Patent application number | Description | Published |
20090110449 | SEPARATING MEMBER, FIXING DEVICE, AND IMAGE FORMING APPARATUS - 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. | 04-30-2009 |
20090129836 | Fixing device and image forming apparatus using this fixing device - 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. | 05-21-2009 |
20100034548 | Fixing device and image forming apparatus employing the fixing device - 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. | 02-11-2010 |
20100239297 | Fixing device and image forming apparatus including same - 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. | 09-23-2010 |
20120002997 | IMAGE FORMING APPARATUS - 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. | 01-05-2012 |
20120063829 | Sheet supplying device and image forming apparatus incorporating same - 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. | 03-15-2012 |
20120195652 | FIXING DEVICE AND IMAGE FORMING APPARATUS - 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. | 08-02-2012 |
20130004192 | FIXING DEVICE WITH MECHANISM CAPABLE OF DETECTING PRESSURE EXERTED BETWEEN OPPOSED COMPONENTS AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a pressurization member connected to a pressing rotary body to press the pressing rotary body against a fixing rotary body; a depressurization assembly interposed between the pressing rotary body and the pressurization member and movable between a reduced pressure position where the depressurization assembly causes the pressurization member to press the pressing rotary body against the fixing rotary body with reduced pressure therebetween and an enhanced pressure position where the depressurization assembly is free from pressure from the pressurization member to cause the pressurization member to press the pressing rotary body against the fixing rotary body with enhanced pressure therebetween; a positioner separatably contacting the depressurization assembly to immovably halt the depressurization assembly at the enhanced pressure position; and a position detector separatably contacting the depressurization assembly to detect the position of the depressurization assembly. | 01-03-2013 |
20130004214 | GUIDE DEVICE WITH MECHANISM CAPABLE OF MINIMIZING DAMAGE TO TONER IMAGE AND RECORDING MEDIUM AND FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A guide device includes a fixing exit guide, a first rotary body, a second rotary body disposed downstream from the first rotary body in a recording medium conveyance direction and partially protruding from a guide face through a slot of the fixing exit guide to contact and support an image side of a recording medium conveyed over the second rotary body, and at least one guide rib mounted on the guide face of the fixing exit guide and extending substantially in the recording medium conveyance direction. The guide rib includes a contact face contacting the image side of the recording medium and a downstream end disposed downstream from the contact face in the recording medium conveyance direction to overlap the second rotary body in cross-section taken along a direction orthogonal to an axial direction of the second rotary body. | 01-03-2013 |
20130004216 | FIXING DEVICE WITH MECHANISM CAPABLE OF MINIMIZING GLOSSY STREAKS AND STAIN ON RECORDING MEDIUM AND IMAGE FORMING APPARATUS INCORPORATING SAME - A fixing device includes a fixing rotary body rotatable in a predetermined direction of rotation; an opposed rotary body contacting the fixing rotary body to form a fixing nip therebetween through which a recording medium bearing a toner image is conveyed; a plurality of separation pawls separatably contacting an outer circumferential surface of the fixing rotary body to separate the recording medium discharged from the fixing nip from the fixing rotary body; a temperature detector contacting the outer circumferential surface of the fixing rotary body to detect a temperature of the fixing rotary body; and a fixing rotary body cleaner interposed between the plurality of separation pawls and the temperature detector in the direction of rotation of the fixing rotary body and contacting the outer circumferential surface of the fixing rotary body to clean the outer circumferential surface of the fixing rotary body. | 01-03-2013 |
20130004217 | LEVER SWITCHER WITH MECHANISM FOR MINIMIZING MECHANICAL SHOCK AND SOUND AND FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING LEVER SWITCHER - A fixing device includes a first opposed body and a second opposed body pressed against the first opposed body. A resilient member exerts a resilient bias to the second opposed body that presses the second opposed body against the first opposed body. A lever assembly is swingable to move the second opposed body against the resilient bias exerted by the resilient member between at least a reduced pressure position where the second opposed body presses against the first opposed body with reduced pressure therebetween and an enhanced pressure position where the second opposed body presses against the first opposed body with enhanced pressure therebetween. A resistance applier engages the lever assembly to exert drag on the lever assembly when the lever assembly moves the second opposed body from the reduced pressure position to the enhanced pressure position. | 01-03-2013 |
20130004222 | MEDIA GUIDE MECHANISM, FIXING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A mechanism for guiding a recording medium into a nip formed between a first rotary member subjected to heating, and a second rotary member pressed against the first rotary member includes a guide member and a biasing member. The guide member is disposed upstream from the nip to guide the recording medium therealong. The biasing member is connected to the guide member to mechanically bias the guide member. The guide member is subjected to a constant biasing force from the biasing member and to a pressure force from the recording medium. The pressure force is opposite the biasing force and variable with a stiffness of the recording medium being guided. The guide member is movable to different operational positions depending on the biasing and pressure forces acting thereon. | 01-03-2013 |
