Abstract: Provided is a magnetic strain wave gear device that makes it possible to achieve both improvement of the efficiency of assembly work and suppression of decrease in energy conversion efficiency. A magnetic strain wave gear device includes: a stator having a stator core, a stator winding, and a stator magnet; a first rotor; and a second rotor. The second rotor includes a second rotor core provided with a plurality of rotor magnet insertion holes and a plurality of rotor magnets inserted into the plurality of respective rotor magnet insertion holes. The first rotor includes a cylindrical first rotor core and a first rotor end plate. The first rotor end plate has a rotor magnet passage hole through which the rotor magnets can be inserted into the rotor insertion holes from outside in a direction of a rotation shaft.

Abstract: According to one embodiment, a system includes a first device and a second device. The first device serves as an electric power supplying side. The second device serves as an electric power receiving side. The first device includes a transmitter that transmits status information to the second device. The status information indicates a state of an electric power source of the first device. The second device includes a receiver and a controller. The receiver receives the status information from the first device. The controller controls charging of a battery included in the second device using an electric power supplied from the first device, based on the state of the electric power source of the first device indicated by the status information.

Abstract: According to one embodiment, an electronic device includes a power delivery controller and an embedded controller. The power delivery controller supplies a first signal to the embedded controller when reception of a power from an external device is started, and supplies a second signal to the embedded controller when a first value of the power from the external device is changed. The embedded controller acquires first data from the power delivery controller when the first signal is supplied in an activation time, acquires a second value of the power to be received from the external device from a power circuit, and acquires second data from the power delivery controller when the first value indicated by the first data is different from the second value.

Abstract: According to one embodiment, an electronic device includes: a first interface and a second interface, each interface being connected with outside of the electronic device to supply power to a connection destination or receive power from a connection destination; a storage configured to store therein first identification information; a transmitter configured to transmit first information containing the first identification information to a first device when the first interface serves as a source to supply power, the first device being the connection destination of the first interface; a receiver configured to receive second information containing second identification information of a second device from the second device when the second interface serves as a sink to receive power, the second device being the connection destination of the second interface; and a controller configured to stop reception of power via the second interface when the second information contains the first identification information.

Abstract: According to one embodiment, an electronic device includes a power delivery controller and an embedded controller. The power delivery controller supplies a first signal to the embedded controller when reception of a power from an external device is started, and supplies a second signal to the embedded controller when a first value of the power from the external device is changed. The embedded controller acquires first data from the power delivery controller when the first signal is supplied in an activation time, acquires a second value of the power to be received from the external device from a power circuit, and acquires second data from the power delivery controller when the first value indicated by the first data is different from the second value.

Abstract: According to one embodiment, a system includes a first device and a second device. The first device serves as an electric power supplying side. The second device serves as an electric power receiving side. The first device includes a transmitter that transmits status information to the second device. The status information indicates a state of an electric power source of the first device. The second device includes a receiver and a controller. The receiver receives the status information from the first device. The controller controls charging of a battery included in the second device using an electric power supplied from the first device, based on the state of the electric power source of the first device indicated by the status information.

Abstract: According to one embodiment, an electronic device includes: a first interface and a second interface, each interface being connected with outside of the electronic device to supply power to a connection destination or receive power from a connection destination; a storage configured to store therein first identification information; a transmitter configured to transmit first information containing the first identification information to a first device when the first interface serves as a source to supply power, the first device being the connection destination of the first interface; a receiver configured to receive second information containing second identification information of a second device from the second device when the second interface serves as a sink to receive power, the second device being the connection destination of the second interface; and a controller configured to stop reception of power via the second interface when the second information contains the first identification information.

Abstract: A method of an embodiment enables locking of downstream ports of a USB hub controller in an electronic apparatus. The method includes the determination step, the assertion step and the lock step. The determination step determines, with a BIOS, whether a lock setting has been made on each of the downstream ports. The assertion step performs, with the BIOS, assertion control for resetting the USB hub controller. The lock step performs, with the BIOS, lock control during the assertion control based on whether the lock setting has been made.

Abstract: A method of an embodiment enables locking of downstream ports of a USB hub controller in an electronic apparatus. The method includes the determination step, the assertion step and the lock step. The determination step determines, with a BIOS, whether a lock setting has been made on each of the downstream ports. The assertion step performs, with the BIOS, assertion control for resetting the USB hub controller. The lock step performs, with the BIOS, lock control during the assertion control based on whether the lock setting has been made.

Abstract: According to one embodiment, an information processing apparatus including a power source configured to supply power to an external device, including: a detector configured to detect a type of the external device; and a power supply configured to temporarily shut off supply of power to the external device from a first power supply mode and to supply power from a second power supply mode, when the detected type of the external device satisfies a first condition.

Abstract: One embodiment provides an electronic apparatus, including: a first power supply module configured to supply power to a storage device provided in an external device when the external device is connected to the electronic apparatus; a receiving module configured to receive, from the external device, identification information thereof; and a second power supply module configured to supply power to an input/output control module of the external device if authentication of the identification information received by the receiving module succeeds.

