Patent application number | Description | Published |
20090028145 | TELEPHONE EXCHANGE APPARATUS AND CONTROL METHOD FOR USE IN THE APPARATUS - According to one embodiment, a telephone exchange apparatus includes a memory stores a management table in which a connecting destination ID specifying a communication partner on the packet communication network and a first waiting time from a time of signal transmission to the communication partner up to a time of an arrival of a response signal are associated with each other, a monitoring unit refers to the management table and monitors presence or absence of the response signal from the communication partner within the first waiting time corresponding to connection ID of the communication partner based on the reference result, and a controller stops transmission of a signal necessary for communication establishment to the connecting destination ID in the management table and updates first waiting time corresponding to the connecting destination ID in the management table into second waiting time shorter than the first waiting time. | 01-29-2009 |
20090034710 | TELEPHONE SYSTEM AND EXCHANGE APPARATUS THEREFOR - According to one embodiment, there is provided a telephone system comprises an exchange apparatus to be connected to a best-effort type network and a telephone terminal to be connected to the exchange apparatus. The exchange apparatus includes a first interface unit which is connected to the best-effort type network, a second interface unit which forms a communication route differing from the first interface unit, a detection unit which detects deterioration in a quality of service of a call during establishment between the telephone terminal and its partner via the first interface unit and the best-effort type network, and a call moving unit which moves the call to a communication route passing through the second interface unit when the deterioration is detected. | 02-05-2009 |
20090268721 | TELEPHONE SYSTEM, ITS SERVER UNIT, AND DATABASE SYNCHRONIZATION METHOD - According to one embodiment, a telephone system comprises networks connected mutually, terminals and servers. The terminals belong to any one of the networks. The servers control each of networks and accommodate terminals. The server comprises database, manager and controller. The terminals and the server of their assignment destinations are associated with one another in the database. The manager updates to synchronize among the databases and the servers at movement destinations as the terminals under its own control move to control by other servers. The controller specifies a server for controlling a terminal at incoming call destination of outgoing call, destined to another network, from the databases transmit a call message to the specified server when the outgoing call toward another network is generated from the terminal under its own control to another network. The databases are sequentially synchronized among the servers as calls are generated among the terminals. | 10-29-2009 |
20100161745 | Communication System and Terminal Registration Method Thereof, Server Unit, and Terminal Device - According to one embodiment, there is provided a communication system includes endpoints and server units. The endpoints include a transmitter and an information assignment module. The transmitter transmits a message of the registration request to one of the server units. The information assignment module assigns information used to discriminate a cause of generation of the registration request to the message. The server units include a specification module, a determination module and a registration processor. The specification module specifies the cause based on the information assigned to the received message. The determination module determines whether or not permit registration of the endpoint as a source of the received message based on the specified cause and priority level. The registration processor registers the endpoint when the registration is permitted. The registration processor instructs the endpoint to redirect the message when the registration is not permitted. | 06-24-2010 |
20100198956 | TELEPHONE EXCHANGE APPARATUS AND HOST NAME INFORMATION ASSIGNING METHOD USED THEREFORE - According to one embodiment, a telephone exchange apparatus includes a generator configured to automatically generate the host name information in accordance with a predetermined condition, when a registration request about an arbitrary communication apparatus to the management table is issued, and a controller configured to register the host name information generated by the generator in the management table by associating the host name information with the corresponding-communication apparatus. | 08-05-2010 |
20110158234 | TELEPHONE EXCHANGE SYSTEM, TELEPHONE EXCHANGE APPARATUS, AND TELEPHONE TERMINAL - According to one embodiment, a telephone exchange system includes a plurality of telephone terminals and a telephone exchange apparatus. The plurality of telephone terminals connected to a communication network. The telephone exchange apparatus registers the telephone terminals through the communication network, and execute multicast packet transmission of media signal including at least one of picture, voice, and data to the telephone terminals connected to the communication network. A first telephone terminal of the telephone terminals comprises a packet transfer configured to convert a received multicast packet into a unicast packet receivable by a second telephone terminal, and sends the converted unicast packet to the second telephone terminal. | 06-30-2011 |
Patent application number | Description | Published |
20080225882 | MULTIPLEXED OPTICAL SIGNAL TRANSMISSION APPARATUS - A transmission apparatus for multiplexing optical signals has a multi-rate signal processing unit that has a plurality of signal processing circuits in advance according to various signal speeds and frame formats and selects a necessary signal processing circuit as necessary. In addition, the transmission apparatus acquires a type code, used to identify the type of the signal of a removable optical module, from the optical module and, from the acquired information, automatically determines the operation mode of the multi-rate signal processing unit, bandwidth allocations according to the signal speeds, and monitoring item contents for different frame formats to eliminate the need for maintenance engineer's work that is otherwise required when a low-speed signal is added. | 09-18-2008 |
20080232818 | INTERFACE BOARD AND OPTICAL TRANSMISSION EQUIPMENT - A circuit capable of processing signals of different signal types is provided for identifying the signal type by the signal type setting from an administrator or by the implementation of the optical module, thereby selecting a signal processor to be used. An OTN frame standardized by ITU is used in a fixed manner independent of the signal type to be accommodated, while a corresponding SDH/SONET frame standardized by ITU is used for signal accommodation. | 09-25-2008 |
