Abstract: A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, each frame including at least two signalling patterns adjacent to each other in the frequency direction and at least two data patterns, the transmitting apparatus including signalling mapping means to map signalling data on frequency carriers of each of the at least two signalling patterns in a frame, each signalling pattern having the same length, data mapping means to map data on frequency carriers of the at least two data patterns in a frame, transforming means to transform the signalling patterns and the data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal, and transmitting means to transmit the transmission signal. A corresponding transmitting method and a frame pattern for a multi carrier system are also provided.

Abstract: A fixing device, including a fixing member; an opposing member contacting the fixing member to form a fixing nip; plural separation assisting members; a contact direction biasing member contacting an end of the auxiliary separation members to the surface of the fixing member; a contact and release switching member switching contacting the end of the auxiliary separation members to the surface of the fixing member and releasing the end of the auxiliary separation members therefrom; a fixing exit guide member guiding a recording medium to a discharge direction and separated from the fixing member by the separation assisting member; a first rotating member near the auxiliary separation members downstream from an end thereof; and a second rotating member guiding a recording medium guided by the fixing exit guide member in the recording medium conveyance direction while rotating.

Abstract: A sheet supplying device that is incorporatable in an image forming apparatus includes a recording media container, a sheet feeding unit to feed a recording medium from the recording media container, and a frame to support the recording media container and the sheet feeding unit. The recording media container is detachably attachable to the frame in a first operation in which the recording media container is moved in a sheet conveyance direction in which the recording medium is conveyed upstream or downstream by the sheet feeding unit, and the recording media container is separated from the frame and the sheet feeding unit with the sheet feeding unit remaining in the frame, and a second operation in which the recording media container is moved in a direction perpendicular to the sheet conveyance direction, and the recording media container is separated from the frame together with the sheet feeding unit.

Abstract: A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, each frame including at least two signalling patterns adjacent to each other in the frequency direction and at least two data patterns, the transmitting apparatus including signalling mapping means to map signalling data on frequency carriers of each of the at least two signalling patterns in a frame, each signalling pattern having the same length, data mapping means to map data on frequency carriers of the at least two data patterns in a frame, transforming means to transform the signalling patterns and the data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal, and transmitting means to transmit the transmission signal. A corresponding transmitting method and a frame pattern for a multi carrier system are also provided.

Abstract: A fixing device includes a fixing roller and a pressing roller that are in pressure contact with each other. A separating plate is placed opposite to the fixing roller with a certain gap in between them. Positioning portions are installed on the separating plate to be in contact with width-direction ends of the fixing roller for determining the gap. The positioning portions are arranged such that edges of contact portions of the positioning portions on the width-direction center side in contact with the fixing unit are positioned outside an image area and inside a paper-passing area for a recording medium of a maximum passing-capable size.

Abstract: An image forming apparatus including an intake opening from which an outside air is drawn, a fixing device disposed above the intake opening to heat a recording medium to fix an image onto the recording medium, and a flow path for the air drawn from the intake opening to direct the air onto devices or components provided near the fixing device inside the image forming apparatus by negative pressure generated by an upward current of hot air generated from the fixing device.

Abstract: Disclosed herein is a receiving apparatus including: a receiving portion configured to receive warning information; a setting portion configured to establish settings regarding an announcing action to be performed upon receipt of the warning information, in accordance with operations performed by a user; and a control portion configured to control, upon receipt of the warning information, the announcing action in accordance with the settings established by the setting portion.

Abstract: A reception apparatus includes: an extraction section; a transmission line characteristic estimation section; an estimation section; a frequency shift amount production section; a control section; an addition section; a first frequency shifting section; a second frequency shifting section; an interpolation section; a compensation section; a detection section; and an operation section.

Abstract: A reception apparatus including an extraction section; a transmission line characteristic estimation section; an interpolation section; a compensation section; a detection section; and a selection section.

Abstract: Disclosed herein is a receiving device, including a receiving section configured to receive only a partial segment among a plurality of segments obtained by dividing a frequency band of one physical channel when the receiving device is in a waiting state, and return from the waiting state to an activated state when warning information is transmitted, if transmission of the warning information by the partial segment is possible.

Abstract: An information receiving apparatus that includes a receiver that receives an alert signal including a predetermined number of bits, and a controller that detects that the alert signal includes alert information by processing a subset of the predetermined number of bits of the alert signal, and outputs an indication corresponding to the detection.