Abstract: According to one embodiment, an electronic device includes: a switch which switches between connection and disconnection of a sideband signal transmitted by a device attached to the electronic device; a power switch circuit which switches between supply and interrupt of power to the device; a nonvolatile memory which holds a setting; and a control section which controls the switch and the power switch circuit based on the setting.

Abstract: According to one embodiment, an information processor has: an input/output module configured to input/output a data signal through a data signal line; a first voltage supply module configured to supply a first differential signal pair; a second voltage supply module configured to supply a second differential signal pair; a first switching module configured to select and output, in response to a first control signal, one of the first differential signal pair supplied from the first voltage supply module and the second differential signal pair supplied from the second voltage supply module; and a second switching module configured to receive one of the first differential signal pair and the second differential signal pair output from the first switching module, and output one of the first differential signal pair and the second differential signal pair to the electronic device through the data signal line, in response to a second control signal.

Abstract: According to one embodiment, an information processor has: an input/output module configured to input/output a data signal through a data signal line; a first voltage supply module configured to supply a first differential signal pair; a second voltage supply module configured to supply a second differential signal pair; a first switching module configured to select and output, in response to a first control signal, one of the first differential signal pair supplied from the first voltage supply module and the second differential signal pair supplied from the second voltage supply module; and a second switching module configured to receive one of the first differential signal pair and the second differential signal pair output from the first switching module, and output one of the first differential signal pair and the second differential signal pair to the electronic device through the data signal line, in response to a second control signal.

Abstract: According to one embodiment, an information processor has: an input/output module configured to input/output a data signal through a data signal line; a first voltage supply module configured to supply a first differential signal pair; a second voltage supply module configured to supply a second differential signal pair; a first switching module configured to select and output, in response to a first control signal, one of the first differential signal pair supplied from the first voltage supply module and the second differential signal pair supplied from the second voltage supply module; and a second switching module configured to receive one of the first differential signal pair and the second differential signal pair output from the first switching module, and output one of the first differential signal pair and the second differential signal pair to the electronic device through the data signal line, in response to a second control signal.

Abstract: According to one embodiment, an information processor has: an input/output module configured to input/output a data signal through a data signal line; a first voltage supply module configured to supply a first differential signal pair; a second voltage supply module configured to supply a second differential signal pair; a first switching module configured to select and output, in response to a first control signal, one of the first differential signal pair supplied from the first voltage supply module and the second differential signal pair supplied from the second voltage supply module; and a second switching module configured to receive one of the first differential signal pair and the second differential signal pair output from the first switching module, and output one of the first differential signal pair and the second differential signal pair to the electronic device through the data signal line, in response to a second control signal.

Abstract: According to one embodiment, an information processing apparatus includes a display unit pivotally installed on a housing and including a magnet unit, a magnetic sensor unit incorporated in the housing to detect a movement of the magnet unit, a conversion unit which converts a magnetic force detected by the magnetic sensor unit into a pulse signal having a pulse width, a detection unit which detects an angle made by the display unit and the housing based on the pulse signal converted by the conversion unit and having the pulse width, a storage unit which stores table information storing an operation corresponding to a predetermined angle, and an operation unit which performs the predetermined operation based on the table information when the detected angle has increased to the predetermined angle, and performs the predetermined operation based on the table information when the detected angle has decreased to the predetermined angle.

Abstract: According to one embodiment, an electronic device includes: a switch which switches between connection and disconnection of a sideband signal transmitted by a device attached to the electronic device; a power switch circuit which switches between supply and interrupt of power to the device; a nonvolatile memory which holds a setting; and a control section which controls the switch and the power switch circuit based on the setting.

Abstract: According to one embodiment, an information processing apparatus includes a first bridge circuit which communicates with a processor and a storage section, a second bridge circuit which communicates with the first bridge circuit, an external bus control section which communicates with the second bridge circuit and which uses one of a plurality of transfer modes including an isochronous transfer mode to communicate with an external apparatus for data transfer between the external apparatus and the storage section, and a power saving setting section which, when the processor is in an idling state, sets a power saving mode which avoids disabling the communication between the first bridge circuit and the second bridge circuit so as to transfer the data between the external apparatus and the storage section if the isochronous transfer mode is being used for the data transfer between the external bus control section and the external connection apparatus.

Abstract: An azaazulene derivative having the general formula (I): ##STR1## wherein R.sup.1 is hydrogen atom or isopropyl group; the bond C N between C at the 2-position and N at the 1-position is single bond or double bond; when the bond C N is single bond, R.sup.2 is 5-tetrazolyl group, R.sup.3 is taken together with carbon atom to form carbonyl group at the 2-position, and R.sup.4 is hydrogen atom, an alkyl group having 1 to 18 carbon atoms, a lower alkenyl group, a lower alkyl group having oxygen atom or sulfur atom in carbon chain, a lower alkyl group having a halogen atom or cyano group, a lower alkyl group having heteroaromatic ring, a diphenyl lower alkyl group, or a lower alkyl group having hydrocarbon-aromatic ring with the general formula: ##STR2## in which W is single bond or carbonyl group, oxygen atom, sulfur atom or --CH.dbd.CH--, n is an integer of 1 to 6, and R.sup.1', R.sup.2' and R.sup.