Abstract: A KVM switch includes: a first input portion and a second input portion that inputs a plurality of video signals from the first and the second information processing apparatus, respectively; a converting portion that converts the video signals input from the first or second input portion into a plurality of pieces of image data which are capable of being displayed on a remote terminal; a transmitting and receiving portion that transmits the pieces of converted image data to the remote terminal, and receives various requests from the remote terminal; and a switching portion that switches the video signals input from the first input portion to the video signals input from the second input portion when the transmitting and receiving portion receives a switching request for switching from a first information processing apparatus to a second information processing apparatus from the remote terminal.

Abstract: A power supply controlling system including: a first power supply controlling apparatus that supplies an electric power to a device; and a second power supply controlling apparatus that supplies an electric power to another device, communicates with the first power supply controlling apparatus, and mediates communication between the first power supply controlling apparatus and a terminal device to control power supply to the device, the terminal device controlling the power supply to the device; wherein the first power supply controlling apparatus communicates with the terminal device without relaying the second power supply controlling apparatus, according to interruption of the communication between the first power supply controlling apparatus and the second power supply controlling apparatus.

Abstract: A current sensor includes: a current bar through which a current flows; a first cover that covers the current bar and includes a cutout portion formed in at least a part thereof; a magnetic substance core that covers at least parts of the current bar and the first cover and includes a gap; a magnetic field measuring element located in the gap; and a second cover that covers the magnetic substance core and the magnetic field measuring element and at least parts of the current bar and the first cover, and is located so that a side surface thereof engages with the cutout portion of the first cover.

Abstract: A power control device coupled to a power supply device and an information processing device, and configured to control a power supply from the power supply device to the information processing device, the power control device including: a first input/output unit configured to input/output data from/to the information processing device; a second input/output unit configured to input/output data from/to the power supply device by a change of state of signal lines; a storage unit configured to store data input from the first input/output unit and the second input/output unit; and a control unit configured to execute a conversion process for converting data input from the first input/output unit to a change of state of a signal line that can be output from the second input/output unit, and converting a change of state of a signal line input from the second input/output unit to a data format that can be output from the first input/output unit.

Abstract: An electronic apparatus including: a first device that includes a first display portion, the first display portion displaying information concerning the operation of the first device; and a second device that includes a second display portion, the second display portion displaying the information which the first display portion has displayed, depending on at least one of the second device having been attached to the first device, the first device having supplied an electric power to the second device, and the first device and the second device having communicated mutually.

Abstract: A power strip includes: a first power line; a second power line between which and the first power line a power supply voltage is applied; a jack portion; a current meter configured to measure a current being supplied to an external electrical device from the jack portion; a first photocoupler including a first light emitting diode connected between the first power line and the second power line and configured to output a first output signal whose level is changed when the power supply voltage exceeds a first threshold; and a computing unit configured to calculate a power value by using instantaneous values of the current measured by the current meter and instantaneous values of the power supply voltage estimated from the length of a period when the level of the first output signal is changed.

Abstract: A power strip includes: jack portions; current meters each configured to measure a current being supplied from the corresponding jack portion to one of external electrical devices, and to output a measurement signal corresponding to a magnitude of the current; and a computing unit configured to obtain instantaneous values of the current at a plurality of time points on the basis of the measurement signal, and to calculate a power value using the instantaneous values. The computing unit configured to obtain the instantaneous values of the current by using any one of a first zero point and a second zero point as a reference.

Abstract: A remote operation system has a server, a client to which a first keyboard is connected, and a KVM switch connected to the server, the client and a second keyboard, the KVM switch including: an acquisition portion that acquires a state of the second keyboard; and the client including: a reception portion that receives a state of the first keyboard, and the state of the second keyboard from the KVM switch; a determination portion that determines whether the state of the first keyboard is identical with the state of the second keyboard; and a transmission portion that transmits information which makes the state of the first keyboard identical with the state of the second keyboard, to the first keyboard when the state of the first keyboard is not identical with the state of the second keyboard.

Abstract: A communication device including: a setting portion that sets the communication device as a main device when communication device is connected to another device and receives an electric power from an external power supply, and sets communication device as a client device when communication device is connected to another device and receives an electric power from another device; an update portion that transmits first and second identifiers to another device, receives from another device third and fourth identifiers, forms a network to which communication device and another device belong with second identifier when communication device is set as the main device, and updates second identifier with fourth identifier when communication device is set as the client device; and a wireless communication portion that, when another device is disconnected from communication device, communicates wirelessly with another device with first and third identifiers, and any one of second and fourth identifiers.

