Abstract: An objective is to notify a user that a password is not set yet and to provide the user with necessary information for setting a password, when connected to a network. An information processing device includes a communication interface, a printer, a memory, and a processor. The processor is configured to (i) acquire setting information and address information from a server on the network via the communication interface when the communication interface is connected to the network where (a) the setting information includes a password setting state and (b) the address information includes information for accessing a password setting screen for setting the password, (ii) check the password setting state of the password based on the setting information; and (iii) control the printer to print a guide including the address information to direct the user to the password setting screen in response to the password not being set.

Abstract: A thermal printer according to one embodiment includes a thermal head, a temperature sensor, and a control unit. The thermal head includes a plurality of heating elements. The temperature sensor is provided in the thermal head and is configured to measure a temperature of the thermal head. The control unit is configured to control an amount of heat generated from the heating elements by determining a pulse supply time for which a pulse signal is supplied to the thermal head based on the temperature of the thermal head and a cumulative heat generation time of the thermal head.

Abstract: Trunk lid stopper mechanism and method for controlling rotational speed of a trunk lid to slow down and halt its movement, and to hold the trunk lid at the halted position. The stopper mechanism comprises hinge arms for supporting the lid, torsion bars for applying biasing force to the lid, and link arms for transmitting biasing force from torsion bars to the hinge arms. Either each hinge arm or link arm is equipped with a stopper member that brakes the rotation movement of the trunk lid and halts the trunk lid fully-open. The stopper member has tapered surfaces for reducing relative rotational speed between the hinge and link arms by being forced therebetween during their relative rotational movement, and a stopper surface(s) for abutting against the other arm and halting the arms' relative rotational movement at the fully open position of the trunk lid.

Abstract: According to one embodiment, provided area memory control device and a program capable of preventing deterioration of a flash memory used for storing data that is repeatedly rewritten and used, and extending an operating life of the flash memory. The memory control device performs writing and erasing on a flash memory, and the memory control device includes: a write processing unit, when there is a blank region in which data is not written in a predetermined storage region included in the flash memory, and a capacity of the blank region is sufficient for a capacity of data to be written, configured to write the data to be written in the blank region; and an erase processing unit, when there is no blank region, or the capacity of the blank region is insufficient for the capacity of the data to be written, configured to erase the entire storage region.

Abstract: An objective is to notify a user that a password is not set yet and to provide the user with necessary information for setting a password, when connected to a network. An information processing device includes a communication interface, a printer, a memory, and a processor. The processor is configured to (i) acquire setting information and address information from a server on the network via the communication interface when the communication interface is connected to the network where (a) the setting information includes a password setting state and (b) the address information includes information for accessing a password setting screen for setting the password, (ii) check the password setting state of the password based on the setting information; and (iii) control the printer to print a guide including the address information to direct the user to the password setting screen in response to the password not being set.

Abstract: According to one embodiment, an electronic apparatus includes a connection unit configured to be capable of being connected to a host device, a storage unit configured to store device classes of a plurality of types, a processing unit configured to execute processing for establishing communication with the host device connected to the connection unit by selectively using one device class from among the device classes stored in the storage unit, and a processing control unit configured to change the device class to be used for the processing by the processing unit if a message appropriate for the selected device class is not transmitted from the host device.

Abstract: According to one embodiment, an electronic apparatus includes a connection unit configured to be capable of being connected to a host device, a storage unit configured to store device classes of a plurality of types, a processing unit configured to execute processing for establishing communication with the host device connected to the connection unit by selectively using one device class from among the device classes stored in the storage unit, and a processing control unit configured to change the device class to be used for the processing by the processing unit if a message appropriate for the selected device class is not transmitted from the host device.

Abstract: A thermal printer according to one embodiment includes a thermal head, a temperature sensor, and a control unit. The thermal head includes a plurality of heating elements. The temperature sensor is provided in the thermal head and is configured to measure a temperature of the thermal head. The control unit is configured to control an amount of heat generated from the heating elements by determining a pulse supply time for which a pulse signal is supplied to the thermal head based on the temperature of the thermal head and a cumulative heat generation time of the thermal head.

Abstract: Trunk lid stopper mechanism and method for controlling rotational speed of a trunk lid to slow down and halt its movement, and to hold the trunk lid at the halted position. The stopper mechanism comprises hinge arms for supporting the lid, torsion bars for applying biasing force to the lid, and link arms for transmitting biasing force from torsion bars to the hinge arms. Either each hinge arm or link arm is equipped with a stopper member that brakes the rotation movement of the trunk lid and halts the trunk lid fully-open. The stopper member has tapered surfaces for reducing relative rotational speed between the hinge and link arms by being forced therebetween during their relative rotational movement, and a stopper surface(s) for abutting against the other arm and halting the arms' relative rotational movement at the fully open position of the trunk lid.

Abstract: A heat transfer device that includes a thermionic power generator, a wiring, a load circuit, and a switch circuit. The thermionic power generator includes an emitter electrode and a collector electrode facing each other with an inter-electrode gap distance, and converts heat energy into electric energy by capturing, with the collector electrode, a thermoelectron that is emitted from the emitter electrode. The wiring electrically connects the emitter electrode and the collector electrode. The load circuit is connected to an electric current path of by wiring between the emitter electrode and the collector electrode. The switch circuit switches between an ON state and an OFF state.