20130259516 | IMAGE FORMING APPARATUS WITH PROCESS CARTRIDGE CAPABLE OF MINIMIZING DAMAGE TO A WRITING DEVICE - An image forming apparatus includes a detachable latent image bearer, a casing including a cover opened and closed when the latent image bearer is detached and attached thereto, an LED array head opposed to the latent image bearer, and a rotation mechanism to rotate the LED array head in synchrony with either insertion and removal operation of the latent image bearer or opening operation of the cover. | 10-03-2013 |
20150035928 | OPTICAL WRITING HEAD POSITIONING MECHANISM, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS - An optical writing head positioning mechanism includes spacers provided between a latent image carrier for carrying an electrostatic latent image and an optical writing head for exposing the latent image carrier. The spacers each include at least one carrier contact surface that contacts the latent image carrier and at least one head contact surface that contacts the optical writing head to determine an interval between the latent image carrier and the optical writing head. The latent image carrier is in contact with a cleaning member that cleans a cleaning area on a surface of the latent image carrier. In at least one of the spacers, the at least one carrier contact surface includes plural carrier contact surfaces not disposed on edges of the cleaning area, and one of the edges of the cleaning area is located between two adjacent ones of the plural carrier contact surfaces. | 02-05-2015 |
Patent application number | Description | Published |
20090104886 | SIGNAL PROCESSING DEVICE, CONTROL METHOD OF SIGNAL PROCESSING DEVICE, DIGITAL BROADCAST RECEIVING DEVICE, AND CONTROL METHOD OF DIGITAL BROADCAST RECEIVING DEVICE - A signal processing device includes: a first converting unit for frequency-converting the input signal into a signal in a first frequency band; a filter for cutting off the frequency component outside a predetermined pass band; a second converting unit for frequency-converting the signal from the first frequency band to a second frequency band; third converting unit for converting the signal in the second frequency band into a signal in a third frequency band coinciding with the pass band; an oscillating unit for oscillating a signal used for frequency conversion of the third converting unit; and a detecting unit for detecting a frequency error between oscillation frequency of the signal oscillated by the oscillating unit and frequency of a signal used for frequency conversion from the second frequency band to the third frequency band coinciding with the pass band, and outputting an error signal indicating the frequency error. | 04-23-2009 |
20090110127 | RECEPTION APPARATUS, RECEPTION METHOD AND PROGRAM - 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. | 04-30-2009 |
20090221254 | RECEPTION APPARATUS, RECEPTION METHOD AND PROGRAM - 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. | 09-03-2009 |
20100034219 | FRAME AND SIGNALLING PATTERN STRUCTURE FOR MULTI-CARRIER SYSTEMS - 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. | 02-11-2010 |
20110199207 | RECEIVING APPARATUS, INFORMATION PROCESSING METHOD AND PROGRAM - 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. | 08-18-2011 |
20110200145 | RECEIVING DEVICE, INFORMATION PROCESSING METHOD, PROGRAM, AND SEMICONDUCTOR CHIP - 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. | 08-18-2011 |
20110200146 | RECEIVING DEVICE, RECEIVING METHOD, AND PROGRAM - 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. | 08-18-2011 |
20110280381 | RECEIVING APPARATUS, ANNOUNCEMENT CONTROL METHOD, AND PROGRAM - 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. | 11-17-2011 |
20130170570 | TRANSMISSION DEVICE AND TRANSMISSION METHOD THEREOF, AND RECEPTION DEVICE - The present invention relates to a transmission device that enables transmission and reception of connected transmission channels in a 13-segment format and a transmission method of the transmission device, and to a reception device. | 07-04-2013 |
20130177101 | TRANSMISSION DEVICE AND TRANSMISSION METHOD THEREOF, AND RECEPTION DEVICE - The present invention relates to a transmission device that enables transmission and reception of connected transmission channels in a 13-segment format and a transmission method of the transmission device, and to a reception device. | 07-11-2013 |
20130235194 | IMAGING APPARATUS AND IMAGE TRANSMITTING METHOD - Disclosed herein is an imaging apparatus including: an imaging portion capturing an image of a subject, thereby acquiring a video signal; a first coding portion compression-coding the video signal through intra-frame compression and inter-frame compression, thereby generating a first coded signal; a second coding portion compression-coding the video signal through the intra-frame compression, thereby generating a second coded signal an amount of information on which is less than that of the first coded signal; and a signal sending portion sending the first coded signal and the second coded signal to a coaxial cable. | 09-12-2013 |
20130242108 | IMAGE TRANSMISSION SYSTEM AND IMAGE TRANSMISSION METHOD - Disclosed herein is an image transmission system including a plurality of cameras and a coaxial cable for transmitting image signals from the cameras, wherein: each of the cameras includes an imaging block configured to acquire an image signal by imaging an object, a coding block configured to compression-code the image signal through intra-frame compression and inter-frame compression so as to generate a coded signal, and a signal output block configured to output the coded signal onto the coaxial cable; and the camera of interest outputs the coded signal obtained through inter-frame compression onto the coaxial cable when another of the cameras outputs the coded signal obtained through intra-frame compression onto the coaxial cable. | 09-19-2013 |
