Abstract: A head set apparatus capable of a wireless communication by a predetermined wireless communication system. The wireless communication system includes at least a first communication mode and a second communication mode. The first communication mode enables a data transfer with a partner apparatus and a second communication mode carries out a wireless communication with the partner apparatus with a period shorter than that of the communication in the first communication mode while the wireless connected state remains. The head set apparatus includes a communication section for carrying out a wireless communication by the predetermined wireless communication system and a control section for making the head set function as a head set when the communication state in the communication means is in the first communication mode and for making the head set function as a wireless key for security when the communication state is in the second communication mode.

Abstract: A mobile phone terminal is provided in which first and second housings can be set to open and close states via a hinge portion. In the case that the terminal is at least in the close state and an electronic wallet function is locked, when side keys, namely, an “F” key, and a camera key, are depressed in an authentication registration sequence, then an electronic wallet lock can be temporarily released. On the other hand, in the case that the terminal is in the open state, when a personal ID number is input by using, for example, ten keys provided on the first housing, then the electronic wallet lock can be released. Thereby, in the mobile electronic apparatus enabling the apparatus shape to be changed, a security function is maintained, and concurrently, the lock of the electronic wallet function can be easily and speedily released.

Abstract: Disclosed herein is a portable communication terminal wherein: an upper case is connected, at its lower end position, to a lower case so as to be slidable and rotatable about a shaft substantially perpendicular to a display screen of a display portion; the lower case has, on its inner main surface, a main operating portion equipped with various keys; and the display portion, even in a closed state of the upper case, is exposed; a shutter button is disposed on an outer side face of the lower case. The device is designed such that when the shutter button is depressed long in a closed state of the upper case, a shift is made to an imaging mode. The imaging mode allows a user to utilize the display screen of the display portion as a finder and to permit imaging in accordance with the user's operation of the shutter button. The device is also designed such that when the upper case is opened, the imaging operation is inhibited.

Abstract: A portable information terminal has a first casing with operating buttons primarily mounted thereupon, and a second casing with primarily an output screen exposed. A sliding supporting member and casing turning supporting member are provided which realize a state wherein the first casing and second casing are overlapped, a state of mutually sliding, and a state wherein the first casing and second casing are turned to do away with any mutually overlapped portions. The sliding supporting members are positioned on both sides of the first casing and the casing turning supporting member is positioned on the central portion of the first casing. Thus, a sliding-type portable information terminal is provided with an expanded operating face and output face by doing away with any overlapped portions.

Abstract: A portable information terminal has a first casing, a second casing, a sliding mechanism to maintain a portable state wherein the first casing and second casing are overlapped, and a turning mechanism to modify the from the portable state, via a sliding state wherein the first casing and second casing mutually slide, into a usable state. The sliding mechanism engages with sliding grooves provided on each of the first casing and second casing, and provides axially supported sliding members. The turning mechanism has a member to limit the turning angle of the sliding members, whereby a state can be maintained when usable of the first casing and second casing forming a single face. Thus, a sliding-type portable information terminal is provided with an expanded operating face and output face by doing away with any overlapped portion.

Abstract: A radio communication terminal has a plurality of matching circuits that optimize the efficiency of a power amplifier for a range of different battery voltages. A first matching circuit optimizes the efficiency of the power amplifier for a battery voltage higher than a predetermined threshold value. A second matching circuit optimizes the efficiency of the power amplifier at a voltage lower than the threshold value. A control section compares a detection result of a battery voltage from a voltage monitor section with the threshold value, and performs switching between the plurality of matching circuits.

Abstract: A reader/writer is provided. The reader/writer performing radio communication with a radio communication terminal in close proximity thereto, includes: an antenna which transmits a carrier wave of a predetermined frequency and which receives a composite wave of the carrier wave and a modulated signal of the carrier wave transmitted from the radio communication terminal; a demodulating unit which demodulates the composite wave received by the antenna; a judging unit which judges whether or not it is difficult to detect a modulated component included in the composite wave received by the antenna when the radio communication terminal is in close proximity; and a carrier-wave control unit which reduces a component of the carrier wave input into the demodulating unit when the judging unit judges that it is difficult to detect the modulated component.

Abstract: A rotational supporting mechanism, which supports a main body and a cover, includes an eccentric cam. The main body and the cover are superposed in a closed position. From the closed position, the cover is rotated 180 degrees and stopped at a 180-degree rotational position in an open position. The eccentric cam rotates eccentrically. The pressing means presses a cam surface of the eccentric cam in a direction of a line connecting a portion of the eccentric cam corresponding to the closed position and a portion of the eccentric cam corresponding to the open position when the main body and the cover are superposed in the closed position. Rotation of the cam is stopped in the open position and the closed position.

Abstract: An optical input device has a display screen, a portion of the display screen being shielded from light by an operating member to implement input processing based on a plurality of input modes. The input device includes an input detection unit including a display unit that displays predetermined input information, and a control unit. The input detection unit detects an area and/or brightness of a light-shielded portion formed on the display screen by the operating member by approaching the display unit. The control unit provides display control of the display unit and input control on the basis of the detected area and/or brightness. The control unit compares the detected area and/or brightness with a predetermined threshold value to select a desired input mode from among the plurality of input modes.

Abstract: A communication terminal device includes: a turbo encoder that performs two systems of convolutional encoding with respect to input data and preforms turbo encoding processing with in-block interleave preformed on one of the two systems using an internal interleaver. Rate matching (puncturing) units which puncture an output of the turbo encoder based on a predetermined rate matching algorithm and interleavers, which change the output of the turbo encoder such that a puncturing cycle based on the rate matching algorithm of the rate matching units is changed. Accordingly, turbo code performance is improved.

