Abstract: An object information acquiring apparatus is used, including: an optical transmission system for transmitting light from a light source; a photoacoustic probe including an irradiating end for irradiating an object with light and a receiver for receiving acoustic waves generated from the object that has been irradiated with light; a processor for acquiring information on the object based on the acoustic waves; a light quantity meter for measuring the quantity of light emitted from the irradiating end; a memory for storing a measurement value; and a presentation unit. The processor compares the measurement value with a reference value of light quantity or a history of measurement value stored in the memory, and provides a result regarding whether or not the measurement value is within a reference range to the presentation unit.

Abstract: An object information acquiring apparatus is used, including: an optical transmission system for transmitting light from a light source; a photoacoustic probe including an irradiating end for irradiating an object with light and a receiver for receiving acoustic waves generated from the object that has been irradiated with light; a processor for acquiring information on the object based on the acoustic waves; a light quantity meter for measuring the quantity of light emitted from the irradiating end; a memory for storing a measurement value; and a presentation unit. The processor compares the measurement value with a reference value of light quantity or a history of measurement value stored in the memory, and provides a result regarding whether or not the measurement value is within a reference range to the presentation unit.

Abstract: A liquid discharge apparatus including a liquid discharge head having a substrate, plural pressure chambers two-dimensionally provided on one surface of the substrate, a discharge port, a pressure generating unit to discharge liquid through the discharge port and a flow path connected to the pressure chamber which are provided correspondingly to each pressure chamber, a common liquid chamber provided on the other surface of the substrate, and plural supply paths provided between adjacent pressure chambers and connected to the common liquid chamber; a moving unit to relatively move the liquid discharge head and a recording object; and a driving unit to drive the pressure generating unit. Flow paths respectively corresponding to the pressure chambers adjacent to the supply paths are connected to the supply paths. The driving unit outputs drive signals to the pressure generating units respectively corresponding to the pressure chambers connected to the supply paths at different timings.

Abstract: A liquid ejection head includes a plurality of piezoelectric transducers that are configured to generate energy for respectively ejecting liquid from a plurality of ejection ports and arranged in line so as to constitute a plurality of columns and a common electrode connected to the plurality of piezoelectric transducers. The common electrode is provided with a plurality of first connection areas to which the plurality of piezoelectric transducers are connected commonly in units of columns and a second connection area that connects the plurality of first connection areas to one another. This liquid ejection head further includes a reinforcing wiring laminated on the second connection area and a wiring substrate including a drive wiring that is connected to the reinforcing wiring at at least one connection point and electrically connected to the common electrode via the connection point.

Abstract: An ophthalmologic apparatus includes an aberration measuring unit configured to measure wavefront aberration of returning light, and a reflective optical modulation device configured to modulate the returning light. A control unit controls the reflective optical modulation device to correct the wavefront aberration of the returning light based on a measurement result of the aberration measuring unit. The reflective optical modulation device includes a reflection mirror of which the diameter of an effective region (effective diameter) that reflects the measurement light or the returning beam is 7.5 mm or less, and 61 or more actuators that act on the reflection mirror within the effective diameter. Each of the actuators includes an interdigital electrode having a maximum displacement of 7.5 ?m or more.

Abstract: Provided is an object information acquiring apparatus having: a light source; an optical transmission system that transmits light from the light source; a photoacoustic probe including an irradiating end that irradiates the light onto an object and a receiver that receives an acoustic wave generated from the object, onto which the light is irradiated; a processor that acquires information on the object interior on the basis of the acoustic wave; a display device that displays information on the object interior; a holder that stores the photoacoustic probe and covers the irradiating end; and a light quantity meter that measures quantity of irradiated light, wherein the irradiating end can irradiate light in a state being cover by the holder.

Abstract: A liquid discharge apparatus including a liquid discharge head having a substrate, plural pressure chambers two-dimensionally provided on one surface of the substrate, a discharge port, a pressure generating unit to discharge liquid through the discharge port and a flow path connected to the pressure chamber which are provided correspondingly to each pressure chamber, a common liquid chamber provided on the other surface of the substrate, and plural supply paths provided between adjacent pressure chambers and connected to the common liquid chamber; a moving unit to relatively move the liquid discharge head and a recording object; and a driving unit to drive the pressure generating unit. Flow paths respectively corresponding to the pressure chambers adjacent to the supply paths are connected to the supply paths. The driving unit outputs drive signals to the pressure generating units respectively corresponding to the pressure chambers connected to the supply paths at different timings.

Abstract: A liquid ejection head includes a plurality of piezoelectric transducers that are configured to generate energy for respectively ejecting liquid from a plurality of ejection ports and arranged in line so as to constitute a plurality of columns and a common electrode connected to the plurality of piezoelectric transducers. The common electrode is provided with a plurality of first connection areas to which the plurality of piezoelectric transducers are connected commonly in units of columns and a second connection area that connects the plurality of first connection areas to one another. This liquid ejection head further includes a reinforcing wiring laminated on the second connection area and a wiring substrate including a drive wiring that is connected to the reinforcing wiring at at least one connection point and electrically connected to the common electrode via the connection point.