20090022059 | Optical Cross Connect Apparatus and Network - An optical signal connection apparatus for connecting first and second optical signal transmission lines to first and second routers, respectively, is disclosed. The first and second routers are configured to handle both optical signals and electrical signals. The optical signal connection apparatus comprises a first node and a second node. The first node includes a first port that is coupled to the first router via the first optical signal transmission line, the first port being configured to handle a first type of optical signals associated with the first router, the first optical signal transmission line defining a first communication link; a first line-setting unit configured to couple the first and second nodes to enable data communication between the first and second nodes using optical signals; a first control unit to control the first line-setting unit in setting an optical communication link between the first and second nodes; and a first signal-type storage unit configured to store first information on the first type of optical signals that the first port is configured to handle. The second node includes a second port that is coupled to the second router via the second optical signal transmission line, the second port being configured to handle a second type of optical signals associated with the second router, the second optical signal transmission line defining a second communication link, wherein the first information is compared with second information on the second type of optical signal to determine whether or not the first and second communication links are compatible to each other. | 01-22-2009 |
20090028548 | Operation and construction method of network using multi-rate interface panel - The present invention provides a network at a low cost with a reduced number of components and simple management among networks anticipated to become more and more complicated, the network being capable of quick pass change upon service addition/change and failure occurrence. Namely, the present invention realizes a network configuration unnecessary for replacement of interface panels upon pass change, by using a multi-rate compatible interface panel capable of freely changing a signal type to be processed, under control of an upper level operation. | 01-29-2009 |
20100111111 | TRANSMISSION DEVICE - A transmission device comprises first interfaces each of which receives time-division multiplexed signals from an external device in units of frames, a switch which is connected with the first interfaces and sets paths of the signals received from the first interface in regard to each packet, and second interfaces each of which is connected with the switch, receives the signals from the first interface via the switch, and transmits the received signals to a different transmission device in units of packets. The first interface selects signals having the same destination from the signals contained in the received frame and stores the selected signals having the same destination in one packet. | 05-06-2010 |
20100226370 | NETWORK SYSTEM - When label switching is performed on a conventional MPLS packet, a bit error may occur in an MPLS label header of the MPLS packet and user data may misdelivered. To avoid such misdelivery of the user data, an HEC function is attached to the MPLS label header. | 09-09-2010 |
20110164622 | OPERATION AND CONSTRUCTION METHOD OF NETWORK USING MULTI-RATE INTERFACE PANEL - An interface unit for processing a first signal and a second signal, the second signal set to different transmission rate from the first signal and/or a different signal type from the first signal, including a plurality of interface panels, each of the plurality of interface panels including: a storage device which stores a first logic circuit data corresponding to the first signal and a second logic circuit data corresponding to the second signal, a configuration function unit which controls to select the first logic circuit data or the second logic circuit data, and a programmable logic circuit which reconfigures the first logic circuit data or the second logic circuit data based on a selection by the configuration function unit. | 07-07-2011 |
20110214008 | NETWORK SYSTEM - A network system having duplicate lines of a primary system and a backup system between a transmitter apparatus and a receiver apparatus is provided. Each of the transmitter apparatus and the receiver apparatus includes an arithmetic operator for conducting a BIP-8 arithmetic operation and a CRC arithmetic operation on an input signal and thereby detecting a bit error. The transmitter apparatus transmits data to both lines. The receiver apparatus includes a switcher. When a bit error is detected in received data of the primary system. the switcher switches control of the primary system and the backup system. Hitless protection switching of a VC path is executed, | 09-01-2011 |
20110216782 | DATA TRANSFER DEVICE AND DATA TRANSFER SYSTEM - A transfer device according to an embodiment transfers blocks generated by dividing a frame into pieces of data and adding a synchronization header each of the pieces of data. The blocks comprise a first, second and third blocks in this order. The transfer device is configured to acquire a first synchronization header in the first block, a second synchronization header in the second block and a third synchronization header in the third block, judge, in a case where a value of the second synchronization header is incorrect, as to whether or not the value of the second synchronization header can be estimated based on the first and the third synchronization headers so that the second block is consistent with the first and third blocks, and correct the second synchronization header into the estimated value. | 09-08-2011 |
20120027023 | TRANSMISSION DEVICE - When multiple SDH/SONET frame are accumulated and then lower-order path information removed from multiple frames is multiplexed into the same packet to achieve better transmission efficiency during packetization, the delay for accumulating increases. Disclosed is a transmission device that packetizes an SDH/SONET lower-order path with timing which is an integer factor of 1 cycle of the SDH frame. In this case, the destination loads the same multiple lower-order path in one packet. The result is that delay time accompanying lower-order path packetization is kept to less than the time of 1 cycle of the SDH frame, and the efficiency with which lower-order paths are accommodated in packets is further increased. The result is that improved transmission efficiency is realized. | 02-02-2012 |
Patent application number | Description | Published |
20150083186 | MULTI-JUNCTION SOLAR CELL - A multi-junction solar cell of an embodiment includes a first solar cell including a first photoelectric conversion device, a second solar cell including a plurality of second photoelectric conversion devices connected in series and having a back contact, and an insulating layer between the first solar cell and the second solar cell. A device isolation region is provided between the second photoelectric conversion devices connected in series. | 03-26-2015 |