Abstract: A receiving device includes: a receiving section configured to output a detection flag indicating that warning information is transmitted or at least part of the warning information if the warning information is transmitted; and a controlling section configured to start processing for outputting warning if the detection flag or the at least part of the warning information is supplied, wherein the supply of the detection flag or the at least part of the warning information to the controlling section is carried out by input of the detection flag or the at least part of the warning information output from a pin of a first semiconductor chip on which the receiving section is mounted to a pin of a second semiconductor chip on which the controlling section is mounted.

Abstract: A fixing device includes a cylindrical fixing member, having an external circumferential surface including a crown portion curved radially outward and a inverted-crown portion curved radially inward, a pressing unit including a convexity and a concavity formed on a facing surface facing the fixing member, a first heating member to heat the fixing member, corresponding to the crown portion of the fixing member, a second heating member to heat the fixing member, corresponding to the inverted-crown portion of the fixing member, a temperature detector to detect a surface temperature of the fixing member, and a controller to control the first heating member and the second heating member independently. The pressing unit presses against the fixing member while the crown portion and the inverted-crown portion of the fixing member match the concavity and the convexity of the pressing unit, respectively, forming a curved fixing nip therebetween.

Abstract: According to the present invention, when a terrestrial digital broadcasting is carried out by applying an OFDM modulation to transport streams MPEG-2 Systems, the plural transport streams subject to a connected transmission are divided into groups and these transport streams are coordinated. Then, a broadcasting station generates a connected transmission descriptor for coordinating the plural transport streams steams subject to the connected transmission and describes the generated connected transmission descriptor in an NIT to multiplex the transport streams.

Abstract: A transmitting apparatus for transmitting signals in a multi carrier system on the basis of a frame structure, each frame including at least two signalling patterns adjacent to each other in the frequency direction and at least two data patterns, the transmitting apparatus including signalling mapping means to map signalling data on frequency carriers of each of the at least two signalling patterns in a frame, each signalling pattern having the same length, data mapping means to map data on frequency carriers of the at least two data patterns in a frame, transforming means to transform the signalling patterns and the data patterns from the frequency domain into the time domain in order to generate a time domain transmission signal, and transmitting means to transmit the transmission signal. A corresponding transmitting method and a frame pattern for a multi carrier system are also provided.

Abstract: A fixing device includes a rotary fixing member, a counter member to contact the rotary fixing member, a first heater to heat the rotary fixing member, a driving unit to rotate the rotary fixing member, a temperature detector to detect a temperature of the rotary fixing member, and a contact-and-separation unit to switch between contact and separation states of the rotary fixing member relative to the counter member. In a temperature-raising operation, the driving unit causes the rotary fixing member to rotate when the temperature detector detects that the temperature of the rotary fixing member has reached a first setting temperature. The contact-and-separation unit causes the rotary fixing member in rotation and the counter member to contact each other when the temperature detector detects that the temperature of the rotary fixing member has reached a second setting temperature that is higher than the first setting temperature.

Abstract: A reception apparatus including an extraction section; a transmission line characteristic estimation section; an interpolation section; a compensation section; a detection section; and a selection section.

Abstract: A fixing device and an image forming apparatus using this, in which even if permanent warping is produced on a roller member that forms a fixing nip portion, no collision sound is produced due to the collision of gears, the fixing device including: two roller members that form a nip portion in which a recording medium is pressed by pressure means and transported; and a drive gear that engages with a shaft portion of one of the two roller members and transmits driving force to that roller member. A key is formed in the drive gear and a key groove having a gap opened therein is formed in the shaft portion, and when a rotation velocity of the roller member increases, transmission of driving force from the drive gear to the shaft portion is suspended and the drive gear slides on the shaft portion.

Abstract: A reception apparatus includes: an extraction section; a transmission line characteristic estimation section; an estimation section; a frequency shift amount production section; a control section; an addition section; a first frequency shifting section; a second frequency shifting section; an interpolation section; a compensation section; a detection section; and an operation section.

Abstract: A fixing device includes a fixing roller and a pressing roller that are in pressure contact with each other. A separating plate is placed opposite to the fixing roller with a certain gap in between them. Positioning portions are installed on the separating plate to be in contact with width-direction ends of the fixing roller for determining the gap. The positioning portions are arranged such that edges of contact portions of the positioning portions on the width-direction center side in contact with the fixing unit are positioned outside an image area and inside a paper-passing area for a recording medium of a maximum passing-capable size.