assigned to two or more documents in the set. Threads of the documents are identified. Each thread includes at least one near duplicate document that is recursively included within another near duplicate document in that thread. In each thread, the near duplicate documents are ordered based on a length of the thread included in each near duplicate document. The near duplicate document that has the longest length is selected for each thread and provided for review.