Abstract: A novel organic compound is provided. Alternatively, an organic compound that exhibits light emission with favorable chromaticity is provided. Alternatively, an organic compound that exhibits blue light emission with favorable chromaticity is provided. Alternatively, an organic compound with favorable emission efficiency is provided. Alternatively, an organic compound having a high carrier-transport property is provided. Alternatively, an organic compound with favorable reliability is provided. An organic compound including at least one amino group in which any one of a substituted or unsubstituted dibenzofuranyl group, a substituted or unsubstituted dibenzothiophenyl group, and a substituted or unsubstituted carbazolyl group is boneded to any one of a substituted or unsubstituted naphthobisbenzofuran skeleton, a substituted or unsubstituted naphthobisbenzothiophene skeleton, and a substituted or unsubstituted naphthobenzofuranobenzothiophene skeleton is provided.

Abstract: A novel organic compound is provided. An organic compound that emits light with high chromaticity is provided. An organic compound that emits blue light with high chromaticity is provided. An organic compound with high emission efficiency is provided. An organic compound having an excellent hole-transport property is provided. An organic compound having high reliability is provided. An organic compound that has a naphtho[2,3-b;7,6-b?]bisbenzofuran skeleton or a naphtho[2,3-b;7,6-b?]bisbenzothiophene skeleton and has a molecular weight of less than or equal to 5000 is provided. The present inventors have found that the organic compound is a significantly effective skeleton as a luminophor of a light-emitting element. The organic compound has high emission efficiency and exhibits favorable blue light emission; thus, a light-emitting element using the organic compound can be a blue light-emitting element with high emission efficiency.

Abstract: A novel organic compound with favorable thermophysical properties is provided. An organic compound represented by General Formula (G1) is provided. At least one of X1 to X5 is a secondary or tertiary alkyl group having 3 to 6 carbon atoms in which a carbon atom bonded to a phenyl group branches. Each of R1 to R7 is independently any of hydrogen, an alkyl group having 1 to 6 carbon atoms, a cycloalkyl group having 3 to 12 carbon atoms, and an unsubstituted or alkyl-substituted aryl group having 6 to 13 carbon atoms. Ar1 represents a substituted or unsubstituted condensed heteroaromatic ring skeleton having 8 to 60 carbon atoms and composed of two or more aromatic rings, and Ar2 represents a substituted or unsubstituted aryl group having 6 to 25 carbon atoms. Furthermore, n is any of 1 to 3.

Abstract: A novel organic compound that is highly convenient, useful, or reliable is to be provided. The organic compound is represented by General Formula (G0). In General Formula (G0), X and Y each independently represent an oxygen atom or a sulfur atom. Ar1 to Ar4 each independently represent an aromatic ring or a nitrogen-containing heteroaromatic ring, the aromatic ring contains 6 to 10 carbon atoms, and the nitrogen-containing heteroaromatic ring is composed only of one or more six-membered rings and contains 4 to 9 carbon atoms. R, R11, R21, R21, R22, R31, R32, R41, and R42 each independently represent hydrogen, a straight-chain alkyl group having 1 to 6 carbon atoms, a branched alkyl group having 3 to 7 carbon atoms, a substituted or unsubstituted aryl group having 6 to 13 carbon atoms, substituted or unsubstituted diarylamine having 6 to 13 carbon atoms, or substituted or unsubstituted heteroarylamine having 3 to 18 carbon atoms.

Abstract: A novel organic compound represented by General Formula (G1) is provided. In General Formula (G1), X1 and X2 each independently represent a secondary or tertiary alkyl group having 3 to 6 carbon atoms and having a branched carbon atom which is bonded to a phenyl group. In addition, Ar1 represents a substituted or unsubstituted condensed aromatic ring skeleton having 10 to 60 carbon atoms and composed of two or more rings or a substituted or unsubstituted condensed heteroaromatic ring skeleton having 8 to 60 carbon atoms and composed of two or more rings. Furthermore, Ar2 represents a substituted or unsubstituted aryl group having 6 to 25 carbon atoms. Moreover, n represents any of 1 to 3, and in the case where n is 2 or more, two or more groups bonded to Ar1 may be identical or different.

