Abstract: A radio IC tag reader comprises: a first variable frequency oscillation section for generating a signal having a frequency meeting a unit radio channel used for transmission/reception to/from a radio IC tag; transmission and reception sections for executing transmission/reception to/from the radio IC tag by using the signal; a second variable frequency oscillation section for changeably generating a signal of a frequency meeting a unit radio channel for measuring the strength of a received electric wave; a carrier sense executing section for measuring strength of a received electric wave in each of the unit radio channels by using the signal; and a main control section for controlling the first variable frequency oscillation section so as to generate a carrier signal having a frequency meeting the next unit radio channel used by the transmission and reception sections based on a result of measurement by the carrier sense executing section, upon passage of a continuous transmittable time after start of transmi

Abstract: A sheet identifying device comprising a light-receiving section (26) for reading each pixel on a sheet which involves color information including a brightness, has a predetermined size, and is handled as one unit, a RAM (114) for storing image data constructed of read pixels, a pixel data increasing/decreasing section (116a) for increasing/decreasing the number of pixels of the image data, and a judging section for judging authentication of the sheet on the basis of the increased/decreased image data.

Abstract: Numeral values relating to depletion can be managed in real time on a component-by-component (unit-by-unit) basis. A value managing device is provided, and manages the current asset values of constituent elements by reading identification information from IC tags or the like attached to constituent elements (e.g., components, units, parts) constituting a game-playing machine and storing identification information (e.g., part IDs) for uniquely identifying the constituent elements. The value managing device includes: a storage section storing the dates of acquisition and acquisition prices of the constituent elements in association with the identification information; and a value computing section for computing the current assets of the constituent elements from the dates of acquisition and acquisition prices of the constituent elements corresponding to the identification information read from the IC tags or the like.

Abstract: [PROBLEM(S)] To provide a wireless IC tag which is readable even in a plurality of countries (destination countries) using different radio frequency bands for reading. [MEANS FOR SOLVING THE PROBLEM(S)] The wireless IC tag of the present invention is characterized by comprising: a case (20); an antenna (60), which is provided in the case (20); a metal plate (901), which is disposed in the case opposite to the antenna (60); and a mechanism for altering the resonance characteristics of the wireless IC tag (10) by moving at least one of the antenna (60) and the metal plate (901) in the case (20), thereby altering the distance (D) between the metal plate (901) and the antenna (60).

Abstract: The present invention relates to the technology of recognizing and reading each game chip although game chips are stacked. The present invention is a game chip storing data readable by a reader/writer having an antenna which emits an electromagnetic wave and available in a stack of game chips, and includes: an IC device for communicating data at a request from the reader/writer; an antenna electrode connected to the IC device, and configured such that the antenna electrode can enter a resonant state with an antenna of the reader/writer through an electromagnetic wave; and a reflection member for reflecting an electromagnetic wave reflected from the antenna of the reader/writer toward upper game chips in the stack.

Abstract: An access control system and device is provided which is capable of preventing, if the system operates, and then, a door, etc., is opened, the entry of a third party due to abuse of an opportunity of the opening. An access control system (1) includes: a reader/writer (30) for reading the identification information and measuring a signal state at a time of reading the identification information; an imaging device (50) for imaging periphery of the pass point; and an access control device (10), which judges whether or not an access is possible, based upon outputs of the reader/writer (30) and the imaging device (50).

Abstract: Antennas 21 generate electromagnetic waves that cause an RFID tag to generate electricity, the RFID tag being provided in a game chip placed on an upper surface of a betting board 4. A plurality of the antennas 21 are provided in association with each bet portion 3 on the betting board 4. Antennas 31 receive a signal from the RFID tag. Each of the antennas 31 is provided in association with the plurality of antennas 21. A set of the plurality of antennas 21 associated with the respective antennas 31 is driven while successively being changed over among the antennas 21, for each set of the antennas 21 associated with each antenna 31. Further, each antenna 31 is driven at least while any of the plurality of antennas 21 associated with this antenna 31 generates electromagnetic waves.

Abstract: A wireless IC tag reader includes a receiving antenna, a transmitting antenna and a beam direction control unit. The receiving antenna has a maximum beam direction and a half-value angle. The transmitting antenna has a maximum beam direction and a half-value angle narrower than the half-value angle of the receiving antenna. The beam direction control unit changes the maximum beam direction of the transmitting antenna.

Abstract: A non-contact IC card can accept a frequency band different from the main receive frequency band of the non-contact IC card. The non-contact IC card has a main antenna supporting a first frequency band and an IC device connected to the main antenna for data transmission and reception. An attaching body, detachably attached to the non-contact IC card has a sub-antenna supporting a second frequency band different from the first frequency band. When the attaching body is attached to the non-contact IC card, the sub-antenna is capacitively coupled to the main antenna.

Abstract: An IP telephone system according to the present invention includes a plurality of communication devices T1, T2 allowed to mutually communicate through a network (IP network); a server for executing a connection starting process of communication between the communication devices, as well as for controlling communication data transmitted and received between the server and the communication devices during the communication between the communication devices; and a data transmission and reception controller for mutually switching, upon input of a predetermined command, a communication mode between a standard communication mode and a power-saving communication mode in a condition that communication connection is established between the communication devices upon execution of the connection starting process. The sound data is transmitted and received between the communication devices and the server in the standard communication mode.