Abstract: A channel quality estimation method for estimating a channel quality of an estimation object channel based on a pilot signal in a communication system where a pilot channel for transmitting the pilot signal and the estimation object channel, whose channel quality is to be estimated, have different bandwidths.

Abstract: A software updating method for updating software stored as compressed code in a nonvolatile memory provided in a portable terminal on the basis of differential data via wireless communication includes the steps of providing a file system area having a fault-tolerant property; decompressing, at the execution of software updating, the compressed code of the software and loading the decompressed code into a random-access memory; updating the software in the random-access memory on the basis of the differential data; compressing the updated software; and storing a backup of a compressed updated code sequence corresponding to a compressed updated portion of the compressed updated software in the file system area and then writing the compressed updated code sequence corresponding to the compressed updated portion of the compressed updated software back to the nonvolatile memory.

Abstract: In order to avoid disappearance of output symbols in accompaniment with DC voltage fluctuations occurring at the timing of switching gain in receiving systems for mobile telephones or the like compatible with W-CDMA systems, the present invention provides a variable gain amplifier circuit, a gain control circuit and a mobile communication terminal apparatus, in which a PGA section is comprised of PGAs having different amplification widths continuously arranged in plural stages as in, two coarse adjustment PGAs, a fine adjustment PGA and a coarse adjustment PGA from the input side to the output side; and a gain control circuit has a memory storing a history of gain control with regard to the PGA section and a logic circuit individually controlling gain of each PGA.

Abstract: A communication terminal apparatus and a wireless key apparatus including judgment means for judging or presuming the wireless communication state or the wireless communication distance in a communication circuit. The communication terminal apparatus and the wireless key apparatus are wireless-connected, and in a case when a communication state for carrying out a wireless communication intermittently is set in each communication circuit and there is judgment or presumption of a predetermined state in the judgment means in a state in which the wireless connection is maintained, the mode setting relating to the function limitation or the notification mode setting relating to the function limitation is to be changed.

Abstract: When there is access to a non-contact type IC, the access is controlled, and external access is notified. A control unit of a non-contact type IC detects access from an external apparatus in response to variation in a load of an antenna, and notifies the detection as access information to a signal judging unit. The signal judging unit refers to history information recorded in a storing unit on the basis of the notified access information, determines whether or not to permit the external apparatus the access, and then notifies a result of the determination to a CPU. On the basis of the notified result of the determination, the CPU controls a display unit, a speaker, a light generating unit, or a vibration generating unit to generate a predetermined stimulus in order to notify the external access. The present invention is applicable to transmission apparatus including a non-contact type IC.

Abstract: A coil module apparatus is provided. The coil module apparatus includes a flat coil, a circuit board, a magnetic sheet, connection terminals, and a case. The flat coil has a flat shape. The circuit board is used for the flat coil. The magnetic sheet is provided so as to cover one surface portion of the flat coil. The connection terminals are provided for connecting the flat coil and the circuit board. The case encloses the flat coil, the circuit board, and the magnetic sheet and encloses the connection terminals so that the connection terminals are partly exposed.

Abstract: A contactless power transferring coil unit is provided. The contactless power transferring coil unit includes a flat coil, a magnetic film, and a leaking flux detecting coil. The flat coil is formed by winding a conductive wire into a spiral on a substantially flat plane. The magnetic film is disposed so as to cover one entire flat surface of the flat coil. The leaking flux detecting coil is disposed in a periphery outside an outer edge of the flat coil and the magnetic film and detects leaking magnetic flux from the flat coil.

Abstract: A character input device is disclosed. The device includes a character input section including a plurality of character keys; a display section that displays an input character(s); and a next word prediction section that predicts a respective word being subsequently input in an event of input-word reception in the character input section and that displays the word as a next word candidate on the display section. The next word prediction section stores usage history information indicative of whether the next word candidate for the respective input-received word was used by a user, and determines in accordance with the usage history information of words as of a time point of the event of input-word reception of the word whether to display the next word candidate on the display section.

Abstract: A contactless power transferring apparatus includes a terminal loading portion, a primary coil, an up-down-direction pressing portion, a width direction pressing portion and a thickness direction pressing portion. The terminal loading portion has an opening through which a mobile terminal is inserted and loaded. The primary coil transfers power using electromagnetic induction to a secondary coil incorporated in the mobile terminal. When the mobile terminal is inserted inside the terminal loading portion, the pressing portions operate in an up-down direction, in a left-right direction and in a width direction, to press and support the mobile terminal respectively from below to position the coils in the up-down direction, from the width direction to position the coils in the left-right direction and from the thickness direction to dispose the coils a predetermined distance apart.

Abstract: In the mobile terminal, the reception quality estimating unit measures a reception quality, and at least one of the data buffer monitoring unit and the transmission power monitoring unit measures a data transmission capability. Based on the measured reception quality and data transmission capability, the terminal determines a transmission mode to be used, and reports it to the base station. The base station determines the transmission mode to be practically used in accordance with the reported transmission mode, and notifies it to the mobile terminal. The base station transmits data according to the determined transmission mode, and the mobile terminal receives data according to the notified transmission mode. Thereby, the radio communication system determines the transmission mode in consideration for not only the reception quality, but also the deficiency in the data transmission capability of the terminal.