20150087107 | METHOD FOR MANUFACTURING PHOTOELECTRIC CONVERSION DEVICE - A method for manufacturing a photoelectric conversion device of an embodiment includes forming, on a first electrode, a photoelectric conversion layer comprising at least one of a chalcopyrite compound, a stannite compound, and a kesterite compound. The forming of the photoelectric conversion layer includes forming a photoelectric conversion layer precursor comprising at least one compound semiconductor of a chalcopyrite compound, a stannite compound, and a kesterite compound on the first electrode. The forming of the photoelectric conversion layer includes immersing the precursor in a liquid including at least one of Group IIa and Group IIb elements at 0° C. to 60° C., after forming of the photoelectric conversion layer precursor. The compound semiconductor on a side of the first electrode is at least either amorphous or larger in average crystal grain size than the compound semiconductor on an opposite side of the first electrode. | 03-26-2015 |
20160087118 | PHOTOELECTRIC CONVERSION DEVICE, AND SOLAR CELL - A photoelectric conversion device of an embodiment has a bottom electrode, an intermediate layer on the bottom electrode, a p-type light absorbing layer on the intermediate layer, and an n-type layer on the p-type light absorbing layer. The bottom electrode is a first metal film or a semiconductor film. When the bottom electrode is a metal film, the intermediate layer comprises an oxide film or a sulfide film. When the bottom electrode is a semiconductor film, the intermediate layer comprises a second metal film and an oxide film or a sulfide film on the second metal film. | 03-24-2016 |
20160087125 | PHOTOELECTRIC CONVERSION DEVICE, AND SOLAR CELL - A photoelectric conversion device of an embodiment has a substrate, a bottom electrode on the substrate, a light absorbing layer on the bottom electrode, an n-type layer on the light absorbing layer, a transparent electrode on the n-type layer, and an oxide layer on the transparent electrode. n | 03-24-2016 |
20160087126 | PHOTOELECTRIC CONVERSION DEVICE, SOLAR CELL AND METHOD FOR MANUFACTURING PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device of an embodiment has a bottom electrode, a light absorbing layer on the bottom electrode. The light absorbing layer comprises a thin film of a semiconductor comprising a group Ib element or elements, a group IIIb element or elements, and a group VIb element or elements and having a chalcopyrite structure. The light absorbing layer has an average crystal grain size of 1.5 μm or more. The group IIIb element or elements include Ga, Al, or both of Ga and Al. | 03-24-2016 |
20160087127 | PHOTOELECTRIC CONVERSION DEVICE, SOLAR CELL AND METHOD FOR MANUFACTURING PHOTOELECTRIC CONVERSION DEVICE - A photoelectric conversion device of an embodiment has a substrate, a bottom electrode comprising an electrode layer on the substrate and an intermediate interface layer, a light absorbing layer on the intermediate interface layer. The electrode layer comprises Mo or W. The intermediate interface layer is a compound thin film of a compound comprising Mo or W and at least one element X selected from the group consisting of S, Se, and Te. The intermediate interface layer has a crystal phase and an amorphous phase with which the crystal phase is covered. | 03-24-2016 |
20160087136 | SOLAR CELL MODULE - According to one embodiment, a solar cell module includes a solar cell panel and a concentrator. The solar cell panel includes a solar cell. The concentrator reflects light incident from the outside and irradiates the light onto the solar cell. The concentrator has a first surface and a second surface. The first surface reflects light incident at a first incident angle and irradiates the light incident at the first incident angle onto a first portion within the area of the solar cell. The second surface reflects light incident at a second incident angle and irradiates the light incident at the second incident angle onto a second portion within the area of the solar cell. The second incident angle is different from the first incident angle. The second portion is different from the first portion. The first surface and the second surface are asymmetric as viewed from the solar cell. | 03-24-2016 |
20160087137 | MULTI-JUNCTION SOLAR CELL - According to one embodiment, a multi-junction solar cell includes a first solar cell, a second solar cell, and an insulating layer. The first solar cell includes a first photoelectric conversion element. The second solar cell is connected in parallel with the first solar cell. The second solar cell includes multiple second photoelectric conversion elements connected in series. The insulating layer is provided between the first solar cell and the second solar cell. The second photoelectric conversion element includes a p-electrode and an n-electrode. The p-electrode is connected to a p | 03-24-2016 |
Patent application number | Description | Published |
20110006850 | CLOCK SIGNAL DISTRIBUTING DEVICE - A clock signal distributing device includes a plurality of LC resonant oscillators, each resonating at a frequency conforming to values of a first inductor and a first capacitor to oscillate a signal, an injection locked LC resonant oscillator that resonates at a frequency conforming to values of a second inductor and a second capacitor to oscillate a signal which is synchronous with an input clock signal, and transmission lines that connect oscillation nodes of the plurality of LC resonant oscillators and the injection locked LC resonant oscillator with one another. | 01-13-2011 |
20110221491 | RECEIVING CIRCUIT AND SAMPLING CLOCK CONTROL METHOD - A receiving circuit includes: a clock generating circuit to generate a plurality of clock signals in a cycle; an oversampling circuit to oversample input data based on the plurality of clock signals and output a plurality of samples of digital data in a unit interval; a data boundary determining circuit to detect a changing point of the digital data, determine data boundaries of the unit interval based on the changing point, and output digital data corresponding to a central data between the data boundaries; and a clock phase control circuit to control a phase of at least one of the plurality of clock signals so that a first number of the plurality of samples becomes a certain value when a second number of samples between the data boundaries is larger than a threshold value. | 09-15-2011 |
20120033726 | DECISION FEEDBACK EQUALIZER, RECEIVING CIRCUIT, AND DECISION FEEDBACK EQUALIZATION PROCESSING METHOD - A decision feedback equalizer includes: L equalization calculation circuits to perform an equalization calculation of a first sample of input data for each of M combinations of data decision values of a second sample sampled from the input data before sampling the first sample; a first logic circuit to generate first M logical values by selecting and arranging calculation values of M calculation values calculated by at least one equalization calculation circuit among the L equalization calculation circuits based on a data decision value for a third sample sampled before sampling the first data; and a selection circuit to select one of the first M logical values based on a data decision value for a fourth sample sampled before sampling the third sample, and to output the selected logical value as a data decision value of the first sample. | 02-09-2012 |
