Abstract: An electrical energy storage unit (120) of an excavator includes an electrical energy storage device (19) that accumulates electric power generated by a generator and an electric circuit that controls a charge/discharge operation of the electrical energy storage device. An abnormality detection part detects an abnormality of the electrical energy storage unit (120). An electrical energy storage state estimation part of the abnormality detection part obtains an estimation value of an electrical energy storage state of the electrical energy storage device (19) based on a voltage detection value obtained by a voltage detection part and a current detection value obtained by a current detection part. An abnormality determination part of the abnormality detection part makes an abnormality determination based on the estimation value obtained by the electrical energy storage state estimation part.

Abstract: The medical device system includes: first and second medical devices that are used in the body cavity and surfaces of which have conductivity; a first electrode electrically connected to the surface of the first medical device; a second electrode electrically connected to the surface of the second medical device; a resistance measuring unit for measuring an inter-device resistance value between the first electrode and the second electrode; a threshold storing unit for storing a predetermined lower limit threshold of the inter-device resistance value; a determining unit for determining, when the inter-device resistance value is lower than the inter-device resistance threshold, that the first medical device and the second medical device come into contact with each other; and a warning generating unit for generating a warning.

Abstract: The present invention provides a high frequency circuit, a high frequency circuit component, and a communication apparatus that uses the same, the circuit capable of being used for different communication systems, having a high receiving sensitivity and restraining the loss of transmission power. A high frequency circuit of the present invention includes: a first antenna terminal (ANT1) and a second antenna terminal (ANT2); and at least a transmitting terminal (Tx) and a first and a second receiving terminal (Rx1, Rx2) for a first communication system. With each switch, the first and the second receiving terminals (Rx1, Rx2) can be each simultaneously connected to the first and the second antenna terminals (ANT1, ANT2). Also, the transmitting terminal (Tx) is selectively connectable to either of the first and second antenna terminals (ANT1, ANT2).

Abstract: In a high frequency antenna switch module, an I/O interface generates various control signals for controlling a switch module on the basis of a system data signal and a system clock, a decoder generates a switch control signal SWCNT for controlling a switch in response to a control signal CNT in the control signals, a timing detector for switch-ports switching generates a switch-port switching detection signal t_sw in response to the switch control signal, a frequency control signal generator generates frequency control signals ICONT and CCONT in response to the signal t_sw, and a negative voltage generation circuit generates a negative voltage output signal NVG_OUT while switching the frequency of the clock signal generated in the negative voltage generation circuit to different frequencies in response to signals ICONT and CCONT. The switch switches the paths among the plural switch ports in response to the signals SWCNT and NVG_OUT.

Abstract: A charge accumulating circuit accumulates regeneration power. The charge accumulating circuit includes a DC bus line which is connected to a smoothing capacitor, a charge accumulating capacitor with an internal resistance, and a converter which connects the DC bus line and the charge accumulating capacitor to each other, and performs a charge/discharge operation. The control device changes the OFF state of the first switch to the ON state when the start key is turned on, measures a physical quantity involved with a discharge characteristic of the charge accumulating capacitor, and calculates at least one of the internal resistance and a capacitance of the charge accumulating capacitor on the basis of a measurement result.

Abstract: An insertion aid including a long guide portion arranged relatively movable in a longitudinal direction along an insertion portion of an endoscope to be inserted into a subject, the guide portion being able to undergo a state change between a first state where flexural rigidity is low, and a second state where flexural rigidity is high, wherein the guide portion includes a strength variable member arranged to extend along a longitudinal direction of the guide portion and whose strength varies according to temperature, and wherein a flexural rigidity of a proximal end side of the guide portion is set to be relatively higher than the flexural rigidity of a distal end side by setting a boundary temperature at which a proximal end side of the strength variable member starts hardening to be relatively lower than the boundary temperature of a distal end side of the strength variable member.

Abstract: A medical apparatus includes a first medical device, a second medical device, an integrated inputting device, and an integrated control device. The first medical device includes an insertion portion having a bending portion that is bent by a first driving portion and a first control device controlling the first driving portion. The second medical device includes an external force applying portion applying an external force to the insertion portion, a second driving portion allowing the external force applying portion to be operated, and a second control device controlling the second driving portion. The integrated inputting device instructs a distal end of the insertion portion to be moved to a target position or a target posture or in a target direction. Integrated control device controls at least one of the first driving portion and the second driving portion on the basis of an instruction from the integrated inputting device.

Abstract: Provided is a working machine capable of decreasing a voltage of a DC busbar (DC bus) with a configuration suppressing a degradation in reliability. A hybrid type construction machine as a working machine includes: a DC bus which is connected to a rotation motor via an inverter circuit, a battery which is connected to the DC bus via a step-up/step-down converter and a switch, a controller which drives the inverter circuit and the step-up/step-down converter, a cooling liquid circulating system which includes a pump motor, and an inverter circuit which is connected to the DC bus and driving the pump motor. The controller includes a mode used for decreasing the voltage of the DC bus, and in that mode, the switch enters a disconnection state and the inverter circuit is operated to consume electricity in the pump motor.

Abstract: A high frequency switch circuit according to the present invention includes a control-voltage-generating circuit. The control-voltage-generating circuit includes a depletion type field-effect transistor, an external-control-signal-input terminal, an internal-control-voltage-output terminal, and a power-receiving terminal of the control-voltage-generating circuit. The field-effect transistor has a grounded gate, a source connected to the external-control-signal-input terminal, and a drain connected to the power-receiving terminal. The internal-control-voltage-output terminal is connected to an electrical connection path between the drain of the field-effect transistor and the power-receiving terminal.

