Abstract: Provided is a position estimation method in which a measurement signal and a response signal are transmitted and received between multiple n wireless stations respectively provided with known antennas installed at known positions different from each other and a wireless terminal station provided with a terminal antenna, RTT, which is a round-trip delay time of the transmission and reception, and RSSI, which is a strength of received radio waves of the signals, are measured, and a position of the wireless terminal station is estimated. The method includes: obtaining, as the position of the wireless terminal station, a solution of simultaneous equations of an RTT evaluation function fti for evaluating the estimate value of the position of the wireless terminal station that is estimated based on the RTT measured between the wireless terminal station and the known antenna i (i=1, 2, . . .

Abstract: An object is to enable high-accuracy position estimation of a wireless terminal station by efficiently performing connection between a wireless base station and the wireless terminal station using multiple distributed antennas.

Abstract: A predetermined radio base station and subordinate radio terminals detect signals (beacons) regularly transmitted by other radio base stations, transmit information about radio channels and base station identifiers of the detected signals, and position information about the radio terminals to an interference area detection device to aggregate the information and the position information as a base station-base station detection list and a terminal-base station detection list.

Abstract: There are provided an information collecting device configured to collect a frame A transmitted and received between a wireless LAN base station that is an evaluation target and a wireless LAN terminal subordinate to the wireless LAN base station that is the evaluation target and a frame B transmitted and received between a wireless LAN base station that is a non-evaluation target and a wireless LAN terminal subordinate to the wireless LAN base station that is the non-evaluation target, and extract radio information on communication quality of each of the wireless LAN base stations from a header of a corresponding one of the frames A and B, and a wireless LAN communication quality estimation device configured to acquire, from the wireless LAN base station that is the evaluation target, information on the number of currently connected wireless LAN terminals, acquire, from the information collecting device, the radio information on the communication quality of each of the wireless LAN base stations, and analyze

Abstract: A plurality of access points configured to communicate with a subordinate wireless LAN terminal, an information collecting device configured to collect a frame respectively transmitted and received between the plurality of access points and the wireless LAN terminal, and extract information on communication quality of an access point of the plurality of access points from a header of the frame, and an information collecting server configured to acquire the information on the communication quality of the access point from the information collecting device, analyze the information to determine whether the communication quality is good or bad for each of the plurality of access points, and execute processing of externally displaying or notifying a result that is determined are included.

Abstract: In a wireless information collecting method executed by at least one user terminal device that measures wireless information used in a site survey and a server device that stores the wireless information and performs the site survey, the user terminal device performs a step of periodically measuring a current position and transmitting positioning information indicating the current position to the server device, and a step of measuring the wireless information in accordance with a wireless information measurement number instructed by the server device and transmitting wireless information including a position and time to the server device.

Abstract: There are provided a plurality of radio devices detecting an interference source signal transmitted by an interference source and generating pieces of air time information showing whether the interference source signal exists or not for each predetermined time unit; and an aggregation device estimating air time of the interference source by acquiring the pieces of air time information from the plurality of radio devices and aggregating/integrating the acquired pieces of air time information for each predetermined unit time, matching timings.

Abstract: A wireless base station and a first wireless terminal include means for collecting first wireless performance information regarding wireless communication in both a downstream direction and an upstream direction and transmitting the first wireless performance information to a wireless performance measurement device. The wireless base station and a second wireless terminal include means for collecting second wireless performance information regarding wireless communication in both the downstream direction and the upstream direction and transmitting the second wireless performance information to the wireless performance measurement device.

Abstract: An object is to enable high-accuracy position estimation of a wireless terminal station by efficiently performing connection between a wireless base station and the wireless terminal station using multiple distributed antennas.

Abstract: A paper sheet handling apparatus includes a plurality of mechanical units including a paper sheet handling unit, the plurality of mechanical units each including a processor, a programmable logic device (PLD) controlled by the processor, a first mechanical module including a first mechanical element controlled by the PLD, and an interface that connects a second mechanical module including a second mechanical element, wherein when the processor detects connection of the second mechanical module via the interface, the processor reads, from a second storage included in the second mechanical module, the second storage storing second firmware of the processor configured to control the first mechanical element and the second mechanical element and second data for use in configuring a logic circuit of the PLD configured to control the first mechanical element and the second mechanical element, the second firmware to load the second firmware onto the processor.

Abstract: An electronic endoscope of the invention includes: an insertion portion to be inserted into a subject; a distal end rigid portion including a distal end portion and a proximal end portion, the distal end rigid portion being made of resin and provided at a distal end portion of the insertion portion; a bending tube made of metal and provided continuously with the distal end rigid portion; objective optical systems provided at the distal end rigid portion; an image pickup unit that picks up images formed by the objective optical systems; an illumination lens barrel made of metal, the illumination lens barrel holding an illumination optical system provided at the distal end rigid portion and being extended in a direction of the proximal end portion; and a first conductive portion that establishes electrical conduction between the bending tube and the illumination lens barrel.