20120140811 | RECEPTION CIRCUIT - A reception circuit includes: a sampling circuit to sample an input data signal based on a clock signal and output a sampled signal; a data interpolation circuit to interpolate the sampled signal based on phase information corresponding to the sampled signal and output an interpolated data signal; an interpolation error decision circuit to output an interpolation error based on the sampled signal and the phase information; a decision/equalization circuit to equalize the interpolated data signal using an equalization coefficient set based on the interpolation error, to check an equalized interpolated data signal and to output a checked signal; and a phase detection circuit to generate the phase information based on at least one of the checked signal and the equalized interpolated data signal and output the phase information to the data interpolation circuit and the interpolation error decision circuit. | 06-07-2012 |
20130169328 | CDR CIRCUIT, RECEPTION CIRCUIT, AND ELECTRONIC DEVICE - An apparatus includes an integration circuit that integrates values of one of a data center and a data edge of input data, based on clock signals, a sampling circuit that samples another at the data center and a data edge of the input data, based on clock signals, a first determination circuit that determines a data value of an integration value of the integration circuit, a second determination circuit that determines a data value of a sampling value of the sampling circuit, a phase detection circuit that detects phase information of the input data, based on a data value determined by the first determination circuit and the second determination circuit, and a phase adjusting circuit that adjusts a phase of a reference clock so as to track a phase of the input data, in accordance with the phase information, so as to output as the clock signals. | 07-04-2013 |
20130278294 | INTERPOLATION CIRCUIT, RECEPTION CIRCUIT AND METHOD OF GENERATING INTERPOLATED DATA - An interpolation circuit includes: a generation circuit configured to generate interpolated data based on a plurality of pieces of input data in time sequence; a first analog digital converter configured to convert first interpolated data at a data point of the interpolated data into first digital data; and a second analog digital converter configured to convert second interpolated data at a change point into second digital data of the interpolated data, a second number of quantization bits of the second analog digital converter being smaller than a first number of quantization bits of the first analog digital converter. | 10-24-2013 |
20140286381 | RECEIVER CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT - In a receiver circuit which can correct a deviation of phase between an input signal and a clock, a sampler detects an amplitude level of the input signal at timing indicated by the clock, a first comparison circuit compares a first and a second amplitude level detected by the sampler at first and second timings, respectively, with a determined threshold, an interpolation circuit calculates an intermediate level that approximates to an amplitude level of the input signal corresponding to an intermediate point between the first and second timings by an interpolation process based on the first and second amplitude levels, a second comparison circuit compares the intermediate level with the determined threshold, and a phase deviation detection circuit detects the deviation of phase between the clock and the input signal on the basis of comparison results obtained by the first and second comparison circuits. | 09-25-2014 |
20140286469 | RECEPTION CIRCUIT AND SEMICONDUCTOR INTEGRATED CIRCUIT - A burst mode CDR detects an edge from a data signal superimposed with a clock, and generates a recovered clock by means of a voltage controlled oscillator whose oscillation operation is reset based on a timing when the edge is detected. A phase adjustment unit adjusts the phase of a data signal so as to coincide with the phase of a recovered clock. A PLL-based CDR adjusts the oscillation frequency of the recovered clock by means of the voltage controlled oscillator, based on a phase difference between a data signal whose phase has been adjusted by the phase adjustment unit and a feedback clock from the voltage controlled oscillator. A determination unit determines the value of the data signal at a timing when the signal level of the recovered clock transitions. | 09-25-2014 |
20150117579 | RECEPTION CIRCUIT - A reception circuit includes: an equalizer; a comparator to compare an output signal of the equalizer with first, second, and third thresholds at a first-timing to output first, second, and third comparison-results, respectively; a selector to select any one of the first and second comparison-results based on a determination-result at a timing before the first-timing, and update the determination-result; a detector to detect a phase information based on the first or second comparison-result not selected; a shifter to adjust a sampling clock phase based on the phase information detected; and a controller to set a third threshold based on the first and second thresholds by either adjusting the first and second thresholds based on the output signal amplitude or adding/subtracting a first value to/from the output signal, detect an equalization-result based on the third comparison-result by the set third threshold, and adjust an equalization coefficient based on the detected equalization-result. | 04-30-2015 |
20150200768 | MULTI-LANE RE-TIMER CIRCUIT AND MULTI-LANE RECEPTION SYSTEM - A multi-lane re-timer circuit includes: a clock generation circuit to generate a base clock; and reception circuits to generate a reception clock and receive input data signals from lanes, wherein each of the reception circuits includes: a phase frequency detector to generate phase difference signal and frequency difference signal between the input data signal and the reception clock; a clock data regeneration controller to generate a control signal based on the phase difference signal; a phase rotator to generate the reception clock from the base clock; and a decision circuit to receive the input data signal, and wherein the clock generation circuit includes: an input selector to select a signal; a charge pump to generate a charge signal; a loop filter to remove a high frequency component from the charge signal to output a voltage control signal; and a voltage controlled oscillator to generate the reception clock. | 07-16-2015 |
20150207618 | TIMING SIGNAL GENERATION CIRCUIT - A timing signal generation circuit includes: a phase comparison circuit to detect a phase difference between an input signal and a recovery clock; a control voltage signal generation unit to generate two phase differential control voltage signals, based on the detected phase difference; a timing detection circuit to detect timing in which the control voltage signals are inverted, and generate quadrant information of the phase difference of the control voltage signals and an inverted timing signal; a synthesized phase selection circuit to select clocks of two phases which are used for phase interpolation for each predetermined angle, from clocks of a plurality of phases, and generate a phase control signal for the phase interpolation, based on the control voltage signals and the quadrant information; and a phase synthesis circuit to generate the recovery clock by synthesizing the selected clocks of two phases, based on the phase control signal. | 07-23-2015 |