Abstract: An image processing apparatus includes circuitry that converts user voices that are input into a string of characters reflecting a statement made with the user voices, retrieves one or more items of information related to the string, stores the information being retrieved associated with identification information indicating a retrieval time when the information is retrieved, draws a graphical image including the information being stored on a projection target image to be projected by a projector, and controls the projector to project the projection target image including the graphical image, the graphical image having a size that is determined in accordance with the identification information associated with the information included in the graphical image being projected.

Abstract: An engine driven heat pump includes an outdoor fan and an engine cooling water pump, each of which is driven by the generation power of a generator, and after a lapse of a first predetermined time from a predetermined actuation time of an engine, the output power from the generator is output-controlled, and the power output control is started so as to obtain the generation power, and when it is determined that the generation voltage after the start of the power output control is equal to or higher than a predetermined voltage, the engine cooling water pump is driven, and after a lapse of a second predetermined time from a predetermined drive time of the engine cooling water pump, the outdoor fan is driven, and after a lapse of a third predetermined time from a predetermined drive time of the outdoor fan, the output control of the inverter is started.

Abstract: In cases where a control device determines that a load is continuously less than a predetermined value for a predetermined period, the control device executes a first control to maintain the engine speed at a first rotation speed or higher, and when the control device determines that the load reached the predetermined value within the predetermined time, the control device executes a second control to maintain the engine speed at a second rotation speed or higher, which is higher than the first rotation speed. This provides a control device for an engine and an engine, which can restrain activation of an oil pressure switch attributed to an oil temperature.

Abstract: An image processing apparatus includes circuitry that converts user voices that are input into a string of characters reflecting a statement made with the user voices, retrieves one or more items of information related to the string, stores the information being retrieved associated with identification information indicating a retrieval time when the information is retrieved, draws a graphical image including the information being stored on a projection target image to be projected by a projector, and controls the projector to project the projection target image including the graphical image, the graphical image having a size that is determined in accordance with the identification information associated with the information included in the graphical image being projected.

Abstract: An engine driven heat pump includes a compressor clutch to switch between an ON state where drive from an engine is transmitted to a compressor and an OFF state where transmission of the drive from the engine to the compressor is cut off, an engine actuation battery to actuate the engine, a battery charging circuit configured to charge the engine actuation battery, and an inverter configured to convert output power from a generator into a predetermined voltage and a predetermined frequency, and when the compressor clutch is placed into the ON state from the OFF state or placed into the OFF state from the ON state during a self-sustaining operation, engine revolutions, which are revolutions of the engine, are set to reference revolutions required for the generator to supply predetermined power.

Abstract: An engine driven heat pump is such that when a self-sustaining switch is turned on during power failure, and a self-sustaining signal is received, it switches to a self-sustaining mode and start an engine and a generator, and when output power from an inverter is received, it supplies the output power to a power supply circuit and a battery charging circuit by means of an independent power supply relay, and it supplies the output power to the outside via an independent output unit, and during the supply of the output power, it maintains cutoff with respect to connection between a system, and the power supply circuit and the battery charging circuit by means of a system cutoff relay and maintain the output of the output power until the self-sustaining signal is interrupted, and it recovers the connection when power is restored and the output power is interrupted.

Abstract: An engine driven heat pump includes a temperature switch that opens and closes in accordance with the peripheral temperature of an inverter and a control device that includes a signal reception unit, and a temperature open contact point that opens at a predetermined temperature or higher is provided in the temperature switch, and an abnormal-time open contact point that opens when abnormality occurs in a battery charging circuit is provided in the battery charging circuit, and a signal generation contact point that generates a state signal indicating a state of the inverter is provided in the inverter, and the temperature open contact of point the temperature switch, the abnormal-time open contact point of the battery charging circuit, and the signal generation contact point of the inverter are connected in series with respect to the signal reception unit of the control device.

