Abstract: A key exchange system according to an embodiment includes: a plurality of terminals that perform key exchange; and a server that performs authentication of each of the terminals and mediation of the key exchange, in which the server includes a nonce generation unit that generates a nonce used when the authentication is performed between the server and the terminal by federation using OpenID Connect, a key generation unit that generates a public key and a secret key of token control encryption, a first transmission unit that transmits the nonce and the public key to the terminal, and a decryption unit that decrypts a ciphertext received from the terminal by using the secret key and a token received from the terminal, and the terminal includes an encryption unit that generates a ciphertext obtained by encrypting predetermined data by using the public key and a token generated from the nonce, a second transmission unit that transmits the ciphertext to the server, and a long-term secret string generation unit tha

Abstract: A gas barrier laminate in which separation between a coating layer having gas barrier properties and a layer adjacent to the coating layer is less likely to occur. A coating solution for producing a gas barrier laminate contains a carboxyl group-containing polymer (A), polyvalent metal-containing particles (B), a surfactant (C), an organic solvent (D), and at least one silicon-containing compound (E) selected from the group consisting of a silane coupling agent represented by the following general formula (1), a silane coupling agent represented by the following general formula (2), hydrolysates thereof, and condensates thereof, wherein the mass ratio of the silicon-containing compound (E) to the carboxyl group-containing polymer (A) is 0.5% or more. Si(OR1)3Z1 . . . (1); Si(R2)(OR3)2Z2 . . . (2). (R1 and R3 are alkyl groups having 1 to 6 carbon atoms, R2 is a methyl group, and Z1 and Z2 are a group containing an epoxy group.

Abstract: Deterioration of gas barrier properties due to sedimentation of aggregates in a coating liquid is decreased or minimized. A coating liquid for producing a gas barrier laminate contains a carboxy group-containing polymer, polyvalent metal-containing particles, a high molecular weight dispersant with an acidic group, and an organic solvent, and has a pH in a range of 4 to 6 at 25° C.

Abstract: A non-transitory computer-readable recording medium stores a program that causes a computer to execute a process, the process includes obtaining first graph information indicating a relationship between elements of a plurality of elements included in communication information on a first group, obtaining second graph information indicating a relationship between elements of a plurality of elements included in communication information on a second group, comparing the first graph information and the second graph information, and outputting information that recommends to merge the first group and the second group when it is determined that the first graph information and the second graph information are similar based on a result of the comparison.

Abstract: High gas barrier properties can be achieved without requiring strict control for preventing entry of moisture. A coating liquid for producing a gas barrier laminate contains a carboxy group-containing polymer, polyvalent metal-containing particles, a surfactant, and an organic solvent. In the coating liquid, the carboxy group-containing polymer has a number average molecular weight of 100,000 or less.

Abstract: A non-transitory computer-readable recording medium stores a display control program for causing a computer to execute a process including: identifying, from voice information of a participant of a conference or image information of the conference stored in a storage unit, a speaking partner of a remark to be recorded in minutes generated on a basis of the voice information; and displaying the remark to be recorded in the minutes and a relationship between a speaker who has made the remark and the participant other than the speaker in conjunction with each other.

Abstract: A printer includes a casing, a print mechanism disposed inside the casing, and a paper tray. A conveying route extends from the tray to the print mechanism, with a first roller disposed adjacent the tray to feed a sheet from the tray to the conveying route. A second roller is disposed in the conveying route and conveys the sheet fed by the first roller to the print mechanism. A driving source provides a driving source to the first roller and the second roller. A controller is configured to, in response to a printing request, apply the driving force from the driving source to the first and second rollers such that the first and second rollers rotate. In response to a magnitude of a load of the driving source, the controller applies the driving force to the second roller such that the second roller rotates, and the controller does not apply the driving source to the first roller such that the first roller does not rotate.

Abstract: A non-transitory computer-readable recording medium stores a generation program that causes a computer to execute a process including: acquiring a character string recognized from a voice of a speaker, and data representing a movement of the speaker in a period corresponding to a period in which the voice is output; and generating information indicating a correspondence relationship between a character string and a movement based on the acquired character string and the acquired data representing the movement.

Abstract: A method executed by a computer. The method includes, acquiring a first image of a customer, acquiring a second image of a responder who responds to the customer, identifying the customer based on the first image, acquiring customer information corresponding to the customer, identifying the responder based on the second image, determining a reading authority of the responder, and instructing a terminal of the responder to display information, the information being selected from the customer information in accordance with the reading authority.

Abstract: A reception supporting method is executed by a computer. The reception supporting method includes determining a responder who responds to a customer when the customer is detected, acquiring time taken until responding to the customer by the responder, selecting a first scenario from among a plurality of scenarios to each of which conversation time is individually set, the first conversation time set to the first scenario being no longer than the time, and instructing a human interface device to execute a conversation with the customer, the conversation being based on the first scenario.

Abstract: A printer includes a casing, a print mechanism disposed inside the casing, and a paper tray. A conveying route extends from the tray to the print mechanism, with a first roller disposed adjacent the tray to feed a sheet from the tray to the conveying route. A second roller is disposed in the conveying route and conveys the sheet fed by the first roller to the print mechanism. A driving source provides a driving source to the first roller and the second roller. A controller is configured to, in response to a printing request, apply the driving force from the driving source to the first and second rollers such that the first and second rollers rotate. In response to a magnitude of a load of the driving source, the controller applies the driving force to the second roller such that the second roller rotates, and the controller does not apply the driving source to the first roller such that the first roller does not rotate.