Abstract: A control unit; a banknote handling module that includes a conveying mechanism, a first control circuit, and a second control circuit that is controlled by the first control circuit and that controls the conveying mechanism; a power supply unit; a first power supply cable that supplies electrical power from the power supply unit to the first control circuit; and a second power supply cable that supplies electrical power from the power supply unit to the second control circuit. The first control circuit includes a first connecting portion to which the first power supply cable is connected and a first hot plug-in circuit that is connected to the first connecting portion. The second control circuit includes a second connecting portion to which the second power supply cable is connected and a second hot plug-in circuit that is connected to the second connecting portion.

Abstract: An endoscope includes: an insertion section configured to be inserted into a subject; a bending section disposed on a distal end side of the insertion section and bendable in at least one direction; a distal end member connected to a distal end side of the bending section and having a passage to allow a treatment tool to project from the distal end member; a tube inserted into the bending section to allow the treatment tool to be inserted into the tube and having a recessed portion on an inner surface of a distal end side of the tube; and a connection section having a central axis and having one end fixed to the distal end member to be communicated with the passage, and having a projecting portion at the other end of the connection section, projecting along the central axis so as to be fitted into the recessed portion.

Abstract: A control unit; a banknote handling module that includes a conveying mechanism, a first control circuit, and a second control circuit that is controlled by the first control circuit and that controls the conveying mechanism; a power supply unit; a first power supply cable that supplies electrical power from the power supply unit to the first control circuit; and a second power supply cable that supplies electrical power from the power supply unit to the second control circuit. The first control circuit includes a first connecting portion to which the first power supply cable is connected and a first hot plug-in circuit that is connected to the first connecting portion. The second control circuit includes a second connecting portion to which the second power supply cable is connected and a second hot plug-in circuit that is connected to the second connecting portion.

Abstract: A lens unit for an endoscope includes: a lens holding frame provided with a through hole extending from a distal end side to a proximal end side; a convex portion; a first lens including a first portion arranged on the distal end side, and a second portion whose outside edge forms a step portion to which the convex portion is housed; and a second lens arranged near the distal end side. The second lens is positioned closer to the proximal end than an end portion of the lens holding frame on the distal end side in a first state where the second portion is arranged closer to the proximal end than the first portion. At least a part of the second lens protrudes from the end portion in a second state where the first portion is arranged closer to the proximal end than the second portion.

Abstract: An endoscope includes: a connector portion for electrically coupling to an external connector. The connector portion includes: a base portion having a tubular shape; and a tubular sleeve portion extending from the base portion, at least a part of an end portion of the sleeve portion being provided with a cutout portion. When a water-resistant cap is installed at the connector portion, the endoscope takes any state of a first state where an abutting portion of the water-resistant cap configured to abut on the sleeve portion abuts on the sleeve portion on a side of the base portion with respect to the cutout portion to hold an airtightness between the water-resistant cap and the connector portion, and a second state where the abutting portion abuts on or faces the sleeve portion including the cutout portion to make non-airtight between the water-resistant cap and the connector portion.

Abstract: An endoscope includes an insertion portion; an operation portion; a balloon water injection channel; a first opening portion; a balloon pipe sleeve provided with a first end portion and a second end portion; a branch channel connection unit; a rotation restriction portion; and a connecting tube on which the branch channel connection unit is assembled.

Abstract: A first convex portion is arranged at an outer peripheral portion of a first support portion constituting a distal end portion of an insertion portion, and a protruding amount of the first convex portion is set such that an outer peripheral length of the distal end portion including the first convex portion is smaller than an outer peripheral length determined based on a distal end outer diameter as an effective outer diameter of the distal end portion, to thereby ensure durability without an unnecessary increase in a size of the distal end portion and improve insertability of the distal end portion into a subject.

Abstract: An electronic endoscope of the invention includes: an insertion portion to be inserted into a subject; a distal end rigid portion including a distal end portion and a proximal end portion, the distal end rigid portion being made of resin and provided at a distal end portion of the insertion portion; a bending tube made of metal and provided continuously with the distal end rigid portion; objective optical systems provided at the distal end rigid portion; an image pickup unit that picks up images formed by the objective optical systems; an illumination lens barrel made of metal, the illumination lens barrel holding an illumination optical system provided at the distal end rigid portion and being extended in a direction of the proximal end portion; and a first conductive portion that establishes electrical conduction between the bending tube and the illumination lens barrel.

Abstract: A holding frame made of a material to bear a greater shear stress than a distal end portion rigid portion (a distal end portion) is adhered and fixed to the distal end rigid portion in a state where one end face is exposed from an inclined surface, and an image guide and a light guide are held through the holding frame. In addition, a groove is provided on a side surface of the holding frame and one end of the groove is exposed on a distal end face (the inclined surface) of the distal end rigid portion, to thereby realize downsizing of the distal end portion without lowering durability and improve repairability.