20150214940 | PHASE INTERPOLATION CLOCK GENERATOR AND PHASE INTERPOLATION CLOCK GENERATING METHOD - A phase interpolation clock generator includes: a phase detector configured to detect a phase difference between an input signal and a clock; a phase control signal generator configured to generate a phase control signal that is inverted for a certain phase difference and changes between a high level and a low level based on the phase difference; a controller configured to generate a combining control signal for combining a plurality of phase clocks and performing phase interpolation based on the phase control signal; an overshoot detector configured to detect overshoot in which the phase control signal rises above the high level; an overshoot canceller configured to lower the phase control signal which rises above the high level at an occurrence of the overshoot; and a phase interpolator configured to generate the clock by combining the plurality of phase clocks in accordance with the combining control signal. | 07-30-2015 |
20150349783 | RECEIVING CIRCUIT - A receiving circuit includes: clock-and-data-recovery-circuits arranged in parallel, each of the clock-and-data-recovery-circuits including an LC-voltage-controlled-oscillator configured to generate a clock having an oscillation frequency according to an inductor and a capacitor, each clock-and-data-recovery-circuit being configured to sample a piece of input data with an output clock of the LC-voltage-controlled-oscillator and adjust the oscillation frequency of the LC-voltage-controlled-oscillator in accordance with a phase difference and a frequency difference between the piece of input data and the output clock of the LC-voltage-controlled-oscillator, thereby recovering data and a clock based on the piece of input data; and a gain-adjustment-circuit configured to adjust ratios of gains of up and down of the oscillation frequency of the LC-voltage-controlled-oscillator in a loop in each of the clock-and-data-recovery-circuits arranged adjacent to each other, in accordance with a phase difference between the pieces of input data and a phase difference between the output clocks of the respective clock-and-data-recovery-circuits. | 12-03-2015 |
20160099718 | FREQUENCY DETECTION CIRCUIT AND RECEPTION CIRCUIT - A frequency detection circuit includes: a first comparison circuit configured to output a first comparison result produced by comparison between a second threshold value higher than a first threshold value; a second comparison circuit configured to output a second comparison result produced by comparison between a third threshold value lower than the first threshold value; a third comparison circuit configured to output a third comparison result produced by comparison between the input data, and the first threshold value at second timing of a second clock; a phase detector configured to determine in which one of the areas an edge of the input data is positioned among the three areas produced by dividing a phase in a one-bit width time into three areas; and a phase rotation detector configured to detect a rotation direction of the phase based on a change of a detection result in the phase detector. | 04-07-2016 |
Patent application number | Description | Published |
20080308301 | PHOTOCURABLE AND THERMOSETTING RESIN COMPOSITION, CURED PRODUCT THEREOF, AND PRINTED CIRCUIT BOARD - The present invention provides a photocurable and thermosetting resin composition having excellent surface curability and deep curability, allowing pattern formation with a laser beam having a wavelength of 350 to 410 nm, and being useful as a solder resist for laser direct imaging, the composition including a carboxylic resin (A), an oxime ester-based photopolymerization initiator (B) such as 2-(acetyloxyiminomethyl)thioxanthene-9-one, and another photopolymerization initiator than (B) such as 2,4,6-trimethylbenzoyl-diphenyl-phosphine oxide, and a sulfur compound (E) such as 2-mercaptobenzothiazole. | 12-18-2008 |
20090029181 | PHOTOCURABLE AND THERMOSETTING RESIN COMPOSITION, CURED PRODUCT THEREOF, AND PRINTED WIRING BOARD OBTAINED BY USING THE SAME - A photocurable and thermosetting resin composition developable with a dilute alkaline solution containing: (A) an ethylenic unsaturated group-containing and carboxylic acid-containing resin, (B) a coumarin skeleton-containing sensitizer having a maximum absorption wavelength of 360 to 410 nm, as represented by the following Formula (I): | 01-29-2009 |
20090038834 | ALKALI DEVELOPMENT-TYPE SOLDER RESIST, CURED PRODUCT THEREOF, AND PRINTED WIRING BOARD PREPARED BY USING THE SAME - An alkali development-type solder resist includes (A) a carboxyl group-containing photosensitive resin obtained by reacting (a) a compound having two or more cyclic ether or thioether groups in the molecule with (b) an unsaturated monocarboxylic acid, reacting the product with (c) a polybasic acid anhydride, reacting the resulting resin with (d) a compound having a cyclic ether group and an ethylenic unsaturated group in the molecule, and reacting the product additionally with (c) a polybasic acid anhydride, (B) an oxime ester-based photopolymerization initiator containing a specific oxime ester group, (C) a compound having two or more ethylenic unsaturated groups in the molecule, and (D) a thermosetting component, wherein the dry film obtained by applying the composition has an absorbance of 0.3 to 1.2 per 25 μm of the film thickness at a wavelength of 350 to 375 nm. | 02-12-2009 |
20090194319 | PHOTOCURABLE RESIN COMPOSITION, DRY FILM, CURED PRODUCT, AND PRINTED CIRCUIT BOARD - Provided is a photocurable resin composition developable with a rare alkali solution, including a carboxylic acid-containing resin (A), a coloring agent (B) composed of a compound having an aminoantraquinone skeleton, a photopolymerization initiator (C), and a compound (D) having two or more ethylenically unsaturated groups within one molecule thereof, the composition being sufficiently colored while controlling absorption in the ultraviolet region using the coloring agent composed of a compound having an aminoantraquinone skeleton, having high sensitivity to ultraviolet and laser exposure, and providing good dry tack in a state of a dry coating film. | 08-06-2009 |
20130260109 | PHOTOCURABLE RESIN COMPOSITION, DRY FILM, CURED PRODUCT AND PRINTED WIRING BOARD - [Problems] The present invention provides a photocurable resin composition having excellent adhesion with a substrate and excellent resolution; a film obtained by using the photocurable resin composition; a cured product obtained by curing the photocurable resin composition; and a printed wiring board comprising the cured product. | 10-03-2013 |
Patent application number | Description | Published |
20110076081 | Image forming apparatus - An image forming apparatus includes an image forming unit that forms an image on a recording medium; a conveying unit that conveys the recording medium on which the image is formed; a crease forming unit that performs a crease forming process on the conveyed recording medium; a determining unit that determines whether or not the recording medium is a predetermined recording medium; and a control unit that prohibits the crease forming process from being performed by the crease forming unit when the determining unit determines that the recording medium is the predetermined recording medium. | 03-31-2011 |