Abstract: There is provided an image forming apparatus including: a forming section having an image holding member and an developing portion, and configured to apply a developing bias voltage to the developing portion to develop an electrostatic latent image on the image holding member; a sensor configured to detect a mark formed by the forming section; a storage; and a controller configured to perform: forming first and second marks, obtaining the densities of the first and second marks, obtaining a slope, and determining a target bias voltage value, and storing the target bias voltage value in the storage.

Abstract: An image processing apparatus includes: an image processing unit; a discharge unit to which a recording medium is discharged; a first conveyance path for conveying the recording medium from the image processing unit to the discharge unit; a second conveyance path having a part overlapped with the first conveyance path and for reversing and conveying the recording medium from the overlapped part to the image processing unit through a path different from the first conveyance path; a first rotary member that is arranged at the overlapped part; and a control unit that controls the first rotary member, wherein the control unit makes the recording medium stand by at a position including at least the overlapped part before the recording medium is conveyed to the image processing unit through the second conveyance path.

Abstract: An image formation device is provided with an endless belt wound around a driving roller and a driven roller, a driving helical gear integrally provided at an axial end of the driving roller and rotating integrally with the driving roller. The driving helical gear applies a rotational force and an axial force to the driving roller. A plurality of guiding ribs are provided to an inner surface of the endless belt, while a regulating portion is provided at least one of the driving roller and the driven roller. The regulating portion has a regulation surface. When the endless belt moves obliquely in a direction in which the driving helical gear applies the axial force to the driving roller, side surfaces of the guiding ribs contact the regulating surface and prevent the oblique movement of the endless belt.

Abstract: An image forming apparatus is provided that includes an image forming unit including a process unit, a frame configured to hold the process unit detachably attached thereto, the frame including a first communication portion communicating with an outside of the frame in a first direction to detach the image forming unit from the frame, and a second communication portion communicating with the outside of the image forming apparatus in a second direction different from the first direction, and a material holder configured to hold material for image formation by the image forming unit and detachably attached to a predetermined portion of the frame that is close to the second communication portion relative to the voltage output terminal, so as to close the second communication portion.

Abstract: There is provided an image forming apparatus including: a forming section having an image holding member and an developing portion, and configured to apply a developing bias voltage to the developing portion to develop an electrostatic latent image on the image holding member; a sensor configured to detect a mark formed by the forming section; a storage; and a controller configured to perform: forming first and second marks, obtaining the densities of the first and second marks, obtaining a slope, and determining a target bias voltage value, and storing the target bias voltage value in the storage.

Abstract: An image forming apparatus includes a switchback roller which switches between a normal rotation direction and a reverse rotation direction, first and second gear train for rotating the switchback roller in the normal and reverse rotation directions, respectively, a switching unit including a pendulum gear which is movable among a first engagement position where the pendulum gear is engaged with the first gear train, a second engagement position where the pendulum gear is engaged with the second gear train, and a disengagement position where the pendulum gear is not engaged with the first gear train and the second gear train. The switching unit is switchable among a first mode where the pendulum gear is held at the first engagement position, a second mode where the pendulum gear is held at the second engagement position, and a third mode where the pendulum gear is held at the disengagement position.

Abstract: An image forming apparatus includes: a cartridge; a drive source; a detection unit; and a control device. The cartridge includes a movable member provided with a detected portion and configured to move by a predetermined moving amount. The drive source generates a rotation as a drive force and transmits the drive force to the movable member. The drive source includes a rotation amount detection unit that detects a rotation amount of the drive source and outputs a first detection result. The detection unit detects the detected portion and outputs a second detection result. The control device executes: a calculation process configured to calculate the rotation amount of the drive source during a time period of detecting the detected portion based on the first detection result and the second detection result; and a cartridge type determination process configured to determine a type of the cartridge based on the calculated rotation amount.

Abstract: An image forming apparatus includes an image forming unit, an ejection portion from which a first sheet and a second sheet having images formed in the image forming unit are to be ejected, an ejection tray including a receiving portion configured to receive the sheet ejected from the ejection portion, and a stopper portion disposed on a downstream side of the ejection tray in a sheet ejection direction further than the ejection portion. The receiving portion has first and second recessed portions, which are recessed downward therefrom. The stopper portion is configured to stop the sheet ejected from the ejection portion. The recessed portions are located downstream from the ejection portion and upstream from the stopper portion in the sheet ejection direction, and spaced apart from each other at least in the sheet ejection direction.

Abstract: An image forming apparatus including: a sheet feeding section; an image forming section configured to form an image on the sheet fed from the sheet feeding section; and a control device configured to: cause the image forming section to form the image, cause the image forming section to perform a quality assurance operation, if a resource necessary for the image forming operation is not available for a predetermined time from an end of the image forming operation, and extend the predetermined time when determined that it is necessary for the user to set the sheet in the sheet feeding section prior to the image forming operation to be longer than the predetermined time when determined that it is not necessary for the user to set the sheet in the sheet feeding section prior to the image forming operation.