Abstract: A printer comprises a first conveyance section which conveys a sheet; a cutter which cuts the sheet through either full cutting for cutting the whole sheet in a width direction or partial cutting for cutting a part of the sheet in the width direction with remaining part uncut; a second conveyance section which further conveys the sheet conveyed by the first conveyance section towards a discharging port; a housing section which houses a slack part of the sheet generated between the first conveyance section and the second conveyance section due to a conveyance speed difference between the first conveyance section and the second conveyance section; and a controller which changes at least one of the first conveyance section and the second conveyance section in a case in which the cutter cuts the sheet through the full cutting or the partial cutting.

Abstract: A printer comprises a first conveyance section which conveys a sheet; a cutter which cuts the sheet through either full cutting for cutting the whole sheet in a width direction or partial cutting for cutting a part of the sheet in the width direction with remaining part uncut; a second conveyance section which further conveys the sheet conveyed by the first conveyance section towards a discharging port; a housing section which houses a slack part of the sheet generated between the first conveyance section and the second conveyance section due to a conveyance speed difference between the first conveyance section and the second conveyance section; and a controller which changes at least one of the first conveyance section and the second conveyance section in a case in which the cutter cuts the sheet through the full cutting or the partial cutting.

Abstract: A thermionic power generator includes an emitter generating thermions and a collector collecting the thermions. The emitter includes an emitter substrate having an electric conductivity, a low resistance layer stacked to the emitter substrate and made of an n-type diamond semiconductor that includes phosphorus as a donor, and an electron emission layer stacked to the low resistance layer and made of an n-type diamond semiconductor that includes nitrogen as a donor. The collector includes a collector substrate having an electric conductivity and is disposed opposite to the emitter via a clearance. The electron emission layer has a thickness equal to or less than 40 nm.

Abstract: In a method of manufacturing an electrode of a thermionic converter, a carbide layer is formed on a base material by a vapor synthesis, an N-type diamond layer doped with a donor impurity is formed on the carbide layer by a vapor synthesis, and a surface of the N-type diamond layer is terminated with hydrogen. The base material is made of a metal, and the carbide layer is made of a metal carbide.

Abstract: A heat transfer device that includes a thermionic power generator, a wiring, a load circuit, and a switch circuit. The thermionic power generator includes an emitter electrode and a collector electrode facing each other with an inter-electrode gap distance, and converts heat energy into electric energy by capturing, with the collector electrode, a thermoelectron that is emitted from the emitter electrode. The wiring electrically connects the emitter electrode and the collector electrode. The load circuit is connected to an electric current path of by wiring between the emitter electrode and the collector electrode. The switch circuit switches between an ON state and an OFF state.

Abstract: A thermionic generator for converting thermal energy to electric energy includes: an emitter electrode for emitting thermal electrons from a thermal electron emitting surface when heat is applied to the emitter electrode; a collector electrode facing the emitter electrode spaced apart from the emitter electrode by a predetermined distance, and receiving the thermal electrons from the emitter electrode via a facing surface of the collector electrode; and a substrate having one surface. The emitter electrode and the collector electrode are disposed on the one surface of the substrate, and are electrically insulated from each other. The thermal electron emitting surface and the facing surface are perpendicular to the one surface.

Abstract: A thermionic power generator includes an emitter generating thermions and a collector collecting the thermions. The emitter includes an emitter substrate having an electric conductivity, a low resistance layer stacked to the emitter substrate and made of an n-type diamond semiconductor that includes phosphorus as a donor, and an electron emission layer stacked to the low resistance layer and made of an n-type diamond semiconductor that includes nitrogen as a donor. The collector includes a collector substrate having an electric conductivity and is disposed opposite to the emitter via a clearance. The electron emission layer has a thickness equal to or less than 40 nm.

Abstract: A thermionic converter for converting thermal energy to electrical energy includes an emitter and a collector. The emitter emits thermionic electrons upon receipt of heat from a heat source. The emitter is made of a first semiconductor material to which a first semiconductor impurity is doped with a first concentration. The collector is spaced and opposite to the emitter to receive the thermionic electrons emitted from the emitter so that the thermal energy is converted to electrical energy. The collector is made of a second semiconductor material to which a second semiconductor impurity is doped with a second concentration less than the first concentration.

Abstract: In a method of manufacturing an electrode of a thermionic converter, a carbide layer is formed on a base material by a vapor synthesis, an N-type diamond layer doped with a donor impurity is formed on the carbide layer by a vapor synthesis, and a surface of the N-type diamond layer is terminated with hydrogen. The base material is made of a metal, and the carbide layer is made of a metal carbide.

Abstract: A silicon carbide (SiC) substrate is provided with an off-oriented {0001} surface whose off-axis direction is <11-20>. A trench is formed on the SiC to have a stripe structure extending toward a <11-20> direction. An SiC epitaxial layer is formed on an inside surface of the trench.