Abstract: It is an object of the present invention to avoid communication congestion and collision by effectively assigning a unit radio channel for transmission and reception to RFID tag readers using the same unit radio channel group. Herein disclosed is an RFID tag reading system for reading an RFID tag using a reader/writer used in a low-output RFID tag reading system capable of using channels 1 to 9 available for a reader/writer used in a high-output RFID reading system and channels 10 to 14 not available for a reader/writer used in the high-output RFID tag reading system. The RFID tag reading system receives an RSSI indicative of a received radiowave strength on each of unit radio channels measured by the reader/writers, and assigns channels 1 to 14 preferentially to channels 1 to 9 based on the RSSI.

Abstract: The present invention relates to the technology of recognizing and reading each game chip although game chips are stacked. The present invention is a game chip storing data readable by a reader/writer having an antenna which emits an electromagnetic wave and available in a stack of game chips, and includes: an IC device for communicating data at a request from the reader/writer, an antenna coil which is connected to the IC device, gets into electromagnetic coupling with an antenna of the reader/writer, can provide electric power to the IC device, is configured to enter a resonant state through an electromagnetic wave, and can transfer data to the reader/writer by load modulation, and a booster coil for configuring a resonant circuit by electromagnetic coupling through an electromagnetic wave from the reader/writer.

Abstract: An output terminal has an electronic data item receiving unit, an identification code receiving unit, a determination unit, and an output unit. The electronic data item receiving unit receives an electronic data item. When a person exists within a predetermined range from the output terminal, the identification code receiving unit receives an identification code concerning the person. The determination unit determines whether the identification code received by the identification code receiving unit is authentic or not. When the determination unit determines that the identification code is authentic, the output unit outputs the electronic data item received by the electronic data item receiving unit.

Abstract: A data reader can read data regardless of the position of a radio IC tag. The data reader reads data at a separate position from a radio IC tag provided with a storage unit storing data and a communicating antenna for transmitting the data stored in the storage unit, and includes a reader/writer for generating a modulated signal by modulating a carrier wave and a plurality of antenna units for transmitting radio waves for a read for communicating data with a storage medium by radiating the modulated signal into the air. The reader/writer includes a phase adjustment circuit for changing the phase of a carrier wave.

Abstract: To prevent calculation errors and fraudulent acts and reduce cost by automatic monitoring, a wirelessly communicating game monitoring system includes an identifying information recording device, attached to playing cards or the like, for recording identifying information of the card; an identifying information reading device for reading wirelessly the information recorded in the identifying information recording device; a control device for performing various kinds of calculations or determinations required in the process of games using the identifying information read with the identifying information reading devices; and a display divce for displaying the results of the calculation or determination made with the control divce. The system also includes stake money handling devices for players to operate and enter stake money amounts, an output divce for outputting summed results after the end of games, and a recording divce for recording identifying information and calculation results.

Abstract: An account adjusting system according to an embodiment of the invention comprises a game machine that pays an award corresponding to a kind of a prize of a game; and an account adjusting apparatus that adjusts an account for a user. The game machine has a paying section for determining an award corresponding to a kind of a prize of a game and a determining section for determining whether or not tax payment is required based on the award determined by the paying section, and when determining that tax payment is required, transmitting award information indicative of the award to the account adjusting apparatus. The account adjusting apparatus has a receiving section for receiving the award information; a tax payment amount calculating section for calculating a tax payment amount based on the award information; and a tax payment certificate providing section for producing an output to prepare a tax payment certificate based on the tax payment amount.

Abstract: A wireless communication failure monitoring system, having: a terminal device capable of transmitting and receiving data wirelessly; a wireless transmitting and receiving device that has a sensor for measuring an element that changes a communication environment in a wireless transmission channel between the terminal device and the wireless transmitting and receiving device; and a wireless communication failure monitoring device that receives a log, which is generated on the basis of a communication execution report indicating an execution result of wireless communication performed between the wireless transmitting and receiving device and the terminal device, and data indicating a result of measurement of the element outputted from the sensor, and determines the occurrence of a communication failure on the basis of this log.

Abstract: A communication device location specifying system has a plurality of wireless communication devices, a location specifying device that specifies locations of the plurality of wireless communication devices, and a plurality of access points that are wirelessly connected to the plurality of wireless communication devices and relay the exchange of data between each wireless communication device and the location specifying device. Each of the wireless communication devices measures the intensity of an electric wave received from each of the access points, and transmits electric wave intensity measurement data indicating the measured intensity of the electric wave to the location specifying device via the access point, and the location specifying device calculates the locations of the plurality of wireless communication devices on the basis of the electric wave intensity measurement data.

Abstract: To reduce monitoring staff and reduce cost by automating monitoring, a card game monitoring system includes a wirelessly communicating, identifying information recording device embedded in a card for recording information for identifying itself; identifying information reading devices provided at a card takeout slot of a card distributor in contact with the card at the start of a game and in card distribution areas of a card game table in contact with the card in the middle of the game, for reading by wireless communication the identifying information; a control device for monitoring consistency between the identifying information read with the identifying information reading device at the start of the game and the identifying information read likewise in the middle of the game by comparing both pieces of the identifying information; a notifying lamp for issuing a notice of information inconsistency, if any; a recording device for recording identifying information and results of monitoring; and an invalidatin

Abstract: A server comprises an electronic data item receiving unit, an identification code receiving unit, an identification code storing unit, and an electronic data item transmitting unit. The electronic data item receiving unit receives an electronic data item. When a person exists within a predetermined range from an output terminal, the identification code receiving unit receives a first identification code concerning any one of the person and a device used by the person and a second identification code for identifying the output terminal. The identification code storing unit stores therein the first and second identification codes received by the identification code receiving unit, in association with each other. The electronic data item transmitting unit transmits the electronic data item received by the electronic data item receiving unit to a corresponding output terminal based on the first and second identification codes stored in the identification code storing unit.