20110130260 | Creasing device and image forming system - A creasing device includes: a first member on which a linear convex-edged blade is formed in a direction perpendicular to a sheet conveying direction; a second member on which a concave-edged blade pairing with the convex-edged blade is formed; and a drive unit that drives the first and second members to relatively come close to and away from each other, thereby making a crease on the sheet, wherein in a standby state, the drive unit keeps faces of the first member and second member not parallel; and in making a crease on the sheet, causes the convex-edged blade and the concave-edged blade to have point contact with each other via the sheet held therebetween so as to initiate a creasing movement by a rotation movement thereof. | 06-02-2011 |
20110245055 | Creasing device and image forming system - A creasing device includes a creasing unit that creases sheets on a one-by-one basis, which is conveyed to a folding device of a subsequent stage, a sheet detection unit that detects a position of a sheet delivered to the creasing device and a control unit that obtains reference information of a fold-position for the folding device and performs control of a stop position of the sheet according to reference information of the fold position, thereby adjusting a crease position. | 10-06-2011 |
20110301005 | Image forming system, sheet finisher, and folding method - An image forming system includes: a folding unit that folds a sheet of paper to form a fold in the sheet; a creasing unit that, before the sheet is folded, produces a crease in the sheet at a fold position where the fold is to be formed; a crease-position adjusting unit that adjusts a crease position where the crease is to be produced; a fold-position adjusting unit that adjusts the fold position; a first input unit that receives an input specifying an amount, by which the crease position is to be adjusted; and a second input unit that receives an input specifying an amount, by which the fold position is to be adjusted, wherein when the fold position is adjusted by the second input unit, the crease position is also adjusted in synchronization with the adjustment of the fold position. | 12-08-2011 |
20110301008 | Creasing device and image forming system - A creasing device for creasing sheets on a per-sheet basis, the creasing device includes: a first member extending perpendicularly to a sheet conveying direction and including a male blade, which has a convex cross section; a second member extending perpendicularly to the sheet conveying direction and including a grooved female blade, into which the male blade to be fitted with a sheet between the female blade and the male blade; and a drive unit that brings the first member and the second member relatively into and out of contact with each other to cause a sheet stopped at a predetermined position to be pinched between the first member and the second member and creased. An edge portion of any one of the first member and the second member has an arcuate shape. | 12-08-2011 |
20110301011 | Creasing device and image forming system - A creasing device that creases sheets on a per-sheet basis and includes: a first member extending perpendicularly to a sheet conveying direction and including a convex blade; a second member extending perpendicularly to the sheet conveying direction and including a concave blade, into which the convex blade is to be fitted; a drive unit that brings the first and the second members into and out of contact with each other, thereby producing a crease in a sheet interposed between the first and the second members; a sheet retainer driven by the drive unit and brought into contact with the second member with the sheet therebetween to retain the sheet across its full width; and a holding unit that holds the sheet retainer in a retaining state during creasing where the contact between the first and the second members starts at one point and develops in one direction. | 12-08-2011 |
20120083400 | Sheet Processing Apparatus And Image Forming System - A sheet processing apparatus includes: a correcting unit that corrects alignment of a sheet; a post-processing unit that performs post-processing on the sheet after the correcting unit corrects the alignment of the sheet; and a creasing unit that forms a crease on the sheet after the correcting unit corrects the alignment of the sheet. | 04-05-2012 |
20120086161 | CREASING APPARATUS AND IMAGE FORMING SYSTEM - A creasing apparatus that performs a creasing process on a sheet, the creasing apparatus including a first conveying path on which a creasing unit is located, the creasing unit performing a creasing process on a sheet conveyed therein; a second conveying path that conveys a sheet conveyed therein to a downstream side without any process being performed on the sheet; and a control unit that, while the first conveying path conveys a sheet so that the creasing unit performs the creasing process on the sheet, causes a subsequent sheet to be conveyed to the downstream side from the second conveying path. | 04-12-2012 |
20120115702 | Creasing apparatus and image forming system - A creasing apparatus forming a crease on sheets one by one includes: a first member having a linear convex blade formed in a direction perpendicular to a sheet conveying direction; a second member having a concave blade being paired with the convex blade; and a drive unit that moves the first and second members so as to cause the convex blade and the concave blade to form a crease on a sheet stopped at a predetermined position. The first member forms the convex blade with first comb and second comb and the second member forms the concave blade with third comb and fourth comb that advance and retract relative to each other. The drive unit selects advanced and retracted positions of the first comb and second comb and advanced and retracted positions of the third comb and fourth comb so as to perform a creasing process or a perforating process. | 05-10-2012 |
20120153556 | Sheet Processing Apparatus, Image Forming System, And Sheet Processing Method - A sheet processing apparatus includes: a sheet stacking unit on which sheets are accommodated and stacked as a sheet bundle; an aligning member that is movable along a trailing end, in a conveying direction, of the sheet bundle stacked on the sheet stacking unit and that aligns the trailing end of the sheet bundle in the sheet conveying direction by abutting thereon; a binding unit that moves along the trailing end of the sheet bundle in the sheet conveying direction and binds the aligned sheet bundle; and a moving unit that moves the aligning member in the sheet conveying direction. A distance from the trailing end of the sheet bundle in the sheet conveying direction to a binding position is adjusted by moving the aligning member in the sheet conveying direction. | 06-21-2012 |