Abstract: A motor generator control unit controls operation of a motor generator which generates power using a driving force transmitted from an engine. A charge/discharge control unit electrically connects a first capacitor and a second capacitor and controls charging/discharging of power between the first capacitor and the second capacitor in response to an externally supplied control signal. A motor which is electrically connected to the second capacitor is capable of regenerating electric energy and storing the regenerated energy in the second capacitor. A control device supplies a control signal to at least one of the motor generator control unit and the charge/discharge control unit and reduces a target charging value of at least one of the first capacitor and the second capacitor before the motor regenerates energy.

Abstract: An electric power accumulating means (30) includes a DC bus connected to an electric power accumulator (19) and supplies a direct current, a smoothing capacitor provided to the DC bus, and a voltage detector (23) that detects a voltage of the DC bus. The generator (12) generates an induced voltage E by being rotationally driven by an engine (11) when starting the engine (11). Degaussing of a permanent magnet of the generator is determined by performing a comparison between the induced voltage E detected by the voltage detector (23) and a previously set reference induced voltage RE.

Abstract: A charge accumulating circuit accumulates regeneration power. The charge accumulating circuit includes a DC bus line which is connected to a smoothing capacitor, a charge accumulating capacitor with an internal resistance, and a converter which connects the DC bus line and the charge accumulating capacitor to each other, and performs a charge/discharge operation. The control device changes the OFF state of the first switch to the ON state when the start key is turned on, measures a physical quantity involved with a discharge characteristic of the charge accumulating capacitor, and calculates at least one of the internal resistance and a capacitance of the charge accumulating capacitor on the basis of a measurement result.

Abstract: The medical device system includes: first and second medical devices that are used in the body cavity and surfaces of which have conductivity; a first electrode electrically connected to the surface of the first medical device; a second electrode electrically connected to the surface of the second medical device; a resistance measuring unit for measuring an inter-device resistance value between the first electrode and the second electrode; a threshold storing unit for storing a predetermined lower limit threshold of the inter-device resistance value; a determining unit for determining, when the inter-device resistance value is lower than the inter-device resistance threshold, that the first medical device and the second medical device come into contact with each other; and a warning generating unit for generating a warning.

Abstract: A high frequency switch circuit according to the present invention includes a control-voltage-generating circuit. The control-voltage-generating circuit includes a depletion type field-effect transistor, an external-control-signal-input terminal, an internal-control-voltage-output terminal, and a power-receiving terminal of the control-voltage-generating circuit. The field-effect transistor has a grounded gate, a source connected to the external-control-signal-input terminal, and a drain connected to the power-receiving terminal. The internal-control-voltage-output terminal is connected to an electrical connection path between the drain of the field-effect transistor and the power-receiving terminal.

Abstract: An endoscopic surgical apparatus includes a treatment accessory configured to be inserted through a channel of an endoscope, including a treatment portion with a treatment function, and having a movement function, a setting unit configured to set a reference position as a reference in treatment by the treatment accessory and a reference direction relative to the reference position, a detecting unit configured to detect a movement state of the treatment accessory in the reference direction relative to the reference position, a control unit configured to control the movement function or the treatment function on the basis of the movement state.

Abstract: A medical instrument, includes: an insertion section having a treatment instrument projection port and an active bending section at a position on the insertion section's proximal end portion side of the treatment instrument projection port; a joystick by which an operation of the active bending section is inputted; a driving section for driving the active bending section; and a control section for controlling the joystick and the driving section, and the control section having an active bending section which performs a control in one control mode selected from a plurality of different control modes.

Abstract: A medical apparatus includes a first medical device, a second medical device, an integrated inputting device, and an integrated control device. The first medical device includes an insertion portion having a bending portion that is bent by a first driving portion and a first control device controlling the first driving portion. The second medical device includes an external force applying portion applying an external force to the insertion portion, a second driving portion allowing the external force applying portion to be operated, and a second control device controlling the second driving portion. The integrated inputting device instructs a distal end of the insertion portion to be moved to a target position or a target posture or in a target direction. Integrated control device controls at least one of the first driving portion and the second driving portion on the basis of an instruction from the integrated inputting device.

Abstract: A medical device includes: a body electrode disposed in contact with a human body; a tubular instrument having a distal electrode at a distal end portion of an insertion portion inserted into the body and a plurality of active joints for changing an orientation and a position of the distal end portion at the insertion portion; a plurality of joint position information detecting sections for respectively acquiring joint position information of the plurality of active joints; and a storage section for storing the joint position information respectively acquired by the plurality of joint position information detecting sections based on conduction between the body electrode and the distal electrode.

Abstract: In an amplifying circuit using a grounded-emitter high frequency signal amplifying bipolar transistor, the value of impedance of a bias circuit as seen from the base terminal of the bipolar transistor is made optimum in the baseband frequency. More specifically, the resistance value of a base ballast resistor Rbias connected to the base terminal of the bipolar transistor is set to a range within ±50% of [Vt/Ibq?(?·Re+Rb)] being “ideal resistance value”, where Ibq is static base current, ? is the gain of the transistor, Re and Rb are parasitic resistance of the emitter terminal and base terminal, respectively, and Vt is voltage defined by (kT/q).

Abstract: In an amplifying circuit using a grounded-emitter high frequency signal amplifying bipolar transistor, the value of impedance of a bias circuit as seen from the base terminal of the bipolar transistor is made optimum in the baseband frequency. More specifically, the resistance value of a base ballast resistor Rbias connected to the base terminal of the bipolar transistor is set to a range within ±50% of [Vt/Ibq?(?·Re+Rb)] being “ideal resistance value”, where Ibq is static base current, ? is the gain of the transistor, Re and Rb are parasitic resistance of the emitter terminal and base terminal, respectively, and Vt is voltage defined by (kT/q).