Patent application number | Description | Published |
20140054839 | IMAGE READING APPARATUS - There are provided an image reading apparatus which can effectively detect sound which is generated when a jam has occurred for a plurality of types of jams. The image reading apparatus includes a separator, an image reader for reading an image from a paper, a conveying module for conveying a paper separated by the separator to the image reader, a side wall provided at a side of a conveyance path of the paper, a sound signal generator, provided with a sound detector between the separator and the conveying module and near the side wall, for generating a sound signal corresponding to a sound generated by the paper during conveyance, and a jam detector for determining whether a jam has occurred based on the sound signal. | 02-27-2014 |
20140054840 | PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can suppress erroneous detection of the occurrence of a jam by a sound due to the sound generated along with conveyance of the paper. The paper conveying apparatus includes a first sound signal generator for generating a first sound signal, at least a part of the first sound signal generator is provided near a separator, a second sound signal generator for generating a second sound signal, at least a part of the second sound signal generator is provided at least at one end of a conveyance path of the paper, and a sound jam detector for determining whether a jam has occurred based on the second sound signal according to a detection method, wherein the sound jam detector changes the detection method based on the first sound signal. | 02-27-2014 |
20140054841 | PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium which can suppress erroneous detection of the occurrence of a jam. The paper conveying apparatus includes a sound signal generator, provided with a sound detector near a conveyance path of paper, for generating a sound signal corresponding to a sound generated by a paper during conveyance of the paper, a sound jam detector for determining whether a jam has occurred based on a predetermined sound signal, and a control module for performing an abnormal processing when the sound jam detector determines that the jam has occurred and the predetermined sound signal is not generated at a predetermined timing, and determining that the jam has not occurred and not performing the abnormal processing when the sound jam detector determines that the jam has occurred and the predetermined sound signal is generated at the predetermined timing. | 02-27-2014 |
20140054844 | PAPER CONVEYING APPARATUS - There are provided a paper conveying apparatus which can effectively detect a sound which is generated when a jam occurs for various types of jams. The paper conveying apparatus includes a side guide, arranged to be movable in a direction which is perpendicular to a conveyance direction of a paper placed on a paper tray, for restricting a width direction of the paper, a sound signal generator, provided at the side guide so that a sound detector moves in accordance with movement of the side guide, for generating a sound signal corresponding to a sound generated by the paper during conveyance of the paper, and a sound jam detector for determining whether a jam has occurred based on the sound signal. | 02-27-2014 |
20140054845 | PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can suppress erroneous detection of a jam by sound due to the sound which a paper which has a wrinkle generates. The paper conveying apparatus includes a separator, a sound signal generator, provided with a sound detector provided at a downstream side of the separator, for generating a sound signal in accordance with the sound generated by a paper during conveyance, a sound jam detector for determining whether a jam has occurred based on the sound signal, and a wrinkle detector, provided at a downstream side of the separator, for detecting optically a wrinkle of a paper, wherein the sound jam detector changes the method of detection of the jam when the wrinkle detector detects a wrinkle of a paper. | 02-27-2014 |
20140054849 | PAPER CONVEYING APPARATUS, MULTIFEED DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a multifeed detection method and a computer-readable, non-transitory medium which can suppress erroneous detection of the occurrence of a multifeed. The paper conveying apparatus includes an ultrasonic detector for outputting an ultrasonic signal, a multifeed detector for determining whether a multifeed of papers has occurred based on the ultrasonic signal, a sound signal generator for generating a sound signal, and a control module for performing an abnormal processing when the multifeed detector determines that a multifeed has occurred and the sound signal generator does not output a predetermined sound signal, and determining that a multifeed has not occurred and not performing the abnormal processing when the multifeed detector determines that a multifeed has occurred and the sound signal generator outputs the predetermined sound signal. | 02-27-2014 |
20140054850 | PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can suppress erroneous detection of an occurrence of a jam by sound due to the sound generated along with conveyance of a paper. The paper conveying apparatus includes a first sound signal generator for generating a first sound signal corresponding to a sound generated by a paper during conveyance, at least a part of the first sound signal generator is provided at one end of a conveyance path of the paper, a second sound signal generator for generating a second sound signal corresponding to the sound, at least a part of the second sound signal generator is provided at the other end of the conveyance path, and a sound jam detector for determining whether a jam has occurred based on a difference of the first sound signal and the second sound signal. | 02-27-2014 |
20140054851 | PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium which can determine whether a jam has occurred based on the sound which is generated by a paper during conveyance at a low cost. The paper conveying apparatus includes an ultrasonic detector, provided near a conveyance path of a paper, for detecting an ultrasonic wave which passes through paper and outputting an ultrasonic signal, a multifeed detector for determining whether multifeed of papers has occurred based on a component of a first frequency band in the ultrasonic signal, and a sound jam detector for determining whether a jam has occurred based on a component of a second frequency band lower than the first frequency band in the ultrasonic signal. | 02-27-2014 |
20140054852 | PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium which can precisely determine any occurrence of a jam by a sound regardless of the conveyance speed of the paper. The paper conveying apparatus includes a sound signal generator for generating a sound signal corresponding to a sound generated by a paper during conveyance of the paper, a corrected signal generator for correcting the sound signal to generate a corrected signal, and a sound jam detector for determining whether a jam has occurred based on the corrected signal, wherein the corrected signal generator sets a method of correcting the sound signal in accordance with conveyance speed information. | 02-27-2014 |