Abstract: An engine driven heat pump includes a temperature switch that opens and closes in accordance with the peripheral temperature of an inverter and a control device that includes a signal reception unit, and a temperature open contact point that opens at a predetermined temperature or higher is provided in the temperature switch, and an abnormal-time open contact point that opens when abnormality occurs in a battery charging circuit is provided in the battery charging circuit, and a signal generation contact point that generates a state signal indicating a state of the inverter is provided in the inverter, and the temperature open contact of point the temperature switch, the abnormal-time open contact point of the battery charging circuit, and the signal generation contact point of the inverter are connected in series with respect to the signal reception unit of the control device.

Abstract: An engine driven heat pump includes an outdoor fan and an engine cooling water pump, each of which is driven by the generation power of a generator, and after a lapse of a first predetermined time from a predetermined actuation time of an engine, the output power from the generator is output-controlled, and the power output control is started so as to obtain the generation power, and when it is determined that the generation voltage after the start of the power output control is equal to or higher than a predetermined voltage, the engine cooling water pump is driven, and after a lapse of a second predetermined time from a predetermined drive time of the engine cooling water pump, the outdoor fan is driven, and after a lapse of a third predetermined time from a predetermined drive time of the outdoor fan, the output control of the inverter is started.

Abstract: An engine driven heat pump includes a compressor clutch to switch between an ON state where drive from an engine is transmitted to a compressor and an OFF state where transmission of the drive from the engine to the compressor is cut off, an engine actuation battery to actuate the engine, a battery charging circuit configured to charge the engine actuation battery, and an inverter configured to convert output power from a generator into a predetermined voltage and a predetermined frequency, and when the compressor clutch is placed into the ON state from the OFF state or placed into the OFF state from the ON state during a self-sustaining operation, engine revolutions, which are revolutions of the engine, are set to reference revolutions required for the generator to supply predetermined power.

Abstract: An engine driven heat pump is such that when a self-sustaining switch is turned on during power failure, and a self-sustaining signal is received, it switches to a self-sustaining mode and start an engine and a generator, and when output power from an inverter is received, it supplies the output power to a power supply circuit and a battery charging circuit by means of an independent power supply relay, and it supplies the output power to the outside via an independent output unit, and during the supply of the output power, it maintains cutoff with respect to connection between a system, and the power supply circuit and the battery charging circuit by means of a system cutoff relay and maintain the output of the output power until the self-sustaining signal is interrupted, and it recovers the connection when power is restored and the output power is interrupted.

Abstract: A creatine amidinohydrolase with the following physicochemical properties is prepared:(a) action: hydrolysis of 1 mole of creatine to form 1 mole of sarcosine and 1 mole of urea;(b) substrate specificity: specific for a creatine substrate;(c) optimum pH: 7-9;(d) optimum temperature: around 35.degree.-45.degree. C.;(e) pH stability: stable in the range of pH 5.0-10.5 at 25.degree. C. for 17 hours;(f) thermal stability: stable at a temperature up to about 45.degree. C. at pH 7.5 for 30 min.;(g) inhibitors: AgNO.sub.3, HgCl.sub.2, CuSO.sub.4, etc.; and(h) molecular weight: about 80,000.+-.5000 as determined by gel filtration.The creatine amidinohydrolase is stable in high pH range and possesses a small Km value, so that it can be purified in high pH range resulting in more easy and simple production than the conventional enzyme, and the lower Km value enables reduction in the period of time and in the amount of the enzyme for each measurement.

Abstract: A catadioptric lens system capable of an automatic focusing operation without the necessity of increasing the outer diameter of a lens barrel is provided. The catadioptric lens system comprises a focusing optical unit, a focusing optical unit holder capable of movement in a direction of an optical axis of the lens band for holding the focusing optical unit, and a driving means disposed between a mount and a reflecting mirror which is disposed to reflect light coming from an object toward an object side and connected directly or indirectly to the focusing optical unit holder for transmitting a driving force to the focusing optical unit holder at a reduced speed so as to move the focusing optical unit holder in the direction of the optical axis to effect focusing.