20120157285 | CREASING DEVICE AND IMAGE FORMING SYSTEM - A creasing device includes: a first member including a convex blade; a first receiving member including an attachment surface where the first member is to be attached; a second member arranged to face the first member and including a concave blade that allows the convex blade to be fitted thereinto; and a second receiving member including an attachment surface where the second member is to be attached; and a driving section that brings the first and second members into contact with each other and separates the first member and the second member from one another. When the first member is attached to the first receiving member and the second member is attached to the second receiving member to face each other, a blade edge of at least one of the concave blade and the convex blade has an arcuate shape convex toward one another. | 06-21-2012 |
20120267846 | SKEW CORRECTION DEVICE, SHEET HANDLING APPARATUS, AND IMAGE FORMING SYSTEM - A skew correction device includes a first conveying unit arranged in a sheet conveying path; a second conveying unit arranged downstream of the first conveying unit in a conveying direction of a sheet; and a skew correction unit. When the sheet is unfolded paper, the skew correction unit performs a first skew correction that corrects for the skew of the sheet so that a leading edge of the sheet conveyed by the first conveying unit abuts on the second conveying unit that is stopped. When the sheet is fold paper, the skew correction unit performs a second skew correction that corrects for the skew of the sheet so that a leading edge of the sheet conveyed by the first conveying unit abuts the second conveying unit and the second conveying unit is driven in a reverse direction to the conveying direction at a predetermined operational timing. | 10-25-2012 |
20120282004 | SHEET HANDLING APPARATUS, IMAGE FORMING SYSTEM, AND SHEET RECEPTION CONTROL METHOD - A sheet handling apparatus includes a sheet reception unit configured to receive a sheet; an alignment unit configured to align the sheet in a conveying direction of the sheet, a trailing edge of the sheet in the conveying direction coming into contact with the alignment unit; and a moving unit configured to move the alignment unit along the sheet reception unit in the conveying direction. A first position for aligning and binding sheets and a second position located above the first position in the sheet reception unit are set for the alignment unit as receiving positions at which the sheet is received from the sheet reception unit. | 11-08-2012 |
20130113154 | Sheet Processing Apparatus, Image Forming System, And Sheet Processing Method - A sheet processing apparatus including front and back trailing-end reference fences that are movable along a sheet trailing-end and on which the sheet trailing-end abuts to align the sheet trailing-end, a side-stitching stapler that moves along the sheet trailing-end and binds a bundle of sheets aligned, a length-direction moving mechanism that moves the trailing-end reference fences in a sheet conveying direction, and a position changing unit that drives the length-direction moving mechanism to change the position of one of the trailing-end reference fences in the sheet conveying direction relative to the position of the other one. The front and back trailing-end reference fences are moved by the position changing unit in the sheet conveying direction to change binding positions such that the distances from the sheet trailing-end to staple positions are made equal in front-side binding and in back-side binding. | 05-09-2013 |
20130134659 | SHEET DISCHARGING DEVICE, SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM, AND SHEET DISCHARGING METHOD - A sheet discharging device includes: sheet discharging rollers that receive each of sheets conveyed thereto and discharge the sheets one by one; a shift tray on which the sheets discharged by the sheet discharging rollers are to be stacked; an air blower; and a CPU. The air blower forms an air layer between the shift tray and a sheet when the sheet is discharged onto the shift tray by the sheet discharging rollers, or between a sheet and the sheet that is already placed on the shift tray when the sheet is discharged. The CPU controls an air velocity of air to be delivered by the air blower based on sheet information, thereby causing the air layer to extend to the entire surface of the sheet. | 05-30-2013 |
20130147105 | SHEET HANDLING APPARATUS AND IMAGE FORMING SYSTEM - A sheet handling apparatus includes a sheet folding unit configured to perform folding on a sheet; and a sheet stacking unit configured to stack the folded sheet on a sheet stacking surface having an inclined surface and a nearly horizontal surface in order from upstream to downstream in a sheet conveying direction. A downstream end of the inclined surface is higher than an upstream end of the inclined surface with respect to a horizontal plane. The sheet handling apparatus also includes a discharging unit configured to discharge the folded sheet to the sheet stacking unit; a sheet conveying unit configured to convey the discharged sheet from the inclined surface to the nearly horizontal surface; and a conveying force applying unit configured to apply a conveying force to the sheet in contact with an upper surface of the sheet from above the inclined surface. | 06-13-2013 |
20130236228 | RECORDING MEDIUM DISCHARGING DEVICE - A recording medium discharging device includes a discharging unit configured to discharge a recording medium from a discharge port; a tray unit on which the recording medium discharged from the discharging unit is stacked; and an air blower configured to blow air in a direction substantially parallel to a direction in which the recording medium is discharged. | 09-12-2013 |
20130264762 | SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - A sheet processing apparatus includes a stacking channel to stack multiple sheets into a sheet bundle, and a binding device to bind together the sheet bundle, the binding device including multiple clamping portions to clamp the sheet bundle to create multiple clamping marks on the sheet bundle. When the binding device binds a corner area of the sheet bundle, a longitudinal direction of each of the multiple clamping marks forms an angle within a range from 30 degrees to 60 degrees with a side of the corner area of the sheet bundle. | 10-10-2013 |
20130270762 | SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - A sheet processing apparatus includes a conveyance unit to transport a sheet bundle including multiple sheets in a sheet conveyance direction and a binding device including a clamping unit. The clamping unit includes multiple projections and multiple recesses to engage the respective projections to clamp the sheet bundle inserted therebetween. At least one of the multiple projections includes an inclined portion facing a sheet conveyance direction, and an inclination of the inclined portion is 45 degrees or smaller relative to a face parallel to the sheet conveyance direction. | 10-17-2013 |
20130300050 | SHEET PROCESSING APPARATUS, IMAGE FORMING SYSTEM, AND SHEET BINDING METHOD - A sheet processing apparatus includes a pair of squeezing members having a projection and a recess to engage each other, to squeeze a sheet bundle inserted therebetween in a direction of thickness of the sheet bundle, and a pressure applying unit to apply pressing force to the squeezing members to squeeze and bind the sheet bundle. The pressing force generated between the squeezing members by the pressure applying unit increases in strength as a relative distance between the squeezing members decreases. | 11-14-2013 |