Abstract: An object information acquiring apparatus is used, including: an optical transmission system for transmitting light from a light source; a photoacoustic probe including an irradiating end for irradiating an object with light and a receiver for receiving acoustic waves generated from the object that has been irradiated with light; a processor for acquiring information on the object based on the acoustic waves; a light quantity meter for measuring the quantity of light emitted from the irradiating end; a memory for storing a measurement value; and a presentation unit. The processor compares the measurement value with a reference value of light quantity or a history of measurement value stored in the memory, and provides a result regarding whether or not the measurement value is within a reference range to the presentation unit.

Abstract: An ophthalmologic apparatus includes an aberration measuring unit configured to measure wavefront aberration of returning light, and a reflective optical modulation device configured to modulate the returning light. A control unit controls the reflective optical modulation device to correct the wavefront aberration of the returning light based on a measurement result of the aberration measuring unit. The reflective optical modulation device includes a reflection mirror of which the diameter of an effective region (effective diameter) that reflects the measurement light or the returning beam is 7.5 mm or less, and 61 or more actuators that act on the reflection mirror within the effective diameter. Each of the actuators includes an interdigital electrode having a maximum displacement of 7.5 ?m or more.

Abstract: In an object information acquisition apparatus, an optical system and an acoustic wave detector are closely arranged, and when the acoustic wave detector and an object acoustically contact each other through an acoustic matching member, a light exit surface of the optical system is arranged so that the light exit surface does not directly contact the acoustic matching member.

Abstract: An organic light-emitting element includes a first electrode, a second electrode, and at least one organic compound layer disposed between the first electrode and the second electrode. The organic compound layer includes a light-emitting layer containing a light-emitting material and being configured to emit light toward the first electrode and the second electrode. The light emitted toward the first electrode is reflected from a reflection plane located at the first electrode to cause interference with the light emitted toward the second electrode. The interference provides an interference intensity distribution having a maximum peak at a wavelength ?1. The light-emitting material of the light-emitting layer exhibits a photoluminescence spectrum having a maximum peak at a wavelength ?2. The organic light-emitting element produces an electroluminescence spectrum having a maximum peak at a wavelength ?3. These wavelengths satisfy the relationships: ?2??3 and |?2??3|<|?2??1|.

Abstract: An organic light-emitting element includes a first electrode, a second electrode, and at least one organic compound layer disposed between the first electrode and the second electrode. The organic compound layer includes a light-emitting layer containing a light-emitting material and being configured to emit light toward the first electrode and the second electrode. The light emitted toward the first electrode is reflected from a reflection plane located at the first electrode to cause interference with the light emitted toward the second electrode. The interference provides an interference intensity distribution having a maximum peak at a wavelength ?1. The light-emitting material of the light-emitting layer exhibits a photoluminescence spectrum having a maximum peak at a wavelength ?2. The organic light-emitting element produces an electroluminescence spectrum having a maximum peak at a wavelength ?3. These wavelengths satisfy the relationships: ?2??3 and |?2??3|<|?2??1|.

Abstract: The present invention provides a printing apparatus, a printing system, and a printing method which can excellently print various images while taking the advantages of driving of a print head in a time divisional manner. Dispersive driving control or sequential driving control is selected in accordance with the attributes of an image to be printed to drive a plurality of print element groups in the print head in a time divisional manner under the selected dispersive or sequential driving control. The dispersive driving control drives the plurality of print element groups in a time divisional manner so as to sequentially drive the print element groups not located close to each other. The sequential driving control drives the plurality of print element groups in a time divisional manner so as to sequentially drive the print element groups located close to each other.

Abstract: An inkjet recording apparatus that records data on a recording medium based on recording data and using a plurality of line heads includes a thinning pattern generation unit (12) that generates one line of thinning pattern for determining whether or not each bit of the recording data is to be recorded; a shift processing unit (13) that shifts the thinning pattern a predetermined number of bits; and a thinning processing unit (14) that, for each line head, generates thinned-out recording data generated by thinning out the recording data by applying the thinning pattern, shifted by the predetermined number of bits, to the recording data, wherein each line head is driven by the thinned-out recording data generated by the thinning processing unit (14). The shift processing unit (13) shifts the thinning pattern, generated by the thinning pattern generation processing unit (12), the predetermined number of bits to prevent the same thinning pattern from being used for the adjacent lines in the feed direction.

Abstract: The present invention provides a printing apparatus, a printing system, and a printing method which can excellently print various images while taking the advantages of driving of a print head in a time divisional manner. Dispersive driving control or sequential driving control is selected in accordance with the attributes of an image to be printed to drive a plurality of print element groups in the print head in a time divisional manner under the selected dispersive or sequential driving control. The dispersive driving control drives the plurality of print element groups in a time divisional manner so as to sequentially drive the print element groups not located close to each other. The sequential driving control drives the plurality of print element groups in a time divisional manner so as to sequentially drive the print element groups located close to each other.

Abstract: An inkjet recording apparatus that records data on a recording medium based on recording data and using a plurality of line heads includes a thinning pattern generation unit (12) that generates one line of thinning pattern for determining whether or not each bit of the recording data is to be recorded; a shift processing unit (13) that shifts the thinning pattern a predetermined number of bits; and a thinning processing unit (14) that, for each line head, generates thinned-out recording data generated by thinning out the recording data by applying the thinning pattern, shifted by the predetermined number of bits, to the recording data, wherein each line head is driven by the thinned-out recording data generated by the thinning processing unit (14). The shift processing unit (13) shifts the thinning pattern, generated by the thinning pattern generation processing unit (12), the predetermined number of bits to prevent the same thinning pattern from being used for the adjacent lines in the feed direction.