Abstract: A wireless communication apparatus for performing wireless communication using an antenna selected from a plurality of antennas. A received power detection unit detects received power received by an antenna selected from the plurality of antennas. A reflected power detection unit detects transmitted reflected power of the selected antenna. A switching unit switches an antenna used for communication to another antenna based on a variation of the received power detected by the received power detection unit and an amount of electric power of the reflected power detected by the reflected power detection unit.

Abstract: A structure member is mounted in a communication apparatus including a conductive housing incorporating a dielectric substrate on which a high-frequency circuit is mounted. The structure member includes a pass member which passes a harmonic current component of an operating frequency generated in the dielectric substrate when the high-frequency circuit operates, and a suppression member having an EBG structure which suppresses a predetermined current component of the operating frequency. The structure member is provided between the dielectric substrate and the conductive housing. The suppression member is disposed along a current path of a harmonic current component flowing in the pass member.

Abstract: A communication apparatus including a first antenna and performing wireless communication in which a reflected power from the first antenna changes depending on a positional relationship between the first antenna of the communication apparatus and a second antenna of a communication partner. The communication apparatus further includes a transmission unit configured to transmit a data signal to the communication partner via the first antenna, a determination unit configured to determine a reflected power generated when the transmission unit supplies the data signal to the first antenna, and a control unit configured to control the transmission of the data signal by the transmission unit, based on the reflected power determined by the determination unit.

Abstract: An antenna used in wireless communication, provided with an antenna element and a GND portion on a dielectric board and mounted in an electronic device, includes a open conductor having a high-frequency connection to the GND portion at an end of the dielectric board in the opposing corner direction from a power supply point of the antenna element. The length of the GND portion in the vertical direction relative to the propagation direction of a high-frequency signal is less than ¼ the wavelength of the operating frequency of the antenna element.

Abstract: An antenna used in wireless communication, comprises: a dielectric substrate; a ground conductor portion arranged upon the dielectric substrate; an antenna element including a radiating conductor portion arranged upon the dielectric substrate opposite to the ground conductor portion, a shorted conductor portion that connects the radiating conductor portion and the ground conductor portion, and a power supply unit adapted to supply a high-frequency current to the radiating conductor portion; and an open conductor portion connected at high frequencies to the ground conductor portion, wherein the open conductor portion is connected to the dielectric substrate so as to protrude by a predetermined length from the location of the ground conductor portion in a diagonal direction from the location where the ground conductor portion and the shorted conductor portion are connected.

Abstract: A structure member is mounted in a communication apparatus including a conductive housing incorporating a dielectric substrate on which a high-frequency circuit is mounted. The structure member includes a pass member which passes a harmonic current component of an operating frequency generated in the dielectric substrate when the high-frequency circuit operates, and a suppression member having an EBG structure which suppresses a predetermined current component of the operating frequency. The structure member is provided between the dielectric substrate and the conductive housing. The suppression member is disposed along a current path of a harmonic current component flowing in the pass member.

Abstract: A work handling apparatus includes a general-purpose tray holding unit which can move in the left and right direction while holding a general-purpose tray that accommodates works, a processing tray holding unit which is arranged adjacent to the rear side in the front and rear direction of the general-purpose tray holding unit and can move in the left and right direction while holding a processing tray for carrying works in and out of a processing area, and work transfer units which can move in the front and rear direction and the vertical direction so as to transfer works between the general-purpose tray and the processing tray. Thus, the general-purpose tray holding unit and the processing tray holding unit move in the Y direction within the XY plane, and the work transfer units move within the XZ plane, so that the work transfer operation can be increased in speed and the productivity is improved.

Abstract: The RFID circuit element cartridge stores multiple RFID circuit elements for producing RFID labels. Each of the elements includes an IC circuit part configured to store information and an antenna connected to the IC circuit part. The RFID circuit element cartridge is detachably mounted to an apparatus for communicating with a RFID tag. The apparatus includes an antenna configured to carry out wireless communication with each RFID circuit element for producing a RFID label. The RFID circuit element cartridge includes a RFID circuit element Tc for cartridge identifying configured to store identification information for identifying the cartridge. The identification information serves as a communication factor that determines a performance of communication between the antenna and each RFID circuit element for producing a RFID label.

Abstract: An antenna used in wireless communication, comprises: a dielectric substrate; a ground conductor portion arranged upon the dielectric substrate; an antenna element including a radiating conductor portion arranged upon the dielectric substrate opposite to the ground conductor portion, a shorted conductor portion that connects the radiating conductor portion and the ground conductor portion, and a power supply unit adapted to supply a high-frequency current to the radiating conductor portion; and an open conductor portion connected at high frequencies to the ground conductor portion, wherein the open conductor portion is connected to the dielectric substrate so as to protrude by a predetermined length from the location of the ground conductor portion in a diagonal direction from the location where the ground conductor portion and the shorted conductor portion are connected.