20140054853 | PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium which can precisely determine any occurrence of a jam by a sound which is generated by paper for various types of paper. The paper conveying apparatus includes a sound signal generator, provided with a sound detector near a conveyance path of a paper, for generating a sound signal corresponding to a sound generated by a paper during conveyance of the paper, a paper thickness setting module for setting a thickness of a paper conveyed to the conveyance path, and a sound jam detector for determining whether a jam has occurred based on a signal of a specific frequency band in the sound signal, wherein the sound jam detector determines the specific frequency band based on a thickness of the paper. | 02-27-2014 |
20140062008 | PAPER CONVEYING APPARATUS, RECOVERY METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can improve the user friendliness in recovery processing when a jam has occurred during conveyance of a paper. The paper conveying apparatus includes a sound signal generator for generating a sound signal, a sound jam detector for determining whether a jam has occurred based on the sound signal, a control module for stopping conveyance of a paper when the sound jam detector determines that the jam has occurred, a paper state detector for detecting a state of the paper, and a recovery processing module for performing recovery processing which resumes conveyance of the paper in accordance with a content of detection of the paper state detector when the sound signal generator outputs a predetermined sound signal after stopping conveyance of the paper by the control module. | 03-06-2014 |
20140062009 | PAPER CONVEYING APPARATUS, RECOVERY METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can improve the user friendliness in the recovery processing when determining that a jam has occurred during conveyance of a paper. The paper conveying apparatus includes a sound signal generator for generating a sound signal, a sound jam detector for determining whether a jam has occurred based on the sound signal, a control module for stopping conveyance of a paper when the sound jam detector determines that the jam has occurred, a paper state detector for detecting a state of the paper, and a recovery processing module for automatically performing a recovery processing which resumes conveyance of the paper in accordance with a content of the detection of the paper state detector after stopping the conveyance of the paper by the control module. | 03-06-2014 |
20140077440 | PAPER CONVEYANCE APPARATUS - A paper conveyance apparatus including a conveyance roller module including a pair of a sheet feeding roller and a separation roller opposite to each other across a paper conveyance path, a sound receiving aperture positioned on the same side as one side of the paper conveyance path, the one side including any one of the conveyance roller module, a sound shield positioned on a straight line between a nip portion of the conveyance roller module and the sound receiving aperture, a sound signal generator for generating a sound signal in response to a sound detected through the sound receiving aperture, and a sound jam detector for determining whether a jam has occurred based on the sound signal. | 03-20-2014 |
20140077445 | PAPER CONVEYING APPARATUS, ABNORMALITY DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, an abnormality detection method and a computer-readable, non-transitory medium which can precisely determine whether an abnormality has occurred when paper is conveyed. The paper conveying apparatus includes a sound generator for generating a paper sound by contacting a paper, a first sound signal generator for generating a first sound signal corresponding to the paper sound, and an abnormal conveyance detector for determining whether an abnormal conveyance has occurred when the paper is being conveyed according to a detection method, wherein the abnormal conveyance detector is configured to change the detection method based on the first sound signal. | 03-20-2014 |
20140077446 | PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can suppress erroneous detection of a jam. The paper conveying apparatus includes a sound signal generator, provided with a sound detector near a conveyance path of a paper, for generating a sound signal, and a sound jam detector for determining whether a jam has occurred based on a variation of a component of the sound signal. | 03-20-2014 |
20140077447 | PAPER CONVEYING APPARATUS, JAM DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that can suppress erroneous detection of a jam. The paper conveying apparatus includes a sound signal generator for generating a sound signal, a sound jam detector for determining whether a jam has occurred based on the sound signal, a special sound detector for determining whether a special sound has been generated based on a component of the sound signal, and a control module for performing abnormal processing when the sound jam detector determines that a jam has occurred and the special sound detector determines that a special sound has not been generated, and determining that no jam has occurred and not performing the abnormal processing when the sound jam detector determines that a jam has occurred and the special sound detector determines that a special sound has been generated. | 03-20-2014 |
20140077448 | PAPER CONVEYING APPARATUS, ABNORMALITY DETECTION METHOD, AND COMPUTER-READABLE, NON-TRANSITORY MEDIUM - There are provided a paper conveying apparatus, a jam detection method and a computer-readable, non-transitory medium that suppress erroneous detection of occurrence of a jam by a sound due to a sound generated from the apparatus. The paper conveying apparatus includes a sound signal generator, provided with a sound detector near a conveyance path of paper, for generating a sound signal, a sound jam detector for determining whether a jam has occurred based on the sound signal output during a paper conveying operation, a control module for performing abnormal processing when the sound jam detector determines that the jam has occurred, and an abnormal sound detector for determining whether an abnormal sound has been generated based on the sound signal output before a paper conveying operation. | 03-20-2014 |
20140077449 | PAPER CONVEYANCE APPARATUS - A paper conveyance apparatus including a housing, a guide member for guiding a paper conveyed in a paper conveyance path, the guide member being attached to the housing, a sound signal generator for generating a sound signal in response to a sound detected through a sound receiving aperture disposed in a space between the housing and the guide member, and a vent path for cleaning the sound receiving aperture by an air blow to the sound receiving aperture, the vent path communicating with the interior and exterior of the space between the housing and the guide member | 03-20-2014 |
20140327925 | PAPER CONVEYING APPARATUS - There are provided a paper conveying apparatus that can precisely determine the presence of occurrence of a jam by a jam sound. The paper conveying apparatus includes an analog sound signal generator for generating an analog sound signal corresponding to a sound generated by the paper during conveyance of the paper, a corrected signal generator for generating a signal acquiring the peak hold of the analog sound signal or a signal detecting the analog sound signal as a corrected signal, a digital converter for sampling the corrected signal and converting the corrected signal to a digital format to generate a digital sound signal, and a sound jam detector for determining whether a jam has occurred based on the digital sound signal. | 11-06-2014 |