Abstract: An information processing apparatus includes a mouse driver that adds a second data to a first data showing a movement distance of a mouse cursor, and transmits the combined data to an OS. The information processing apparatus has: an input portion that inputs the first data from an external device via a KVM switch, and a flag showing effectiveness or invalidation of adding the second data to the first data; and a controlling portion that transmits the first data input to the input portion to the mouse driver, and when the flag shows invalidation of addition of the second data, the controlling portion interrupting between the mouse driver and the OS, acquiring the combined data, removing the second data from the combined data, and transmitting the first data to the OS.

Abstract: A disclosed power supply device includes a power supply unit configured to switch supply or non-supply of power from an external power supply to an electronic apparatus, and a receiving unit configured to receive a control command for controlling the switching with the power supply unit from a remote controller.

Abstract: A power supply controlling apparatus includes: a control portion that measure a consumption current value of a current supplied to a controlled device, and controls on/off of the current supplied to the controlled device; a communication portion that transmits a given command to the controlled device, and receives a response to the given command; and a monitor portion that monitors a state of the controlled device based on the consumption current value of the controlled device measured by the control portion, and a life or death state of the controlled device by the given command.

Abstract: A current sensor including: a current bar through which a current flows; a magnetic substance core configured to cover at least a part of the current bar; a magnetic field measurement element that measures a magnetic field generated by the current flowing through the current bar; a substrate to which the magnetic substance core and the magnetic field measurement element are fixed; and a magnetic substance cover that covers the magnetic substance core, and aligns the magnetic substance core by being fixed to the substrate; wherein slits corresponding to a width of the current bar are formed on side surfaces of the magnetic substance cover, and the current bar is aligned with the magnetic substance cover by protruding from the slits.

Abstract: A display device including: a plurality of push buttons each that includes a display unit displaying an image at a upper surface of the push button, the upper surface being movable up and down, and information being input to the push button depending on a position of the upper surface; and a plurality of actuators that actuate the respective push buttons up and down independently of the up-and-down movement of the upper surfaces of the push buttons.

Abstract: A KVM switch which is connected between a plurality of servers, and a client to which a keyboard, a mouse, a display, and a speaker are connected, and switches a server connected to the client, the KVM switch including: a sound input portion that inputs sound data emitted from each server; an abnormal sound determination portion that determines whether the input sound data is an abnormal sound; and a notification portion that notifies the client of abnormality detection when it is determined that the input sound data is the abnormal sound.

Abstract: A KVM switch includes a storing portion that stores partial data of a freeze-up screen outputted when each server freezes up, and a controlling portion that receives digital data (that is, screen data) transmitted from each server, determines whether received screen data includes a part identical to the partial data of the freeze-up screen, and controls a power supply regulator to restart the freeze-up server when it is determined that the received screen data includes the part identical to the partial data of the freeze-up screen.

Abstract: An information processing apparatus includes a selection portion that selects any one of a first setting that enables data on a hot key from a keyboard for a server, a second setting that enables the data on the hot key from the keyboard for a KVM switch, and a third setting that disables the data on the hot key from the keyboard for both of the KVM switch and the server; and a transmission portion that transmits the data on the hot key and a flag indicating the first setting to the server when the first setting is selected, transmits the data on the hot key and a flag indicating the second setting to the KVM switch when the second setting is selected, and fails to transmit the data on the hot key to the KVM switch and the server when the third setting is selected.

Abstract: A power supply controlling system including: a first power supply controlling apparatus that supplies an electric power to a device; and a second power supply controlling apparatus that supplies an electric power to another device, communicates with the first power supply controlling apparatus, and mediates communication between the first power supply controlling apparatus and a terminal device to control power supply to the device, the terminal device controlling the power supply to the device; wherein the first power supply controlling apparatus communicates with the terminal device without relaying the second power supply controlling apparatus, according to interruption of the communication between the first power supply controlling apparatus and the second power supply controlling apparatus.

Abstract: A power supply controlling apparatus including: plural communication ports that connect to an information processing apparatus via plural communication devices, respectively; a switching portion that switches a setting of at least one of the communication ports so as to connect the at least one of the communication ports to any one of a data input and output device and one of the communication devices; and a transmission portion that, when the switching portion switches the setting of the at least one of the communication ports so as to connect the at least one of the communication ports to the one of the communication devices, and the communication devices are connected to the communication ports, respectively, transmits an e-mail in which an address of each of the communication ports has been described, to the information processing apparatus via the corresponding communication device connected to each of the communication ports.

Abstract: The following disclosure provides a power strip including: a busbar electrically connected to a power source; multiple electrical outlets allowing multiple power plugs to be inserted thereinto, respectively; distribution bars which are branched out from the busbar and respectively supply the electrical outlets with electric currents of the power source; and a plurality of electric current measurement units each configured to measure the electric current flowing through a corresponding one of the distribution bars.