Abstract: An antenna used in wireless communication, provided with an antenna element and a GND portion on a dielectric board and mounted in an electronic device, includes a open conductor having a high-frequency connection to the GND portion at an end of the dielectric board in the opposing corner direction from a power supply point of the antenna element. The length of the GND portion in the vertical direction relative to the propagation direction of a high-frequency signal is less than ¼ the wavelength of the operating frequency of the antenna element.

Abstract: In a wireless communication apparatus for communicating by using a plurality of antennas, a degree of coupling between antennas is detected before communication is initiated, a combination of antennas is selected based on the degree of coupling and communication is executed using the selected antennas.

Abstract: A wireless communication apparatus for performing wireless communication by selectively switching among a plurality of transmission schemes having different transmission performance capabilities is provided. A detection unit detects reception quality of a signal, and a changeover unit changes over the transmission scheme in accordance with the reception quality detected. A control unit performs control for changing a threshold value, which is for changing over the transmission scheme, in accordance with a fluctuation in the reception quality.

Abstract: An optical scanning device includes a dot clock generator which generates a dot clock having a dot clock cycle corresponding to a scanning direction of an optical flux by dividing master clocks which constitute basic clocks with frequency-dividing-number corresponding to a scanning position. The dot clock generator changes, with respect to a group of dot clocks which is formed of plural sets of dot clocks in which a frequency-dividing-number sequence pattern of the set of dot clocks which is constituted of two or more continuous dot clocks is repeated plural times on one scanning line, the frequency-dividing-number sequence pattern of each set of dot clocks while maintaining a total value of frequency dividing numbers necessary for generating each set of dot clocks at a constant value.

Abstract: A communication apparatus including a first antenna and performing wireless communication in which a reflected power from the first antenna changes depending on a positional relationship between the first antenna of the communication apparatus and a second antenna of a communication partner. The communication apparatus further includes a transmission unit configured to transmit a data signal to the communication partner via the first antenna, a determination unit configured to determine a reflected power generated when the transmission unit supplies the data signal to the first antenna, and a control unit configured to control the transmission of the data signal by the transmission unit, based on the reflected power determined by the determination unit.

Abstract: An optical scanning device includes a dot clock generator which generates a dot clock having a dot clock cycle corresponding to a scanning direction of an optical flux by dividing master clocks which constitute basic clocks with frequency-dividing-number corresponding to a scanning position. The dot clock generator changes, with respect to a group of dot clocks which is formed of plural sets of dot clocks in which a frequency-dividing-number sequence pattern of the set of dot clocks which is constituted of two or more continuous dot clocks is repeated plural times on one scanning line, the frequency-dividing-number sequence pattern of each set of dot clocks while maintaining a total value of frequency dividing numbers necessary for generating each set of dot clocks at a constant value.

Abstract: A layout arranging system doing automatic layout of a system being constituted of assembling units. More particularly, a layout arranging system (102) communicable with a plurality of connectable conveyors (C/V 1-12), comprising a module for recognizing connected conveyors (C/V 1-12), a module for acquiring information concerning recognized conveyors (C/V 1-12), and a module for laying out the recognized conveyors (C/V 1-12).

Abstract: In a wireless communication apparatus for communicating by using a plurality of antennas, a degree of coupling between antennas is detected before communication is initiated, a combination of antennas is selected based on the degree of coupling and communication is executed using the selected antennas.

Abstract: A wireless communication apparatus for performing wireless communication by selectively switching among a plurality of transmission schemes having different transmission performance capabilities is provided. A detection unit detects reception quality of a signal, and a changeover unit changes over the transmission scheme in accordance with the reception quality detected. A control unit performs control for changing a threshold value, which is for changing over the transmission scheme, in accordance with a fluctuation in the reception quality.

Abstract: A work handling apparatus of the present invention includes a general-purpose tray holding unit (10) which can move in the left and right direction (Y) while holding a general-purpose tray (T1) that accommodates works, a processing tray holding unit (20) which is arranged adjacent to the rear side in the front and rear direction (X) of the general-purpose tray holding unit (10) and can move in the left and right direction (Y) while holding a processing tray (T2) for carrying works in and out a processing area (A4), and work transfer units (30) which can move in the front and rear direction (X) and the vertical direction (Z) so as to transfer works between the general-purpose tray (T1) and the processing tray (T2). Thus, the general-purpose tray holding unit (10) and the processing tray holding unit (20) move in the Y direction within the XY plane, and the work transfer units (30) move within the XZ plane, so that the work transfer operation can be increased in speed and the productivity is improved.

Abstract: The RFID circuit element cartridge stores multiple RFID circuit elements for producing RFID labels. Each of the elements includes an IC circuit part configured to store information and an antenna connected to the IC circuit part. The RFID circuit element cartridge is detachably mounted to an apparatus for communicating with a RFID tag. The apparatus includes an antenna configured to carry out wireless communication with each RFID circuit element for producing a RFID label. The RFID circuit element cartridge includes a RFID circuit element Tc for cartridge identifying configured to store identification information for identifying the cartridge. The identification information serves as a communication factor that determines a performance of communication between the antenna and each RFID circuit element for producing a RFID label.