20140138896 | SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - According to an aspect of an embodiment, a sheet processing apparatus includes: a conveying unit configured to convey sheets; a stacking unit configured to stack the conveyed sheets to form a sheet stack; and a binding unit configured to include a pair of toothed jaw and bind the sheet stack by pressing the sheet stack between the pair of toothed jaw, wherein at least one portion of edges of the toothed jaw is rounded. | 05-22-2014 |
20140151951 | POSTPROCESSING APPARATUS, AND IMAGE FORMING APPARATUS AND IMAGE FORMING SYSTEM INCLUDING THE POSTPROCESSING APPARATUS - A postprocessing apparatus includes a stacking unit that stacks a sheet, an abutting unit that corrects a conveying direction of the sheet, a return roller that abuts the sheet against the abutting unit, a shift conveying unit that shifts the sheet in a width direction, and a width direction detector that detects a width direction position of the sheet. When the sheet is shifted by the shift conveying unit by a predetermined amount, passed to the return roller, and abutted against the abutting unit, distances A and B are nearly the same, where the distance A is a distance from a conveying direction position of a side of the sheet to a rear end of the sheet and the distance B is a distance from the return roller to the abutting unit. | 06-05-2014 |
20140219747 | SHEET BINDING DEVICE, SHEET PROCESSING APPARATUS, IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM, AND SHEET BINDING METHOD - A sheet binding device binds a sheet bundle by causing a movable-crimping-member moving unit to move a movable crimping member thereby holding a sheet bundle between crimping members. The movable-crimping-member moving unit includes: a link mechanism that includes a first link member rotatably connected to the movable crimping member, a second link member rotatably connected to a fixed member fixed to a device body and connected to the first link member through a connecting part; a connecting member rotatably connected to the connecting part, and capable of moving between a first position causing the link mechanism to be extended and a second position causing the link mechanism to be more flexed than in the first position; and a connecting-member moving unit that includes a rotary member capable of rotating on a displaceable rotating shaft, and reciprocates the connecting member by rotation of the rotary member in one direction. | 08-07-2014 |
20150030414 | METHOD FOR ATTACHING CRIMPING MEMBERS, SHEET BINDING DEVICE, AND IMAGE FORMING APPARATUS - The present invention is concerning a method for attaching a pair of crimping members in a sheet binding device that binds a sheet bundle by engagement of the pair of crimping members, wherein at least one of the crimping members is attached to a member to which the one of the crimping members is to be attached in a state where the pair of crimping members is in engagement. | 01-29-2015 |
20150076759 | SHEET BINDING DEVICE, SHEET PROCESSING APPARATUS, AND IMAGE FORMING SYSTEM - A sheet binding device includes: a pair of crimping members each including alternately-arranged multiple recesses and multiple protrusions to bind a sheaf of sheets by fitting the recesses and the protrusions with the sheet sheaf interposed therebetween. When the recesses and the protrusions of the pair of crimping members are fitted, slanted side faces of the protrusions of one of the pair of crimping members and that of the other one of the pair of crimping members are in contact with each other with a clearance left both between top portions of the protrusions of the one of the crimping members and bottom portions of the recesses of the other one of the crimping members and between top portions of the protrusions of the other one of the crimping members and bottom portions of the recesses of the one of the crimping members. | 03-19-2015 |
20150091246 | SHEET PROCESSING APPARATUS AND IMAGE FORMING SYSTEM - A sheet processing apparatus includes: a loading tray on which a sheet is loaded; a pair of ejection rollers that eject the sheet to the loading tray and in which a pair or roller members are configured to be able to contact with and separate from each other; a pair of shift rollers that is provided upstream of the pair of ejection rollers in a sheet conveyance direction, are movable in a sheet width direction that is a direction perpendicular to the sheet conveyance direction, convey the sheet towards the loading tray, and performs a shift operation of shifting the sheet to a different position in the sheet width direction; and a control unit that performs control to change, based on sheet information, a shift operation timing of the sheet by the pair of shift rollers and a contacting and separating timing of the pair of ejection rollers. | 04-02-2015 |
20150093214 | PAPER BINDING DEVICE, PAPER PROCESSING APPARATUS, IMAGE FORMING APPARATUS, AND IMAGE FORMING SYSTEM - A paper binding device comprises: a pair of binding members that has a pair of teeth portions, and presses to bind a bundle of paper sheets; a moving unit that causes one of the pair of binding members to move along with the other of the pair of binding members between a binding position at which the bundle of paper sheets is bound and a retracted position; a separating unit that moves coordinating with movement of the one of the pair of binding members, and when the one of the pair of binding members moves from the binding position to the retracted position, that contacts with the bundle of the paper sheets and causes the bundle of paper sheets to separate from the one of the pair of binding members; and a restricting member that stops the separating unit at a restricting position between the binding position and the retracted position, when the one of the pair of the binding members moves from the binding position to the retracted position. | 04-02-2015 |
20150253716 | RECORDING MEDIUM DISCHARGING DEVICE - A recording medium discharging device includes a discharging unit configured to discharge a recording medium from a discharge port; a tray unit on which the recording medium discharged from the discharging unit is stacked; and an air blower configured to blow air in a direction substantially parallel to a direction in which the recording medium is discharged. | 09-10-2015 |
20150360899 | SHEET PROCESSING DEVICE AND IMAGE FORMING SYSTEM - A sheet processing device is for binding sheets together. The sheet processing device includes binding units differing from each other in maximum sheet count, the maximum sheet count being a maximum number of sheets that can be bound at a time; a sheet tray configured to hold sheets until all to-be-bound sheets are placed therein, the number of the to-be-bound sheets being a largest one of the maximum sheet counts of the binding units or smaller; and a stacked-sheet-count limiting unit situated in a thickness direction of the sheets held in the sheet tray. The stacked-sheet-count limiting unit is configured to limit the number of sheets held in the sheet tray by varying a distance from a sheet support surface of the sheet tray on which the sheets are placed, depending on one of the binding units by which the sheets held in the sheet tray are to be bound. | 12-17-2015 |