20130308655 | TRANSMITTING APPARATUS, TRANSMITTING METHOD, RECEIVING APPARATUS, RECEIVING METHOD, PROGRAM, AND ELECTRONIC APPARATUS - Disclosed herein is a transmitting apparatus, including: a stream inputting portion inputting plural transport streams; an information adding portion adding additional information containing therein a stream identifier used to identify at least corresponding transport stream to respective transport stream packets of the plural transport streams thus inputted; a stream synthesizing portion synthesizing the plural transport streams in which the additional information is added to each of the transport stream packets, thereby obtaining one stream; and a stream transmitting portion transmitting the resulting one stream to an external apparatus. The information adding portion adds the additional information forward, backward or midway with respect to each of the transport stream packets. | 11-21-2013 |
20140164565 | TRANSMISSION DEVICE, TRANSMISSION METHOD, RECEPTION DEVICE, RECEPTION METHOD, PROGRAM, STREAM TRANSMISSION AND RECEPTION SYSTEM, AND ELECTRONIC APPARATUS - Provided is a transmission device including a stream input unit configured to input a plurality of streams each constituted of continuous packets, a stream synthesizing unit configured to synthesize the plurality of input streams to obtain one stream, and a stream transmission unit configured to transmit the one obtained stream. The stream synthesizing unit encodes at least a typical pattern portion of each packet of the plurality of streams using keys that are intrinsic to the respective streams for separation of packets of each stream on a reception side, and thereafter performs time-division multiplexing on the packets of the plurality of streams to obtain the one stream. | 06-12-2014 |
20140254610 | ELECTRONIC APPARATUS, STREAM TRANSMISSION AND RECEPTION METHOD OF ELECTRONIC APPARATUS, PROGRAM, HOST DEVICE, AND STREAM TRANSMISSION AND RECEPTION METHOD OF HOST DEVICE - Provided is an electronic apparatus including a synthesized stream creation unit, a stream transmission unit, a process information retaining unit, a count information addition unit, a stream reception unit, and a processing unit. | 09-11-2014 |
20140295908 | TRANSMISSION DEVICE, TRANSMISSION METHOD, RECEPTION DEVICE, RECEPTION METHOD, AND PROGRAM - The present technique relates to a transmission device, a transmission method, a reception device, a reception method, and a program capable of reducing interference to an adjacent channel in a case where connected-transmission is performed. A transmission device according to an aspect of the present technique includes a signal generating unit configured to generate a plurality of signals having a predetermined frequency bandwidth, a power adjusting unit configured to adjust power of signals so that the power of a signal transmitted using a frequency band close to an end of a channel is less than the power of the signal transmitted using a frequency band close to a center of the channel, and a transmission unit configured to use the channel to transmit, in a connected manner, the signals of which powers have been adjusted. The present technique can be applied to a transmission device for performing connected-transmission. | 10-02-2014 |
20140374987 | SHEET DISCHARGE DEVICE AND IMAGE FORMING APPARATUS - A sheet discharge device includes a fixing device that fixes a sheet, a curl correcting device that corrects a curl of the fixed sheet, a first guiding member that guides the fixed sheet in a sheet discharging direction, a second guiding member that guides the fixed sheet in the sheet discharging direction and is arranged on a side opposite to the first guiding member, a support part that rotatably supports the first guiding member, and an engaging part that engages with the support part. The curl correcting device includes a correcting roller that is attached to the first guiding member. The engaging part includes a hole including an oblong shape so that the first guiding member is movable apart from the second guiding member. An image forming apparatus includes an image forming device that forms an image on a sheet, and the sheet discharge device. | 12-25-2014 |
20150020112 | TRANSMITTING APPARATUS, TRANSMITTING METHOD, RECEIVING APPARATUS, RECEIVING METHOD, PROGRAM, AND ELECTRONIC DEVICE - Provided is a transmitting apparatus including a stream input unit that inputs a transport stream containing PID data packets of a plurality of service channels in a time-division manner, an information addition unit that adds a time stamp corresponding to a time of the input to PID packets remaining after the PID data packets of the service channels that are not selected of the input transport stream are removed, and a stream transmitting unit that successively transmits each of the PID packets to which the time stamp is added to an external device. | 01-15-2015 |
20150062204 | DISPLAY PANEL, METHOD OF DRIVING THE SAME, AND ELECTRONIC APPARATUS - A display panel includes: a display section including a plurality of unit pixels; and a display drive section configured to generate first pixel packets and supply the first pixel packets to the display section, the first pixel packets each including luminance data of a digital signal, the pieces of luminance data determining respective luminances of respective predetermined number of unit pixels of the plurality of unit pixels, and the first pixel packets being equal in number to the predetermined number of unit pixels. | 03-05-2015 |